======================================
| [    9.876589][  T212] softirqs last disabled at (49821): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.876592][  T212] Preemption disabled at:
| [    9.876593][  T212] 0x0
| [    9.876603][  T212] Tainted: [W]=WARN
[    9.876604][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.876605][  T212] Call Trace:
[    9.876607][  T212]  <TASK>
[    9.876609][  T212]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.876615][  T212]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.876620][  T212]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.876623][  T212]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.876628][  T212]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.876630][  T212]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.876637][  T212]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.876640][  T212]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.876643][  T212]  put_chars (drivers/char/virtio_console.c:1176)
[    9.876646][  T212]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.876647][  T212]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.876651][  T212]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.876656][  T212]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.876664][  T212]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.876666][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.876668][  T212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.876672][  T212]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.876676][  T212]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.876678][  T212]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.876681][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.876683][  T212]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.876687][  T212]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.876691][  T212]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.876693][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.876698][  T212]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.876701][  T212]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.876703][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.876705][  T212]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[    9.876709][  T212]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.876710][  T212]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.876713][  T212]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.876716][  T212]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.876719][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.876723][  T212]  _printk (kernel/printk/printk.c:2504)
[    9.876726][  T212]  ? snapshot_read.cold (user.c:?)
[    9.876729][  T212]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.876732][  T212]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.876736][  T212]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.876739][  T212]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.876742][  T212]  ? exit_notify (kernel/exit.c:780)
[    9.876744][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.876747][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.876750][  T212]  do_group_exit (kernel/exit.c:1151)
[    9.876757][  T212]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.876759][  T212]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.876762][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.876766][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.876769][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.876771][  T212] RIP: 0033:0x7fa0d2b541b8
[    9.876773][  T212] Code: Unable to access opcode bytes at 0x7fa0d2b5418e.

Code starting with the faulting instruction
===========================================
[    9.876774][  T212] RSP: 002b:00007ffc80b282b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.876776][  T212] RAX: ffffffffffffffda RBX: 00007fa0d2c84f88 RCX: 00007fa0d2b541b8
[    9.876778][  T212] RDX: 00007fa0d289efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.876779][  T212] RBP: 00007ffc80b28310 R08: 0000000000000000 R09: 0000000000008010
[    9.876779][  T212] R10: 00007ffc80b280d0 R11: 0000000000000246 R12: 0000000000000001
[    9.876780][  T212] R13: 0000000000000000 R14: 00007fa0d2c83680 R15: 00007fa0d2c84fa0
| [   11.830625][  T293] softirqs last disabled at (28423): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.830627][  T293] Preemption disabled at:
| [   11.830628][  T293] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.830636][  T293] Tainted: [W]=WARN
[   11.830637][  T293] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.830638][  T293] Call Trace:
[   11.830640][  T293]  <TASK>
[   11.830641][  T293]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.830647][  T293]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.830649][  T293]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.830653][  T293]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.830657][  T293]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.830661][  T293]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.830663][  T293]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.830669][  T293]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.830672][  T293]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.830676][  T293]  put_chars (drivers/char/virtio_console.c:1176)
[   11.830678][  T293]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.830679][  T293]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.830683][  T293]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.830686][  T293]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.830690][  T293]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.830694][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.830699][  T293]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.830702][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.830707][  T293]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.830711][  T293]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.830713][  T293]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.830716][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.830718][  T293]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.830721][  T293]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.830726][  T293]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.830727][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.830733][  T293]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.830735][  T293]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.830737][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.830739][  T293]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.830742][  T293]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.830744][  T293]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.830747][  T293]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.830750][  T293]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.830752][  T293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.830755][  T293]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.830758][  T293]  _printk (kernel/printk/printk.c:2504)
[   11.830761][  T293]  ? snapshot_read.cold (user.c:?)
[   11.830765][  T293]  ? br_multicast_flood (??:?)
[   11.830772][  T293]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.830774][  T293]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.830775][  T293]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.830779][  T293]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.830783][  T293]  br_init_port (net/bridge/br_stp_if.c:39)
[   11.830786][  T293]  new_nbp (net/bridge/br_if.c:449)
[   11.830789][  T293]  br_add_if (net/bridge/br_if.c:592)
[   11.830791][  T293]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   11.830799][  T293]  do_set_master (net/core/rtnetlink.c:3071)
[   11.830802][  T293]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.830806][  T293]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   11.830807][  T293]  ? __dev_get_by_name (net/core/dev.c:905)
[   11.830809][  T293]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   11.830818][  T293]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.830825][  T293]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.830830][  T293]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.830832][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.830838][  T293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.830842][  T293]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.830844][  T293]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.830847][  T293]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.830849][  T293]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.830853][  T293]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.830855][  T293]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.830859][  T293]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.830862][  T293]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.830865][  T293]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.830871][  T293]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.830873][  T293]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.830877][  T293]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.830881][  T293]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.830887][  T293]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.830891][  T293]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.830894][  T293]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.830896][  T293]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.830901][  T293]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.830905][  T293]  ____sys_sendmsg (net/socket.c:2713)
[   11.830907][  T293]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.830910][  T293]  ? sock_write_iter (net/socket.c:1269)
[   11.830911][  T293]  ? move_addr_to_kernel (net/socket.c:258)
[   11.830916][  T293]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   11.830918][  T293]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.830922][  T293]  ___sys_sendmsg (net/socket.c:2767)
[   11.830923][  T293]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   11.830926][  T293]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.830928][  T293]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   11.830943][  T293]  __sys_sendmsg (net/socket.c:2799)
[   11.830946][  T293]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.830951][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.830953][  T293]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.830956][  T293]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.830959][  T293]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.830962][  T293]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.830964][  T293] RIP: 0033:0x7fde5d2e354e
[   11.830968][  T293] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.830970][  T293] RSP: 002b:00007fffc6adcab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.830972][  T293] RAX: ffffffffffffffda RBX: 00007fffc6add278 RCX: 00007fde5d2e354e
[   11.830974][  T293] RDX: 0000000000000000 RSI: 00007fffc6adcb60 RDI: 0000000000000005
[   11.830975][  T293] RBP: 00007fffc6adcac0 R08: 0000000000000000 R09: 0000000000000000
[   11.830975][  T293] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912535
[   11.830976][  T293] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc6add230
| [   13.517876][  T342] softirqs last disabled at (25996): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   13.517878][  T342] Preemption disabled at:
| [   13.517879][  T342] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.517888][  T342] Tainted: [W]=WARN
[   13.517889][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.517891][  T342] Call Trace:
[   13.517892][  T342]  <TASK>
[   13.517894][  T342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.517900][  T342]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.517902][  T342]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.517906][  T342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.517910][  T342]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.517915][  T342]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.517916][  T342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.517923][  T342]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.517926][  T342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.517930][  T342]  put_chars (drivers/char/virtio_console.c:1176)
[   13.517932][  T342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.517933][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.517937][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.517939][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.517944][  T342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.517948][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.517953][  T342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.517956][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.517961][  T342]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.517965][  T342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.517967][  T342]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.517970][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.517971][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.517975][  T342]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.517980][  T342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.517981][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.517987][  T342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.517989][  T342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.517991][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.517993][  T342]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   13.517997][  T342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.517998][  T342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.518001][  T342]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.518004][  T342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.518006][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.518008][  T342]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.518012][  T342]  _printk (kernel/printk/printk.c:2504)
[   13.518015][  T342]  ? snapshot_read.cold (user.c:?)
[   13.518019][  T342]  ? br_multicast_flood (??:?)
[   13.518022][  T342]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   13.518023][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   13.518024][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.518028][  T342]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   13.518033][  T342]  br_init_port (net/bridge/br_stp_if.c:39)
[   13.518035][  T342]  new_nbp (net/bridge/br_if.c:449)
[   13.518039][  T342]  br_add_if (net/bridge/br_if.c:592)
[   13.518041][  T342]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   13.518048][  T342]  do_set_master (net/core/rtnetlink.c:3071)
[   13.518052][  T342]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   13.518055][  T342]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   13.518057][  T342]  ? __dev_get_by_name (net/core/dev.c:905)
[   13.518059][  T342]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   13.518068][  T342]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   13.518075][  T342]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.518080][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.518082][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.518088][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.518092][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.518094][  T342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.518097][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.518098][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.518103][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.518105][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.518109][  T342]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.518111][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.518114][  T342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.518121][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.518123][  T342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.518127][  T342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.518131][  T342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.518137][  T342]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.518141][  T342]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.518144][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.518146][  T342]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   13.518151][  T342]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   13.518155][  T342]  ____sys_sendmsg (net/socket.c:2713)
[   13.518157][  T342]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.518160][  T342]  ? sock_write_iter (net/socket.c:1269)
[   13.518161][  T342]  ? move_addr_to_kernel (net/socket.c:258)
[   13.518166][  T342]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   13.518168][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.518172][  T342]  ___sys_sendmsg (net/socket.c:2767)
[   13.518173][  T342]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   13.518176][  T342]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.518178][  T342]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   13.518193][  T342]  __sys_sendmsg (net/socket.c:2799)
[   13.518197][  T342]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.518203][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.518204][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.518207][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.518211][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.518214][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.518216][  T342] RIP: 0033:0x7f14fb68b54e
[   13.518220][  T342] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.518221][  T342] RSP: 002b:00007ffc2192d410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.518224][  T342] RAX: ffffffffffffffda RBX: 00007ffc2192dbd8 RCX: 00007f14fb68b54e
[   13.518225][  T342] RDX: 0000000000000000 RSI: 00007ffc2192d4c0 RDI: 0000000000000005
[   13.518226][  T342] RBP: 00007ffc2192d420 R08: 0000000000000000 R09: 0000000000000000
[   13.518227][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912536
[   13.518228][  T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2192db90
| [   14.556092][  T372] softirqs last disabled at (22586): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.556094][  T372] Preemption disabled at:
| [   14.556094][  T372] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.556102][  T372] Tainted: [W]=WARN
[   14.556103][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.556105][  T372] Call Trace:
[   14.556106][  T372]  <TASK>
[   14.556108][  T372]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.556114][  T372]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.556115][  T372]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.556120][  T372]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.556124][  T372]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.556128][  T372]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.556130][  T372]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.556136][  T372]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.556139][  T372]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.556143][  T372]  put_chars (drivers/char/virtio_console.c:1176)
[   14.556145][  T372]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.556146][  T372]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.556150][  T372]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.556152][  T372]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.556157][  T372]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.556161][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.556166][  T372]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.556169][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.556173][  T372]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.556177][  T372]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.556179][  T372]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.556182][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.556184][  T372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.556188][  T372]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.556192][  T372]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.556194][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.556201][  T372]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.556204][  T372]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.556206][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.556208][  T372]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.556212][  T372]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.556213][  T372]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.556216][  T372]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.556219][  T372]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.556221][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.556224][  T372]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.556227][  T372]  _printk (kernel/printk/printk.c:2504)
[   14.556231][  T372]  ? snapshot_read.cold (user.c:?)
[   14.556235][  T372]  ? br_multicast_flood (??:?)
[   14.556238][  T372]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   14.556239][  T372]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   14.556240][  T372]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.556244][  T372]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   14.556249][  T372]  br_init_port (net/bridge/br_stp_if.c:39)
[   14.556251][  T372]  new_nbp (net/bridge/br_if.c:449)
[   14.556255][  T372]  br_add_if (net/bridge/br_if.c:592)
[   14.556257][  T372]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   14.556264][  T372]  do_set_master (net/core/rtnetlink.c:3071)
[   14.556267][  T372]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   14.556271][  T372]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   14.556273][  T372]  ? __dev_get_by_name (net/core/dev.c:905)
[   14.556275][  T372]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   14.556284][  T372]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   14.556291][  T372]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.556296][  T372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.556298][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.556304][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.556308][  T372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.556310][  T372]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.556313][  T372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.556315][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.556319][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.556321][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.556325][  T372]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.556328][  T372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.556330][  T372]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.556337][  T372]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.556339][  T372]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.556343][  T372]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.556347][  T372]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.556353][  T372]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.556357][  T372]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.556361][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.556362][  T372]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.556368][  T372]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.556371][  T372]  ____sys_sendmsg (net/socket.c:2713)
[   14.556374][  T372]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.556376][  T372]  ? sock_write_iter (net/socket.c:1269)
[   14.556378][  T372]  ? move_addr_to_kernel (net/socket.c:258)
[   14.556382][  T372]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   14.556384][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.556388][  T372]  ___sys_sendmsg (net/socket.c:2767)
[   14.556390][  T372]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   14.556392][  T372]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.556395][  T372]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   14.556410][  T372]  __sys_sendmsg (net/socket.c:2799)
[   14.556413][  T372]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.556418][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.556420][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.556423][  T372]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.556426][  T372]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.556429][  T372]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.556431][  T372] RIP: 0033:0x7f3a3711954e
[   14.556435][  T372] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.556437][  T372] RSP: 002b:00007ffd618a2170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.556439][  T372] RAX: ffffffffffffffda RBX: 00007ffd618a2938 RCX: 00007f3a3711954e
[   14.556441][  T372] RDX: 0000000000000000 RSI: 00007ffd618a2220 RDI: 0000000000000005
[   14.556442][  T372] RBP: 00007ffd618a2180 R08: 0000000000000000 R09: 0000000000000000
[   14.556442][  T372] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912537
[   14.556443][  T372] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd618a28f0
| [   21.506612][   T71] softirqs last disabled at (21853): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.506614][   T71] Preemption disabled at:
| [   21.506615][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.506623][   T71] Tainted: [W]=WARN
[   21.506624][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.506625][   T71] Workqueue: netns cleanup_net
[   21.506629][   T71] Call Trace:
[   21.506630][   T71]  <TASK>
[   21.506632][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.506638][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.506639][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.506644][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.506647][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.506652][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.506654][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.506660][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.506663][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.506667][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   21.506669][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.506673][   T71]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   21.506677][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.506681][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.506687][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.506690][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.506695][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.506699][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.506701][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.506704][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.506706][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.506710][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.506714][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.506716][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.506722][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.506725][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.506726][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.506728][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   21.506732][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.506734][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.506736][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.506740][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.506741][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   21.506743][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   21.506744][   T71]  ? kthread (kernel/kthread.c:436)
[   21.506747][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   21.506749][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   21.506754][   T71]  _printk (kernel/printk/printk.c:2504)
[   21.506757][   T71]  ? snapshot_read.cold (user.c:?)
[   21.506762][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   21.506766][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   21.506769][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   21.506772][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   21.506777][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.506779][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   21.506781][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   21.506783][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.506785][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   21.506789][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   21.506793][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   21.506799][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   21.506803][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   21.506806][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   21.506810][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.506814][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   21.506815][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.506819][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   21.506823][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   21.506826][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.506830][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.506832][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.506836][   T71]  process_one_work (kernel/workqueue.c:3387)
[   21.506847][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   21.506850][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.506858][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   21.506862][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   21.506864][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   21.506867][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   21.506870][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   21.506872][   T71]  kthread (kernel/kthread.c:436)
[   21.506873][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.506877][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   21.506880][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.506882][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   21.506886][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.506889][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   21.506892][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   22.708216][  T521] softirqs last disabled at (31556): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   22.708219][  T521] Preemption disabled at:
| [   22.708219][  T521] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.708228][  T521] Tainted: [W]=WARN
[   22.708230][  T521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.708231][  T521] Call Trace:
[   22.708233][  T521]  <TASK>
[   22.708235][  T521]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.708241][  T521]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.708243][  T521]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.708247][  T521]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.708251][  T521]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.708256][  T521]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   22.708258][  T521]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.708265][  T521]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   22.708268][  T521]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.708272][  T521]  put_chars (drivers/char/virtio_console.c:1176)
[   22.708275][  T521]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.708281][  T521]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.708289][  T521]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.708292][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.708297][  T521]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.708301][  T521]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.708303][  T521]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   22.708306][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.708309][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.708313][  T521]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.708318][  T521]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.708320][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.708326][  T521]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.708329][  T521]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.708330][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.708332][  T521]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   22.708336][  T521]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.708338][  T521]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.708341][  T521]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.708344][  T521]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.708347][  T521]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   22.708353][  T521]  _printk (kernel/printk/printk.c:2504)
[   22.708356][  T521]  ? snapshot_read.cold (user.c:?)
[   22.708358][  T521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.708361][  T521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.708364][  T521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.708366][  T521]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.708370][  T521]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.708373][  T521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.708375][  T521]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.708378][  T521]  ? netdev_notice (net/core/dev.c:13194)
[   22.708381][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.708384][  T521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.708387][  T521]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.708391][  T521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.708393][  T521]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   22.708395][  T521]  ? register_netdev (net/core/dev.c:11618)
[   22.708397][  T521]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   22.708402][  T521]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   22.708405][  T521]  ? __kernel_text_address (kernel/extable.c:79)
[   22.708407][  T521]  ? write_profile (profile.c:?)
[   22.708412][  T521]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   22.708418][  T521]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   22.708421][  T521]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.708424][  T521]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.708425][  T521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.708427][  T521]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.708431][  T521]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.708433][  T521]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.708434][  T521]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.708437][  T521]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.708439][  T521]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.708440][  T521]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.708441][  T521]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.708444][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.708445][  T521]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   22.708449][  T521]  ? ___sys_sendmsg (net/socket.c:2758)
[   22.708452][  T521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.708454][  T521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.708457][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.708459][  T521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.708460][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.708462][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.708463][  T521]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.708465][  T521]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   22.708467][  T521]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.708469][  T521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.708472][  T521]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.708473][  T521]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.708478][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.708480][  T521]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.708485][  T521]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.708491][  T521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.708493][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.708497][  T521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.708499][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.708501][  T521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.708503][  T521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.708507][  T521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.708509][  T521]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.708513][  T521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.708514][  T521]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.708518][  T521]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.708520][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.708524][  T521]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.708527][  T521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.708530][  T521]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.708536][  T521]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   22.708539][  T521]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   22.708543][  T521]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.708547][  T521]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.708550][  T521]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.708555][  T521]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.708559][  T521]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.708563][  T521]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.708564][  T521]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   22.708570][  T521]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   22.708573][  T521]  ____sys_sendmsg (net/socket.c:2713)
[   22.708575][  T521]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.708578][  T521]  ? sock_write_iter (net/socket.c:1269)
[   22.708579][  T521]  ? move_addr_to_kernel (net/socket.c:258)
[   22.708587][  T521]  ___sys_sendmsg (net/socket.c:2767)
[   22.708589][  T521]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.708605][  T521]  __sys_sendmsg (net/socket.c:2799)
[   22.708608][  T521]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.708614][  T521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.708617][  T521]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.708620][  T521]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.708623][  T521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.708625][  T521] RIP: 0033:0x7fc34be0154e
[   22.708629][  T521] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   22.708631][  T521] RSP: 002b:00007fff016a7a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.708634][  T521] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc34be0154e
[   22.708635][  T521] RDX: 0000000000000000 RSI: 00007fff016a7af0 RDI: 0000000000000005
[   22.708636][  T521] RBP: 00007fff016a7a50 R08: 0000000000000000 R09: 0000000000000000
[   22.708637][  T521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912540
[   22.708638][  T521] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff016a81b0
| [   24.571763][  T597] softirqs last disabled at (17028): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   24.571765][  T597] Preemption disabled at:
| [   24.571766][  T597] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.571774][  T597] Tainted: [W]=WARN
[   24.571775][  T597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.571777][  T597] Call Trace:
[   24.571778][  T597]  <TASK>
[   24.571779][  T597]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.571786][  T597]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.571787][  T597]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.571792][  T597]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.571796][  T597]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.571800][  T597]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.571802][  T597]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.571808][  T597]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.571811][  T597]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.571815][  T597]  put_chars (drivers/char/virtio_console.c:1176)
[   24.571817][  T597]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.571819][  T597]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.571822][  T597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.571825][  T597]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.571830][  T597]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.571834][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.571839][  T597]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.571842][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.571847][  T597]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.571851][  T597]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.571853][  T597]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.571856][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.571858][  T597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.571866][  T597]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.571870][  T597]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.571872][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.571877][  T597]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.571880][  T597]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.571882][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.571884][  T597]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   24.571887][  T597]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.571889][  T597]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.571892][  T597]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.571895][  T597]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.571897][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.571900][  T597]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   24.571903][  T597]  _printk (kernel/printk/printk.c:2504)
[   24.571907][  T597]  ? snapshot_read.cold (user.c:?)
[   24.571910][  T597]  ? br_multicast_flood (??:?)
[   24.571913][  T597]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   24.571914][  T597]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   24.571916][  T597]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.571920][  T597]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   24.571924][  T597]  br_init_port (net/bridge/br_stp_if.c:39)
[   24.571927][  T597]  new_nbp (net/bridge/br_if.c:449)
[   24.571930][  T597]  br_add_if (net/bridge/br_if.c:592)
[   24.571932][  T597]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   24.571940][  T597]  do_set_master (net/core/rtnetlink.c:3071)
[   24.571943][  T597]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   24.571947][  T597]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   24.571949][  T597]  ? __dev_get_by_name (net/core/dev.c:905)
[   24.571951][  T597]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   24.571960][  T597]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   24.571966][  T597]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   24.571972][  T597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.571974][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.571980][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.571984][  T597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   24.571986][  T597]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.571989][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.571991][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.571995][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.571997][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.572001][  T597]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.572004][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.572006][  T597]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.572015][  T597]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.572017][  T597]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.572022][  T597]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.572025][  T597]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.572031][  T597]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.572035][  T597]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.572039][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.572040][  T597]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   24.572046][  T597]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   24.572050][  T597]  ____sys_sendmsg (net/socket.c:2713)
[   24.572052][  T597]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.572054][  T597]  ? sock_write_iter (net/socket.c:1269)
[   24.572056][  T597]  ? move_addr_to_kernel (net/socket.c:258)
[   24.572060][  T597]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   24.572063][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.572066][  T597]  ___sys_sendmsg (net/socket.c:2767)
[   24.572068][  T597]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   24.572071][  T597]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.572073][  T597]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   24.572088][  T597]  __sys_sendmsg (net/socket.c:2799)
[   24.572090][  T597]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.572096][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.572097][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.572100][  T597]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.572104][  T597]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.572107][  T597]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.572110][  T597] RIP: 0033:0x7f13a716d54e
[   24.572113][  T597] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.572115][  T597] RSP: 002b:00007ffc9f0e5200 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.572117][  T597] RAX: ffffffffffffffda RBX: 00007ffc9f0e59c8 RCX: 00007f13a716d54e
[   24.572119][  T597] RDX: 0000000000000000 RSI: 00007ffc9f0e52b0 RDI: 0000000000000005
[   24.572120][  T597] RBP: 00007ffc9f0e5210 R08: 0000000000000000 R09: 0000000000000000
[   24.572120][  T597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912541
[   24.572121][  T597] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9f0e5980
| [   25.705787][  T635] softirqs last disabled at (23778): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   25.705790][  T635] Preemption disabled at:
| [   25.705790][  T635] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.705799][  T635] Tainted: [W]=WARN
[   25.705800][  T635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.705802][  T635] Call Trace:
[   25.705803][  T635]  <TASK>
[   25.705805][  T635]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.705812][  T635]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.705814][  T635]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.705818][  T635]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.705822][  T635]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.705827][  T635]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.705829][  T635]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.705836][  T635]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.705839][  T635]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.705843][  T635]  put_chars (drivers/char/virtio_console.c:1176)
[   25.705845][  T635]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.705856][  T635]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.705866][  T635]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.705874][  T635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.705880][  T635]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.705885][  T635]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.705887][  T635]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   25.705891][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.705894][  T635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.705900][  T635]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.705908][  T635]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.705910][  T635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.705916][  T635]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.705919][  T635]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.705921][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.705923][  T635]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   25.705927][  T635]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.705929][  T635]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.705932][  T635]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.705935][  T635]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.705938][  T635]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   25.705944][  T635]  _printk (kernel/printk/printk.c:2504)
[   25.705949][  T635]  ? snapshot_read.cold (user.c:?)
[   25.705951][  T635]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.705954][  T635]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.705957][  T635]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.705959][  T635]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.705963][  T635]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.705967][  T635]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.705969][  T635]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.705972][  T635]  ? netdev_notice (net/core/dev.c:13194)
[   25.705976][  T635]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.705979][  T635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.705982][  T635]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.705985][  T635]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.705987][  T635]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   25.705989][  T635]  ? register_netdev (net/core/dev.c:11618)
[   25.705991][  T635]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   25.706000][  T635]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   25.706003][  T635]  ? __kernel_text_address (kernel/extable.c:79)
[   25.706005][  T635]  ? write_profile (profile.c:?)
[   25.706009][  T635]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   25.706015][  T635]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   25.706019][  T635]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.706021][  T635]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.706023][  T635]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.706025][  T635]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.706028][  T635]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.706030][  T635]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.706032][  T635]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.706035][  T635]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.706038][  T635]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.706040][  T635]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.706042][  T635]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.706045][  T635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.706047][  T635]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   25.706050][  T635]  ? ___sys_sendmsg (net/socket.c:2758)
[   25.706054][  T635]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.706056][  T635]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.706059][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.706061][  T635]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.706063][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.706064][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.706066][  T635]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.706068][  T635]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   25.706069][  T635]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.706071][  T635]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.706075][  T635]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.706076][  T635]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.706084][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.706087][  T635]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.706093][  T635]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.706099][  T635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.706101][  T635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.706106][  T635]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.706108][  T635]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.706110][  T635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.706112][  T635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.706116][  T635]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.706118][  T635]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.706121][  T635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.706123][  T635]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.706130][  T635]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.706133][  T635]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.706136][  T635]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.706140][  T635]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.706143][  T635]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.706149][  T635]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.706152][  T635]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.706156][  T635]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.706160][  T635]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.706163][  T635]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.706168][  T635]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.706172][  T635]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.706179][  T635]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.706181][  T635]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   25.706187][  T635]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.706190][  T635]  ____sys_sendmsg (net/socket.c:2713)
[   25.706192][  T635]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.706198][  T635]  ? sock_write_iter (net/socket.c:1269)
[   25.706200][  T635]  ? move_addr_to_kernel (net/socket.c:258)
[   25.706211][  T635]  ___sys_sendmsg (net/socket.c:2767)
[   25.706215][  T635]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.706239][  T635]  __sys_sendmsg (net/socket.c:2799)
[   25.706242][  T635]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.706250][  T635]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.706253][  T635]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.706256][  T635]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.706259][  T635]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.706263][  T635] RIP: 0033:0x7fa73b1f854e
[   25.706268][  T635] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.706270][  T635] RSP: 002b:00007ffe127ca110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.706272][  T635] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa73b1f854e
[   25.706274][  T635] RDX: 0000000000000000 RSI: 00007ffe127ca1c0 RDI: 0000000000000005
[   25.706275][  T635] RBP: 00007ffe127ca120 R08: 0000000000000000 R09: 0000000000000000
[   25.706276][  T635] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912543
[   25.706277][  T635] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe127ca880
| [   27.572514][  T701] softirqs last disabled at (24706): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   27.572515][  T701] Preemption disabled at:
| [   27.572516][  T701] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.572524][  T701] Tainted: [W]=WARN
[   27.572525][  T701] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.572527][  T701] Call Trace:
[   27.572528][  T701]  <TASK>
[   27.572530][  T701]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.572536][  T701]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.572537][  T701]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.572542][  T701]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.572546][  T701]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.572550][  T701]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.572552][  T701]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.572558][  T701]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.572561][  T701]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.572565][  T701]  put_chars (drivers/char/virtio_console.c:1176)
[   27.572567][  T701]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.572568][  T701]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.572572][  T701]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.572574][  T701]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.572579][  T701]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.572583][  T701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.572588][  T701]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.572591][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.572596][  T701]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.572600][  T701]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.572602][  T701]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.572605][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.572607][  T701]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.572611][  T701]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.572615][  T701]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.572617][  T701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.572622][  T701]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.572625][  T701]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.572627][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.572628][  T701]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.572632][  T701]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.572634][  T701]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.572636][  T701]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.572639][  T701]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.572641][  T701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.572644][  T701]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.572647][  T701]  _printk (kernel/printk/printk.c:2504)
[   27.572651][  T701]  ? snapshot_read.cold (user.c:?)
[   27.572654][  T701]  ? br_multicast_flood (??:?)
[   27.572657][  T701]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   27.572659][  T701]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   27.572660][  T701]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.572664][  T701]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   27.572668][  T701]  br_init_port (net/bridge/br_stp_if.c:39)
[   27.572671][  T701]  new_nbp (net/bridge/br_if.c:449)
[   27.572674][  T701]  br_add_if (net/bridge/br_if.c:592)
[   27.572676][  T701]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   27.572684][  T701]  do_set_master (net/core/rtnetlink.c:3071)
[   27.572687][  T701]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   27.572691][  T701]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   27.572693][  T701]  ? __dev_get_by_name (net/core/dev.c:905)
[   27.572695][  T701]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   27.572704][  T701]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   27.572711][  T701]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.572716][  T701]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.572718][  T701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.572725][  T701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.572728][  T701]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.572730][  T701]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.572734][  T701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.572735][  T701]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.572739][  T701]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.572741][  T701]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.572745][  T701]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.572748][  T701]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.572751][  T701]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.572757][  T701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.572759][  T701]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.572764][  T701]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.572768][  T701]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.572774][  T701]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.572778][  T701]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.572781][  T701]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.572783][  T701]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   27.572788][  T701]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.572792][  T701]  ____sys_sendmsg (net/socket.c:2713)
[   27.572795][  T701]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.572797][  T701]  ? sock_write_iter (net/socket.c:1269)
[   27.572798][  T701]  ? move_addr_to_kernel (net/socket.c:258)
[   27.572803][  T701]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   27.572805][  T701]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.572809][  T701]  ___sys_sendmsg (net/socket.c:2767)
[   27.572811][  T701]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   27.572814][  T701]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.572816][  T701]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   27.572831][  T701]  __sys_sendmsg (net/socket.c:2799)
[   27.572834][  T701]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.572840][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.572841][  T701]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.572844][  T701]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.572848][  T701]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.572851][  T701]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.572853][  T701] RIP: 0033:0x7f6c22db054e
[   27.572857][  T701] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.572858][  T701] RSP: 002b:00007ffca4acf9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.572861][  T701] RAX: ffffffffffffffda RBX: 00007ffca4ad0178 RCX: 00007f6c22db054e
[   27.572862][  T701] RDX: 0000000000000000 RSI: 00007ffca4acfa60 RDI: 0000000000000005
[   27.572863][  T701] RBP: 00007ffca4acf9c0 R08: 0000000000000000 R09: 0000000000000000
[   27.572864][  T701] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912544
[   27.572865][  T701] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca4ad0130
| [   34.546654][   T71] softirqs last disabled at (294590): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   34.546657][   T71] Preemption disabled at:
| [   34.546657][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.546666][   T71] Tainted: [W]=WARN
[   34.546667][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.546669][   T71] Workqueue: netns cleanup_net
[   34.546672][   T71] Call Trace:
[   34.546674][   T71]  <TASK>
[   34.546676][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.546682][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.546684][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.546688][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.546692][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.546696][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   34.546698][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.546705][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   34.546708][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.546711][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   34.546714][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.546715][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.546719][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.546722][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.546727][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.546731][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.546736][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.546739][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.546744][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.546748][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.546750][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   34.546753][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.546755][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.546759][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.546763][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.546765][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.546770][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.546773][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.546775][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.546777][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   34.546781][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.546782][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.546785][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.546788][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.546790][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   34.546792][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.546794][   T71]  ? kthread (kernel/kthread.c:436)
[   34.546796][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   34.546799][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   34.546803][   T71]  _printk (kernel/printk/printk.c:2504)
[   34.546807][   T71]  ? snapshot_read.cold (user.c:?)
[   34.546812][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.546816][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.546820][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.546823][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   34.546827][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.546829][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   34.546831][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   34.546833][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   34.546836][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   34.546840][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   34.546844][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   34.546850][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   34.546854][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   34.546857][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   34.546861][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   34.546865][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   34.546866][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.546869][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   34.546874][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   34.546877][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   34.546881][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.546883][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.546886][   T71]  process_one_work (kernel/workqueue.c:3387)
[   34.546893][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   34.546896][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.546903][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.546908][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.546910][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   34.546912][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.546915][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.546917][   T71]  kthread (kernel/kthread.c:436)
[   34.546919][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.546922][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.546925][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.546928][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   34.546932][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.546940][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.546943][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.692021][  T850] softirqs last disabled at (14942): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   35.692024][  T850] Preemption disabled at:
| [   35.692024][  T850] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.692032][  T850] Tainted: [W]=WARN
[   35.692033][  T850] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.692035][  T850] Call Trace:
[   35.692036][  T850]  <TASK>
[   35.692038][  T850]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.692044][  T850]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.692045][  T850]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.692050][  T850]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.692054][  T850]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.692059][  T850]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   35.692060][  T850]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.692067][  T850]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.692070][  T850]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.692074][  T850]  put_chars (drivers/char/virtio_console.c:1176)
[   35.692076][  T850]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.692082][  T850]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.692090][  T850]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.692093][  T850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.692097][  T850]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.692102][  T850]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.692103][  T850]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   35.692107][  T850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.692109][  T850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.692113][  T850]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.692117][  T850]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.692119][  T850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.692125][  T850]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.692127][  T850]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.692129][  T850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.692131][  T850]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   35.692135][  T850]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.692136][  T850]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.692139][  T850]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.692142][  T850]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.692145][  T850]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   35.692150][  T850]  _printk (kernel/printk/printk.c:2504)
[   35.692154][  T850]  ? snapshot_read.cold (user.c:?)
[   35.692155][  T850]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.692158][  T850]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.692161][  T850]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.692163][  T850]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.692167][  T850]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.692170][  T850]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.692172][  T850]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.692175][  T850]  ? netdev_notice (net/core/dev.c:13194)
[   35.692177][  T850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.692180][  T850]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.692183][  T850]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.692186][  T850]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.692188][  T850]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   35.692190][  T850]  ? register_netdev (net/core/dev.c:11618)
[   35.692192][  T850]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   35.692200][  T850]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   35.692203][  T850]  ? __kernel_text_address (kernel/extable.c:79)
[   35.692205][  T850]  ? write_profile (profile.c:?)
[   35.692209][  T850]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   35.692215][  T850]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   35.692218][  T850]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.692220][  T850]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.692222][  T850]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.692223][  T850]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.692227][  T850]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.692229][  T850]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.692230][  T850]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.692233][  T850]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.692235][  T850]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.692236][  T850]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.692237][  T850]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   35.692239][  T850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.692241][  T850]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   35.692244][  T850]  ? ___sys_sendmsg (net/socket.c:2758)
[   35.692248][  T850]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.692250][  T850]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.692253][  T850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.692254][  T850]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.692256][  T850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.692257][  T850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.692259][  T850]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.692261][  T850]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   35.692262][  T850]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.692264][  T850]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.692267][  T850]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.692269][  T850]  ? nla_get_range_signed (lib/nlattr.c:270)
[   35.692273][  T850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.692275][  T850]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.692281][  T850]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.692286][  T850]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.692288][  T850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.692292][  T850]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.692294][  T850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.692296][  T850]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.692297][  T850]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.692301][  T850]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.692303][  T850]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.692306][  T850]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.692307][  T850]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.692312][  T850]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.692314][  T850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.692317][  T850]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.692320][  T850]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.692323][  T850]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.692329][  T850]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.692331][  T850]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.692336][  T850]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.692339][  T850]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.692342][  T850]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.692346][  T850]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.692350][  T850]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.692354][  T850]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.692355][  T850]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   35.692361][  T850]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   35.692363][  T850]  ____sys_sendmsg (net/socket.c:2713)
[   35.692366][  T850]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.692368][  T850]  ? sock_write_iter (net/socket.c:1269)
[   35.692370][  T850]  ? move_addr_to_kernel (net/socket.c:258)
[   35.692377][  T850]  ___sys_sendmsg (net/socket.c:2767)
[   35.692379][  T850]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.692395][  T850]  __sys_sendmsg (net/socket.c:2799)
[   35.692398][  T850]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.692404][  T850]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.692407][  T850]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.692410][  T850]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.692413][  T850]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.692415][  T850] RIP: 0033:0x7f2e2596054e
[   35.692418][  T850] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.692420][  T850] RSP: 002b:00007fff8d8568e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.692423][  T850] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2e2596054e
[   35.692424][  T850] RDX: 0000000000000000 RSI: 00007fff8d856990 RDI: 0000000000000005
[   35.692425][  T850] RBP: 00007fff8d8568f0 R08: 0000000000000000 R09: 0000000000000000
[   35.692426][  T850] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91254d
[   35.692427][  T850] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8d857050
| [   37.519791][  T924] softirqs last disabled at (29060): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   37.519793][  T924] Preemption disabled at:
| [   37.519794][  T924] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.519802][  T924] Tainted: [W]=WARN
[   37.519803][  T924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.519805][  T924] Call Trace:
[   37.519806][  T924]  <TASK>
[   37.519807][  T924]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.519814][  T924]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.519815][  T924]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.519820][  T924]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.519824][  T924]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.519828][  T924]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   37.519830][  T924]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.519836][  T924]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   37.519839][  T924]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.519843][  T924]  put_chars (drivers/char/virtio_console.c:1176)
[   37.519845][  T924]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.519846][  T924]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.519850][  T924]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.519853][  T924]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.519858][  T924]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.519861][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.519867][  T924]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.519870][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.519874][  T924]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.519878][  T924]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.519880][  T924]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   37.519883][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.519885][  T924]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.519889][  T924]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.519893][  T924]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.519895][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.519900][  T924]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.519903][  T924]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.519905][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.519906][  T924]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   37.519910][  T924]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.519912][  T924]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.519914][  T924]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.519917][  T924]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.519919][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.519922][  T924]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.519925][  T924]  _printk (kernel/printk/printk.c:2504)
[   37.519929][  T924]  ? snapshot_read.cold (user.c:?)
[   37.519933][  T924]  ? br_multicast_flood (??:?)
[   37.519936][  T924]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   37.519937][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   37.519938][  T924]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.519943][  T924]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   37.519947][  T924]  br_init_port (net/bridge/br_stp_if.c:39)
[   37.519950][  T924]  new_nbp (net/bridge/br_if.c:449)
[   37.519953][  T924]  br_add_if (net/bridge/br_if.c:592)
[   37.519960][  T924]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   37.519967][  T924]  do_set_master (net/core/rtnetlink.c:3071)
[   37.519971][  T924]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   37.519974][  T924]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   37.519976][  T924]  ? __dev_get_by_name (net/core/dev.c:905)
[   37.519978][  T924]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   37.519987][  T924]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   37.519994][  T924]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.519999][  T924]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.520001][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.520007][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.520011][  T924]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.520013][  T924]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.520016][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.520018][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.520022][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.520024][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.520028][  T924]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.520031][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.520034][  T924]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.520040][  T924]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   37.520042][  T924]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   37.520046][  T924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.520050][  T924]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.520056][  T924]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.520060][  T924]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.520063][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.520065][  T924]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   37.520071][  T924]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   37.520074][  T924]  ____sys_sendmsg (net/socket.c:2713)
[   37.520077][  T924]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.520079][  T924]  ? sock_write_iter (net/socket.c:1269)
[   37.520081][  T924]  ? move_addr_to_kernel (net/socket.c:258)
[   37.520085][  T924]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   37.520088][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.520091][  T924]  ___sys_sendmsg (net/socket.c:2767)
[   37.520093][  T924]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   37.520096][  T924]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.520098][  T924]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   37.520113][  T924]  __sys_sendmsg (net/socket.c:2799)
[   37.520116][  T924]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.520121][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.520123][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.520126][  T924]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.520130][  T924]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.520133][  T924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.520135][  T924] RIP: 0033:0x7f4b9d15a54e
[   37.520138][  T924] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   37.520140][  T924] RSP: 002b:00007fffb7b5ef30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.520143][  T924] RAX: ffffffffffffffda RBX: 00007fffb7b5f6f8 RCX: 00007f4b9d15a54e
[   37.520144][  T924] RDX: 0000000000000000 RSI: 00007fffb7b5efe0 RDI: 0000000000000005
[   37.520145][  T924] RBP: 00007fffb7b5ef40 R08: 0000000000000000 R09: 0000000000000000
[   37.520146][  T924] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91254e
[   37.520146][  T924] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb7b5f6b0
| [   38.651168][  T961] softirqs last disabled at (31434): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   38.651171][  T961] Preemption disabled at:
| [   38.651171][  T961] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.651180][  T961] Tainted: [W]=WARN
[   38.651181][  T961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.651182][  T961] Call Trace:
[   38.651184][  T961]  <TASK>
[   38.651185][  T961]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.651191][  T961]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.651193][  T961]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.651200][  T961]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.651205][  T961]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.651209][  T961]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.651211][  T961]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.651218][  T961]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.651221][  T961]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.651225][  T961]  put_chars (drivers/char/virtio_console.c:1176)
[   38.651228][  T961]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.651235][  T961]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.651243][  T961]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.651247][  T961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.651252][  T961]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.651256][  T961]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.651258][  T961]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   38.651261][  T961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.651264][  T961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.651268][  T961]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.651272][  T961]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.651274][  T961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.651280][  T961]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.651283][  T961]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.651285][  T961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.651287][  T961]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   38.651291][  T961]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.651293][  T961]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.651296][  T961]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.651299][  T961]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.651302][  T961]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   38.651307][  T961]  _printk (kernel/printk/printk.c:2504)
[   38.651311][  T961]  ? snapshot_read.cold (user.c:?)
[   38.651313][  T961]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.651315][  T961]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.651318][  T961]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.651320][  T961]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   38.651324][  T961]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   38.651327][  T961]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.651329][  T961]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   38.651333][  T961]  ? netdev_notice (net/core/dev.c:13194)
[   38.651335][  T961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.651339][  T961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.651341][  T961]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.651345][  T961]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.651347][  T961]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   38.651349][  T961]  ? register_netdev (net/core/dev.c:11618)
[   38.651351][  T961]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   38.651357][  T961]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   38.651359][  T961]  ? __kernel_text_address (kernel/extable.c:79)
[   38.651362][  T961]  ? write_profile (profile.c:?)
[   38.651366][  T961]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   38.651372][  T961]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   38.651376][  T961]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   38.651378][  T961]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   38.651379][  T961]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   38.651381][  T961]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   38.651385][  T961]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.651387][  T961]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.651388][  T961]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.651391][  T961]  ? kasan_save_stack (mm/kasan/common.c:58)
[   38.651393][  T961]  ? kasan_save_stack (mm/kasan/common.c:57)
[   38.651394][  T961]  ? kasan_save_track (mm/kasan/common.c:78)
[   38.651395][  T961]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   38.651398][  T961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.651400][  T961]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   38.651403][  T961]  ? ___sys_sendmsg (net/socket.c:2758)
[   38.651407][  T961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.651409][  T961]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.651412][  T961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.651413][  T961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.651415][  T961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.651416][  T961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.651418][  T961]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   38.651420][  T961]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   38.651421][  T961]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   38.651423][  T961]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   38.651426][  T961]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   38.651428][  T961]  ? nla_get_range_signed (lib/nlattr.c:270)
[   38.651433][  T961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.651435][  T961]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   38.651440][  T961]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.651446][  T961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.651448][  T961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.651452][  T961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.651454][  T961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.651456][  T961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.651458][  T961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.651462][  T961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.651464][  T961]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.651467][  T961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.651468][  T961]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.651473][  T961]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.651475][  T961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.651478][  T961]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.651481][  T961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.651484][  T961]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.651491][  T961]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   38.651493][  T961]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   38.651497][  T961]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.651502][  T961]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.651504][  T961]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.651509][  T961]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.651512][  T961]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.651516][  T961]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.651518][  T961]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   38.651523][  T961]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   38.651526][  T961]  ____sys_sendmsg (net/socket.c:2713)
[   38.651528][  T961]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.651531][  T961]  ? sock_write_iter (net/socket.c:1269)
[   38.651532][  T961]  ? move_addr_to_kernel (net/socket.c:258)
[   38.651540][  T961]  ___sys_sendmsg (net/socket.c:2767)
[   38.651542][  T961]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.651558][  T961]  __sys_sendmsg (net/socket.c:2799)
[   38.651561][  T961]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.651567][  T961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.651570][  T961]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.651573][  T961]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.651576][  T961]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.651578][  T961] RIP: 0033:0x7efdb700a54e
[   38.651582][  T961] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   38.651584][  T961] RSP: 002b:00007fffe31484e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.651586][  T961] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007efdb700a54e
[   38.651587][  T961] RDX: 0000000000000000 RSI: 00007fffe3148590 RDI: 0000000000000005
[   38.651588][  T961] RBP: 00007fffe31484f0 R08: 0000000000000000 R09: 0000000000000000
[   38.651589][  T961] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912550
[   38.651590][  T961] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe3148c50
| [   40.484732][ T1020] softirqs last disabled at (33664): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   40.484734][ T1020] Preemption disabled at:
| [   40.484735][ T1020] vprintk_emit (kernel/printk/printk.c:2471)
| [   40.484743][ T1020] Tainted: [W]=WARN
[   40.484744][ T1020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.484746][ T1020] Call Trace:
[   40.484747][ T1020]  <TASK>
[   40.484749][ T1020]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.484755][ T1020]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   40.484756][ T1020]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.484760][ T1020]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.484764][ T1020]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.484769][ T1020]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   40.484771][ T1020]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.484777][ T1020]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.484780][ T1020]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.484784][ T1020]  put_chars (drivers/char/virtio_console.c:1176)
[   40.484786][ T1020]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.484787][ T1020]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.484791][ T1020]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.484794][ T1020]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.484798][ T1020]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.484802][ T1020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.484808][ T1020]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.484811][ T1020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.484815][ T1020]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.484819][ T1020]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.484821][ T1020]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   40.484824][ T1020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.484826][ T1020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.484830][ T1020]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.484834][ T1020]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.484836][ T1020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.484841][ T1020]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.484844][ T1020]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.484846][ T1020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.484847][ T1020]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   40.484851][ T1020]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.484853][ T1020]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.484855][ T1020]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.484858][ T1020]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.484860][ T1020]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.484863][ T1020]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.484867][ T1020]  _printk (kernel/printk/printk.c:2504)
[   40.484870][ T1020]  ? snapshot_read.cold (user.c:?)
[   40.484874][ T1020]  ? br_multicast_flood (??:?)
[   40.484877][ T1020]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   40.484878][ T1020]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   40.484879][ T1020]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.484883][ T1020]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   40.484887][ T1020]  br_init_port (net/bridge/br_stp_if.c:39)
[   40.484890][ T1020]  new_nbp (net/bridge/br_if.c:449)
[   40.484894][ T1020]  br_add_if (net/bridge/br_if.c:592)
[   40.484896][ T1020]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   40.484904][ T1020]  do_set_master (net/core/rtnetlink.c:3071)
[   40.484907][ T1020]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   40.484911][ T1020]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   40.484912][ T1020]  ? __dev_get_by_name (net/core/dev.c:905)
[   40.484914][ T1020]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   40.484924][ T1020]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   40.484930][ T1020]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.484935][ T1020]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.484937][ T1020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.484944][ T1020]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.484948][ T1020]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.484950][ T1020]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.484953][ T1020]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.484954][ T1020]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.484958][ T1020]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.484960][ T1020]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.484964][ T1020]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.484967][ T1020]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.484970][ T1020]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.484976][ T1020]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.484983][ T1020]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.484987][ T1020]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.484991][ T1020]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.484997][ T1020]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.485001][ T1020]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.485005][ T1020]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.485006][ T1020]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   40.485012][ T1020]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   40.485016][ T1020]  ____sys_sendmsg (net/socket.c:2713)
[   40.485018][ T1020]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.485020][ T1020]  ? sock_write_iter (net/socket.c:1269)
[   40.485022][ T1020]  ? move_addr_to_kernel (net/socket.c:258)
[   40.485026][ T1020]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   40.485029][ T1020]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.485033][ T1020]  ___sys_sendmsg (net/socket.c:2767)
[   40.485034][ T1020]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   40.485037][ T1020]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.485039][ T1020]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   40.485054][ T1020]  __sys_sendmsg (net/socket.c:2799)
[   40.485057][ T1020]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.485062][ T1020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.485064][ T1020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.485067][ T1020]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.485071][ T1020]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.485074][ T1020]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.485076][ T1020] RIP: 0033:0x7f0b1b50454e
[   40.485080][ T1020] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.485081][ T1020] RSP: 002b:00007fffb52c8640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.485084][ T1020] RAX: ffffffffffffffda RBX: 00007fffb52c8e08 RCX: 00007f0b1b50454e
[   40.485085][ T1020] RDX: 0000000000000000 RSI: 00007fffb52c86f0 RDI: 0000000000000005
[   40.485086][ T1020] RBP: 00007fffb52c8650 R08: 0000000000000000 R09: 0000000000000000
[   40.485087][ T1020] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912551
[   40.485088][ T1020] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb52c8dc0
| [   47.412964][   T71] softirqs last disabled at (570224): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   47.412967][   T71] Preemption disabled at:
| [   47.412967][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   47.412976][   T71] Tainted: [W]=WARN
[   47.412977][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.412978][   T71] Workqueue: netns cleanup_net
[   47.412982][   T71] Call Trace:
[   47.412983][   T71]  <TASK>
[   47.412985][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   47.412991][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   47.412992][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   47.412997][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   47.413001][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   47.413005][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   47.413007][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.413014][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   47.413017][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   47.413021][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   47.413023][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   47.413024][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   47.413031][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.413034][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   47.413039][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   47.413043][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.413049][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   47.413052][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.413056][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   47.413061][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   47.413063][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   47.413066][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.413068][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.413072][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   47.413076][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   47.413078][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   47.413084][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   47.413087][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   47.413088][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.413090][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   47.413094][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   47.413096][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   47.413099][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   47.413102][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   47.413103][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   47.413105][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   47.413107][   T71]  ? kthread (kernel/kthread.c:436)
[   47.413109][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   47.413112][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   47.413117][   T71]  _printk (kernel/printk/printk.c:2504)
[   47.413120][   T71]  ? snapshot_read.cold (user.c:?)
[   47.413125][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   47.413128][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   47.413132][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   47.413135][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   47.413140][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.413142][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   47.413144][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   47.413146][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   47.413149][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   47.413153][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   47.413156][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   47.413163][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   47.413166][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   47.413170][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   47.413173][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   47.413177][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   47.413179][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   47.413182][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   47.413187][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   47.413190][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   47.413194][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   47.413199][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   47.413202][   T71]  process_one_work (kernel/workqueue.c:3387)
[   47.413209][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   47.413212][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   47.413220][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   47.413224][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   47.413226][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   47.413229][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   47.413232][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   47.413234][   T71]  kthread (kernel/kthread.c:436)
[   47.413236][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.413239][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   47.413242][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.413245][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   47.413248][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   47.413252][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   47.413255][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   48.536885][ T1168] softirqs last disabled at (23792): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   48.536888][ T1168] Preemption disabled at:
| [   48.536889][ T1168] vprintk_emit (kernel/printk/printk.c:2471)
| [   48.536897][ T1168] Tainted: [W]=WARN
[   48.536898][ T1168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.536900][ T1168] Call Trace:
[   48.536901][ T1168]  <TASK>
[   48.536903][ T1168]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.536908][ T1168]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   48.536910][ T1168]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.536914][ T1168]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.536919][ T1168]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.536923][ T1168]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.536925][ T1168]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.536931][ T1168]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.536934][ T1168]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.536938][ T1168]  put_chars (drivers/char/virtio_console.c:1176)
[   48.536940][ T1168]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.536946][ T1168]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.536954][ T1168]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.536957][ T1168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.536961][ T1168]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.536965][ T1168]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.536967][ T1168]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   48.536970][ T1168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.536973][ T1168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.536976][ T1168]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.536981][ T1168]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.536982][ T1168]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.536988][ T1168]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.536990][ T1168]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.536992][ T1168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.536994][ T1168]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   48.536997][ T1168]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.536999][ T1168]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.537002][ T1168]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.537005][ T1168]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.537007][ T1168]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   48.537012][ T1168]  _printk (kernel/printk/printk.c:2504)
[   48.537016][ T1168]  ? snapshot_read.cold (user.c:?)
[   48.537018][ T1168]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.537020][ T1168]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.537023][ T1168]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.537025][ T1168]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   48.537029][ T1168]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   48.537032][ T1168]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.537034][ T1168]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   48.537042][ T1168]  ? netdev_notice (net/core/dev.c:13194)
[   48.537044][ T1168]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.537047][ T1168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.537050][ T1168]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.537054][ T1168]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.537056][ T1168]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   48.537058][ T1168]  ? register_netdev (net/core/dev.c:11618)
[   48.537059][ T1168]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   48.537064][ T1168]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   48.537067][ T1168]  ? __kernel_text_address (kernel/extable.c:79)
[   48.537069][ T1168]  ? write_profile (profile.c:?)
[   48.537073][ T1168]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   48.537079][ T1168]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   48.537082][ T1168]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.537084][ T1168]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.537086][ T1168]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.537088][ T1168]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.537091][ T1168]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.537093][ T1168]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.537095][ T1168]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.537097][ T1168]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.537099][ T1168]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.537100][ T1168]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.537101][ T1168]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   48.537103][ T1168]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.537105][ T1168]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   48.537108][ T1168]  ? ___sys_sendmsg (net/socket.c:2758)
[   48.537112][ T1168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.537114][ T1168]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.537117][ T1168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.537119][ T1168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.537120][ T1168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.537121][ T1168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.537123][ T1168]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.537125][ T1168]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   48.537126][ T1168]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.537128][ T1168]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.537131][ T1168]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.537133][ T1168]  ? nla_get_range_signed (lib/nlattr.c:270)
[   48.537137][ T1168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.537139][ T1168]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.537145][ T1168]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.537150][ T1168]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.537152][ T1168]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.537156][ T1168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.537158][ T1168]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.537160][ T1168]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.537162][ T1168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.537165][ T1168]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.537167][ T1168]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.537170][ T1168]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.537172][ T1168]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.537176][ T1168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.537178][ T1168]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.537181][ T1168]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.537184][ T1168]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.537187][ T1168]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.537193][ T1168]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.537198][ T1168]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.537203][ T1168]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.537207][ T1168]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.537209][ T1168]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.537213][ T1168]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.537217][ T1168]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.537221][ T1168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.537223][ T1168]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   48.537228][ T1168]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   48.537231][ T1168]  ____sys_sendmsg (net/socket.c:2713)
[   48.537233][ T1168]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.537235][ T1168]  ? sock_write_iter (net/socket.c:1269)
[   48.537236][ T1168]  ? move_addr_to_kernel (net/socket.c:258)
[   48.537244][ T1168]  ___sys_sendmsg (net/socket.c:2767)
[   48.537246][ T1168]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.537262][ T1168]  __sys_sendmsg (net/socket.c:2799)
[   48.537265][ T1168]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.537271][ T1168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.537274][ T1168]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.537277][ T1168]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.537280][ T1168]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.537282][ T1168] RIP: 0033:0x7f1b156f654e
[   48.537286][ T1168] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.537287][ T1168] RSP: 002b:00007fffcae4a5e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.537290][ T1168] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1b156f654e
[   48.537292][ T1168] RDX: 0000000000000000 RSI: 00007fffcae4a690 RDI: 0000000000000005
[   48.537293][ T1168] RBP: 00007fffcae4a5f0 R08: 0000000000000000 R09: 0000000000000000
[   48.537294][ T1168] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912559
[   48.537294][ T1168] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcae4ad50
| [   50.339896][ T1243] softirqs last disabled at (29774): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   50.339898][ T1243] Preemption disabled at:
| [   50.339899][ T1243] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.339907][ T1243] Tainted: [W]=WARN
[   50.339908][ T1243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.339909][ T1243] Call Trace:
[   50.339911][ T1243]  <TASK>
[   50.339912][ T1243]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.339919][ T1243]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.339920][ T1243]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.339924][ T1243]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.339928][ T1243]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.339933][ T1243]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   50.339935][ T1243]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.339941][ T1243]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   50.339944][ T1243]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.339947][ T1243]  put_chars (drivers/char/virtio_console.c:1176)
[   50.339950][ T1243]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.339951][ T1243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.339954][ T1243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.339957][ T1243]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.339962][ T1243]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.339966][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.339971][ T1243]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.339974][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.339979][ T1243]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.339983][ T1243]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.339985][ T1243]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   50.339988][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.339990][ T1243]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.339994][ T1243]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.339998][ T1243]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.340000][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.340005][ T1243]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.340008][ T1243]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.340010][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.340011][ T1243]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   50.340015][ T1243]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.340017][ T1243]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.340019][ T1243]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.340022][ T1243]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.340024][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.340027][ T1243]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   50.340030][ T1243]  _printk (kernel/printk/printk.c:2504)
[   50.340034][ T1243]  ? snapshot_read.cold (user.c:?)
[   50.340037][ T1243]  ? br_multicast_flood (??:?)
[   50.340040][ T1243]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   50.340041][ T1243]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   50.340043][ T1243]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.340047][ T1243]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   50.340055][ T1243]  br_init_port (net/bridge/br_stp_if.c:39)
[   50.340058][ T1243]  new_nbp (net/bridge/br_if.c:449)
[   50.340061][ T1243]  br_add_if (net/bridge/br_if.c:592)
[   50.340064][ T1243]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   50.340071][ T1243]  do_set_master (net/core/rtnetlink.c:3071)
[   50.340074][ T1243]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   50.340078][ T1243]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   50.340079][ T1243]  ? __dev_get_by_name (net/core/dev.c:905)
[   50.340082][ T1243]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   50.340091][ T1243]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   50.340097][ T1243]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.340102][ T1243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.340104][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.340111][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.340114][ T1243]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.340116][ T1243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.340119][ T1243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.340121][ T1243]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.340125][ T1243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.340127][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.340131][ T1243]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.340134][ T1243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.340137][ T1243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.340143][ T1243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   50.340145][ T1243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   50.340149][ T1243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.340153][ T1243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.340159][ T1243]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.340163][ T1243]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.340166][ T1243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.340168][ T1243]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   50.340173][ T1243]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   50.340177][ T1243]  ____sys_sendmsg (net/socket.c:2713)
[   50.340179][ T1243]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.340182][ T1243]  ? sock_write_iter (net/socket.c:1269)
[   50.340183][ T1243]  ? move_addr_to_kernel (net/socket.c:258)
[   50.340188][ T1243]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   50.340190][ T1243]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   50.340194][ T1243]  ___sys_sendmsg (net/socket.c:2767)
[   50.340198][ T1243]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   50.340200][ T1243]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.340203][ T1243]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   50.340217][ T1243]  __sys_sendmsg (net/socket.c:2799)
[   50.340221][ T1243]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.340226][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.340228][ T1243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.340231][ T1243]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.340234][ T1243]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.340237][ T1243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.340239][ T1243] RIP: 0033:0x7fe5ad67f54e
[   50.340243][ T1243] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   50.340245][ T1243] RSP: 002b:00007ffc94b5ce30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.340248][ T1243] RAX: ffffffffffffffda RBX: 00007ffc94b5d5f8 RCX: 00007fe5ad67f54e
[   50.340249][ T1243] RDX: 0000000000000000 RSI: 00007ffc94b5cee0 RDI: 0000000000000005
[   50.340250][ T1243] RBP: 00007ffc94b5ce40 R08: 0000000000000000 R09: 0000000000000000
[   50.340251][ T1243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91255b
[   50.340251][ T1243] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc94b5d5b0
| [   51.453719][ T1282] softirqs last disabled at (18960): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   51.453722][ T1282] Preemption disabled at:
| [   51.453722][ T1282] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.453730][ T1282] Tainted: [W]=WARN
[   51.453731][ T1282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.453733][ T1282] Call Trace:
[   51.453735][ T1282]  <TASK>
[   51.453736][ T1282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.453742][ T1282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.453744][ T1282]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.453748][ T1282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.453752][ T1282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.453757][ T1282]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   51.453759][ T1282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.453765][ T1282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.453768][ T1282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.453772][ T1282]  put_chars (drivers/char/virtio_console.c:1176)
[   51.453775][ T1282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.453781][ T1282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.453788][ T1282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.453791][ T1282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.453796][ T1282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.453800][ T1282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.453802][ T1282]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   51.453805][ T1282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.453808][ T1282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.453811][ T1282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.453816][ T1282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.453817][ T1282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.453823][ T1282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.453825][ T1282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.453827][ T1282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.453829][ T1282]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   51.453833][ T1282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.453834][ T1282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.453837][ T1282]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.453840][ T1282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.453843][ T1282]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   51.453849][ T1282]  _printk (kernel/printk/printk.c:2504)
[   51.453852][ T1282]  ? snapshot_read.cold (user.c:?)
[   51.453854][ T1282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.453856][ T1282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.453859][ T1282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.453861][ T1282]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   51.453865][ T1282]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   51.453868][ T1282]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.453870][ T1282]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.453873][ T1282]  ? netdev_notice (net/core/dev.c:13194)
[   51.453875][ T1282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.453878][ T1282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.453881][ T1282]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.453884][ T1282]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.453886][ T1282]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   51.453888][ T1282]  ? register_netdev (net/core/dev.c:11618)
[   51.453890][ T1282]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   51.453895][ T1282]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   51.453898][ T1282]  ? __kernel_text_address (kernel/extable.c:79)
[   51.453900][ T1282]  ? write_profile (profile.c:?)
[   51.453904][ T1282]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.453910][ T1282]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.453913][ T1282]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.453915][ T1282]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.453917][ T1282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.453919][ T1282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.453922][ T1282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.453924][ T1282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.453926][ T1282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.453928][ T1282]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.453930][ T1282]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.453931][ T1282]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.453932][ T1282]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   51.453935][ T1282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.453936][ T1282]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   51.453940][ T1282]  ? ___sys_sendmsg (net/socket.c:2758)
[   51.453944][ T1282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.453946][ T1282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.453948][ T1282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.453950][ T1282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.453951][ T1282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.453953][ T1282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.453954][ T1282]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.453956][ T1282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   51.453958][ T1282]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.453960][ T1282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.453963][ T1282]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.453964][ T1282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.453969][ T1282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.453971][ T1282]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.453976][ T1282]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.453981][ T1282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.453983][ T1282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.453988][ T1282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.453990][ T1282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.453991][ T1282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.453993][ T1282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.453997][ T1282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.453999][ T1282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.454002][ T1282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.454003][ T1282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.454008][ T1282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.454010][ T1282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.454013][ T1282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.454016][ T1282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.454019][ T1282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.454025][ T1282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.454027][ T1282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.454031][ T1282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.454035][ T1282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.454038][ T1282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.454042][ T1282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.454046][ T1282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.454050][ T1282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.454051][ T1282]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   51.454062][ T1282]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   51.454065][ T1282]  ____sys_sendmsg (net/socket.c:2713)
[   51.454067][ T1282]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.454069][ T1282]  ? sock_write_iter (net/socket.c:1269)
[   51.454071][ T1282]  ? move_addr_to_kernel (net/socket.c:258)
[   51.454078][ T1282]  ___sys_sendmsg (net/socket.c:2767)
[   51.454081][ T1282]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.454097][ T1282]  __sys_sendmsg (net/socket.c:2799)
[   51.454099][ T1282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.454106][ T1282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.454109][ T1282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.454111][ T1282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.454114][ T1282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.454116][ T1282] RIP: 0033:0x7efda850c54e
[   51.454120][ T1282] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.454122][ T1282] RSP: 002b:00007ffe16e8cec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.454124][ T1282] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007efda850c54e
[   51.454126][ T1282] RDX: 0000000000000000 RSI: 00007ffe16e8cf70 RDI: 0000000000000005
[   51.454127][ T1282] RBP: 00007ffe16e8ced0 R08: 0000000000000000 R09: 0000000000000000
[   51.454128][ T1282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91255c
[   51.454128][ T1282] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe16e8d630
| [   53.232343][ T1339] softirqs last disabled at (20667): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   53.232345][ T1339] Preemption disabled at:
| [   53.232346][ T1339] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.232354][ T1339] Tainted: [W]=WARN
[   53.232355][ T1339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.232356][ T1339] Call Trace:
[   53.232358][ T1339]  <TASK>
[   53.232359][ T1339]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.232365][ T1339]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.232367][ T1339]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.232371][ T1339]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.232375][ T1339]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.232379][ T1339]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   53.232381][ T1339]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.232388][ T1339]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.232390][ T1339]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.232394][ T1339]  put_chars (drivers/char/virtio_console.c:1176)
[   53.232396][ T1339]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.232398][ T1339]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.232401][ T1339]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.232404][ T1339]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.232409][ T1339]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.232412][ T1339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.232417][ T1339]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.232420][ T1339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.232425][ T1339]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.232429][ T1339]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.232431][ T1339]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   53.232434][ T1339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.232436][ T1339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.232439][ T1339]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.232444][ T1339]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.232445][ T1339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.232451][ T1339]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.232453][ T1339]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.232455][ T1339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.232457][ T1339]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   53.232460][ T1339]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.232462][ T1339]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.232465][ T1339]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.232468][ T1339]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.232470][ T1339]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.232472][ T1339]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.232476][ T1339]  _printk (kernel/printk/printk.c:2504)
[   53.232479][ T1339]  ? snapshot_read.cold (user.c:?)
[   53.232483][ T1339]  ? br_multicast_flood (??:?)
[   53.232486][ T1339]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   53.232487][ T1339]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   53.232489][ T1339]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.232493][ T1339]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   53.232497][ T1339]  br_init_port (net/bridge/br_stp_if.c:39)
[   53.232500][ T1339]  new_nbp (net/bridge/br_if.c:449)
[   53.232503][ T1339]  br_add_if (net/bridge/br_if.c:592)
[   53.232505][ T1339]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   53.232513][ T1339]  do_set_master (net/core/rtnetlink.c:3071)
[   53.232516][ T1339]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   53.232520][ T1339]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   53.232522][ T1339]  ? __dev_get_by_name (net/core/dev.c:905)
[   53.232524][ T1339]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   53.232533][ T1339]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   53.232539][ T1339]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.232545][ T1339]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.232547][ T1339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.232553][ T1339]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.232557][ T1339]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.232559][ T1339]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.232562][ T1339]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.232564][ T1339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.232568][ T1339]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.232570][ T1339]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.232574][ T1339]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.232577][ T1339]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.232580][ T1339]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.232586][ T1339]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.232588][ T1339]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.232592][ T1339]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.232596][ T1339]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.232602][ T1339]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.232605][ T1339]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.232609][ T1339]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.232611][ T1339]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   53.232616][ T1339]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   53.232620][ T1339]  ____sys_sendmsg (net/socket.c:2713)
[   53.232622][ T1339]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.232625][ T1339]  ? sock_write_iter (net/socket.c:1269)
[   53.232626][ T1339]  ? move_addr_to_kernel (net/socket.c:258)
[   53.232630][ T1339]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   53.232633][ T1339]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.232636][ T1339]  ___sys_sendmsg (net/socket.c:2767)
[   53.232638][ T1339]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   53.232641][ T1339]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.232643][ T1339]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   53.232658][ T1339]  __sys_sendmsg (net/socket.c:2799)
[   53.232660][ T1339]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.232666][ T1339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.232668][ T1339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.232671][ T1339]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.232674][ T1339]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.232677][ T1339]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.232679][ T1339] RIP: 0033:0x7f7b1351754e
[   53.232683][ T1339] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.232684][ T1339] RSP: 002b:00007fff460bc970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.232687][ T1339] RAX: ffffffffffffffda RBX: 00007fff460bd138 RCX: 00007f7b1351754e
[   53.232688][ T1339] RDX: 0000000000000000 RSI: 00007fff460bca20 RDI: 0000000000000005
[   53.232689][ T1339] RBP: 00007fff460bc980 R08: 0000000000000000 R09: 0000000000000000
[   53.232690][ T1339] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91255e
[   53.232691][ T1339] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff460bd0f0
| [   60.203957][   T71] softirqs last disabled at (846410): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   60.203960][   T71] Preemption disabled at:
| [   60.203961][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   60.203969][   T71] Tainted: [W]=WARN
[   60.203970][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.203972][   T71] Workqueue: netns cleanup_net
[   60.203975][   T71] Call Trace:
[   60.203977][   T71]  <TASK>
[   60.203979][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.203984][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   60.203986][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.203991][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.203994][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   60.203999][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   60.204001][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.204008][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.204011][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.204014][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   60.204017][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.204018][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.204022][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.204025][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.204030][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.204033][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.204039][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.204042][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.204047][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.204051][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.204053][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   60.204056][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.204058][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.204062][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.204066][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.204068][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.204074][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.204077][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.204078][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.204080][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   60.204084][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.204086][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.204089][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.204092][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.204093][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   60.204095][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   60.204097][   T71]  ? kthread (kernel/kthread.c:436)
[   60.204099][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   60.204102][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   60.204107][   T71]  _printk (kernel/printk/printk.c:2504)
[   60.204111][   T71]  ? snapshot_read.cold (user.c:?)
[   60.204115][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   60.204119][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   60.204130][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   60.204133][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   60.204137][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.204139][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   60.204141][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   60.204143][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   60.204146][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   60.204150][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   60.204153][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   60.204160][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   60.204164][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   60.204167][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   60.204171][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   60.204174][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   60.204176][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.204179][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   60.204184][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   60.204187][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   60.204191][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.204193][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.204199][   T71]  process_one_work (kernel/workqueue.c:3387)
[   60.204206][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   60.204209][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.204216][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   60.204221][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   60.204223][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   60.204226][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   60.204228][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   60.204230][   T71]  kthread (kernel/kthread.c:436)
[   60.204232][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   60.204236][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   60.204238][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   60.204241][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   60.204245][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   60.204248][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   60.204251][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.343343][ T1487] softirqs last disabled at (18124): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   61.343346][ T1487] Preemption disabled at:
| [   61.343346][ T1487] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.343355][ T1487] Tainted: [W]=WARN
[   61.343356][ T1487] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.343358][ T1487] Call Trace:
[   61.343359][ T1487]  <TASK>
[   61.343361][ T1487]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.343367][ T1487]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.343368][ T1487]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.343372][ T1487]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.343377][ T1487]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   61.343381][ T1487]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   61.343383][ T1487]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.343390][ T1487]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   61.343392][ T1487]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.343396][ T1487]  put_chars (drivers/char/virtio_console.c:1176)
[   61.343399][ T1487]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.343405][ T1487]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.343412][ T1487]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.343416][ T1487]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.343420][ T1487]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.343424][ T1487]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.343426][ T1487]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   61.343429][ T1487]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.343431][ T1487]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.343435][ T1487]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.343440][ T1487]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.343442][ T1487]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.343447][ T1487]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.343450][ T1487]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.343452][ T1487]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.343453][ T1487]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   61.343457][ T1487]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.343459][ T1487]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.343461][ T1487]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.343464][ T1487]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.343467][ T1487]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   61.343472][ T1487]  _printk (kernel/printk/printk.c:2504)
[   61.343476][ T1487]  ? snapshot_read.cold (user.c:?)
[   61.343477][ T1487]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.343480][ T1487]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.343483][ T1487]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.343485][ T1487]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   61.343489][ T1487]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   61.343491][ T1487]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.343494][ T1487]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   61.343496][ T1487]  ? netdev_notice (net/core/dev.c:13194)
[   61.343499][ T1487]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.343502][ T1487]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.343505][ T1487]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.343508][ T1487]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.343510][ T1487]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   61.343512][ T1487]  ? register_netdev (net/core/dev.c:11618)
[   61.343514][ T1487]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   61.343519][ T1487]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   61.343521][ T1487]  ? __kernel_text_address (kernel/extable.c:79)
[   61.343524][ T1487]  ? write_profile (profile.c:?)
[   61.343528][ T1487]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   61.343534][ T1487]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   61.343537][ T1487]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.343539][ T1487]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.343540][ T1487]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.343542][ T1487]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.343545][ T1487]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.343547][ T1487]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.343549][ T1487]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.343551][ T1487]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.343553][ T1487]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.343554][ T1487]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.343556][ T1487]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   61.343558][ T1487]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.343560][ T1487]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   61.343563][ T1487]  ? ___sys_sendmsg (net/socket.c:2758)
[   61.343567][ T1487]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.343569][ T1487]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.343571][ T1487]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.343573][ T1487]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.343575][ T1487]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.343576][ T1487]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.343577][ T1487]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.343580][ T1487]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   61.343581][ T1487]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.343583][ T1487]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.343586][ T1487]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.343587][ T1487]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.343592][ T1487]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.343594][ T1487]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.343599][ T1487]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.343605][ T1487]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.343606][ T1487]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.343611][ T1487]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.343613][ T1487]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.343615][ T1487]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.343616][ T1487]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.343620][ T1487]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.343622][ T1487]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.343625][ T1487]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.343626][ T1487]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.343631][ T1487]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.343633][ T1487]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.343636][ T1487]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.343639][ T1487]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.343642][ T1487]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.343648][ T1487]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   61.343650][ T1487]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   61.343654][ T1487]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.343658][ T1487]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.343661][ T1487]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.343665][ T1487]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.343669][ T1487]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.343673][ T1487]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.343674][ T1487]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   61.343679][ T1487]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   61.343682][ T1487]  ____sys_sendmsg (net/socket.c:2713)
[   61.343684][ T1487]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.343687][ T1487]  ? sock_write_iter (net/socket.c:1269)
[   61.343688][ T1487]  ? move_addr_to_kernel (net/socket.c:258)
[   61.343695][ T1487]  ___sys_sendmsg (net/socket.c:2767)
[   61.343698][ T1487]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.343713][ T1487]  __sys_sendmsg (net/socket.c:2799)
[   61.343716][ T1487]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.343722][ T1487]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.343725][ T1487]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.343728][ T1487]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.343731][ T1487]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.343733][ T1487] RIP: 0033:0x7fe9ec4d554e
[   61.343737][ T1487] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   61.343739][ T1487] RSP: 002b:00007fff7e67c080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.343741][ T1487] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe9ec4d554e
[   61.343743][ T1487] RDX: 0000000000000000 RSI: 00007fff7e67c130 RDI: 0000000000000005
[   61.343744][ T1487] RBP: 00007fff7e67c090 R08: 0000000000000000 R09: 0000000000000000
[   61.343744][ T1487] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912566
[   61.343745][ T1487] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7e67c7f0
| [   63.172410][ T1561] softirqs last disabled at (31624): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   63.172412][ T1561] Preemption disabled at:
| [   63.172413][ T1561] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.172421][ T1561] Tainted: [W]=WARN
[   63.172422][ T1561] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.172424][ T1561] Call Trace:
[   63.172426][ T1561]  <TASK>
[   63.172427][ T1561]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.172433][ T1561]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.172435][ T1561]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.172439][ T1561]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.172443][ T1561]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   63.172448][ T1561]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   63.172450][ T1561]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.172456][ T1561]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.172459][ T1561]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.172462][ T1561]  put_chars (drivers/char/virtio_console.c:1176)
[   63.172465][ T1561]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.172466][ T1561]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.172469][ T1561]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.172472][ T1561]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.172477][ T1561]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.172481][ T1561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.172486][ T1561]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.172489][ T1561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.172493][ T1561]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.172497][ T1561]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.172499][ T1561]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   63.172502][ T1561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.172504][ T1561]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.172508][ T1561]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.172512][ T1561]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.172514][ T1561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.172519][ T1561]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.172522][ T1561]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.172524][ T1561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.172526][ T1561]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   63.172529][ T1561]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.172531][ T1561]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.172534][ T1561]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.172537][ T1561]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.172539][ T1561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.172541][ T1561]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   63.172545][ T1561]  _printk (kernel/printk/printk.c:2504)
[   63.172548][ T1561]  ? snapshot_read.cold (user.c:?)
[   63.172552][ T1561]  ? br_multicast_flood (??:?)
[   63.172555][ T1561]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   63.172556][ T1561]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   63.172557][ T1561]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.172562][ T1561]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   63.172566][ T1561]  br_init_port (net/bridge/br_stp_if.c:39)
[   63.172568][ T1561]  new_nbp (net/bridge/br_if.c:449)
[   63.172572][ T1561]  br_add_if (net/bridge/br_if.c:592)
[   63.172574][ T1561]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   63.172581][ T1561]  do_set_master (net/core/rtnetlink.c:3071)
[   63.172585][ T1561]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   63.172588][ T1561]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   63.172590][ T1561]  ? __dev_get_by_name (net/core/dev.c:905)
[   63.172592][ T1561]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   63.172601][ T1561]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   63.172608][ T1561]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.172613][ T1561]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.172615][ T1561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.172621][ T1561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.172625][ T1561]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.172627][ T1561]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.172630][ T1561]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.172632][ T1561]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.172636][ T1561]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.172638][ T1561]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.172642][ T1561]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.172645][ T1561]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.172648][ T1561]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.172654][ T1561]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.172656][ T1561]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.172660][ T1561]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.172664][ T1561]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.172670][ T1561]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.172674][ T1561]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.172678][ T1561]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.172679][ T1561]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   63.172685][ T1561]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   63.172688][ T1561]  ____sys_sendmsg (net/socket.c:2713)
[   63.172690][ T1561]  ? copy_msghdr_from_user (net/socket.c:2650)
[   63.172693][ T1561]  ? sock_write_iter (net/socket.c:1269)
[   63.172694][ T1561]  ? move_addr_to_kernel (net/socket.c:258)
[   63.172699][ T1561]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   63.172701][ T1561]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.172705][ T1561]  ___sys_sendmsg (net/socket.c:2767)
[   63.172707][ T1561]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   63.172709][ T1561]  ? copy_msghdr_from_user (net/socket.c:2619)
[   63.172711][ T1561]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   63.172726][ T1561]  __sys_sendmsg (net/socket.c:2799)
[   63.172729][ T1561]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   63.172735][ T1561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.172736][ T1561]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.172739][ T1561]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.172743][ T1561]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.172746][ T1561]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.172748][ T1561] RIP: 0033:0x7f57e750054e
[   63.172752][ T1561] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.172754][ T1561] RSP: 002b:00007fffc3bcc460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.172757][ T1561] RAX: ffffffffffffffda RBX: 00007fffc3bccc28 RCX: 00007f57e750054e
[   63.172758][ T1561] RDX: 0000000000000000 RSI: 00007fffc3bcc510 RDI: 0000000000000005
[   63.172759][ T1561] RBP: 00007fffc3bcc470 R08: 0000000000000000 R09: 0000000000000000
[   63.172760][ T1561] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912568
[   63.172761][ T1561] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc3bccbe0
| [   64.298681][ T1600] softirqs last disabled at (15630): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   64.298684][ T1600] Preemption disabled at:
| [   64.298684][ T1600] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.298693][ T1600] Tainted: [W]=WARN
[   64.298694][ T1600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.298696][ T1600] Call Trace:
[   64.298697][ T1600]  <TASK>
[   64.298699][ T1600]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.298705][ T1600]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.298707][ T1600]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.298711][ T1600]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.298715][ T1600]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   64.298719][ T1600]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   64.298721][ T1600]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.298728][ T1600]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.298731][ T1600]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.298735][ T1600]  put_chars (drivers/char/virtio_console.c:1176)
[   64.298737][ T1600]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.298743][ T1600]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.298751][ T1600]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.298754][ T1600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.298759][ T1600]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.298763][ T1600]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.298764][ T1600]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   64.298768][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.298770][ T1600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.298774][ T1600]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.298779][ T1600]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.298780][ T1600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.298786][ T1600]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.298789][ T1600]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.298790][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.298792][ T1600]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   64.298796][ T1600]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.298798][ T1600]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.298800][ T1600]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.298804][ T1600]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.298806][ T1600]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   64.298811][ T1600]  _printk (kernel/printk/printk.c:2504)
[   64.298815][ T1600]  ? snapshot_read.cold (user.c:?)
[   64.298817][ T1600]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   64.298820][ T1600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.298822][ T1600]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   64.298824][ T1600]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   64.298828][ T1600]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   64.298831][ T1600]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   64.298833][ T1600]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   64.298836][ T1600]  ? netdev_notice (net/core/dev.c:13194)
[   64.298839][ T1600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.298843][ T1600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.298846][ T1600]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   64.298850][ T1600]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   64.298853][ T1600]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   64.298855][ T1600]  ? register_netdev (net/core/dev.c:11618)
[   64.298857][ T1600]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   64.298865][ T1600]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   64.298868][ T1600]  ? __kernel_text_address (kernel/extable.c:79)
[   64.298871][ T1600]  ? write_profile (profile.c:?)
[   64.298876][ T1600]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   64.298883][ T1600]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   64.298888][ T1600]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   64.298891][ T1600]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   64.298893][ T1600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.298896][ T1600]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.298900][ T1600]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   64.298903][ T1600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.298905][ T1600]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   64.298909][ T1600]  ? kasan_save_stack (mm/kasan/common.c:58)
[   64.298912][ T1600]  ? kasan_save_stack (mm/kasan/common.c:57)
[   64.298913][ T1600]  ? kasan_save_track (mm/kasan/common.c:78)
[   64.298915][ T1600]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   64.298919][ T1600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.298922][ T1600]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   64.298926][ T1600]  ? ___sys_sendmsg (net/socket.c:2758)
[   64.298931][ T1600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.298934][ T1600]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   64.298938][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.298940][ T1600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.298942][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.298944][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.298946][ T1600]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   64.298948][ T1600]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   64.298949][ T1600]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   64.298951][ T1600]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   64.298955][ T1600]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   64.298956][ T1600]  ? nla_get_range_signed (lib/nlattr.c:270)
[   64.298961][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.298963][ T1600]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   64.298969][ T1600]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.298975][ T1600]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.298977][ T1600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.298981][ T1600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.298983][ T1600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.298985][ T1600]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.298987][ T1600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.298991][ T1600]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.298993][ T1600]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.298997][ T1600]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.298998][ T1600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.299003][ T1600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.299005][ T1600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.299008][ T1600]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.299011][ T1600]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.299014][ T1600]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.299021][ T1600]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.299023][ T1600]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.299028][ T1600]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.299032][ T1600]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.299035][ T1600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.299039][ T1600]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.299043][ T1600]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.299047][ T1600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.299048][ T1600]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   64.299054][ T1600]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   64.299057][ T1600]  ____sys_sendmsg (net/socket.c:2713)
[   64.299059][ T1600]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.299061][ T1600]  ? sock_write_iter (net/socket.c:1269)
[   64.299063][ T1600]  ? move_addr_to_kernel (net/socket.c:258)
[   64.299070][ T1600]  ___sys_sendmsg (net/socket.c:2767)
[   64.299073][ T1600]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.299090][ T1600]  __sys_sendmsg (net/socket.c:2799)
[   64.299092][ T1600]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.299099][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.299102][ T1600]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.299105][ T1600]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.299108][ T1600]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.299110][ T1600] RIP: 0033:0x7f24512eb54e
[   64.299114][ T1600] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.299116][ T1600] RSP: 002b:00007fffccc87fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.299118][ T1600] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f24512eb54e
[   64.299120][ T1600] RDX: 0000000000000000 RSI: 00007fffccc88080 RDI: 0000000000000005
[   64.299121][ T1600] RBP: 00007fffccc87fe0 R08: 0000000000000000 R09: 0000000000000000
[   64.299121][ T1600] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912569
[   64.299122][ T1600] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffccc88740
| [   66.080938][ T1657] softirqs last disabled at (14836): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   66.080939][ T1657] Preemption disabled at:
| [   66.080940][ T1657] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.080948][ T1657] Tainted: [W]=WARN
[   66.080949][ T1657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.080951][ T1657] Call Trace:
[   66.080952][ T1657]  <TASK>
[   66.080953][ T1657]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.080959][ T1657]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.080961][ T1657]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.080965][ T1657]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.080969][ T1657]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.080973][ T1657]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   66.080975][ T1657]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.080982][ T1657]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.080985][ T1657]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.080988][ T1657]  put_chars (drivers/char/virtio_console.c:1176)
[   66.080991][ T1657]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.080992][ T1657]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.080996][ T1657]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.080998][ T1657]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.081003][ T1657]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.081007][ T1657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.081012][ T1657]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.081015][ T1657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.081020][ T1657]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.081023][ T1657]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.081025][ T1657]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   66.081028][ T1657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.081030][ T1657]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.081034][ T1657]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.081038][ T1657]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.081040][ T1657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.081045][ T1657]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.081048][ T1657]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.081050][ T1657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.081051][ T1657]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   66.081055][ T1657]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.081056][ T1657]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.081059][ T1657]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.081062][ T1657]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.081064][ T1657]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.081067][ T1657]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   66.081070][ T1657]  _printk (kernel/printk/printk.c:2504)
[   66.081074][ T1657]  ? snapshot_read.cold (user.c:?)
[   66.081077][ T1657]  ? br_multicast_flood (??:?)
[   66.081080][ T1657]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   66.081082][ T1657]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   66.081083][ T1657]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.081087][ T1657]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   66.081091][ T1657]  br_init_port (net/bridge/br_stp_if.c:39)
[   66.081093][ T1657]  new_nbp (net/bridge/br_if.c:449)
[   66.081097][ T1657]  br_add_if (net/bridge/br_if.c:592)
[   66.081099][ T1657]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   66.081107][ T1657]  do_set_master (net/core/rtnetlink.c:3071)
[   66.081110][ T1657]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   66.081114][ T1657]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   66.081115][ T1657]  ? __dev_get_by_name (net/core/dev.c:905)
[   66.081117][ T1657]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   66.081127][ T1657]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   66.081133][ T1657]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   66.081138][ T1657]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.081140][ T1657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.081147][ T1657]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.081150][ T1657]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   66.081152][ T1657]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.081155][ T1657]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.081157][ T1657]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.081161][ T1657]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.081163][ T1657]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.081174][ T1657]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.081177][ T1657]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.081180][ T1657]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.081186][ T1657]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.081188][ T1657]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.081193][ T1657]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.081198][ T1657]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.081204][ T1657]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.081208][ T1657]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.081212][ T1657]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.081213][ T1657]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   66.081219][ T1657]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   66.081223][ T1657]  ____sys_sendmsg (net/socket.c:2713)
[   66.081225][ T1657]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.081227][ T1657]  ? sock_write_iter (net/socket.c:1269)
[   66.081229][ T1657]  ? move_addr_to_kernel (net/socket.c:258)
[   66.081233][ T1657]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   66.081236][ T1657]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.081240][ T1657]  ___sys_sendmsg (net/socket.c:2767)
[   66.081241][ T1657]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   66.081244][ T1657]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.081246][ T1657]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   66.081261][ T1657]  __sys_sendmsg (net/socket.c:2799)
[   66.081264][ T1657]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.081269][ T1657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.081271][ T1657]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.081274][ T1657]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.081277][ T1657]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.081280][ T1657]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.081282][ T1657] RIP: 0033:0x7f24f691254e
[   66.081286][ T1657] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.081288][ T1657] RSP: 002b:00007ffe531384c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.081291][ T1657] RAX: ffffffffffffffda RBX: 00007ffe53138c88 RCX: 00007f24f691254e
[   66.081292][ T1657] RDX: 0000000000000000 RSI: 00007ffe53138570 RDI: 0000000000000005
[   66.081293][ T1657] RBP: 00007ffe531384d0 R08: 0000000000000000 R09: 0000000000000000
[   66.081294][ T1657] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91256b
[   66.081295][ T1657] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe53138c40
| [   73.035113][   T71] softirqs last disabled at (1091580): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   73.035116][   T71] Preemption disabled at:
| [   73.035117][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.035125][   T71] Tainted: [W]=WARN
[   73.035126][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.035127][   T71] Workqueue: netns cleanup_net
[   73.035131][   T71] Call Trace:
[   73.035132][   T71]  <TASK>
[   73.035134][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.035140][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.035142][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.035146][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.035150][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   73.035154][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   73.035156][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.035163][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   73.035166][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.035170][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   73.035172][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.035173][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   73.035177][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.035179][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   73.035184][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.035188][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.035198][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.035201][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.035206][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.035210][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.035212][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   73.035220][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.035222][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.035226][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.035230][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.035232][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   73.035238][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.035241][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.035242][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.035244][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   73.035248][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.035250][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.035253][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.035256][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.035257][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   73.035259][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   73.035261][   T71]  ? kthread (kernel/kthread.c:436)
[   73.035263][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   73.035266][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   73.035271][   T71]  _printk (kernel/printk/printk.c:2504)
[   73.035275][   T71]  ? snapshot_read.cold (user.c:?)
[   73.035279][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   73.035283][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   73.035287][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   73.035290][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   73.035294][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.035296][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   73.035298][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   73.035300][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   73.035303][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   73.035307][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   73.035311][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   73.035317][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   73.035321][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   73.035324][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   73.035328][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   73.035332][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   73.035333][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   73.035336][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   73.035341][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   73.035344][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   73.035348][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.035350][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.035353][   T71]  process_one_work (kernel/workqueue.c:3387)
[   73.035360][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   73.035363][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   73.035371][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   73.035375][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   73.035377][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   73.035380][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   73.035383][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   73.035385][   T71]  kthread (kernel/kthread.c:436)
[   73.035387][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.035390][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   73.035393][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.035396][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   73.035399][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.035403][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   73.035405][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   74.161141][ T1805] softirqs last disabled at (16488): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   74.161144][ T1805] Preemption disabled at:
| [   74.161144][ T1805] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.161153][ T1805] Tainted: [W]=WARN
[   74.161154][ T1805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.161156][ T1805] Call Trace:
[   74.161158][ T1805]  <TASK>
[   74.161159][ T1805]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.161165][ T1805]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.161167][ T1805]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.161172][ T1805]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.161176][ T1805]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   74.161181][ T1805]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   74.161183][ T1805]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.161190][ T1805]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.161193][ T1805]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.161200][ T1805]  put_chars (drivers/char/virtio_console.c:1176)
[   74.161203][ T1805]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.161211][ T1805]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.161220][ T1805]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.161228][ T1805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.161233][ T1805]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.161238][ T1805]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.161239][ T1805]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   74.161243][ T1805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.161246][ T1805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.161249][ T1805]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.161253][ T1805]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.161255][ T1805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.161261][ T1805]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.161264][ T1805]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.161265][ T1805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.161267][ T1805]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   74.161271][ T1805]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.161272][ T1805]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.161275][ T1805]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.161278][ T1805]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.161281][ T1805]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   74.161286][ T1805]  _printk (kernel/printk/printk.c:2504)
[   74.161289][ T1805]  ? snapshot_read.cold (user.c:?)
[   74.161291][ T1805]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   74.161294][ T1805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.161296][ T1805]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   74.161298][ T1805]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   74.161302][ T1805]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   74.161305][ T1805]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   74.161307][ T1805]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   74.161310][ T1805]  ? netdev_notice (net/core/dev.c:13194)
[   74.161313][ T1805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.161316][ T1805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.161318][ T1805]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   74.161322][ T1805]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   74.161324][ T1805]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   74.161326][ T1805]  ? register_netdev (net/core/dev.c:11618)
[   74.161328][ T1805]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   74.161333][ T1805]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   74.161335][ T1805]  ? __kernel_text_address (kernel/extable.c:79)
[   74.161338][ T1805]  ? write_profile (profile.c:?)
[   74.161342][ T1805]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   74.161348][ T1805]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   74.161351][ T1805]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   74.161353][ T1805]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   74.161354][ T1805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   74.161356][ T1805]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   74.161360][ T1805]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   74.161362][ T1805]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.161364][ T1805]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   74.161366][ T1805]  ? kasan_save_stack (mm/kasan/common.c:58)
[   74.161368][ T1805]  ? kasan_save_stack (mm/kasan/common.c:57)
[   74.161369][ T1805]  ? kasan_save_track (mm/kasan/common.c:78)
[   74.161370][ T1805]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   74.161372][ T1805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.161374][ T1805]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   74.161377][ T1805]  ? ___sys_sendmsg (net/socket.c:2758)
[   74.161381][ T1805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.161383][ T1805]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   74.161386][ T1805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.161387][ T1805]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.161389][ T1805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.161390][ T1805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.161392][ T1805]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   74.161394][ T1805]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   74.161395][ T1805]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   74.161397][ T1805]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   74.161401][ T1805]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   74.161402][ T1805]  ? nla_get_range_signed (lib/nlattr.c:270)
[   74.161407][ T1805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.161409][ T1805]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   74.161414][ T1805]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   74.161419][ T1805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.161421][ T1805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.161426][ T1805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.161427][ T1805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.161429][ T1805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.161431][ T1805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.161435][ T1805]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   74.161437][ T1805]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.161440][ T1805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.161441][ T1805]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.161445][ T1805]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.161447][ T1805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.161451][ T1805]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.161454][ T1805]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.161456][ T1805]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.161463][ T1805]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   74.161465][ T1805]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   74.161469][ T1805]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.161473][ T1805]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.161475][ T1805]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.161480][ T1805]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.161484][ T1805]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.161487][ T1805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.161489][ T1805]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   74.161494][ T1805]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   74.161497][ T1805]  ____sys_sendmsg (net/socket.c:2713)
[   74.161499][ T1805]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.161501][ T1805]  ? sock_write_iter (net/socket.c:1269)
[   74.161503][ T1805]  ? move_addr_to_kernel (net/socket.c:258)
[   74.161510][ T1805]  ___sys_sendmsg (net/socket.c:2767)
[   74.161513][ T1805]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.161528][ T1805]  __sys_sendmsg (net/socket.c:2799)
[   74.161531][ T1805]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.161537][ T1805]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.161540][ T1805]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.161543][ T1805]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.161546][ T1805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.161548][ T1805] RIP: 0033:0x7fe55e8aa54e
[   74.161552][ T1805] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   74.161554][ T1805] RSP: 002b:00007ffef37148d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.161556][ T1805] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe55e8aa54e
[   74.161558][ T1805] RDX: 0000000000000000 RSI: 00007ffef3714980 RDI: 0000000000000005
[   74.161558][ T1805] RBP: 00007ffef37148e0 R08: 0000000000000000 R09: 0000000000000000
[   74.161559][ T1805] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912573
[   74.161560][ T1805] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef3715040
| [   75.978231][ T1879] softirqs last disabled at (31224): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   75.978233][ T1879] Preemption disabled at:
| [   75.978233][ T1879] vprintk_emit (kernel/printk/printk.c:2471)
| [   75.978246][ T1879] Tainted: [W]=WARN
[   75.978247][ T1879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   75.978249][ T1879] Call Trace:
[   75.978250][ T1879]  <TASK>
[   75.978252][ T1879]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   75.978258][ T1879]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   75.978259][ T1879]  __might_resched.cold (kernel/sched/core.c:9234)
[   75.978263][ T1879]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   75.978268][ T1879]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   75.978272][ T1879]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   75.978274][ T1879]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.978280][ T1879]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   75.978283][ T1879]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   75.978287][ T1879]  put_chars (drivers/char/virtio_console.c:1176)
[   75.978289][ T1879]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   75.978291][ T1879]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   75.978294][ T1879]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   75.978297][ T1879]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   75.978302][ T1879]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   75.978306][ T1879]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.978311][ T1879]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   75.978314][ T1879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.978319][ T1879]  console_emit_next_record (kernel/printk/printk.c:3183)
[   75.978322][ T1879]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   75.978324][ T1879]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   75.978328][ T1879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.978329][ T1879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   75.978333][ T1879]  console_flush_one_record (kernel/printk/printk.c:3268)
[   75.978337][ T1879]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   75.978339][ T1879]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.978344][ T1879]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   75.978347][ T1879]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   75.978349][ T1879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.978351][ T1879]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   75.978354][ T1879]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   75.978356][ T1879]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   75.978359][ T1879]  vprintk_emit (kernel/printk/printk.c:2479)
[   75.978362][ T1879]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   75.978364][ T1879]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.978366][ T1879]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   75.978370][ T1879]  _printk (kernel/printk/printk.c:2504)
[   75.978374][ T1879]  ? snapshot_read.cold (user.c:?)
[   75.978377][ T1879]  ? br_multicast_flood (??:?)
[   75.978380][ T1879]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   75.978382][ T1879]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   75.978383][ T1879]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.978387][ T1879]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   75.978391][ T1879]  br_init_port (net/bridge/br_stp_if.c:39)
[   75.978394][ T1879]  new_nbp (net/bridge/br_if.c:449)
[   75.978398][ T1879]  br_add_if (net/bridge/br_if.c:592)
[   75.978399][ T1879]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   75.978407][ T1879]  do_set_master (net/core/rtnetlink.c:3071)
[   75.978410][ T1879]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   75.978414][ T1879]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   75.978415][ T1879]  ? __dev_get_by_name (net/core/dev.c:905)
[   75.978418][ T1879]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   75.978427][ T1879]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   75.978433][ T1879]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   75.978439][ T1879]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.978441][ T1879]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.978447][ T1879]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.978451][ T1879]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   75.978453][ T1879]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   75.978456][ T1879]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.978457][ T1879]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   75.978462][ T1879]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   75.978464][ T1879]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.978468][ T1879]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   75.978471][ T1879]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   75.978474][ T1879]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   75.978480][ T1879]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   75.978482][ T1879]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   75.978486][ T1879]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   75.978490][ T1879]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   75.978496][ T1879]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   75.978500][ T1879]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   75.978503][ T1879]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   75.978505][ T1879]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   75.978510][ T1879]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   75.978514][ T1879]  ____sys_sendmsg (net/socket.c:2713)
[   75.978517][ T1879]  ? copy_msghdr_from_user (net/socket.c:2650)
[   75.978519][ T1879]  ? sock_write_iter (net/socket.c:1269)
[   75.978521][ T1879]  ? move_addr_to_kernel (net/socket.c:258)
[   75.978525][ T1879]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   75.978528][ T1879]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   75.978531][ T1879]  ___sys_sendmsg (net/socket.c:2767)
[   75.978533][ T1879]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   75.978536][ T1879]  ? copy_msghdr_from_user (net/socket.c:2619)
[   75.978538][ T1879]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   75.978552][ T1879]  __sys_sendmsg (net/socket.c:2799)
[   75.978555][ T1879]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   75.978561][ T1879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.978563][ T1879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   75.978565][ T1879]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   75.978569][ T1879]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   75.978572][ T1879]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   75.978574][ T1879] RIP: 0033:0x7efe3e8ea54e
[   75.978578][ T1879] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   75.978580][ T1879] RSP: 002b:00007ffc2bb691f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   75.978582][ T1879] RAX: ffffffffffffffda RBX: 00007ffc2bb699b8 RCX: 00007efe3e8ea54e
[   75.978584][ T1879] RDX: 0000000000000000 RSI: 00007ffc2bb692a0 RDI: 0000000000000005
[   75.978585][ T1879] RBP: 00007ffc2bb69200 R08: 0000000000000000 R09: 0000000000000000
[   75.978585][ T1879] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912575
[   75.978586][ T1879] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2bb69970
| [   77.123859][ T1918] softirqs last disabled at (17158): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   77.123861][ T1918] Preemption disabled at:
| [   77.123862][ T1918] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.123871][ T1918] Tainted: [W]=WARN
[   77.123873][ T1918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.123875][ T1918] Call Trace:
[   77.123877][ T1918]  <TASK>
[   77.123878][ T1918]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.123884][ T1918]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.123886][ T1918]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.123890][ T1918]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.123894][ T1918]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   77.123899][ T1918]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   77.123901][ T1918]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.123907][ T1918]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   77.123910][ T1918]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.123916][ T1918]  put_chars (drivers/char/virtio_console.c:1176)
[   77.123920][ T1918]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.123927][ T1918]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.123935][ T1918]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.123938][ T1918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.123943][ T1918]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.123947][ T1918]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.123949][ T1918]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   77.123953][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.123956][ T1918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.123960][ T1918]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.123967][ T1918]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.123969][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.123975][ T1918]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.123977][ T1918]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.123979][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.123981][ T1918]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   77.123985][ T1918]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.123987][ T1918]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.123990][ T1918]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.123993][ T1918]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.123995][ T1918]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   77.124001][ T1918]  _printk (kernel/printk/printk.c:2504)
[   77.124004][ T1918]  ? snapshot_read.cold (user.c:?)
[   77.124007][ T1918]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.124011][ T1918]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.124014][ T1918]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.124016][ T1918]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   77.124020][ T1918]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   77.124023][ T1918]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   77.124025][ T1918]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   77.124028][ T1918]  ? netdev_notice (net/core/dev.c:13194)
[   77.124031][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.124034][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.124037][ T1918]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   77.124040][ T1918]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   77.124042][ T1918]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   77.124044][ T1918]  ? register_netdev (net/core/dev.c:11618)
[   77.124046][ T1918]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   77.124054][ T1918]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   77.124057][ T1918]  ? __kernel_text_address (kernel/extable.c:79)
[   77.124060][ T1918]  ? write_profile (profile.c:?)
[   77.124064][ T1918]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   77.124070][ T1918]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   77.124073][ T1918]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   77.124075][ T1918]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   77.124077][ T1918]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   77.124078][ T1918]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   77.124082][ T1918]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   77.124084][ T1918]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   77.124085][ T1918]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   77.124088][ T1918]  ? kasan_save_stack (mm/kasan/common.c:58)
[   77.124090][ T1918]  ? kasan_save_stack (mm/kasan/common.c:57)
[   77.124091][ T1918]  ? kasan_save_track (mm/kasan/common.c:78)
[   77.124093][ T1918]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   77.124097][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.124099][ T1918]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   77.124103][ T1918]  ? ___sys_sendmsg (net/socket.c:2758)
[   77.124107][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.124109][ T1918]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.124111][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.124113][ T1918]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.124115][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.124116][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.124118][ T1918]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   77.124120][ T1918]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   77.124121][ T1918]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   77.124123][ T1918]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   77.124127][ T1918]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   77.124128][ T1918]  ? nla_get_range_signed (lib/nlattr.c:270)
[   77.124133][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.124135][ T1918]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   77.124140][ T1918]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   77.124149][ T1918]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.124151][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.124156][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.124158][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.124160][ T1918]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.124162][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.124165][ T1918]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   77.124167][ T1918]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.124171][ T1918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.124172][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   77.124177][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   77.124179][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.124182][ T1918]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.124185][ T1918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.124188][ T1918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.124198][ T1918]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   77.124201][ T1918]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   77.124206][ T1918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.124211][ T1918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.124214][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   77.124220][ T1918]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.124224][ T1918]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.124228][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   77.124230][ T1918]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   77.124235][ T1918]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   77.124238][ T1918]  ____sys_sendmsg (net/socket.c:2713)
[   77.124240][ T1918]  ? copy_msghdr_from_user (net/socket.c:2650)
[   77.124243][ T1918]  ? sock_write_iter (net/socket.c:1269)
[   77.124244][ T1918]  ? move_addr_to_kernel (net/socket.c:258)
[   77.124258][ T1918]  ___sys_sendmsg (net/socket.c:2767)
[   77.124261][ T1918]  ? copy_msghdr_from_user (net/socket.c:2619)
[   77.124277][ T1918]  __sys_sendmsg (net/socket.c:2799)
[   77.124280][ T1918]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   77.124286][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.124290][ T1918]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.124293][ T1918]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.124296][ T1918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.124298][ T1918] RIP: 0033:0x7f96b25e054e
[   77.124301][ T1918] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   77.124303][ T1918] RSP: 002b:00007ffc30d5a650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.124306][ T1918] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f96b25e054e
[   77.124307][ T1918] RDX: 0000000000000000 RSI: 00007ffc30d5a700 RDI: 0000000000000005
[   77.124308][ T1918] RBP: 00007ffc30d5a660 R08: 0000000000000000 R09: 0000000000000000
[   77.124309][ T1918] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912576
[   77.124310][ T1918] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc30d5adc0
| [   78.916045][ T1976] softirqs last disabled at (17474): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   78.916046][ T1976] Preemption disabled at:
| [   78.916047][ T1976] vprintk_emit (kernel/printk/printk.c:2471)
| [   78.916056][ T1976] Tainted: [W]=WARN
[   78.916057][ T1976] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.916058][ T1976] Call Trace:
[   78.916060][ T1976]  <TASK>
[   78.916061][ T1976]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.916067][ T1976]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   78.916069][ T1976]  __might_resched.cold (kernel/sched/core.c:9234)
[   78.916073][ T1976]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   78.916078][ T1976]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   78.916082][ T1976]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   78.916084][ T1976]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.916090][ T1976]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   78.916093][ T1976]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.916097][ T1976]  put_chars (drivers/char/virtio_console.c:1176)
[   78.916099][ T1976]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   78.916100][ T1976]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   78.916104][ T1976]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.916107][ T1976]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.916111][ T1976]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   78.916115][ T1976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.916120][ T1976]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   78.916123][ T1976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.916128][ T1976]  console_emit_next_record (kernel/printk/printk.c:3183)
[   78.916132][ T1976]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   78.916133][ T1976]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   78.916137][ T1976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.916138][ T1976]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.916142][ T1976]  console_flush_one_record (kernel/printk/printk.c:3268)
[   78.916146][ T1976]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   78.916148][ T1976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.916153][ T1976]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   78.916156][ T1976]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   78.916158][ T1976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.916160][ T1976]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   78.916163][ T1976]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   78.916165][ T1976]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   78.916168][ T1976]  vprintk_emit (kernel/printk/printk.c:2479)
[   78.916171][ T1976]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.916173][ T1976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.916175][ T1976]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   78.916179][ T1976]  _printk (kernel/printk/printk.c:2504)
[   78.916182][ T1976]  ? snapshot_read.cold (user.c:?)
[   78.916186][ T1976]  ? br_multicast_flood (??:?)
[   78.916189][ T1976]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   78.916190][ T1976]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   78.916191][ T1976]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   78.916197][ T1976]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   78.916202][ T1976]  br_init_port (net/bridge/br_stp_if.c:39)
[   78.916204][ T1976]  new_nbp (net/bridge/br_if.c:449)
[   78.916208][ T1976]  br_add_if (net/bridge/br_if.c:592)
[   78.916210][ T1976]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   78.916218][ T1976]  do_set_master (net/core/rtnetlink.c:3071)
[   78.916221][ T1976]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   78.916225][ T1976]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   78.916226][ T1976]  ? __dev_get_by_name (net/core/dev.c:905)
[   78.916229][ T1976]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   78.916238][ T1976]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   78.916244][ T1976]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   78.916249][ T1976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.916251][ T1976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.916262][ T1976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.916266][ T1976]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   78.916268][ T1976]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   78.916271][ T1976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.916272][ T1976]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.916277][ T1976]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.916279][ T1976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.916283][ T1976]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   78.916286][ T1976]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   78.916288][ T1976]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   78.916295][ T1976]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   78.916297][ T1976]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   78.916301][ T1976]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   78.916305][ T1976]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   78.916311][ T1976]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   78.916315][ T1976]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   78.916319][ T1976]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.916320][ T1976]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   78.916326][ T1976]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   78.916330][ T1976]  ____sys_sendmsg (net/socket.c:2713)
[   78.916332][ T1976]  ? copy_msghdr_from_user (net/socket.c:2650)
[   78.916334][ T1976]  ? sock_write_iter (net/socket.c:1269)
[   78.916336][ T1976]  ? move_addr_to_kernel (net/socket.c:258)
[   78.916340][ T1976]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   78.916343][ T1976]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   78.916347][ T1976]  ___sys_sendmsg (net/socket.c:2767)
[   78.916348][ T1976]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   78.916351][ T1976]  ? copy_msghdr_from_user (net/socket.c:2619)
[   78.916353][ T1976]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   78.916368][ T1976]  __sys_sendmsg (net/socket.c:2799)
[   78.916371][ T1976]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   78.916377][ T1976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.916378][ T1976]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.916382][ T1976]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   78.916385][ T1976]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   78.916388][ T1976]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   78.916390][ T1976] RIP: 0033:0x7fa75e4a754e
[   78.916394][ T1976] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   78.916396][ T1976] RSP: 002b:00007fff97db8370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   78.916398][ T1976] RAX: ffffffffffffffda RBX: 00007fff97db8b38 RCX: 00007fa75e4a754e
[   78.916400][ T1976] RDX: 0000000000000000 RSI: 00007fff97db8420 RDI: 0000000000000005
[   78.916400][ T1976] RBP: 00007fff97db8380 R08: 0000000000000000 R09: 0000000000000000
[   78.916401][ T1976] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912578
[   78.916402][ T1976] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff97db8af0
| [   85.855842][   T71] softirqs last disabled at (1357770): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   85.855844][   T71] Preemption disabled at:
| [   85.855845][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.855853][   T71] Tainted: [W]=WARN
[   85.855854][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.855856][   T71] Workqueue: netns cleanup_net
[   85.855859][   T71] Call Trace:
[   85.855861][   T71]  <TASK>
[   85.855862][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.855868][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.855870][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.855874][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.855878][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   85.855883][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   85.855885][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.855892][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   85.855894][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.855898][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   85.855901][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.855902][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   85.855905][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   85.855908][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   85.855913][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.855917][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.855923][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.855926][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.855931][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.855935][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.855937][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   85.855940][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.855942][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.855946][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.855950][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.855952][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   85.855957][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.855960][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.855962][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.855964][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   85.855968][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.855970][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.855972][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.855976][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.855977][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   85.855979][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   85.855981][   T71]  ? kthread (kernel/kthread.c:436)
[   85.855983][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   85.855986][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   85.855990][   T71]  _printk (kernel/printk/printk.c:2504)
[   85.855994][   T71]  ? snapshot_read.cold (user.c:?)
[   85.855999][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   85.856003][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   85.856007][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   85.856009][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   85.856014][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.856016][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   85.856018][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   85.856020][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   85.856023][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   85.856027][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   85.856030][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   85.856037][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   85.856041][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   85.856044][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   85.856048][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   85.856052][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   85.856053][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   85.856057][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   85.856061][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   85.856064][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   85.856068][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.856070][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.856074][   T71]  process_one_work (kernel/workqueue.c:3387)
[   85.856080][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   85.856083][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   85.856091][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   85.856095][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   85.856098][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   85.856100][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   85.856103][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   85.856105][   T71]  kthread (kernel/kthread.c:436)
[   85.856107][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   85.856110][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   85.856113][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   85.856116][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   85.856119][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   85.856123][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   85.856126][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   86.979814][ T2124] softirqs last disabled at (15936): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   86.979816][ T2124] Preemption disabled at:
| [   86.979817][ T2124] vprintk_emit (kernel/printk/printk.c:2471)
| [   86.979825][ T2124] Tainted: [W]=WARN
[   86.979826][ T2124] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   86.979827][ T2124] Call Trace:
[   86.979829][ T2124]  <TASK>
[   86.979831][ T2124]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   86.979836][ T2124]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   86.979838][ T2124]  __might_resched.cold (kernel/sched/core.c:9234)
[   86.979843][ T2124]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   86.979847][ T2124]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   86.979852][ T2124]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   86.979853][ T2124]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.979860][ T2124]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   86.979863][ T2124]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   86.979866][ T2124]  put_chars (drivers/char/virtio_console.c:1176)
[   86.979869][ T2124]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   86.979875][ T2124]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   86.979883][ T2124]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   86.979886][ T2124]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.979891][ T2124]  console_emit_next_record (kernel/printk/printk.c:3183)
[   86.979895][ T2124]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   86.979897][ T2124]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   86.979900][ T2124]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.979903][ T2124]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.979907][ T2124]  console_flush_one_record (kernel/printk/printk.c:3268)
[   86.979911][ T2124]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   86.979913][ T2124]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.979919][ T2124]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   86.979922][ T2124]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   86.979923][ T2124]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.979925][ T2124]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   86.979929][ T2124]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   86.979931][ T2124]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   86.979933][ T2124]  vprintk_emit (kernel/printk/printk.c:2479)
[   86.979937][ T2124]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   86.979939][ T2124]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   86.979944][ T2124]  _printk (kernel/printk/printk.c:2504)
[   86.979948][ T2124]  ? snapshot_read.cold (user.c:?)
[   86.979950][ T2124]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   86.979952][ T2124]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   86.979955][ T2124]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   86.979957][ T2124]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   86.979961][ T2124]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   86.979964][ T2124]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   86.979966][ T2124]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   86.979969][ T2124]  ? netdev_notice (net/core/dev.c:13194)
[   86.979972][ T2124]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.979975][ T2124]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.979977][ T2124]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   86.979981][ T2124]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   86.979983][ T2124]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   86.979985][ T2124]  ? register_netdev (net/core/dev.c:11618)
[   86.979987][ T2124]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   86.979992][ T2124]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   86.979995][ T2124]  ? __kernel_text_address (kernel/extable.c:79)
[   86.979997][ T2124]  ? write_profile (profile.c:?)
[   86.980001][ T2124]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   86.980007][ T2124]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   86.980011][ T2124]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   86.980013][ T2124]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   86.980014][ T2124]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   86.980016][ T2124]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   86.980020][ T2124]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   86.980022][ T2124]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   86.980023][ T2124]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   86.980026][ T2124]  ? kasan_save_stack (mm/kasan/common.c:58)
[   86.980028][ T2124]  ? kasan_save_stack (mm/kasan/common.c:57)
[   86.980029][ T2124]  ? kasan_save_track (mm/kasan/common.c:78)
[   86.980030][ T2124]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   86.980032][ T2124]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.980034][ T2124]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   86.980037][ T2124]  ? ___sys_sendmsg (net/socket.c:2758)
[   86.980041][ T2124]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   86.980043][ T2124]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.980046][ T2124]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.980048][ T2124]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   86.980049][ T2124]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.980050][ T2124]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.980052][ T2124]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   86.980054][ T2124]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   86.980056][ T2124]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   86.980058][ T2124]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   86.980061][ T2124]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   86.980062][ T2124]  ? nla_get_range_signed (lib/nlattr.c:270)
[   86.980067][ T2124]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.980069][ T2124]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   86.980075][ T2124]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   86.980080][ T2124]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.980082][ T2124]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.980087][ T2124]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   86.980089][ T2124]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.980091][ T2124]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.980093][ T2124]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.980097][ T2124]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   86.980099][ T2124]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   86.980102][ T2124]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.980103][ T2124]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   86.980108][ T2124]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   86.980110][ T2124]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.980113][ T2124]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   86.980116][ T2124]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   86.980119][ T2124]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   86.980126][ T2124]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   86.980128][ T2124]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   86.980132][ T2124]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   86.980136][ T2124]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   86.980139][ T2124]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   86.980143][ T2124]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   86.980147][ T2124]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   86.980151][ T2124]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   86.980153][ T2124]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   86.980158][ T2124]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   86.980161][ T2124]  ____sys_sendmsg (net/socket.c:2713)
[   86.980164][ T2124]  ? copy_msghdr_from_user (net/socket.c:2650)
[   86.980166][ T2124]  ? sock_write_iter (net/socket.c:1269)
[   86.980167][ T2124]  ? move_addr_to_kernel (net/socket.c:258)
[   86.980175][ T2124]  ___sys_sendmsg (net/socket.c:2767)
[   86.980178][ T2124]  ? copy_msghdr_from_user (net/socket.c:2619)
[   86.980199][ T2124]  __sys_sendmsg (net/socket.c:2799)
[   86.980202][ T2124]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   86.980208][ T2124]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   86.980211][ T2124]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   86.980214][ T2124]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   86.980217][ T2124]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   86.980219][ T2124] RIP: 0033:0x7febafff254e
[   86.980223][ T2124] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   86.980225][ T2124] RSP: 002b:00007ffd350a3e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   86.980228][ T2124] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007febafff254e
[   86.980229][ T2124] RDX: 0000000000000000 RSI: 00007ffd350a3f40 RDI: 0000000000000005
[   86.980230][ T2124] RBP: 00007ffd350a3ea0 R08: 0000000000000000 R09: 0000000000000000
[   86.980231][ T2124] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912580
[   86.980232][ T2124] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd350a4600
| [   88.790522][ T2198] softirqs last disabled at (18714): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   88.790524][ T2198] Preemption disabled at:
| [   88.790524][ T2198] vprintk_emit (kernel/printk/printk.c:2471)
| [   88.790533][ T2198] Tainted: [W]=WARN
[   88.790534][ T2198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.790535][ T2198] Call Trace:
[   88.790537][ T2198]  <TASK>
[   88.790538][ T2198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.790544][ T2198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   88.790546][ T2198]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.790550][ T2198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.790554][ T2198]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   88.790558][ T2198]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   88.790560][ T2198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.790567][ T2198]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   88.790570][ T2198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.790573][ T2198]  put_chars (drivers/char/virtio_console.c:1176)
[   88.790576][ T2198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.790577][ T2198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   88.790581][ T2198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   88.790583][ T2198]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   88.790588][ T2198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.790592][ T2198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.790597][ T2198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.790600][ T2198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.790604][ T2198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.790608][ T2198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.790610][ T2198]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   88.790613][ T2198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.790615][ T2198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.790619][ T2198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.790623][ T2198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.790625][ T2198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.790630][ T2198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.790633][ T2198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.790635][ T2198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.790636][ T2198]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   88.790640][ T2198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.790642][ T2198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.790644][ T2198]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.790647][ T2198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.790649][ T2198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.790652][ T2198]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   88.790655][ T2198]  _printk (kernel/printk/printk.c:2504)
[   88.790659][ T2198]  ? snapshot_read.cold (user.c:?)
[   88.790662][ T2198]  ? br_multicast_flood (??:?)
[   88.790665][ T2198]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   88.790667][ T2198]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   88.790668][ T2198]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.790672][ T2198]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   88.790676][ T2198]  br_init_port (net/bridge/br_stp_if.c:39)
[   88.790678][ T2198]  new_nbp (net/bridge/br_if.c:449)
[   88.790682][ T2198]  br_add_if (net/bridge/br_if.c:592)
[   88.790684][ T2198]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   88.790692][ T2198]  do_set_master (net/core/rtnetlink.c:3071)
[   88.790695][ T2198]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   88.790699][ T2198]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   88.790701][ T2198]  ? __dev_get_by_name (net/core/dev.c:905)
[   88.790703][ T2198]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   88.790712][ T2198]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   88.790718][ T2198]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.790724][ T2198]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.790725][ T2198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.790732][ T2198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.790736][ T2198]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.790738][ T2198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.790741][ T2198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.790742][ T2198]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   88.790747][ T2198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   88.790749][ T2198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.790752][ T2198]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.790755][ T2198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.790758][ T2198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.790765][ T2198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   88.790767][ T2198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   88.790771][ T2198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.790775][ T2198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.790781][ T2198]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.790785][ T2198]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.790789][ T2198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   88.790790][ T2198]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   88.790796][ T2198]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   88.790800][ T2198]  ____sys_sendmsg (net/socket.c:2713)
[   88.790802][ T2198]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.790804][ T2198]  ? sock_write_iter (net/socket.c:1269)
[   88.790806][ T2198]  ? move_addr_to_kernel (net/socket.c:258)
[   88.790810][ T2198]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   88.790813][ T2198]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   88.790816][ T2198]  ___sys_sendmsg (net/socket.c:2767)
[   88.790818][ T2198]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   88.790821][ T2198]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.790823][ T2198]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   88.790838][ T2198]  __sys_sendmsg (net/socket.c:2799)
[   88.790841][ T2198]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.790846][ T2198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.790848][ T2198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.790851][ T2198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.790855][ T2198]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.790858][ T2198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.790860][ T2198] RIP: 0033:0x7fd4c475754e
[   88.790864][ T2198] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   88.790865][ T2198] RSP: 002b:00007ffc9e696ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.790868][ T2198] RAX: ffffffffffffffda RBX: 00007ffc9e6972a8 RCX: 00007fd4c475754e
[   88.790869][ T2198] RDX: 0000000000000000 RSI: 00007ffc9e696b90 RDI: 0000000000000005
[   88.790870][ T2198] RBP: 00007ffc9e696af0 R08: 0000000000000000 R09: 0000000000000000
[   88.790871][ T2198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912582
[   88.790872][ T2198] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9e697260
| [   89.930009][ T2236] softirqs last disabled at (24544): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   89.930012][ T2236] Preemption disabled at:
| [   89.930012][ T2236] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.930021][ T2236] Tainted: [W]=WARN
[   89.930022][ T2236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.930024][ T2236] Call Trace:
[   89.930026][ T2236]  <TASK>
[   89.930028][ T2236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.930034][ T2236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.930036][ T2236]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.930040][ T2236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.930045][ T2236]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   89.930050][ T2236]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   89.930052][ T2236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.930059][ T2236]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   89.930061][ T2236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.930065][ T2236]  put_chars (drivers/char/virtio_console.c:1176)
[   89.930068][ T2236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.930075][ T2236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.930083][ T2236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.930086][ T2236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.930091][ T2236]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.930096][ T2236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.930098][ T2236]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   89.930101][ T2236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.930104][ T2236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.930108][ T2236]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.930113][ T2236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.930115][ T2236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.930120][ T2236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.930123][ T2236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.930125][ T2236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.930127][ T2236]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   89.930131][ T2236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.930133][ T2236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.930136][ T2236]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.930139][ T2236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.930142][ T2236]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   89.930147][ T2236]  _printk (kernel/printk/printk.c:2504)
[   89.930151][ T2236]  ? snapshot_read.cold (user.c:?)
[   89.930153][ T2236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.930155][ T2236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.930158][ T2236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.930161][ T2236]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   89.930164][ T2236]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   89.930167][ T2236]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.930170][ T2236]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   89.930172][ T2236]  ? netdev_notice (net/core/dev.c:13194)
[   89.930175][ T2236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.930178][ T2236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.930181][ T2236]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   89.930185][ T2236]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.930187][ T2236]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   89.930189][ T2236]  ? register_netdev (net/core/dev.c:11618)
[   89.930191][ T2236]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   89.930199][ T2236]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   89.930202][ T2236]  ? __kernel_text_address (kernel/extable.c:79)
[   89.930205][ T2236]  ? write_profile (profile.c:?)
[   89.930209][ T2236]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   89.930215][ T2236]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   89.930219][ T2236]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   89.930221][ T2236]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   89.930222][ T2236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   89.930224][ T2236]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.930228][ T2236]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   89.930230][ T2236]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.930232][ T2236]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   89.930235][ T2236]  ? kasan_save_stack (mm/kasan/common.c:58)
[   89.930237][ T2236]  ? kasan_save_stack (mm/kasan/common.c:57)
[   89.930238][ T2236]  ? kasan_save_track (mm/kasan/common.c:78)
[   89.930239][ T2236]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   89.930242][ T2236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.930244][ T2236]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   89.930248][ T2236]  ? ___sys_sendmsg (net/socket.c:2758)
[   89.930252][ T2236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.930254][ T2236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.930258][ T2236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.930260][ T2236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.930261][ T2236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.930263][ T2236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.930265][ T2236]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   89.930267][ T2236]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   89.930269][ T2236]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   89.930271][ T2236]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.930275][ T2236]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   89.930276][ T2236]  ? nla_get_range_signed (lib/nlattr.c:270)
[   89.930281][ T2236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.930284][ T2236]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   89.930290][ T2236]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.930297][ T2236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.930299][ T2236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.930304][ T2236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.930306][ T2236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.930308][ T2236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.930310][ T2236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.930314][ T2236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.930317][ T2236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.930320][ T2236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.930322][ T2236]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   89.930326][ T2236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   89.930328][ T2236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.930332][ T2236]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.930335][ T2236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.930342][ T2236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.930349][ T2236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   89.930352][ T2236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   89.930356][ T2236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.930361][ T2236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.930363][ T2236]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   89.930368][ T2236]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.930372][ T2236]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.930376][ T2236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   89.930378][ T2236]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   89.930384][ T2236]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   89.930387][ T2236]  ____sys_sendmsg (net/socket.c:2713)
[   89.930390][ T2236]  ? copy_msghdr_from_user (net/socket.c:2650)
[   89.930392][ T2236]  ? sock_write_iter (net/socket.c:1269)
[   89.930394][ T2236]  ? move_addr_to_kernel (net/socket.c:258)
[   89.930403][ T2236]  ___sys_sendmsg (net/socket.c:2767)
[   89.930406][ T2236]  ? copy_msghdr_from_user (net/socket.c:2619)
[   89.930423][ T2236]  __sys_sendmsg (net/socket.c:2799)
[   89.930426][ T2236]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   89.930433][ T2236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.930436][ T2236]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.930439][ T2236]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.930442][ T2236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.930444][ T2236] RIP: 0033:0x7f33aebc354e
[   89.930448][ T2236] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   89.930450][ T2236] RSP: 002b:00007ffc240f3b10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.930453][ T2236] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f33aebc354e
[   89.930455][ T2236] RDX: 0000000000000000 RSI: 00007ffc240f3bc0 RDI: 0000000000000005
[   89.930456][ T2236] RBP: 00007ffc240f3b20 R08: 0000000000000000 R09: 0000000000000000
[   89.930457][ T2236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912583
[   89.930458][ T2236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc240f4280
| [   91.715247][ T2294] softirqs last disabled at (22388): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   91.715249][ T2294] Preemption disabled at:
| [   91.715250][ T2294] vprintk_emit (kernel/printk/printk.c:2471)
| [   91.715258][ T2294] Tainted: [W]=WARN
[   91.715259][ T2294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.715261][ T2294] Call Trace:
[   91.715262][ T2294]  <TASK>
[   91.715264][ T2294]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   91.715270][ T2294]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   91.715271][ T2294]  __might_resched.cold (kernel/sched/core.c:9234)
[   91.715276][ T2294]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   91.715281][ T2294]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   91.715285][ T2294]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   91.715287][ T2294]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.715293][ T2294]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   91.715296][ T2294]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   91.715299][ T2294]  put_chars (drivers/char/virtio_console.c:1176)
[   91.715302][ T2294]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   91.715303][ T2294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   91.715306][ T2294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.715309][ T2294]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   91.715314][ T2294]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   91.715319][ T2294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.715326][ T2294]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   91.715329][ T2294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.715334][ T2294]  console_emit_next_record (kernel/printk/printk.c:3183)
[   91.715338][ T2294]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   91.715339][ T2294]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   91.715343][ T2294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.715345][ T2294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   91.715348][ T2294]  console_flush_one_record (kernel/printk/printk.c:3268)
[   91.715358][ T2294]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   91.715360][ T2294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.715365][ T2294]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   91.715368][ T2294]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   91.715370][ T2294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.715372][ T2294]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   91.715376][ T2294]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   91.715378][ T2294]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   91.715381][ T2294]  vprintk_emit (kernel/printk/printk.c:2479)
[   91.715384][ T2294]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   91.715386][ T2294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.715388][ T2294]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   91.715392][ T2294]  _printk (kernel/printk/printk.c:2504)
[   91.715395][ T2294]  ? snapshot_read.cold (user.c:?)
[   91.715399][ T2294]  ? br_multicast_flood (??:?)
[   91.715402][ T2294]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   91.715403][ T2294]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   91.715404][ T2294]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   91.715409][ T2294]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   91.715413][ T2294]  br_init_port (net/bridge/br_stp_if.c:39)
[   91.715416][ T2294]  new_nbp (net/bridge/br_if.c:449)
[   91.715419][ T2294]  br_add_if (net/bridge/br_if.c:592)
[   91.715421][ T2294]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   91.715429][ T2294]  do_set_master (net/core/rtnetlink.c:3071)
[   91.715432][ T2294]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   91.715436][ T2294]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   91.715438][ T2294]  ? __dev_get_by_name (net/core/dev.c:905)
[   91.715440][ T2294]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   91.715449][ T2294]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   91.715455][ T2294]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   91.715461][ T2294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.715463][ T2294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.715469][ T2294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.715473][ T2294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   91.715475][ T2294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   91.715480][ T2294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.715482][ T2294]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   91.715489][ T2294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   91.715491][ T2294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.715495][ T2294]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   91.715498][ T2294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.715501][ T2294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.715507][ T2294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   91.715509][ T2294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   91.715513][ T2294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.715517][ T2294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.715523][ T2294]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   91.715527][ T2294]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   91.715531][ T2294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   91.715532][ T2294]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   91.715538][ T2294]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   91.715542][ T2294]  ____sys_sendmsg (net/socket.c:2713)
[   91.715544][ T2294]  ? copy_msghdr_from_user (net/socket.c:2650)
[   91.715546][ T2294]  ? sock_write_iter (net/socket.c:1269)
[   91.715548][ T2294]  ? move_addr_to_kernel (net/socket.c:258)
[   91.715555][ T2294]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   91.715558][ T2294]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   91.715562][ T2294]  ___sys_sendmsg (net/socket.c:2767)
[   91.715564][ T2294]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   91.715566][ T2294]  ? copy_msghdr_from_user (net/socket.c:2619)
[   91.715569][ T2294]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   91.715583][ T2294]  __sys_sendmsg (net/socket.c:2799)
[   91.715586][ T2294]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   91.715592][ T2294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.715594][ T2294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   91.715599][ T2294]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   91.715603][ T2294]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   91.715606][ T2294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.715608][ T2294] RIP: 0033:0x7fe0f4a8554e
[   91.715612][ T2294] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   91.715614][ T2294] RSP: 002b:00007ffc40496b40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.715617][ T2294] RAX: ffffffffffffffda RBX: 00007ffc40497308 RCX: 00007fe0f4a8554e
[   91.715618][ T2294] RDX: 0000000000000000 RSI: 00007ffc40496bf0 RDI: 0000000000000005
[   91.715620][ T2294] RBP: 00007ffc40496b50 R08: 0000000000000000 R09: 0000000000000000
[   91.715621][ T2294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912585
[   91.715622][ T2294] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc404972c0
| [   98.642861][   T71] softirqs last disabled at (1641576): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   98.642863][   T71] Preemption disabled at:
| [   98.642864][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   98.642873][   T71] Tainted: [W]=WARN
[   98.642874][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.642875][   T71] Workqueue: netns cleanup_net
[   98.642879][   T71] Call Trace:
[   98.642880][   T71]  <TASK>
[   98.642882][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   98.642888][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   98.642889][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   98.642894][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   98.642898][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   98.642902][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   98.642904][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.642911][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   98.642913][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   98.642917][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   98.642920][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   98.642921][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   98.642925][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.642928][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   98.642932][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   98.642936][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.642942][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   98.642945][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.642949][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   98.642954][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   98.642955][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   98.642959][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.642960][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.642965][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   98.642969][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   98.642971][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   98.642976][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   98.642979][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   98.642981][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.642983][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   98.642987][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   98.642989][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   98.642991][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   98.642995][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   98.642996][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[   98.642998][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   98.643000][   T71]  ? kthread (kernel/kthread.c:436)
[   98.643002][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   98.643005][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   98.643009][   T71]  _printk (kernel/printk/printk.c:2504)
[   98.643013][   T71]  ? snapshot_read.cold (user.c:?)
[   98.643018][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   98.643021][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   98.643025][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   98.643028][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   98.643033][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.643034][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   98.643037][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   98.643039][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.643041][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   98.643045][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   98.643049][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   98.643055][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[   98.643059][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[   98.643062][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   98.643066][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   98.643070][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[   98.643072][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   98.643075][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   98.643080][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   98.643083][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.643087][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   98.643089][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   98.643092][   T71]  process_one_work (kernel/workqueue.c:3387)
[   98.643099][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   98.643102][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   98.643109][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   98.643114][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   98.643116][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   98.643118][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   98.643121][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   98.643123][   T71]  kthread (kernel/kthread.c:436)
[   98.643125][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.643129][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   98.643132][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.643135][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   98.643138][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.643141][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   98.643144][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   99.747665][ T2442] softirqs last disabled at (27720): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   99.747667][ T2442] Preemption disabled at:
| [   99.747668][ T2442] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.747677][ T2442] Tainted: [W]=WARN
[   99.747678][ T2442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.747679][ T2442] Call Trace:
[   99.747681][ T2442]  <TASK>
[   99.747683][ T2442]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.747689][ T2442]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.747690][ T2442]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.747695][ T2442]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.747699][ T2442]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   99.747704][ T2442]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   99.747705][ T2442]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.747712][ T2442]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.747715][ T2442]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.747719][ T2442]  put_chars (drivers/char/virtio_console.c:1176)
[   99.747721][ T2442]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.747728][ T2442]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.747735][ T2442]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.747738][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.747743][ T2442]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.747747][ T2442]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.747749][ T2442]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   99.747752][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.747755][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.747759][ T2442]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.747763][ T2442]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.747765][ T2442]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.747770][ T2442]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.747773][ T2442]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.747775][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.747777][ T2442]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   99.747780][ T2442]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.747782][ T2442]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.747785][ T2442]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.747788][ T2442]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.747791][ T2442]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   99.747796][ T2442]  _printk (kernel/printk/printk.c:2504)
[   99.747799][ T2442]  ? snapshot_read.cold (user.c:?)
[   99.747801][ T2442]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   99.747804][ T2442]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.747806][ T2442]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   99.747809][ T2442]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   99.747812][ T2442]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   99.747815][ T2442]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   99.747818][ T2442]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   99.747820][ T2442]  ? netdev_notice (net/core/dev.c:13194)
[   99.747823][ T2442]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.747826][ T2442]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.747829][ T2442]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   99.747832][ T2442]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   99.747834][ T2442]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   99.747836][ T2442]  ? register_netdev (net/core/dev.c:11618)
[   99.747838][ T2442]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[   99.747844][ T2442]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   99.747846][ T2442]  ? __kernel_text_address (kernel/extable.c:79)
[   99.747849][ T2442]  ? write_profile (profile.c:?)
[   99.747853][ T2442]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   99.747858][ T2442]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   99.747862][ T2442]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   99.747864][ T2442]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   99.747865][ T2442]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.747867][ T2442]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.747871][ T2442]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   99.747873][ T2442]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.747874][ T2442]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   99.747877][ T2442]  ? kasan_save_stack (mm/kasan/common.c:58)
[   99.747879][ T2442]  ? kasan_save_stack (mm/kasan/common.c:57)
[   99.747880][ T2442]  ? kasan_save_track (mm/kasan/common.c:78)
[   99.747881][ T2442]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.747883][ T2442]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.747885][ T2442]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   99.747888][ T2442]  ? ___sys_sendmsg (net/socket.c:2758)
[   99.747892][ T2442]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.747894][ T2442]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   99.747897][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.747898][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.747900][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.747901][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.747903][ T2442]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   99.747905][ T2442]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   99.747906][ T2442]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   99.747908][ T2442]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   99.747912][ T2442]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   99.747913][ T2442]  ? nla_get_range_signed (lib/nlattr.c:270)
[   99.747918][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.747920][ T2442]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   99.747925][ T2442]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.747930][ T2442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.747932][ T2442]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.747937][ T2442]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.747939][ T2442]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.747941][ T2442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.747942][ T2442]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.747946][ T2442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.747948][ T2442]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.747951][ T2442]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.747953][ T2442]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.747957][ T2442]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.747959][ T2442]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.747962][ T2442]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.747966][ T2442]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.747969][ T2442]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.747975][ T2442]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   99.747977][ T2442]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   99.747981][ T2442]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.747985][ T2442]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.747988][ T2442]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.747992][ T2442]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.747996][ T2442]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.748000][ T2442]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.748001][ T2442]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   99.748007][ T2442]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   99.748009][ T2442]  ____sys_sendmsg (net/socket.c:2713)
[   99.748012][ T2442]  ? copy_msghdr_from_user (net/socket.c:2650)
[   99.748014][ T2442]  ? sock_write_iter (net/socket.c:1269)
[   99.748016][ T2442]  ? move_addr_to_kernel (net/socket.c:258)
[   99.748023][ T2442]  ___sys_sendmsg (net/socket.c:2767)
[   99.748026][ T2442]  ? copy_msghdr_from_user (net/socket.c:2619)
[   99.748041][ T2442]  __sys_sendmsg (net/socket.c:2799)
[   99.748044][ T2442]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   99.748050][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.748053][ T2442]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.748056][ T2442]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.748059][ T2442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.748061][ T2442] RIP: 0033:0x7f1da9c6e54e
[   99.748065][ T2442] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.748067][ T2442] RSP: 002b:00007ffca2c9b9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.748070][ T2442] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1da9c6e54e
[   99.748071][ T2442] RDX: 0000000000000000 RSI: 00007ffca2c9ba90 RDI: 0000000000000005
[   99.748072][ T2442] RBP: 00007ffca2c9b9f0 R08: 0000000000000000 R09: 0000000000000000
[   99.748073][ T2442] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91258d
[   99.748074][ T2442] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca2c9c150
| [  101.571800][ T2517] softirqs last disabled at (16288): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  101.571802][ T2517] Preemption disabled at:
| [  101.571803][ T2517] vprintk_emit (kernel/printk/printk.c:2471)
| [  101.571811][ T2517] Tainted: [W]=WARN
[  101.571812][ T2517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.571814][ T2517] Call Trace:
[  101.571815][ T2517]  <TASK>
[  101.571817][ T2517]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  101.571823][ T2517]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  101.571825][ T2517]  __might_resched.cold (kernel/sched/core.c:9234)
[  101.571829][ T2517]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  101.571833][ T2517]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  101.571838][ T2517]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  101.571840][ T2517]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.571846][ T2517]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  101.571849][ T2517]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  101.571853][ T2517]  put_chars (drivers/char/virtio_console.c:1176)
[  101.571856][ T2517]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  101.571857][ T2517]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  101.571860][ T2517]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.571863][ T2517]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  101.571868][ T2517]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  101.571872][ T2517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.571878][ T2517]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  101.571881][ T2517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.571885][ T2517]  console_emit_next_record (kernel/printk/printk.c:3183)
[  101.571889][ T2517]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  101.571891][ T2517]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  101.571894][ T2517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.571896][ T2517]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  101.571900][ T2517]  console_flush_one_record (kernel/printk/printk.c:3268)
[  101.571904][ T2517]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  101.571906][ T2517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.571911][ T2517]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  101.571914][ T2517]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  101.571916][ T2517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.571918][ T2517]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  101.571922][ T2517]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  101.571923][ T2517]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  101.571926][ T2517]  vprintk_emit (kernel/printk/printk.c:2479)
[  101.571929][ T2517]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  101.571931][ T2517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.571934][ T2517]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  101.571938][ T2517]  _printk (kernel/printk/printk.c:2504)
[  101.571942][ T2517]  ? snapshot_read.cold (user.c:?)
[  101.571945][ T2517]  ? br_multicast_flood (??:?)
[  101.571948][ T2517]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  101.571950][ T2517]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  101.571951][ T2517]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  101.571955][ T2517]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  101.571960][ T2517]  br_init_port (net/bridge/br_stp_if.c:39)
[  101.571962][ T2517]  new_nbp (net/bridge/br_if.c:449)
[  101.571966][ T2517]  br_add_if (net/bridge/br_if.c:592)
[  101.571968][ T2517]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  101.571975][ T2517]  do_set_master (net/core/rtnetlink.c:3071)
[  101.571979][ T2517]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  101.571982][ T2517]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  101.571984][ T2517]  ? __dev_get_by_name (net/core/dev.c:905)
[  101.571986][ T2517]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  101.571996][ T2517]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  101.572002][ T2517]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  101.572007][ T2517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  101.572009][ T2517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.572016][ T2517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.572020][ T2517]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  101.572022][ T2517]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  101.572025][ T2517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.572026][ T2517]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  101.572031][ T2517]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  101.572033][ T2517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.572036][ T2517]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  101.572040][ T2517]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.572043][ T2517]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.572049][ T2517]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  101.572051][ T2517]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  101.572056][ T2517]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.572060][ T2517]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.572066][ T2517]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  101.572070][ T2517]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  101.572073][ T2517]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  101.572075][ T2517]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  101.572081][ T2517]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  101.572084][ T2517]  ____sys_sendmsg (net/socket.c:2713)
[  101.572087][ T2517]  ? copy_msghdr_from_user (net/socket.c:2650)
[  101.572089][ T2517]  ? sock_write_iter (net/socket.c:1269)
[  101.572091][ T2517]  ? move_addr_to_kernel (net/socket.c:258)
[  101.572096][ T2517]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  101.572098][ T2517]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  101.572102][ T2517]  ___sys_sendmsg (net/socket.c:2767)
[  101.572104][ T2517]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  101.572106][ T2517]  ? copy_msghdr_from_user (net/socket.c:2619)
[  101.572109][ T2517]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  101.572123][ T2517]  __sys_sendmsg (net/socket.c:2799)
[  101.572126][ T2517]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  101.572131][ T2517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.572133][ T2517]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  101.572136][ T2517]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  101.572140][ T2517]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  101.572143][ T2517]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.572145][ T2517] RIP: 0033:0x7f257f19654e
[  101.572149][ T2517] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  101.572150][ T2517] RSP: 002b:00007fffcd482910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.572153][ T2517] RAX: ffffffffffffffda RBX: 00007fffcd4830d8 RCX: 00007f257f19654e
[  101.572154][ T2517] RDX: 0000000000000000 RSI: 00007fffcd4829c0 RDI: 0000000000000005
[  101.572155][ T2517] RBP: 00007fffcd482920 R08: 0000000000000000 R09: 0000000000000000
[  101.572156][ T2517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91258e
[  101.572157][ T2517] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcd483090
| [  102.701438][ T2555] softirqs last disabled at (36996): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  102.701441][ T2555] Preemption disabled at:
| [  102.701442][ T2555] vprintk_emit (kernel/printk/printk.c:2471)
| [  102.701450][ T2555] Tainted: [W]=WARN
[  102.701451][ T2555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.701452][ T2555] Call Trace:
[  102.701458][ T2555]  <TASK>
[  102.701459][ T2555]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.701465][ T2555]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  102.701467][ T2555]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.701472][ T2555]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.701476][ T2555]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  102.701480][ T2555]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  102.701482][ T2555]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.701489][ T2555]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  102.701492][ T2555]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.701495][ T2555]  put_chars (drivers/char/virtio_console.c:1176)
[  102.701498][ T2555]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.701504][ T2555]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.701512][ T2555]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.701515][ T2555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.701519][ T2555]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.701523][ T2555]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.701525][ T2555]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  102.701529][ T2555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.701531][ T2555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.701535][ T2555]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.701539][ T2555]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.701541][ T2555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.701547][ T2555]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.701550][ T2555]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.701551][ T2555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.701553][ T2555]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  102.701557][ T2555]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.701559][ T2555]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.701561][ T2555]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.701564][ T2555]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.701567][ T2555]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  102.701572][ T2555]  _printk (kernel/printk/printk.c:2504)
[  102.701576][ T2555]  ? snapshot_read.cold (user.c:?)
[  102.701578][ T2555]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  102.701580][ T2555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.701583][ T2555]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.701585][ T2555]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  102.701589][ T2555]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  102.701592][ T2555]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  102.701594][ T2555]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  102.701597][ T2555]  ? netdev_notice (net/core/dev.c:13194)
[  102.701600][ T2555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.701603][ T2555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.701605][ T2555]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  102.701609][ T2555]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  102.701611][ T2555]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  102.701613][ T2555]  ? register_netdev (net/core/dev.c:11618)
[  102.701614][ T2555]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  102.701620][ T2555]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  102.701622][ T2555]  ? __kernel_text_address (kernel/extable.c:79)
[  102.701625][ T2555]  ? write_profile (profile.c:?)
[  102.701629][ T2555]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  102.701634][ T2555]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  102.701637][ T2555]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  102.701639][ T2555]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  102.701641][ T2555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  102.701643][ T2555]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.701646][ T2555]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  102.701648][ T2555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.701650][ T2555]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  102.701652][ T2555]  ? kasan_save_stack (mm/kasan/common.c:58)
[  102.701654][ T2555]  ? kasan_save_stack (mm/kasan/common.c:57)
[  102.701655][ T2555]  ? kasan_save_track (mm/kasan/common.c:78)
[  102.701656][ T2555]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  102.701659][ T2555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.701661][ T2555]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  102.701664][ T2555]  ? ___sys_sendmsg (net/socket.c:2758)
[  102.701668][ T2555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.701669][ T2555]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  102.701672][ T2555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.701674][ T2555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.701675][ T2555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.701676][ T2555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.701678][ T2555]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  102.701681][ T2555]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  102.701682][ T2555]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  102.701684][ T2555]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  102.701687][ T2555]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  102.701688][ T2555]  ? nla_get_range_signed (lib/nlattr.c:270)
[  102.701693][ T2555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.701695][ T2555]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  102.701701][ T2555]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  102.701706][ T2555]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.701708][ T2555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.701712][ T2555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.701714][ T2555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.701716][ T2555]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.701718][ T2555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.701722][ T2555]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  102.701724][ T2555]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  102.701727][ T2555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.701728][ T2555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  102.701733][ T2555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  102.701735][ T2555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.701738][ T2555]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  102.701742][ T2555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.701744][ T2555]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.701751][ T2555]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  102.701753][ T2555]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  102.701757][ T2555]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.701761][ T2555]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.701764][ T2555]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.701768][ T2555]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  102.701772][ T2555]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  102.701776][ T2555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  102.701777][ T2555]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  102.701783][ T2555]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  102.701786][ T2555]  ____sys_sendmsg (net/socket.c:2713)
[  102.701788][ T2555]  ? copy_msghdr_from_user (net/socket.c:2650)
[  102.701790][ T2555]  ? sock_write_iter (net/socket.c:1269)
[  102.701792][ T2555]  ? move_addr_to_kernel (net/socket.c:258)
[  102.701799][ T2555]  ___sys_sendmsg (net/socket.c:2767)
[  102.701802][ T2555]  ? copy_msghdr_from_user (net/socket.c:2619)
[  102.701817][ T2555]  __sys_sendmsg (net/socket.c:2799)
[  102.701820][ T2555]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  102.701826][ T2555]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[  102.701829][ T2555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.701832][ T2555]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  102.701835][ T2555]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  102.701838][ T2555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.701840][ T2555] RIP: 0033:0x7f24277cb54e
[  102.701844][ T2555] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  102.701846][ T2555] RSP: 002b:00007ffd443d5be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.701848][ T2555] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f24277cb54e
[  102.701850][ T2555] RDX: 0000000000000000 RSI: 00007ffd443d5c90 RDI: 0000000000000005
[  102.701851][ T2555] RBP: 00007ffd443d5bf0 R08: 0000000000000000 R09: 0000000000000000
[  102.701852][ T2555] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912590
[  102.701853][ T2555] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd443d6350
| [  104.475647][ T2613] softirqs last disabled at (25420): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  104.475649][ T2613] Preemption disabled at:
| [  104.475650][ T2613] vprintk_emit (kernel/printk/printk.c:2471)
| [  104.475658][ T2613] Tainted: [W]=WARN
[  104.475659][ T2613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.475661][ T2613] Call Trace:
[  104.475663][ T2613]  <TASK>
[  104.475664][ T2613]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  104.475670][ T2613]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  104.475672][ T2613]  __might_resched.cold (kernel/sched/core.c:9234)
[  104.475676][ T2613]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  104.475680][ T2613]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  104.475685][ T2613]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  104.475686][ T2613]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.475693][ T2613]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  104.475696][ T2613]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.475700][ T2613]  put_chars (drivers/char/virtio_console.c:1176)
[  104.475702][ T2613]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  104.475703][ T2613]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  104.475707][ T2613]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  104.475710][ T2613]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  104.475715][ T2613]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  104.475719][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.475724][ T2613]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  104.475727][ T2613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.475732][ T2613]  console_emit_next_record (kernel/printk/printk.c:3183)
[  104.475736][ T2613]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  104.475738][ T2613]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  104.475741][ T2613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.475743][ T2613]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.475747][ T2613]  console_flush_one_record (kernel/printk/printk.c:3268)
[  104.475751][ T2613]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  104.475753][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.475758][ T2613]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  104.475761][ T2613]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  104.475763][ T2613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.475764][ T2613]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  104.475768][ T2613]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  104.475770][ T2613]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  104.475772][ T2613]  vprintk_emit (kernel/printk/printk.c:2479)
[  104.475776][ T2613]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  104.475777][ T2613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.475780][ T2613]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  104.475784][ T2613]  _printk (kernel/printk/printk.c:2504)
[  104.475787][ T2613]  ? snapshot_read.cold (user.c:?)
[  104.475791][ T2613]  ? br_multicast_flood (??:?)
[  104.475794][ T2613]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  104.475795][ T2613]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  104.475796][ T2613]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  104.475800][ T2613]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  104.475805][ T2613]  br_init_port (net/bridge/br_stp_if.c:39)
[  104.475807][ T2613]  new_nbp (net/bridge/br_if.c:449)
[  104.475811][ T2613]  br_add_if (net/bridge/br_if.c:592)
[  104.475813][ T2613]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  104.475821][ T2613]  do_set_master (net/core/rtnetlink.c:3071)
[  104.475824][ T2613]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  104.475828][ T2613]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  104.475829][ T2613]  ? __dev_get_by_name (net/core/dev.c:905)
[  104.475831][ T2613]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  104.475841][ T2613]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  104.475847][ T2613]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  104.475853][ T2613]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.475855][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.475861][ T2613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.475865][ T2613]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.475867][ T2613]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.475870][ T2613]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.475872][ T2613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  104.475876][ T2613]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  104.475878][ T2613]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.475882][ T2613]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.475885][ T2613]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.475888][ T2613]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  104.475894][ T2613]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  104.475896][ T2613]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  104.475901][ T2613]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.475905][ T2613]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  104.475911][ T2613]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.475915][ T2613]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  104.475918][ T2613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  104.475920][ T2613]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  104.475926][ T2613]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  104.475929][ T2613]  ____sys_sendmsg (net/socket.c:2713)
[  104.475932][ T2613]  ? copy_msghdr_from_user (net/socket.c:2650)
[  104.475934][ T2613]  ? sock_write_iter (net/socket.c:1269)
[  104.475936][ T2613]  ? move_addr_to_kernel (net/socket.c:258)
[  104.475940][ T2613]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  104.475943][ T2613]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  104.475947][ T2613]  ___sys_sendmsg (net/socket.c:2767)
[  104.475948][ T2613]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  104.475951][ T2613]  ? copy_msghdr_from_user (net/socket.c:2619)
[  104.475953][ T2613]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  104.475968][ T2613]  __sys_sendmsg (net/socket.c:2799)
[  104.475970][ T2613]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  104.475976][ T2613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.475978][ T2613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.475981][ T2613]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.475984][ T2613]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  104.475987][ T2613]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.475990][ T2613] RIP: 0033:0x7fe5d933554e
[  104.475993][ T2613] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  104.475995][ T2613] RSP: 002b:00007fffab398540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  104.475998][ T2613] RAX: ffffffffffffffda RBX: 00007fffab398d08 RCX: 00007fe5d933554e
[  104.475999][ T2613] RDX: 0000000000000000 RSI: 00007fffab3985f0 RDI: 0000000000000005
[  104.476000][ T2613] RBP: 00007fffab398550 R08: 0000000000000000 R09: 0000000000000000
[  104.476001][ T2613] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912591
[  104.476002][ T2613] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffab398cc0
| [  111.428150][   T71] softirqs last disabled at (1898582): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  111.428152][   T71] Preemption disabled at:
| [  111.428153][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  111.428161][   T71] Tainted: [W]=WARN
[  111.428162][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.428164][   T71] Workqueue: netns cleanup_net
[  111.428167][   T71] Call Trace:
[  111.428169][   T71]  <TASK>
[  111.428171][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  111.428177][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  111.428179][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  111.428183][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  111.428187][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  111.428191][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  111.428197][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.428204][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  111.428206][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.428210][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  111.428213][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  111.428214][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  111.428218][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  111.428220][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  111.428225][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  111.428229][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.428235][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  111.428238][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.428243][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  111.428247][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  111.428249][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  111.428252][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.428254][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.428258][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  111.428262][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  111.428264][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.428269][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  111.428272][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  111.428274][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.428276][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  111.428280][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  111.428281][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  111.428284][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  111.428287][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  111.428289][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  111.428291][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  111.428292][   T71]  ? kthread (kernel/kthread.c:436)
[  111.428295][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  111.428298][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  111.428302][   T71]  _printk (kernel/printk/printk.c:2504)
[  111.428306][   T71]  ? snapshot_read.cold (user.c:?)
[  111.428310][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  111.428314][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  111.428318][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  111.428321][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  111.428325][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.428327][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  111.428330][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  111.428332][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  111.428334][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  111.428338][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  111.428342][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  111.428348][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  111.428352][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  111.428355][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  111.428359][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  111.428362][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  111.428364][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.428367][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.428372][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  111.428375][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.428379][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.428381][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.428384][   T71]  process_one_work (kernel/workqueue.c:3387)
[  111.428391][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  111.428394][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  111.428401][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  111.428405][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  111.428407][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  111.428410][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  111.428413][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  111.428415][   T71]  kthread (kernel/kthread.c:436)
[  111.428417][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.428420][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  111.428423][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.428426][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  111.428429][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.428433][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  111.428436][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  112.575009][ T2761] softirqs last disabled at (22824): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  112.575011][ T2761] Preemption disabled at:
| [  112.575012][ T2761] vprintk_emit (kernel/printk/printk.c:2471)
| [  112.575020][ T2761] Tainted: [W]=WARN
[  112.575021][ T2761] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.575023][ T2761] Call Trace:
[  112.575025][ T2761]  <TASK>
[  112.575026][ T2761]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  112.575032][ T2761]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  112.575033][ T2761]  __might_resched.cold (kernel/sched/core.c:9234)
[  112.575038][ T2761]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  112.575042][ T2761]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  112.575046][ T2761]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  112.575048][ T2761]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.575054][ T2761]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  112.575057][ T2761]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.575060][ T2761]  put_chars (drivers/char/virtio_console.c:1176)
[  112.575063][ T2761]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  112.575069][ T2761]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  112.575076][ T2761]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  112.575079][ T2761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.575084][ T2761]  console_emit_next_record (kernel/printk/printk.c:3183)
[  112.575088][ T2761]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  112.575090][ T2761]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  112.575093][ T2761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.575095][ T2761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.575099][ T2761]  console_flush_one_record (kernel/printk/printk.c:3268)
[  112.575104][ T2761]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  112.575106][ T2761]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.575111][ T2761]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  112.575114][ T2761]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  112.575115][ T2761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.575117][ T2761]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  112.575121][ T2761]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  112.575122][ T2761]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  112.575125][ T2761]  vprintk_emit (kernel/printk/printk.c:2479)
[  112.575128][ T2761]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  112.575131][ T2761]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  112.575136][ T2761]  _printk (kernel/printk/printk.c:2504)
[  112.575139][ T2761]  ? snapshot_read.cold (user.c:?)
[  112.575141][ T2761]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  112.575144][ T2761]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  112.575146][ T2761]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  112.575148][ T2761]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  112.575152][ T2761]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  112.575155][ T2761]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  112.575157][ T2761]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  112.575160][ T2761]  ? netdev_notice (net/core/dev.c:13194)
[  112.575162][ T2761]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.575166][ T2761]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.575168][ T2761]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  112.575171][ T2761]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  112.575173][ T2761]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  112.575176][ T2761]  ? register_netdev (net/core/dev.c:11618)
[  112.575177][ T2761]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  112.575182][ T2761]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  112.575185][ T2761]  ? __kernel_text_address (kernel/extable.c:79)
[  112.575188][ T2761]  ? write_profile (profile.c:?)
[  112.575192][ T2761]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  112.575200][ T2761]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  112.575204][ T2761]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  112.575206][ T2761]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  112.575207][ T2761]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  112.575209][ T2761]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  112.575212][ T2761]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  112.575214][ T2761]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  112.575216][ T2761]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  112.575218][ T2761]  ? kasan_save_stack (mm/kasan/common.c:58)
[  112.575220][ T2761]  ? kasan_save_stack (mm/kasan/common.c:57)
[  112.575221][ T2761]  ? kasan_save_track (mm/kasan/common.c:78)
[  112.575223][ T2761]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  112.575225][ T2761]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.575227][ T2761]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  112.575230][ T2761]  ? ___sys_sendmsg (net/socket.c:2758)
[  112.575234][ T2761]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  112.575236][ T2761]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  112.575238][ T2761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.575240][ T2761]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.575242][ T2761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.575243][ T2761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.575244][ T2761]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  112.575247][ T2761]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  112.575248][ T2761]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  112.575250][ T2761]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  112.575253][ T2761]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  112.575254][ T2761]  ? nla_get_range_signed (lib/nlattr.c:270)
[  112.575259][ T2761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.575261][ T2761]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  112.575266][ T2761]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  112.575271][ T2761]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.575273][ T2761]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.575278][ T2761]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  112.575280][ T2761]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.575282][ T2761]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.575283][ T2761]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.575287][ T2761]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.575289][ T2761]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  112.575292][ T2761]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.575294][ T2761]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.575298][ T2761]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  112.575300][ T2761]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.575303][ T2761]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  112.575306][ T2761]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.575309][ T2761]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  112.575315][ T2761]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  112.575317][ T2761]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  112.575322][ T2761]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  112.575326][ T2761]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  112.575328][ T2761]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.575332][ T2761]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  112.575336][ T2761]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  112.575340][ T2761]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.575342][ T2761]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  112.575347][ T2761]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  112.575349][ T2761]  ____sys_sendmsg (net/socket.c:2713)
[  112.575352][ T2761]  ? copy_msghdr_from_user (net/socket.c:2650)
[  112.575354][ T2761]  ? sock_write_iter (net/socket.c:1269)
[  112.575355][ T2761]  ? move_addr_to_kernel (net/socket.c:258)
[  112.575363][ T2761]  ___sys_sendmsg (net/socket.c:2767)
[  112.575365][ T2761]  ? copy_msghdr_from_user (net/socket.c:2619)
[  112.575381][ T2761]  __sys_sendmsg (net/socket.c:2799)
[  112.575383][ T2761]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  112.575389][ T2761]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.575392][ T2761]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  112.575395][ T2761]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  112.575398][ T2761]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.575400][ T2761] RIP: 0033:0x7fba3d73b54e
[  112.575404][ T2761] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  112.575406][ T2761] RSP: 002b:00007ffce88959b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  112.575408][ T2761] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fba3d73b54e
[  112.575410][ T2761] RDX: 0000000000000000 RSI: 00007ffce8895a60 RDI: 0000000000000005
[  112.575411][ T2761] RBP: 00007ffce88959c0 R08: 0000000000000000 R09: 0000000000000000
[  112.575412][ T2761] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912599
[  112.575412][ T2761] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce8896120
| [  114.422207][ T2836] softirqs last disabled at (24612): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  114.422210][ T2836] Preemption disabled at:
| [  114.422210][ T2836] vprintk_emit (kernel/printk/printk.c:2471)
| [  114.422218][ T2836] Tainted: [W]=WARN
[  114.422219][ T2836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.422221][ T2836] Call Trace:
[  114.422222][ T2836]  <TASK>
[  114.422224][ T2836]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  114.422230][ T2836]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  114.422232][ T2836]  __might_resched.cold (kernel/sched/core.c:9234)
[  114.422236][ T2836]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  114.422241][ T2836]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  114.422245][ T2836]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  114.422247][ T2836]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.422254][ T2836]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  114.422257][ T2836]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.422260][ T2836]  put_chars (drivers/char/virtio_console.c:1176)
[  114.422263][ T2836]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  114.422264][ T2836]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  114.422268][ T2836]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  114.422271][ T2836]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  114.422275][ T2836]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  114.422279][ T2836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.422284][ T2836]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  114.422288][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.422292][ T2836]  console_emit_next_record (kernel/printk/printk.c:3183)
[  114.422296][ T2836]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  114.422298][ T2836]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  114.422301][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.422303][ T2836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.422307][ T2836]  console_flush_one_record (kernel/printk/printk.c:3268)
[  114.422312][ T2836]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  114.422314][ T2836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.422319][ T2836]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  114.422322][ T2836]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  114.422324][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.422326][ T2836]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  114.422329][ T2836]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  114.422331][ T2836]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  114.422334][ T2836]  vprintk_emit (kernel/printk/printk.c:2479)
[  114.422337][ T2836]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  114.422339][ T2836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.422342][ T2836]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  114.422345][ T2836]  _printk (kernel/printk/printk.c:2504)
[  114.422349][ T2836]  ? snapshot_read.cold (user.c:?)
[  114.422353][ T2836]  ? br_multicast_flood (??:?)
[  114.422356][ T2836]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  114.422357][ T2836]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  114.422358][ T2836]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  114.422362][ T2836]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  114.422367][ T2836]  br_init_port (net/bridge/br_stp_if.c:39)
[  114.422369][ T2836]  new_nbp (net/bridge/br_if.c:449)
[  114.422373][ T2836]  br_add_if (net/bridge/br_if.c:592)
[  114.422375][ T2836]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  114.422383][ T2836]  do_set_master (net/core/rtnetlink.c:3071)
[  114.422386][ T2836]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  114.422390][ T2836]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  114.422392][ T2836]  ? __dev_get_by_name (net/core/dev.c:905)
[  114.422394][ T2836]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  114.422403][ T2836]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  114.422409][ T2836]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  114.422415][ T2836]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  114.422417][ T2836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.422424][ T2836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.422427][ T2836]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  114.422429][ T2836]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  114.422432][ T2836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.422434][ T2836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.422438][ T2836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  114.422440][ T2836]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.422444][ T2836]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  114.422447][ T2836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.422450][ T2836]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  114.422456][ T2836]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  114.422458][ T2836]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  114.422463][ T2836]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.422467][ T2836]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  114.422473][ T2836]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  114.422477][ T2836]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  114.422481][ T2836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.422482][ T2836]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  114.422488][ T2836]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  114.422492][ T2836]  ____sys_sendmsg (net/socket.c:2713)
[  114.422494][ T2836]  ? copy_msghdr_from_user (net/socket.c:2650)
[  114.422497][ T2836]  ? sock_write_iter (net/socket.c:1269)
[  114.422498][ T2836]  ? move_addr_to_kernel (net/socket.c:258)
[  114.422503][ T2836]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  114.422505][ T2836]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.422509][ T2836]  ___sys_sendmsg (net/socket.c:2767)
[  114.422511][ T2836]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  114.422513][ T2836]  ? copy_msghdr_from_user (net/socket.c:2619)
[  114.422516][ T2836]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  114.422534][ T2836]  __sys_sendmsg (net/socket.c:2799)
[  114.422537][ T2836]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  114.422543][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.422545][ T2836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.422548][ T2836]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.422551][ T2836]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  114.422554][ T2836]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.422556][ T2836] RIP: 0033:0x7f4004e9754e
[  114.422560][ T2836] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  114.422562][ T2836] RSP: 002b:00007ffc133688b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  114.422565][ T2836] RAX: ffffffffffffffda RBX: 00007ffc13369078 RCX: 00007f4004e9754e
[  114.422566][ T2836] RDX: 0000000000000000 RSI: 00007ffc13368960 RDI: 0000000000000005
[  114.422567][ T2836] RBP: 00007ffc133688c0 R08: 0000000000000000 R09: 0000000000000000
[  114.422568][ T2836] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91259b
[  114.422569][ T2836] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc13369030
| [  115.553230][ T2874] softirqs last disabled at (21218): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  115.553232][ T2874] Preemption disabled at:
| [  115.553233][ T2874] vprintk_emit (kernel/printk/printk.c:2471)
| [  115.553242][ T2874] Tainted: [W]=WARN
[  115.553243][ T2874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  115.553244][ T2874] Call Trace:
[  115.553246][ T2874]  <TASK>
[  115.553248][ T2874]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  115.553253][ T2874]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  115.553255][ T2874]  __might_resched.cold (kernel/sched/core.c:9234)
[  115.553260][ T2874]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  115.553264][ T2874]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  115.553269][ T2874]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  115.553271][ T2874]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  115.553278][ T2874]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  115.553280][ T2874]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  115.553284][ T2874]  put_chars (drivers/char/virtio_console.c:1176)
[  115.553287][ T2874]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  115.553293][ T2874]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  115.553301][ T2874]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  115.553304][ T2874]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.553309][ T2874]  console_emit_next_record (kernel/printk/printk.c:3183)
[  115.553313][ T2874]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  115.553315][ T2874]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  115.553318][ T2874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.553321][ T2874]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.553325][ T2874]  console_flush_one_record (kernel/printk/printk.c:3268)
[  115.553329][ T2874]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  115.553331][ T2874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.553337][ T2874]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  115.553339][ T2874]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  115.553341][ T2874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.553343][ T2874]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  115.553347][ T2874]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  115.553349][ T2874]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  115.553352][ T2874]  vprintk_emit (kernel/printk/printk.c:2479)
[  115.553355][ T2874]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  115.553358][ T2874]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  115.553363][ T2874]  _printk (kernel/printk/printk.c:2504)
[  115.553366][ T2874]  ? snapshot_read.cold (user.c:?)
[  115.553368][ T2874]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  115.553371][ T2874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  115.553374][ T2874]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  115.553376][ T2874]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  115.553380][ T2874]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  115.553383][ T2874]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  115.553385][ T2874]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  115.553388][ T2874]  ? netdev_notice (net/core/dev.c:13194)
[  115.553391][ T2874]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  115.553394][ T2874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  115.553396][ T2874]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  115.553400][ T2874]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  115.553403][ T2874]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  115.553405][ T2874]  ? register_netdev (net/core/dev.c:11618)
[  115.553406][ T2874]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  115.553412][ T2874]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  115.553415][ T2874]  ? __kernel_text_address (kernel/extable.c:79)
[  115.553417][ T2874]  ? write_profile (profile.c:?)
[  115.553421][ T2874]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  115.553427][ T2874]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  115.553431][ T2874]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  115.553433][ T2874]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  115.553434][ T2874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  115.553436][ T2874]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  115.553439][ T2874]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  115.553441][ T2874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  115.553443][ T2874]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  115.553446][ T2874]  ? kasan_save_stack (mm/kasan/common.c:58)
[  115.553448][ T2874]  ? kasan_save_stack (mm/kasan/common.c:57)
[  115.553449][ T2874]  ? kasan_save_track (mm/kasan/common.c:78)
[  115.553450][ T2874]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  115.553453][ T2874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.553455][ T2874]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  115.553458][ T2874]  ? ___sys_sendmsg (net/socket.c:2758)
[  115.553462][ T2874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  115.553464][ T2874]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  115.553467][ T2874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.553469][ T2874]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.553470][ T2874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.553471][ T2874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.553473][ T2874]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  115.553475][ T2874]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  115.553477][ T2874]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  115.553478][ T2874]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  115.553482][ T2874]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  115.553483][ T2874]  ? nla_get_range_signed (lib/nlattr.c:270)
[  115.553488][ T2874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.553490][ T2874]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  115.553496][ T2874]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  115.553501][ T2874]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  115.553503][ T2874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.553508][ T2874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  115.553510][ T2874]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  115.553512][ T2874]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  115.553514][ T2874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  115.553518][ T2874]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  115.553520][ T2874]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  115.553523][ T2874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  115.553524][ T2874]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  115.553535][ T2874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  115.553537][ T2874]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  115.553541][ T2874]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  115.553544][ T2874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  115.553547][ T2874]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  115.553554][ T2874]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  115.553555][ T2874]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  115.553560][ T2874]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  115.553564][ T2874]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  115.553567][ T2874]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  115.553571][ T2874]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  115.553575][ T2874]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  115.553579][ T2874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  115.553581][ T2874]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  115.553586][ T2874]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  115.553589][ T2874]  ____sys_sendmsg (net/socket.c:2713)
[  115.553591][ T2874]  ? copy_msghdr_from_user (net/socket.c:2650)
[  115.553594][ T2874]  ? sock_write_iter (net/socket.c:1269)
[  115.553595][ T2874]  ? move_addr_to_kernel (net/socket.c:258)
[  115.553602][ T2874]  ___sys_sendmsg (net/socket.c:2767)
[  115.553605][ T2874]  ? copy_msghdr_from_user (net/socket.c:2619)
[  115.553621][ T2874]  __sys_sendmsg (net/socket.c:2799)
[  115.553624][ T2874]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  115.553631][ T2874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.553634][ T2874]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  115.553637][ T2874]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  115.553640][ T2874]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  115.553642][ T2874] RIP: 0033:0x7f7440a3b54e
[  115.553646][ T2874] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  115.553648][ T2874] RSP: 002b:00007ffee8f27db0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  115.553651][ T2874] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7440a3b54e
[  115.553652][ T2874] RDX: 0000000000000000 RSI: 00007ffee8f27e60 RDI: 0000000000000005
[  115.553653][ T2874] RBP: 00007ffee8f27dc0 R08: 0000000000000000 R09: 0000000000000000
[  115.553654][ T2874] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91259c
[  115.553655][ T2874] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee8f28520
| [  117.368192][ T2932] softirqs last disabled at (24164): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  117.368194][ T2932] Preemption disabled at:
| [  117.368194][ T2932] vprintk_emit (kernel/printk/printk.c:2471)
| [  117.368205][ T2932] Tainted: [W]=WARN
[  117.368206][ T2932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.368208][ T2932] Call Trace:
[  117.368210][ T2932]  <TASK>
[  117.368211][ T2932]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  117.368217][ T2932]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  117.368219][ T2932]  __might_resched.cold (kernel/sched/core.c:9234)
[  117.368224][ T2932]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  117.368228][ T2932]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  117.368232][ T2932]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  117.368234][ T2932]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.368240][ T2932]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  117.368243][ T2932]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.368247][ T2932]  put_chars (drivers/char/virtio_console.c:1176)
[  117.368250][ T2932]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  117.368251][ T2932]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  117.368254][ T2932]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  117.368257][ T2932]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  117.368262][ T2932]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  117.368267][ T2932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.368272][ T2932]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  117.368275][ T2932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.368279][ T2932]  console_emit_next_record (kernel/printk/printk.c:3183)
[  117.368283][ T2932]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  117.368285][ T2932]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  117.368288][ T2932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.368290][ T2932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.368294][ T2932]  console_flush_one_record (kernel/printk/printk.c:3268)
[  117.368298][ T2932]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  117.368301][ T2932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.368306][ T2932]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  117.368309][ T2932]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  117.368310][ T2932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.368312][ T2932]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  117.368316][ T2932]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  117.368318][ T2932]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  117.368321][ T2932]  vprintk_emit (kernel/printk/printk.c:2479)
[  117.368324][ T2932]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  117.368326][ T2932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.368328][ T2932]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  117.368332][ T2932]  _printk (kernel/printk/printk.c:2504)
[  117.368336][ T2932]  ? snapshot_read.cold (user.c:?)
[  117.368339][ T2932]  ? br_multicast_flood (??:?)
[  117.368342][ T2932]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  117.368343][ T2932]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  117.368345][ T2932]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  117.368349][ T2932]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  117.368353][ T2932]  br_init_port (net/bridge/br_stp_if.c:39)
[  117.368356][ T2932]  new_nbp (net/bridge/br_if.c:449)
[  117.368359][ T2932]  br_add_if (net/bridge/br_if.c:592)
[  117.368361][ T2932]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  117.368369][ T2932]  do_set_master (net/core/rtnetlink.c:3071)
[  117.368373][ T2932]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  117.368376][ T2932]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  117.368378][ T2932]  ? __dev_get_by_name (net/core/dev.c:905)
[  117.368380][ T2932]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  117.368389][ T2932]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  117.368396][ T2932]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  117.368401][ T2932]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  117.368403][ T2932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.368410][ T2932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.368414][ T2932]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  117.368416][ T2932]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  117.368419][ T2932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.368420][ T2932]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  117.368425][ T2932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  117.368427][ T2932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  117.368430][ T2932]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  117.368433][ T2932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.368436][ T2932]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  117.368443][ T2932]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  117.368445][ T2932]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  117.368449][ T2932]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.368453][ T2932]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  117.368459][ T2932]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  117.368463][ T2932]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  117.368467][ T2932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  117.368468][ T2932]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  117.368474][ T2932]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  117.368478][ T2932]  ____sys_sendmsg (net/socket.c:2713)
[  117.368480][ T2932]  ? copy_msghdr_from_user (net/socket.c:2650)
[  117.368482][ T2932]  ? sock_write_iter (net/socket.c:1269)
[  117.368484][ T2932]  ? move_addr_to_kernel (net/socket.c:258)
[  117.368489][ T2932]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  117.368491][ T2932]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  117.368495][ T2932]  ___sys_sendmsg (net/socket.c:2767)
[  117.368497][ T2932]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  117.368499][ T2932]  ? copy_msghdr_from_user (net/socket.c:2619)
[  117.368502][ T2932]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  117.368517][ T2932]  __sys_sendmsg (net/socket.c:2799)
[  117.368520][ T2932]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  117.368525][ T2932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.368527][ T2932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.368530][ T2932]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.368534][ T2932]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  117.368536][ T2932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.368539][ T2932] RIP: 0033:0x7f570daf054e
[  117.368546][ T2932] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  117.368548][ T2932] RSP: 002b:00007ffc54a0ee80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  117.368550][ T2932] RAX: ffffffffffffffda RBX: 00007ffc54a0f648 RCX: 00007f570daf054e
[  117.368552][ T2932] RDX: 0000000000000000 RSI: 00007ffc54a0ef30 RDI: 0000000000000005
[  117.368553][ T2932] RBP: 00007ffc54a0ee90 R08: 0000000000000000 R09: 0000000000000000
[  117.368553][ T2932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91259e
[  117.368554][ T2932] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc54a0f600
| [  125.378470][   T71] softirqs last disabled at (2166901): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  125.378472][   T71] Preemption disabled at:
| [  125.378473][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  125.378481][   T71] Tainted: [W]=WARN
[  125.378482][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  125.378484][   T71] Workqueue: netns cleanup_net
[  125.378488][   T71] Call Trace:
[  125.378489][   T71]  <TASK>
[  125.378492][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  125.378497][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  125.378499][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  125.378503][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  125.378507][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  125.378512][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  125.378514][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.378521][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  125.378524][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.378527][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  125.378530][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  125.378531][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  125.378535][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  125.378538][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  125.378543][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  125.378547][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.378552][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  125.378556][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.378561][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  125.378565][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  125.378567][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  125.378570][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.378572][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.378576][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  125.378581][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  125.378583][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.378588][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  125.378591][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  125.378593][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.378595][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  125.378607][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  125.378609][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  125.378612][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  125.378615][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  125.378616][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  125.378618][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  125.378620][   T71]  ? kthread (kernel/kthread.c:436)
[  125.378623][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  125.378626][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  125.378630][   T71]  _printk (kernel/printk/printk.c:2504)
[  125.378634][   T71]  ? snapshot_read.cold (user.c:?)
[  125.378639][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  125.378642][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  125.378646][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  125.378649][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  125.378654][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.378656][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  125.378658][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  125.378661][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  125.378663][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  125.378667][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  125.378671][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  125.378678][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  125.378681][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  125.378685][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  125.378689][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  125.378692][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  125.378694][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  125.378697][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  125.378702][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  125.378705][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  125.378709][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.378711][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.378715][   T71]  process_one_work (kernel/workqueue.c:3387)
[  125.378722][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  125.378725][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  125.378733][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  125.378737][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  125.378739][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  125.378742][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  125.378745][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  125.378747][   T71]  kthread (kernel/kthread.c:436)
[  125.378749][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  125.378753][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  125.378756][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  125.378759][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  125.378762][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  125.378766][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  125.378769][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  126.588312][ T3147] softirqs last disabled at (34322): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  126.588315][ T3147] Preemption disabled at:
| [  126.588316][ T3147] vprintk_emit (kernel/printk/printk.c:2471)
| [  126.588324][ T3147] Tainted: [W]=WARN
[  126.588325][ T3147] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.588326][ T3147] Call Trace:
[  126.588328][ T3147]  <TASK>
[  126.588330][ T3147]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.588336][ T3147]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  126.588337][ T3147]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.588342][ T3147]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.588346][ T3147]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  126.588350][ T3147]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  126.588352][ T3147]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.588359][ T3147]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  126.588362][ T3147]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.588365][ T3147]  put_chars (drivers/char/virtio_console.c:1176)
[  126.588368][ T3147]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.588374][ T3147]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.588382][ T3147]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.588385][ T3147]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.588390][ T3147]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.588394][ T3147]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.588396][ T3147]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  126.588399][ T3147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.588402][ T3147]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.588406][ T3147]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.588410][ T3147]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.588412][ T3147]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.588418][ T3147]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.588421][ T3147]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.588422][ T3147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.588424][ T3147]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  126.588428][ T3147]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.588430][ T3147]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.588433][ T3147]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.588436][ T3147]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.588439][ T3147]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  126.588444][ T3147]  _printk (kernel/printk/printk.c:2504)
[  126.588447][ T3147]  ? snapshot_read.cold (user.c:?)
[  126.588449][ T3147]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  126.588452][ T3147]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  126.588455][ T3147]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  126.588457][ T3147]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  126.588461][ T3147]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  126.588464][ T3147]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.588466][ T3147]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  126.588469][ T3147]  ? netdev_notice (net/core/dev.c:13194)
[  126.588472][ T3147]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.588475][ T3147]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.588477][ T3147]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  126.588481][ T3147]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.588483][ T3147]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  126.588485][ T3147]  ? register_netdev (net/core/dev.c:11618)
[  126.588487][ T3147]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  126.588492][ T3147]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  126.588495][ T3147]  ? __kernel_text_address (kernel/extable.c:79)
[  126.588497][ T3147]  ? write_profile (profile.c:?)
[  126.588502][ T3147]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  126.588507][ T3147]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.588511][ T3147]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  126.588513][ T3147]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  126.588514][ T3147]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  126.588516][ T3147]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  126.588520][ T3147]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  126.588522][ T3147]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  126.588524][ T3147]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  126.588526][ T3147]  ? kasan_save_stack (mm/kasan/common.c:58)
[  126.588528][ T3147]  ? kasan_save_stack (mm/kasan/common.c:57)
[  126.588529][ T3147]  ? kasan_save_track (mm/kasan/common.c:78)
[  126.588531][ T3147]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  126.588533][ T3147]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.588535][ T3147]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  126.588538][ T3147]  ? ___sys_sendmsg (net/socket.c:2758)
[  126.588542][ T3147]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.588544][ T3147]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.588547][ T3147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.588549][ T3147]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.588550][ T3147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.588551][ T3147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.588553][ T3147]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  126.588555][ T3147]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  126.588557][ T3147]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  126.588559][ T3147]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.588562][ T3147]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  126.588563][ T3147]  ? nla_get_range_signed (lib/nlattr.c:270)
[  126.588568][ T3147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.588570][ T3147]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  126.588575][ T3147]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  126.588581][ T3147]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.588583][ T3147]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.588587][ T3147]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.588589][ T3147]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.588591][ T3147]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.588593][ T3147]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.588597][ T3147]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.588599][ T3147]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  126.588602][ T3147]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.588603][ T3147]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.588611][ T3147]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.588613][ T3147]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.588617][ T3147]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.588620][ T3147]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.588623][ T3147]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.588629][ T3147]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  126.588632][ T3147]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  126.588636][ T3147]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.588640][ T3147]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.588643][ T3147]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.588647][ T3147]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.588651][ T3147]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.588655][ T3147]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.588657][ T3147]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  126.588662][ T3147]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  126.588665][ T3147]  ____sys_sendmsg (net/socket.c:2713)
[  126.588667][ T3147]  ? copy_msghdr_from_user (net/socket.c:2650)
[  126.588669][ T3147]  ? sock_write_iter (net/socket.c:1269)
[  126.588671][ T3147]  ? move_addr_to_kernel (net/socket.c:258)
[  126.588679][ T3147]  ___sys_sendmsg (net/socket.c:2767)
[  126.588681][ T3147]  ? copy_msghdr_from_user (net/socket.c:2619)
[  126.588697][ T3147]  __sys_sendmsg (net/socket.c:2799)
[  126.588700][ T3147]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  126.588707][ T3147]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.588710][ T3147]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.588713][ T3147]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.588716][ T3147]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.588718][ T3147] RIP: 0033:0x7f2e685dc54e
[  126.588722][ T3147] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  126.588724][ T3147] RSP: 002b:00007ffc3530d0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  126.588726][ T3147] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2e685dc54e
[  126.588728][ T3147] RDX: 0000000000000000 RSI: 00007ffc3530d180 RDI: 0000000000000005
[  126.588729][ T3147] RBP: 00007ffc3530d0e0 R08: 0000000000000000 R09: 0000000000000000
[  126.588730][ T3147] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125a7
[  126.588731][ T3147] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3530d840
| [  128.400615][ T3221] softirqs last disabled at (24678): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  128.400617][ T3221] Preemption disabled at:
| [  128.400617][ T3221] vprintk_emit (kernel/printk/printk.c:2471)
| [  128.400629][ T3221] Tainted: [W]=WARN
[  128.400630][ T3221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  128.400632][ T3221] Call Trace:
[  128.400634][ T3221]  <TASK>
[  128.400635][ T3221]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  128.400641][ T3221]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  128.400643][ T3221]  __might_resched.cold (kernel/sched/core.c:9234)
[  128.400647][ T3221]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  128.400652][ T3221]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  128.400656][ T3221]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  128.400658][ T3221]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.400664][ T3221]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  128.400667][ T3221]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.400671][ T3221]  put_chars (drivers/char/virtio_console.c:1176)
[  128.400674][ T3221]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  128.400675][ T3221]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  128.400678][ T3221]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  128.400681][ T3221]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  128.400686][ T3221]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  128.400690][ T3221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.400695][ T3221]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  128.400698][ T3221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.400703][ T3221]  console_emit_next_record (kernel/printk/printk.c:3183)
[  128.400707][ T3221]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  128.400709][ T3221]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  128.400712][ T3221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.400714][ T3221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.400717][ T3221]  console_flush_one_record (kernel/printk/printk.c:3268)
[  128.400722][ T3221]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  128.400724][ T3221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.400729][ T3221]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  128.400732][ T3221]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  128.400734][ T3221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.400735][ T3221]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  128.400739][ T3221]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  128.400741][ T3221]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  128.400743][ T3221]  vprintk_emit (kernel/printk/printk.c:2479)
[  128.400747][ T3221]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  128.400748][ T3221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.400751][ T3221]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  128.400755][ T3221]  _printk (kernel/printk/printk.c:2504)
[  128.400758][ T3221]  ? snapshot_read.cold (user.c:?)
[  128.400762][ T3221]  ? br_multicast_flood (??:?)
[  128.400765][ T3221]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  128.400766][ T3221]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  128.400767][ T3221]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  128.400772][ T3221]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  128.400776][ T3221]  br_init_port (net/bridge/br_stp_if.c:39)
[  128.400778][ T3221]  new_nbp (net/bridge/br_if.c:449)
[  128.400782][ T3221]  br_add_if (net/bridge/br_if.c:592)
[  128.400784][ T3221]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  128.400792][ T3221]  do_set_master (net/core/rtnetlink.c:3071)
[  128.400795][ T3221]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  128.400799][ T3221]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  128.400800][ T3221]  ? __dev_get_by_name (net/core/dev.c:905)
[  128.400803][ T3221]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  128.400812][ T3221]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  128.400818][ T3221]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  128.400824][ T3221]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  128.400826][ T3221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.400832][ T3221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.400836][ T3221]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  128.400838][ T3221]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  128.400841][ T3221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  128.400843][ T3221]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.400847][ T3221]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  128.400849][ T3221]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  128.400853][ T3221]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  128.400856][ T3221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  128.400859][ T3221]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  128.400865][ T3221]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  128.400867][ T3221]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  128.400872][ T3221]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  128.400876][ T3221]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  128.400881][ T3221]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  128.400885][ T3221]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  128.400889][ T3221]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.400891][ T3221]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  128.400896][ T3221]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  128.400900][ T3221]  ____sys_sendmsg (net/socket.c:2713)
[  128.400902][ T3221]  ? copy_msghdr_from_user (net/socket.c:2650)
[  128.400905][ T3221]  ? sock_write_iter (net/socket.c:1269)
[  128.400906][ T3221]  ? move_addr_to_kernel (net/socket.c:258)
[  128.400911][ T3221]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  128.400913][ T3221]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  128.400917][ T3221]  ___sys_sendmsg (net/socket.c:2767)
[  128.400918][ T3221]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  128.400921][ T3221]  ? copy_msghdr_from_user (net/socket.c:2619)
[  128.400923][ T3221]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  128.400938][ T3221]  __sys_sendmsg (net/socket.c:2799)
[  128.400941][ T3221]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  128.400946][ T3221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.400948][ T3221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.400951][ T3221]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  128.400954][ T3221]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  128.400957][ T3221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  128.400959][ T3221] RIP: 0033:0x7fbf949f754e
[  128.400963][ T3221] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  128.400965][ T3221] RSP: 002b:00007ffffed1a230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  128.400968][ T3221] RAX: ffffffffffffffda RBX: 00007ffffed1a9f8 RCX: 00007fbf949f754e
[  128.400969][ T3221] RDX: 0000000000000000 RSI: 00007ffffed1a2e0 RDI: 0000000000000005
[  128.400970][ T3221] RBP: 00007ffffed1a240 R08: 0000000000000000 R09: 0000000000000000
[  128.400971][ T3221] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125a9
[  128.400972][ T3221] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffed1a9b0
| [  129.522715][ T3258] softirqs last disabled at (22968): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  129.522718][ T3258] Preemption disabled at:
| [  129.522718][ T3258] vprintk_emit (kernel/printk/printk.c:2471)
| [  129.522727][ T3258] Tainted: [W]=WARN
[  129.522728][ T3258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  129.522729][ T3258] Call Trace:
[  129.522731][ T3258]  <TASK>
[  129.522733][ T3258]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  129.522739][ T3258]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  129.522740][ T3258]  __might_resched.cold (kernel/sched/core.c:9234)
[  129.522745][ T3258]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  129.522749][ T3258]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  129.522753][ T3258]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  129.522755][ T3258]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.522762][ T3258]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  129.522764][ T3258]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.522768][ T3258]  put_chars (drivers/char/virtio_console.c:1176)
[  129.522770][ T3258]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  129.522776][ T3258]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  129.522784][ T3258]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  129.522787][ T3258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.522792][ T3258]  console_emit_next_record (kernel/printk/printk.c:3183)
[  129.522795][ T3258]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  129.522797][ T3258]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  129.522801][ T3258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.522803][ T3258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.522807][ T3258]  console_flush_one_record (kernel/printk/printk.c:3268)
[  129.522811][ T3258]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  129.522813][ T3258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  129.522818][ T3258]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  129.522821][ T3258]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  129.522823][ T3258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.522825][ T3258]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  129.522828][ T3258]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  129.522830][ T3258]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  129.522833][ T3258]  vprintk_emit (kernel/printk/printk.c:2479)
[  129.522836][ T3258]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  129.522838][ T3258]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  129.522843][ T3258]  _printk (kernel/printk/printk.c:2504)
[  129.522847][ T3258]  ? snapshot_read.cold (user.c:?)
[  129.522848][ T3258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  129.522851][ T3258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  129.522854][ T3258]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  129.522856][ T3258]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  129.522860][ T3258]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  129.522863][ T3258]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  129.522865][ T3258]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  129.522868][ T3258]  ? netdev_notice (net/core/dev.c:13194)
[  129.522871][ T3258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  129.522874][ T3258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  129.522876][ T3258]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  129.522880][ T3258]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  129.522882][ T3258]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  129.522884][ T3258]  ? register_netdev (net/core/dev.c:11618)
[  129.522886][ T3258]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  129.522891][ T3258]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  129.522893][ T3258]  ? __kernel_text_address (kernel/extable.c:79)
[  129.522896][ T3258]  ? write_profile (profile.c:?)
[  129.522900][ T3258]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  129.522906][ T3258]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  129.522909][ T3258]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  129.522911][ T3258]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  129.522912][ T3258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  129.522914][ T3258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  129.522918][ T3258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  129.522920][ T3258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  129.522921][ T3258]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  129.522924][ T3258]  ? kasan_save_stack (mm/kasan/common.c:58)
[  129.522926][ T3258]  ? kasan_save_stack (mm/kasan/common.c:57)
[  129.522927][ T3258]  ? kasan_save_track (mm/kasan/common.c:78)
[  129.522928][ T3258]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  129.522930][ T3258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  129.522932][ T3258]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  129.522935][ T3258]  ? ___sys_sendmsg (net/socket.c:2758)
[  129.522939][ T3258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  129.522941][ T3258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  129.522944][ T3258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.522945][ T3258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.522947][ T3258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.522948][ T3258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.522950][ T3258]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  129.522952][ T3258]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  129.522953][ T3258]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  129.522955][ T3258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  129.522958][ T3258]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  129.522959][ T3258]  ? nla_get_range_signed (lib/nlattr.c:270)
[  129.522964][ T3258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.522966][ T3258]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  129.522971][ T3258]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  129.522977][ T3258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  129.522978][ T3258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  129.522983][ T3258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  129.522985][ T3258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  129.522987][ T3258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  129.522988][ T3258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  129.522992][ T3258]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  129.522994][ T3258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  129.522997][ T3258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  129.522998][ T3258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  129.523003][ T3258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  129.523005][ T3258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  129.523008][ T3258]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  129.523011][ T3258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  129.523014][ T3258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  129.523020][ T3258]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  129.523022][ T3258]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  129.523026][ T3258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  129.523030][ T3258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  129.523033][ T3258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  129.523037][ T3258]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  129.523041][ T3258]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  129.523044][ T3258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  129.523046][ T3258]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  129.523051][ T3258]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  129.523054][ T3258]  ____sys_sendmsg (net/socket.c:2713)
[  129.523056][ T3258]  ? copy_msghdr_from_user (net/socket.c:2650)
[  129.523058][ T3258]  ? sock_write_iter (net/socket.c:1269)
[  129.523060][ T3258]  ? move_addr_to_kernel (net/socket.c:258)
[  129.523067][ T3258]  ___sys_sendmsg (net/socket.c:2767)
[  129.523070][ T3258]  ? copy_msghdr_from_user (net/socket.c:2619)
[  129.523085][ T3258]  __sys_sendmsg (net/socket.c:2799)
[  129.523088][ T3258]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  129.523094][ T3258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.523097][ T3258]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  129.523100][ T3258]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  129.523103][ T3258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  129.523105][ T3258] RIP: 0033:0x7fc56862354e
[  129.523109][ T3258] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  129.523111][ T3258] RSP: 002b:00007fffe000e4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  129.523113][ T3258] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc56862354e
[  129.523115][ T3258] RDX: 0000000000000000 RSI: 00007fffe000e580 RDI: 0000000000000005
[  129.523116][ T3258] RBP: 00007fffe000e4e0 R08: 0000000000000000 R09: 0000000000000000
[  129.523116][ T3258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125aa
[  129.523117][ T3258] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe000ec40
| [  131.445775][ T3324] softirqs last disabled at (16188): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  131.445777][ T3324] Preemption disabled at:
| [  131.445778][ T3324] vprintk_emit (kernel/printk/printk.c:2471)
| [  131.445786][ T3324] Tainted: [W]=WARN
[  131.445788][ T3324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  131.445789][ T3324] Call Trace:
[  131.445791][ T3324]  <TASK>
[  131.445792][ T3324]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  131.445799][ T3324]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  131.445800][ T3324]  __might_resched.cold (kernel/sched/core.c:9234)
[  131.445805][ T3324]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  131.445809][ T3324]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  131.445813][ T3324]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  131.445815][ T3324]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  131.445822][ T3324]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  131.445824][ T3324]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  131.445828][ T3324]  put_chars (drivers/char/virtio_console.c:1176)
[  131.445831][ T3324]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  131.445832][ T3324]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  131.445836][ T3324]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  131.445838][ T3324]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  131.445843][ T3324]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  131.445847][ T3324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  131.445852][ T3324]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  131.445856][ T3324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.445860][ T3324]  console_emit_next_record (kernel/printk/printk.c:3183)
[  131.445864][ T3324]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  131.445866][ T3324]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  131.445869][ T3324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.445871][ T3324]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.445875][ T3324]  console_flush_one_record (kernel/printk/printk.c:3268)
[  131.445879][ T3324]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  131.445882][ T3324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  131.445887][ T3324]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  131.445890][ T3324]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  131.445891][ T3324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.445893][ T3324]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  131.445897][ T3324]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  131.445899][ T3324]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  131.445901][ T3324]  vprintk_emit (kernel/printk/printk.c:2479)
[  131.445905][ T3324]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  131.445906][ T3324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  131.445909][ T3324]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  131.445913][ T3324]  _printk (kernel/printk/printk.c:2504)
[  131.445916][ T3324]  ? snapshot_read.cold (user.c:?)
[  131.445920][ T3324]  ? br_multicast_flood (??:?)
[  131.445923][ T3324]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  131.445924][ T3324]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  131.445926][ T3324]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  131.445930][ T3324]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  131.445934][ T3324]  br_init_port (net/bridge/br_stp_if.c:39)
[  131.445936][ T3324]  new_nbp (net/bridge/br_if.c:449)
[  131.445940][ T3324]  br_add_if (net/bridge/br_if.c:592)
[  131.445942][ T3324]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  131.445950][ T3324]  do_set_master (net/core/rtnetlink.c:3071)
[  131.445953][ T3324]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  131.445957][ T3324]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  131.445959][ T3324]  ? __dev_get_by_name (net/core/dev.c:905)
[  131.445961][ T3324]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  131.445970][ T3324]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  131.445976][ T3324]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  131.445982][ T3324]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  131.445984][ T3324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  131.445990][ T3324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  131.445994][ T3324]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  131.445996][ T3324]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  131.445999][ T3324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  131.446001][ T3324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  131.446005][ T3324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  131.446007][ T3324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  131.446011][ T3324]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  131.446014][ T3324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  131.446017][ T3324]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  131.446023][ T3324]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  131.446025][ T3324]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  131.446030][ T3324]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  131.446034][ T3324]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  131.446040][ T3324]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  131.446044][ T3324]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  131.446047][ T3324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  131.446049][ T3324]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  131.446054][ T3324]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  131.446058][ T3324]  ____sys_sendmsg (net/socket.c:2713)
[  131.446061][ T3324]  ? copy_msghdr_from_user (net/socket.c:2650)
[  131.446063][ T3324]  ? sock_write_iter (net/socket.c:1269)
[  131.446065][ T3324]  ? move_addr_to_kernel (net/socket.c:258)
[  131.446069][ T3324]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  131.446072][ T3324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  131.446075][ T3324]  ___sys_sendmsg (net/socket.c:2767)
[  131.446077][ T3324]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  131.446080][ T3324]  ? copy_msghdr_from_user (net/socket.c:2619)
[  131.446082][ T3324]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  131.446097][ T3324]  __sys_sendmsg (net/socket.c:2799)
[  131.446099][ T3324]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  131.446105][ T3324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.446107][ T3324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.446110][ T3324]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  131.446113][ T3324]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  131.446116][ T3324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  131.446118][ T3324] RIP: 0033:0x7f509d1ee54e
[  131.446122][ T3324] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  131.446124][ T3324] RSP: 002b:00007ffe20742710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  131.446127][ T3324] RAX: ffffffffffffffda RBX: 00007ffe20742ed8 RCX: 00007f509d1ee54e
[  131.446128][ T3324] RDX: 0000000000000000 RSI: 00007ffe207427c0 RDI: 0000000000000005
[  131.446129][ T3324] RBP: 00007ffe20742720 R08: 0000000000000000 R09: 0000000000000000
[  131.446130][ T3324] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125ac
[  131.446131][ T3324] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe20742e90
| [  139.392574][   T71] softirqs last disabled at (2412610): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  139.392577][   T71] Preemption disabled at:
| [  139.392577][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  139.392586][   T71] Tainted: [W]=WARN
[  139.392587][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  139.392588][   T71] Workqueue: netns cleanup_net
[  139.392591][   T71] Call Trace:
[  139.392593][   T71]  <TASK>
[  139.392595][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  139.392601][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  139.392603][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  139.392607][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  139.392611][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  139.392616][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  139.392617][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.392624][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  139.392627][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.392631][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  139.392633][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  139.392634][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  139.392638][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  139.392641][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  139.392646][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  139.392649][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  139.392655][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  139.392658][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.392663][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  139.392667][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  139.392669][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  139.392672][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.392674][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.392678][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  139.392682][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  139.392684][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  139.392690][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  139.392693][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  139.392694][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.392696][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  139.392700][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  139.392708][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  139.392710][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  139.392714][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  139.392715][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  139.392717][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  139.392719][   T71]  ? kthread (kernel/kthread.c:436)
[  139.392721][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  139.392724][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  139.392729][   T71]  _printk (kernel/printk/printk.c:2504)
[  139.392733][   T71]  ? snapshot_read.cold (user.c:?)
[  139.392737][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  139.392741][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  139.392745][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  139.392748][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  139.392752][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.392754][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  139.392757][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  139.392759][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  139.392761][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  139.392765][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  139.392769][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  139.392775][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  139.392779][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  139.392782][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  139.392786][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  139.392790][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  139.392791][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  139.392795][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  139.392799][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  139.392802][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  139.392806][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.392808][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.392812][   T71]  process_one_work (kernel/workqueue.c:3387)
[  139.392818][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  139.392821][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  139.392829][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  139.392833][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.392835][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  139.392838][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.392841][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.392843][   T71]  kthread (kernel/kthread.c:436)
[  139.392845][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  139.392849][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  139.392852][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  139.392854][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  139.392858][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  139.392861][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  139.392864][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  140.515233][ T3538] softirqs last disabled at (14422): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  140.515235][ T3538] Preemption disabled at:
| [  140.515236][ T3538] vprintk_emit (kernel/printk/printk.c:2471)
| [  140.515245][ T3538] Tainted: [W]=WARN
[  140.515246][ T3538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  140.515247][ T3538] Call Trace:
[  140.515250][ T3538]  <TASK>
[  140.515251][ T3538]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  140.515257][ T3538]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  140.515259][ T3538]  __might_resched.cold (kernel/sched/core.c:9234)
[  140.515263][ T3538]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  140.515267][ T3538]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  140.515272][ T3538]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  140.515274][ T3538]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.515281][ T3538]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  140.515283][ T3538]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.515287][ T3538]  put_chars (drivers/char/virtio_console.c:1176)
[  140.515290][ T3538]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  140.515296][ T3538]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  140.515304][ T3538]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  140.515307][ T3538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.515312][ T3538]  console_emit_next_record (kernel/printk/printk.c:3183)
[  140.515316][ T3538]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  140.515318][ T3538]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  140.515321][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.515324][ T3538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.515328][ T3538]  console_flush_one_record (kernel/printk/printk.c:3268)
[  140.515332][ T3538]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  140.515334][ T3538]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.515339][ T3538]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  140.515342][ T3538]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  140.515344][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.515346][ T3538]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  140.515350][ T3538]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  140.515352][ T3538]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  140.515354][ T3538]  vprintk_emit (kernel/printk/printk.c:2479)
[  140.515357][ T3538]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  140.515360][ T3538]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  140.515366][ T3538]  _printk (kernel/printk/printk.c:2504)
[  140.515369][ T3538]  ? snapshot_read.cold (user.c:?)
[  140.515371][ T3538]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  140.515374][ T3538]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  140.515377][ T3538]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  140.515379][ T3538]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  140.515383][ T3538]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  140.515386][ T3538]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  140.515388][ T3538]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  140.515391][ T3538]  ? netdev_notice (net/core/dev.c:13194)
[  140.515394][ T3538]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.515397][ T3538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.515400][ T3538]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  140.515403][ T3538]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  140.515406][ T3538]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  140.515408][ T3538]  ? register_netdev (net/core/dev.c:11618)
[  140.515409][ T3538]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  140.515415][ T3538]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  140.515418][ T3538]  ? __kernel_text_address (kernel/extable.c:79)
[  140.515420][ T3538]  ? write_profile (profile.c:?)
[  140.515424][ T3538]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  140.515430][ T3538]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  140.515433][ T3538]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  140.515436][ T3538]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  140.515437][ T3538]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  140.515439][ T3538]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  140.515442][ T3538]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  140.515444][ T3538]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  140.515446][ T3538]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  140.515449][ T3538]  ? kasan_save_stack (mm/kasan/common.c:58)
[  140.515451][ T3538]  ? kasan_save_stack (mm/kasan/common.c:57)
[  140.515452][ T3538]  ? kasan_save_track (mm/kasan/common.c:78)
[  140.515453][ T3538]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  140.515455][ T3538]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.515457][ T3538]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  140.515461][ T3538]  ? ___sys_sendmsg (net/socket.c:2758)
[  140.515465][ T3538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  140.515467][ T3538]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  140.515469][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.515471][ T3538]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.515473][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.515474][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.515476][ T3538]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  140.515478][ T3538]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  140.515479][ T3538]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  140.515481][ T3538]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  140.515484][ T3538]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  140.515486][ T3538]  ? nla_get_range_signed (lib/nlattr.c:270)
[  140.515491][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.515493][ T3538]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  140.515498][ T3538]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  140.515504][ T3538]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.515506][ T3538]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.515510][ T3538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  140.515512][ T3538]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.515514][ T3538]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.515516][ T3538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.515520][ T3538]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.515522][ T3538]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  140.515525][ T3538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.515526][ T3538]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.515531][ T3538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  140.515533][ T3538]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.515537][ T3538]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  140.515540][ T3538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.515543][ T3538]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  140.515549][ T3538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  140.515551][ T3538]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  140.515556][ T3538]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  140.515560][ T3538]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  140.515563][ T3538]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.515567][ T3538]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  140.515571][ T3538]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  140.515575][ T3538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.515577][ T3538]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  140.515582][ T3538]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  140.515585][ T3538]  ____sys_sendmsg (net/socket.c:2713)
[  140.515587][ T3538]  ? copy_msghdr_from_user (net/socket.c:2650)
[  140.515589][ T3538]  ? sock_write_iter (net/socket.c:1269)
[  140.515591][ T3538]  ? move_addr_to_kernel (net/socket.c:258)
[  140.515598][ T3538]  ___sys_sendmsg (net/socket.c:2767)
[  140.515601][ T3538]  ? copy_msghdr_from_user (net/socket.c:2619)
[  140.515617][ T3538]  __sys_sendmsg (net/socket.c:2799)
[  140.515620][ T3538]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  140.515627][ T3538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.515630][ T3538]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  140.515633][ T3538]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  140.515636][ T3538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  140.515638][ T3538] RIP: 0033:0x7f335d68e54e
[  140.515641][ T3538] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  140.515643][ T3538] RSP: 002b:00007fffc57a9e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  140.515646][ T3538] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f335d68e54e
[  140.515648][ T3538] RDX: 0000000000000000 RSI: 00007fffc57a9ef0 RDI: 0000000000000005
[  140.515649][ T3538] RBP: 00007fffc57a9e50 R08: 0000000000000000 R09: 0000000000000000
[  140.515650][ T3538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125b5
[  140.515650][ T3538] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc57aa5b0
| [  142.399673][ T3613] softirqs last disabled at (16298): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  142.399675][ T3613] Preemption disabled at:
| [  142.399675][ T3613] vprintk_emit (kernel/printk/printk.c:2471)
| [  142.399683][ T3613] Tainted: [W]=WARN
[  142.399684][ T3613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  142.399686][ T3613] Call Trace:
[  142.399688][ T3613]  <TASK>
[  142.399689][ T3613]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  142.399696][ T3613]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  142.399697][ T3613]  __might_resched.cold (kernel/sched/core.c:9234)
[  142.399701][ T3613]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  142.399706][ T3613]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  142.399710][ T3613]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  142.399712][ T3613]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  142.399719][ T3613]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  142.399721][ T3613]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  142.399730][ T3613]  put_chars (drivers/char/virtio_console.c:1176)
[  142.399733][ T3613]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  142.399734][ T3613]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  142.399738][ T3613]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  142.399741][ T3613]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  142.399746][ T3613]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  142.399750][ T3613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  142.399755][ T3613]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  142.399759][ T3613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.399763][ T3613]  console_emit_next_record (kernel/printk/printk.c:3183)
[  142.399767][ T3613]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  142.399769][ T3613]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  142.399773][ T3613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.399774][ T3613]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  142.399778][ T3613]  console_flush_one_record (kernel/printk/printk.c:3268)
[  142.399782][ T3613]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  142.399784][ T3613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  142.399790][ T3613]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  142.399792][ T3613]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  142.399794][ T3613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.399796][ T3613]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  142.399800][ T3613]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  142.399802][ T3613]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  142.399804][ T3613]  vprintk_emit (kernel/printk/printk.c:2479)
[  142.399808][ T3613]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  142.399809][ T3613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  142.399812][ T3613]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  142.399816][ T3613]  _printk (kernel/printk/printk.c:2504)
[  142.399819][ T3613]  ? snapshot_read.cold (user.c:?)
[  142.399823][ T3613]  ? br_multicast_flood (??:?)
[  142.399826][ T3613]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  142.399828][ T3613]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  142.399829][ T3613]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  142.399833][ T3613]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  142.399838][ T3613]  br_init_port (net/bridge/br_stp_if.c:39)
[  142.399840][ T3613]  new_nbp (net/bridge/br_if.c:449)
[  142.399844][ T3613]  br_add_if (net/bridge/br_if.c:592)
[  142.399846][ T3613]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  142.399854][ T3613]  do_set_master (net/core/rtnetlink.c:3071)
[  142.399857][ T3613]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  142.399861][ T3613]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  142.399863][ T3613]  ? __dev_get_by_name (net/core/dev.c:905)
[  142.399865][ T3613]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  142.399874][ T3613]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  142.399881][ T3613]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  142.399886][ T3613]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  142.399888][ T3613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  142.399895][ T3613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  142.399899][ T3613]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  142.399901][ T3613]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  142.399904][ T3613]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  142.399905][ T3613]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  142.399910][ T3613]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  142.399912][ T3613]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  142.399916][ T3613]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  142.399919][ T3613]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  142.399922][ T3613]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  142.399928][ T3613]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  142.399931][ T3613]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  142.399935][ T3613]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  142.399939][ T3613]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  142.399945][ T3613]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  142.399949][ T3613]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  142.399953][ T3613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  142.399954][ T3613]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  142.399960][ T3613]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  142.399964][ T3613]  ____sys_sendmsg (net/socket.c:2713)
[  142.399966][ T3613]  ? copy_msghdr_from_user (net/socket.c:2650)
[  142.399968][ T3613]  ? sock_write_iter (net/socket.c:1269)
[  142.399970][ T3613]  ? move_addr_to_kernel (net/socket.c:258)
[  142.399974][ T3613]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  142.399977][ T3613]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  142.399981][ T3613]  ___sys_sendmsg (net/socket.c:2767)
[  142.399983][ T3613]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  142.399985][ T3613]  ? copy_msghdr_from_user (net/socket.c:2619)
[  142.399987][ T3613]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  142.400002][ T3613]  __sys_sendmsg (net/socket.c:2799)
[  142.400005][ T3613]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  142.400011][ T3613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.400013][ T3613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  142.400016][ T3613]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  142.400019][ T3613]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  142.400022][ T3613]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  142.400025][ T3613] RIP: 0033:0x7fb61d99054e
[  142.400029][ T3613] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  142.400030][ T3613] RSP: 002b:00007ffee5832730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  142.400033][ T3613] RAX: ffffffffffffffda RBX: 00007ffee5832ef8 RCX: 00007fb61d99054e
[  142.400034][ T3613] RDX: 0000000000000000 RSI: 00007ffee58327e0 RDI: 0000000000000005
[  142.400036][ T3613] RBP: 00007ffee5832740 R08: 0000000000000000 R09: 0000000000000000
[  142.400036][ T3613] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125b7
[  142.400037][ T3613] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee5832eb0
| [  143.558923][ T3650] softirqs last disabled at (21254): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  143.558925][ T3650] Preemption disabled at:
| [  143.558926][ T3650] vprintk_emit (kernel/printk/printk.c:2471)
| [  143.558935][ T3650] Tainted: [W]=WARN
[  143.558936][ T3650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  143.558937][ T3650] Call Trace:
[  143.558939][ T3650]  <TASK>
[  143.558941][ T3650]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  143.558947][ T3650]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  143.558948][ T3650]  __might_resched.cold (kernel/sched/core.c:9234)
[  143.558953][ T3650]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  143.558957][ T3650]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  143.558961][ T3650]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  143.558963][ T3650]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.558970][ T3650]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  143.558973][ T3650]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.558977][ T3650]  put_chars (drivers/char/virtio_console.c:1176)
[  143.558979][ T3650]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  143.558986][ T3650]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  143.558993][ T3650]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  143.558997][ T3650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.559002][ T3650]  console_emit_next_record (kernel/printk/printk.c:3183)
[  143.559006][ T3650]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  143.559008][ T3650]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  143.559011][ T3650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.559014][ T3650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.559018][ T3650]  console_flush_one_record (kernel/printk/printk.c:3268)
[  143.559022][ T3650]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  143.559024][ T3650]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.559030][ T3650]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  143.559032][ T3650]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  143.559034][ T3650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.559036][ T3650]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  143.559040][ T3650]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  143.559042][ T3650]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  143.559045][ T3650]  vprintk_emit (kernel/printk/printk.c:2479)
[  143.559048][ T3650]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  143.559051][ T3650]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  143.559056][ T3650]  _printk (kernel/printk/printk.c:2504)
[  143.559060][ T3650]  ? snapshot_read.cold (user.c:?)
[  143.559061][ T3650]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  143.559064][ T3650]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  143.559067][ T3650]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  143.559069][ T3650]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  143.559073][ T3650]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  143.559075][ T3650]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  143.559078][ T3650]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  143.559081][ T3650]  ? netdev_notice (net/core/dev.c:13194)
[  143.559083][ T3650]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.559086][ T3650]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.559089][ T3650]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  143.559093][ T3650]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  143.559095][ T3650]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  143.559097][ T3650]  ? register_netdev (net/core/dev.c:11618)
[  143.559099][ T3650]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  143.559104][ T3650]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  143.559106][ T3650]  ? __kernel_text_address (kernel/extable.c:79)
[  143.559109][ T3650]  ? write_profile (profile.c:?)
[  143.559113][ T3650]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  143.559119][ T3650]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  143.559123][ T3650]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  143.559125][ T3650]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  143.559126][ T3650]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  143.559128][ T3650]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  143.559132][ T3650]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  143.559133][ T3650]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  143.559135][ T3650]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  143.559138][ T3650]  ? kasan_save_stack (mm/kasan/common.c:58)
[  143.559140][ T3650]  ? kasan_save_stack (mm/kasan/common.c:57)
[  143.559141][ T3650]  ? kasan_save_track (mm/kasan/common.c:78)
[  143.559142][ T3650]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  143.559145][ T3650]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.559146][ T3650]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  143.559150][ T3650]  ? ___sys_sendmsg (net/socket.c:2758)
[  143.559154][ T3650]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  143.559156][ T3650]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  143.559158][ T3650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.559160][ T3650]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.559162][ T3650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.559163][ T3650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.559165][ T3650]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  143.559167][ T3650]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  143.559168][ T3650]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  143.559170][ T3650]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  143.559174][ T3650]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  143.559175][ T3650]  ? nla_get_range_signed (lib/nlattr.c:270)
[  143.559180][ T3650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.559182][ T3650]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  143.559188][ T3650]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  143.559193][ T3650]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  143.559197][ T3650]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.559203][ T3650]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  143.559205][ T3650]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.559207][ T3650]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  143.559208][ T3650]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.559212][ T3650]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  143.559214][ T3650]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  143.559217][ T3650]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.559219][ T3650]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.559223][ T3650]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  143.559225][ T3650]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.559229][ T3650]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  143.559232][ T3650]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.559235][ T3650]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  143.559242][ T3650]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  143.559244][ T3650]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  143.559248][ T3650]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  143.559252][ T3650]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  143.559255][ T3650]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.559259][ T3650]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  143.559263][ T3650]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  143.559267][ T3650]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.559269][ T3650]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  143.559275][ T3650]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  143.559278][ T3650]  ____sys_sendmsg (net/socket.c:2713)
[  143.559280][ T3650]  ? copy_msghdr_from_user (net/socket.c:2650)
[  143.559282][ T3650]  ? sock_write_iter (net/socket.c:1269)
[  143.559284][ T3650]  ? move_addr_to_kernel (net/socket.c:258)
[  143.559291][ T3650]  ___sys_sendmsg (net/socket.c:2767)
[  143.559294][ T3650]  ? copy_msghdr_from_user (net/socket.c:2619)
[  143.559310][ T3650]  __sys_sendmsg (net/socket.c:2799)
[  143.559313][ T3650]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  143.559319][ T3650]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.559322][ T3650]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  143.559325][ T3650]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  143.559328][ T3650]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  143.559330][ T3650] RIP: 0033:0x7ff41f2d754e
[  143.559334][ T3650] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  143.559336][ T3650] RSP: 002b:00007fffde5487d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  143.559338][ T3650] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff41f2d754e
[  143.559340][ T3650] RDX: 0000000000000000 RSI: 00007fffde548880 RDI: 0000000000000005
[  143.559341][ T3650] RBP: 00007fffde5487e0 R08: 0000000000000000 R09: 0000000000000000
[  143.559342][ T3650] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125b8
[  143.559342][ T3650] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffde548f40
| [  145.560650][ T3716] softirqs last disabled at (32580): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  145.560652][ T3716] Preemption disabled at:
| [  145.560652][ T3716] vprintk_emit (kernel/printk/printk.c:2471)
| [  145.560661][ T3716] Tainted: [W]=WARN
[  145.560662][ T3716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  145.560663][ T3716] Call Trace:
[  145.560665][ T3716]  <TASK>
[  145.560667][ T3716]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  145.560672][ T3716]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  145.560674][ T3716]  __might_resched.cold (kernel/sched/core.c:9234)
[  145.560679][ T3716]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  145.560683][ T3716]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  145.560688][ T3716]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  145.560689][ T3716]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  145.560696][ T3716]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  145.560699][ T3716]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  145.560702][ T3716]  put_chars (drivers/char/virtio_console.c:1176)
[  145.560705][ T3716]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  145.560706][ T3716]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  145.560710][ T3716]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  145.560712][ T3716]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  145.560717][ T3716]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  145.560721][ T3716]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  145.560726][ T3716]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  145.560729][ T3716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.560734][ T3716]  console_emit_next_record (kernel/printk/printk.c:3183)
[  145.560738][ T3716]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  145.560740][ T3716]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  145.560743][ T3716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.560744][ T3716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  145.560752][ T3716]  console_flush_one_record (kernel/printk/printk.c:3268)
[  145.560756][ T3716]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  145.560758][ T3716]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  145.560764][ T3716]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  145.560766][ T3716]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  145.560768][ T3716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.560770][ T3716]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  145.560774][ T3716]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  145.560776][ T3716]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  145.560778][ T3716]  vprintk_emit (kernel/printk/printk.c:2479)
[  145.560782][ T3716]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  145.560783][ T3716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  145.560786][ T3716]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  145.560790][ T3716]  _printk (kernel/printk/printk.c:2504)
[  145.560793][ T3716]  ? snapshot_read.cold (user.c:?)
[  145.560797][ T3716]  ? br_multicast_flood (??:?)
[  145.560800][ T3716]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  145.560801][ T3716]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  145.560803][ T3716]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  145.560807][ T3716]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  145.560811][ T3716]  br_init_port (net/bridge/br_stp_if.c:39)
[  145.560814][ T3716]  new_nbp (net/bridge/br_if.c:449)
[  145.560817][ T3716]  br_add_if (net/bridge/br_if.c:592)
[  145.560819][ T3716]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  145.560827][ T3716]  do_set_master (net/core/rtnetlink.c:3071)
[  145.560831][ T3716]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  145.560834][ T3716]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  145.560836][ T3716]  ? __dev_get_by_name (net/core/dev.c:905)
[  145.560838][ T3716]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  145.560847][ T3716]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  145.560854][ T3716]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  145.560860][ T3716]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  145.560862][ T3716]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  145.560869][ T3716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  145.560873][ T3716]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  145.560875][ T3716]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  145.560878][ T3716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  145.560879][ T3716]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  145.560883][ T3716]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  145.560886][ T3716]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  145.560889][ T3716]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  145.560892][ T3716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  145.560895][ T3716]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  145.560901][ T3716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  145.560904][ T3716]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  145.560908][ T3716]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  145.560912][ T3716]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  145.560918][ T3716]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  145.560922][ T3716]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  145.560925][ T3716]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  145.560927][ T3716]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  145.560933][ T3716]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  145.560936][ T3716]  ____sys_sendmsg (net/socket.c:2713)
[  145.560939][ T3716]  ? copy_msghdr_from_user (net/socket.c:2650)
[  145.560941][ T3716]  ? sock_write_iter (net/socket.c:1269)
[  145.560943][ T3716]  ? move_addr_to_kernel (net/socket.c:258)
[  145.560947][ T3716]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  145.560950][ T3716]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  145.560953][ T3716]  ___sys_sendmsg (net/socket.c:2767)
[  145.560955][ T3716]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  145.560958][ T3716]  ? copy_msghdr_from_user (net/socket.c:2619)
[  145.560960][ T3716]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  145.560975][ T3716]  __sys_sendmsg (net/socket.c:2799)
[  145.560978][ T3716]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  145.560983][ T3716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.560985][ T3716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.560988][ T3716]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  145.560992][ T3716]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  145.560995][ T3716]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  145.560997][ T3716] RIP: 0033:0x7f872507554e
[  145.561001][ T3716] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  145.561003][ T3716] RSP: 002b:00007ffc8fcdb4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  145.561006][ T3716] RAX: ffffffffffffffda RBX: 00007ffc8fcdbca8 RCX: 00007f872507554e
[  145.561007][ T3716] RDX: 0000000000000000 RSI: 00007ffc8fcdb590 RDI: 0000000000000005
[  145.561008][ T3716] RBP: 00007ffc8fcdb4f0 R08: 0000000000000000 R09: 0000000000000000
[  145.561009][ T3716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125ba
[  145.561010][ T3716] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8fcdbc60
| [  154.049905][   T71] softirqs last disabled at (2677718): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  154.049907][   T71] Preemption disabled at:
| [  154.049908][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  154.049917][   T71] Tainted: [W]=WARN
[  154.049918][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  154.049920][   T71] Workqueue: netns cleanup_net
[  154.049923][   T71] Call Trace:
[  154.049925][   T71]  <TASK>
[  154.049927][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  154.049933][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  154.049935][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  154.049940][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  154.049944][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  154.049949][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  154.049951][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  154.049959][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  154.049962][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  154.049966][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  154.049969][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  154.049970][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  154.049974][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  154.049977][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  154.049983][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  154.049988][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  154.049994][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  154.049998][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.050003][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  154.050008][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  154.050010][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  154.050014][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.050016][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.050020][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  154.050025][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  154.050027][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  154.050033][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  154.050036][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  154.050038][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.050040][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  154.050044][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  154.050046][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  154.050049][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  154.050053][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  154.050054][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  154.050056][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  154.050058][   T71]  ? kthread (kernel/kthread.c:436)
[  154.050061][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  154.050064][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  154.050069][   T71]  _printk (kernel/printk/printk.c:2504)
[  154.050073][   T71]  ? snapshot_read.cold (user.c:?)
[  154.050078][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  154.050083][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  154.050087][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  154.050091][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  154.050096][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.050098][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  154.050101][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  154.050103][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  154.050106][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  154.050110][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  154.050115][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  154.050122][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  154.050126][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  154.050129][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  154.050134][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  154.050137][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  154.050139][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  154.050143][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  154.050148][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  154.050151][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  154.050155][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.050158][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.050161][   T71]  process_one_work (kernel/workqueue.c:3387)
[  154.050169][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  154.050172][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  154.050181][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  154.050186][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  154.050188][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  154.050192][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  154.050199][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  154.050202][   T71]  kthread (kernel/kthread.c:436)
[  154.050205][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  154.050208][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  154.050212][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  154.050216][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  154.050220][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  154.050224][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  154.050228][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  155.268536][ T3930] softirqs last disabled at (14524): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  155.268539][ T3930] Preemption disabled at:
| [  155.268540][ T3930] vprintk_emit (kernel/printk/printk.c:2471)
| [  155.268549][ T3930] Tainted: [W]=WARN
[  155.268550][ T3930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  155.268552][ T3930] Call Trace:
[  155.268554][ T3930]  <TASK>
[  155.268555][ T3930]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  155.268562][ T3930]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  155.268563][ T3930]  __might_resched.cold (kernel/sched/core.c:9234)
[  155.268568][ T3930]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  155.268572][ T3930]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  155.268577][ T3930]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  155.268579][ T3930]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  155.268586][ T3930]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  155.268589][ T3930]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  155.268592][ T3930]  put_chars (drivers/char/virtio_console.c:1176)
[  155.268595][ T3930]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  155.268602][ T3930]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  155.268610][ T3930]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  155.268613][ T3930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.268618][ T3930]  console_emit_next_record (kernel/printk/printk.c:3183)
[  155.268622][ T3930]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  155.268624][ T3930]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  155.268628][ T3930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.268631][ T3930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.268635][ T3930]  console_flush_one_record (kernel/printk/printk.c:3268)
[  155.268639][ T3930]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  155.268641][ T3930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  155.268647][ T3930]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  155.268650][ T3930]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  155.268652][ T3930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.268654][ T3930]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  155.268658][ T3930]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  155.268660][ T3930]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  155.268663][ T3930]  vprintk_emit (kernel/printk/printk.c:2479)
[  155.268666][ T3930]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  155.268669][ T3930]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  155.268674][ T3930]  _printk (kernel/printk/printk.c:2504)
[  155.268678][ T3930]  ? snapshot_read.cold (user.c:?)
[  155.268680][ T3930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  155.268683][ T3930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  155.268685][ T3930]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  155.268688][ T3930]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  155.268692][ T3930]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  155.268695][ T3930]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  155.268697][ T3930]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  155.268700][ T3930]  ? netdev_notice (net/core/dev.c:13194)
[  155.268703][ T3930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  155.268706][ T3930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  155.268709][ T3930]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  155.268713][ T3930]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  155.268715][ T3930]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  155.268717][ T3930]  ? register_netdev (net/core/dev.c:11618)
[  155.268719][ T3930]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  155.268725][ T3930]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  155.268727][ T3930]  ? __kernel_text_address (kernel/extable.c:79)
[  155.268730][ T3930]  ? write_profile (profile.c:?)
[  155.268734][ T3930]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  155.268740][ T3930]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  155.268744][ T3930]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  155.268746][ T3930]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  155.268748][ T3930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  155.268750][ T3930]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  155.268753][ T3930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  155.268756][ T3930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  155.268758][ T3930]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  155.268760][ T3930]  ? kasan_save_stack (mm/kasan/common.c:58)
[  155.268762][ T3930]  ? kasan_save_stack (mm/kasan/common.c:57)
[  155.268764][ T3930]  ? kasan_save_track (mm/kasan/common.c:78)
[  155.268765][ T3930]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  155.268768][ T3930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  155.268770][ T3930]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  155.268773][ T3930]  ? ___sys_sendmsg (net/socket.c:2758)
[  155.268777][ T3930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  155.268779][ T3930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  155.268782][ T3930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.268784][ T3930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  155.268786][ T3930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.268787][ T3930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.268789][ T3930]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  155.268791][ T3930]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  155.268792][ T3930]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  155.268795][ T3930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  155.268798][ T3930]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  155.268799][ T3930]  ? nla_get_range_signed (lib/nlattr.c:270)
[  155.268804][ T3930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.268807][ T3930]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  155.268812][ T3930]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  155.268823][ T3930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  155.268826][ T3930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  155.268830][ T3930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  155.268832][ T3930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  155.268835][ T3930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  155.268837][ T3930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  155.268841][ T3930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  155.268843][ T3930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  155.268846][ T3930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  155.268847][ T3930]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  155.268853][ T3930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  155.268855][ T3930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  155.268858][ T3930]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  155.268862][ T3930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  155.268865][ T3930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  155.268872][ T3930]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  155.268875][ T3930]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  155.268880][ T3930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  155.268885][ T3930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  155.268888][ T3930]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  155.268893][ T3930]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  155.268897][ T3930]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  155.268901][ T3930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  155.268903][ T3930]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  155.268909][ T3930]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  155.268912][ T3930]  ____sys_sendmsg (net/socket.c:2713)
[  155.268914][ T3930]  ? copy_msghdr_from_user (net/socket.c:2650)
[  155.268917][ T3930]  ? sock_write_iter (net/socket.c:1269)
[  155.268918][ T3930]  ? move_addr_to_kernel (net/socket.c:258)
[  155.268926][ T3930]  ___sys_sendmsg (net/socket.c:2767)
[  155.268929][ T3930]  ? copy_msghdr_from_user (net/socket.c:2619)
[  155.268946][ T3930]  __sys_sendmsg (net/socket.c:2799)
[  155.268949][ T3930]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  155.268956][ T3930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  155.268959][ T3930]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  155.268962][ T3930]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  155.268966][ T3930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  155.268968][ T3930] RIP: 0033:0x7fe2f448c54e
[  155.268972][ T3930] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  155.268974][ T3930] RSP: 002b:00007ffd228d41e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  155.268977][ T3930] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe2f448c54e
[  155.268979][ T3930] RDX: 0000000000000000 RSI: 00007ffd228d4290 RDI: 0000000000000005
[  155.268980][ T3930] RBP: 00007ffd228d41f0 R08: 0000000000000000 R09: 0000000000000000
[  155.268981][ T3930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125c4
[  155.268982][ T3930] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd228d4950
| [  157.254857][ T4004] softirqs last disabled at (19100): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  157.254859][ T4004] Preemption disabled at:
| [  157.254860][ T4004] vprintk_emit (kernel/printk/printk.c:2471)
| [  157.254869][ T4004] Tainted: [W]=WARN
[  157.254870][ T4004] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  157.254872][ T4004] Call Trace:
[  157.254874][ T4004]  <TASK>
[  157.254875][ T4004]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  157.254882][ T4004]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  157.254884][ T4004]  __might_resched.cold (kernel/sched/core.c:9234)
[  157.254888][ T4004]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  157.254893][ T4004]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  157.254898][ T4004]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  157.254900][ T4004]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.254907][ T4004]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  157.254910][ T4004]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.254914][ T4004]  put_chars (drivers/char/virtio_console.c:1176)
[  157.254917][ T4004]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  157.254918][ T4004]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  157.254922][ T4004]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  157.254925][ T4004]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  157.254931][ T4004]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  157.254935][ T4004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.254940][ T4004]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  157.254944][ T4004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.254949][ T4004]  console_emit_next_record (kernel/printk/printk.c:3183)
[  157.254953][ T4004]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  157.254955][ T4004]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  157.254959][ T4004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.254961][ T4004]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.254965][ T4004]  console_flush_one_record (kernel/printk/printk.c:3268)
[  157.254969][ T4004]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  157.254971][ T4004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.254977][ T4004]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  157.254980][ T4004]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  157.254982][ T4004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.254984][ T4004]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  157.254987][ T4004]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  157.254989][ T4004]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  157.254992][ T4004]  vprintk_emit (kernel/printk/printk.c:2479)
[  157.254996][ T4004]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  157.254998][ T4004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.255001][ T4004]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  157.255004][ T4004]  _printk (kernel/printk/printk.c:2504)
[  157.255008][ T4004]  ? snapshot_read.cold (user.c:?)
[  157.255012][ T4004]  ? br_multicast_flood (??:?)
[  157.255015][ T4004]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  157.255017][ T4004]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  157.255018][ T4004]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  157.255023][ T4004]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  157.255027][ T4004]  br_init_port (net/bridge/br_stp_if.c:39)
[  157.255030][ T4004]  new_nbp (net/bridge/br_if.c:449)
[  157.255034][ T4004]  br_add_if (net/bridge/br_if.c:592)
[  157.255036][ T4004]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  157.255044][ T4004]  do_set_master (net/core/rtnetlink.c:3071)
[  157.255048][ T4004]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  157.255052][ T4004]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  157.255054][ T4004]  ? __dev_get_by_name (net/core/dev.c:905)
[  157.255056][ T4004]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  157.255066][ T4004]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  157.255072][ T4004]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  157.255078][ T4004]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.255080][ T4004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.255087][ T4004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.255091][ T4004]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.255094][ T4004]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  157.255097][ T4004]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  157.255099][ T4004]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.255103][ T4004]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  157.255106][ T4004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.255109][ T4004]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  157.255112][ T4004]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  157.255116][ T4004]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  157.255122][ T4004]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  157.255125][ T4004]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  157.255129][ T4004]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  157.255134][ T4004]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  157.255140][ T4004]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  157.255144][ T4004]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  157.255148][ T4004]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.255150][ T4004]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  157.255155][ T4004]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  157.255160][ T4004]  ____sys_sendmsg (net/socket.c:2713)
[  157.255162][ T4004]  ? copy_msghdr_from_user (net/socket.c:2650)
[  157.255164][ T4004]  ? sock_write_iter (net/socket.c:1269)
[  157.255166][ T4004]  ? move_addr_to_kernel (net/socket.c:258)
[  157.255171][ T4004]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  157.255174][ T4004]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.255178][ T4004]  ___sys_sendmsg (net/socket.c:2767)
[  157.255179][ T4004]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  157.255182][ T4004]  ? copy_msghdr_from_user (net/socket.c:2619)
[  157.255185][ T4004]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  157.255204][ T4004]  __sys_sendmsg (net/socket.c:2799)
[  157.255207][ T4004]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  157.255213][ T4004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.255215][ T4004]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.255218][ T4004]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  157.255222][ T4004]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  157.255225][ T4004]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  157.255228][ T4004] RIP: 0033:0x7fc6da46a54e
[  157.255232][ T4004] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  157.255234][ T4004] RSP: 002b:00007ffd692305a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  157.255237][ T4004] RAX: ffffffffffffffda RBX: 00007ffd69230d68 RCX: 00007fc6da46a54e
[  157.255238][ T4004] RDX: 0000000000000000 RSI: 00007ffd69230650 RDI: 0000000000000005
[  157.255239][ T4004] RBP: 00007ffd692305b0 R08: 0000000000000000 R09: 0000000000000000
[  157.255240][ T4004] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125c6
[  157.255241][ T4004] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd69230d20
| [  158.470455][ T4041] softirqs last disabled at (22237): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  158.470457][ T4041] Preemption disabled at:
| [  158.470458][ T4041] vprintk_emit (kernel/printk/printk.c:2471)
| [  158.470467][ T4041] Tainted: [W]=WARN
[  158.470468][ T4041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  158.470470][ T4041] Call Trace:
[  158.470472][ T4041]  <TASK>
[  158.470473][ T4041]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  158.470479][ T4041]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  158.470481][ T4041]  __might_resched.cold (kernel/sched/core.c:9234)
[  158.470485][ T4041]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  158.470490][ T4041]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  158.470494][ T4041]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  158.470496][ T4041]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  158.470503][ T4041]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  158.470506][ T4041]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  158.470510][ T4041]  put_chars (drivers/char/virtio_console.c:1176)
[  158.470513][ T4041]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  158.470520][ T4041]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  158.470527][ T4041]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  158.470531][ T4041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  158.470535][ T4041]  console_emit_next_record (kernel/printk/printk.c:3183)
[  158.470540][ T4041]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  158.470542][ T4041]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  158.470545][ T4041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  158.470548][ T4041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  158.470552][ T4041]  console_flush_one_record (kernel/printk/printk.c:3268)
[  158.470556][ T4041]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  158.470559][ T4041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  158.470564][ T4041]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  158.470567][ T4041]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  158.470569][ T4041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  158.470571][ T4041]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  158.470575][ T4041]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  158.470577][ T4041]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  158.470580][ T4041]  vprintk_emit (kernel/printk/printk.c:2479)
[  158.470583][ T4041]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  158.470586][ T4041]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  158.470591][ T4041]  _printk (kernel/printk/printk.c:2504)
[  158.470595][ T4041]  ? snapshot_read.cold (user.c:?)
[  158.470597][ T4041]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  158.470600][ T4041]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  158.470603][ T4041]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  158.470605][ T4041]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  158.470609][ T4041]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  158.470612][ T4041]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  158.470614][ T4041]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  158.470617][ T4041]  ? netdev_notice (net/core/dev.c:13194)
[  158.470620][ T4041]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  158.470623][ T4041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  158.470626][ T4041]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  158.470630][ T4041]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  158.470632][ T4041]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  158.470634][ T4041]  ? register_netdev (net/core/dev.c:11618)
[  158.470636][ T4041]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  158.470642][ T4041]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  158.470645][ T4041]  ? __kernel_text_address (kernel/extable.c:79)
[  158.470648][ T4041]  ? write_profile (profile.c:?)
[  158.470653][ T4041]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  158.470658][ T4041]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  158.470662][ T4041]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  158.470664][ T4041]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  158.470666][ T4041]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  158.470668][ T4041]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  158.470672][ T4041]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  158.470674][ T4041]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  158.470676][ T4041]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  158.470679][ T4041]  ? kasan_save_stack (mm/kasan/common.c:58)
[  158.470681][ T4041]  ? kasan_save_stack (mm/kasan/common.c:57)
[  158.470683][ T4041]  ? kasan_save_track (mm/kasan/common.c:78)
[  158.470684][ T4041]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  158.470687][ T4041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  158.470689][ T4041]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  158.470692][ T4041]  ? ___sys_sendmsg (net/socket.c:2758)
[  158.470696][ T4041]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  158.470698][ T4041]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  158.470701][ T4041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  158.470703][ T4041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  158.470705][ T4041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  158.470706][ T4041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  158.470708][ T4041]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  158.470711][ T4041]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  158.470712][ T4041]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  158.470714][ T4041]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  158.470718][ T4041]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  158.470719][ T4041]  ? nla_get_range_signed (lib/nlattr.c:270)
[  158.470725][ T4041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  158.470727][ T4041]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  158.470733][ T4041]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  158.470739][ T4041]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  158.470741][ T4041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  158.470746][ T4041]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  158.470748][ T4041]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  158.470750][ T4041]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  158.470752][ T4041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  158.470756][ T4041]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  158.470758][ T4041]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  158.470762][ T4041]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  158.470763][ T4041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  158.470768][ T4041]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  158.470770][ T4041]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  158.470774][ T4041]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  158.470777][ T4041]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  158.470780][ T4041]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  158.470787][ T4041]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  158.470789][ T4041]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  158.470794][ T4041]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  158.470798][ T4041]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  158.470801][ T4041]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  158.470805][ T4041]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  158.470810][ T4041]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  158.470814][ T4041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  158.470816][ T4041]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  158.470821][ T4041]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  158.470824][ T4041]  ____sys_sendmsg (net/socket.c:2713)
[  158.470827][ T4041]  ? copy_msghdr_from_user (net/socket.c:2650)
[  158.470829][ T4041]  ? sock_write_iter (net/socket.c:1269)
[  158.470831][ T4041]  ? move_addr_to_kernel (net/socket.c:258)
[  158.470839][ T4041]  ___sys_sendmsg (net/socket.c:2767)
[  158.470844][ T4041]  ? copy_msghdr_from_user (net/socket.c:2619)
[  158.470863][ T4041]  __sys_sendmsg (net/socket.c:2799)
[  158.470866][ T4041]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  158.470875][ T4041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  158.470878][ T4041]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  158.470882][ T4041]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  158.470886][ T4041]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  158.470888][ T4041] RIP: 0033:0x7f6ab760254e
[  158.470892][ T4041] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  158.470895][ T4041] RSP: 002b:00007ffe359aedf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  158.470898][ T4041] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6ab760254e
[  158.470900][ T4041] RDX: 0000000000000000 RSI: 00007ffe359aeea0 RDI: 0000000000000005
[  158.470901][ T4041] RBP: 00007ffe359aee00 R08: 0000000000000000 R09: 0000000000000000
[  158.470902][ T4041] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125c7
[  158.470903][ T4041] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe359af560
| [  160.504906][ T4108] softirqs last disabled at (18036): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  160.504909][ T4108] Preemption disabled at:
| [  160.504910][ T4108] vprintk_emit (kernel/printk/printk.c:2471)
| [  160.504923][ T4108] Tainted: [W]=WARN
[  160.504924][ T4108] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  160.504926][ T4108] Call Trace:
[  160.504929][ T4108]  <TASK>
[  160.504931][ T4108]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  160.504938][ T4108]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  160.504941][ T4108]  __might_resched.cold (kernel/sched/core.c:9234)
[  160.504948][ T4108]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  160.504953][ T4108]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  160.504960][ T4108]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  160.504964][ T4108]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.504973][ T4108]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  160.504978][ T4108]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.504984][ T4108]  put_chars (drivers/char/virtio_console.c:1176)
[  160.504988][ T4108]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  160.504990][ T4108]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  160.504995][ T4108]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  160.504999][ T4108]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  160.505008][ T4108]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  160.505013][ T4108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.505022][ T4108]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  160.505027][ T4108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.505036][ T4108]  console_emit_next_record (kernel/printk/printk.c:3183)
[  160.505042][ T4108]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  160.505045][ T4108]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  160.505051][ T4108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.505054][ T4108]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.505060][ T4108]  console_flush_one_record (kernel/printk/printk.c:3268)
[  160.505068][ T4108]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  160.505071][ T4108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.505080][ T4108]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  160.505085][ T4108]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  160.505088][ T4108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.505091][ T4108]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  160.505098][ T4108]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  160.505101][ T4108]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  160.505106][ T4108]  vprintk_emit (kernel/printk/printk.c:2479)
[  160.505112][ T4108]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  160.505115][ T4108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.505120][ T4108]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  160.505126][ T4108]  _printk (kernel/printk/printk.c:2504)
[  160.505132][ T4108]  ? snapshot_read.cold (user.c:?)
[  160.505138][ T4108]  ? br_multicast_flood (??:?)
[  160.505142][ T4108]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  160.505144][ T4108]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  160.505147][ T4108]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.505155][ T4108]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  160.505162][ T4108]  br_init_port (net/bridge/br_stp_if.c:39)
[  160.505166][ T4108]  new_nbp (net/bridge/br_if.c:449)
[  160.505173][ T4108]  br_add_if (net/bridge/br_if.c:592)
[  160.505176][ T4108]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  160.505189][ T4108]  do_set_master (net/core/rtnetlink.c:3071)
[  160.505198][ T4108]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  160.505205][ T4108]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  160.505208][ T4108]  ? __dev_get_by_name (net/core/dev.c:905)
[  160.505212][ T4108]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  160.505229][ T4108]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  160.505242][ T4108]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.505252][ T4108]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.505255][ T4108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.505267][ T4108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.505275][ T4108]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.505278][ T4108]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.505284][ T4108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.505286][ T4108]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.505295][ T4108]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.505298][ T4108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.505305][ T4108]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  160.505309][ T4108]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.505314][ T4108]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  160.505326][ T4108]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  160.505329][ T4108]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  160.505337][ T4108]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  160.505344][ T4108]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  160.505354][ T4108]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  160.505362][ T4108]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  160.505368][ T4108]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.505371][ T4108]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  160.505380][ T4108]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  160.505386][ T4108]  ____sys_sendmsg (net/socket.c:2713)
[  160.505390][ T4108]  ? copy_msghdr_from_user (net/socket.c:2650)
[  160.505394][ T4108]  ? sock_write_iter (net/socket.c:1269)
[  160.505396][ T4108]  ? move_addr_to_kernel (net/socket.c:258)
[  160.505404][ T4108]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  160.505408][ T4108]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.505415][ T4108]  ___sys_sendmsg (net/socket.c:2767)
[  160.505418][ T4108]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  160.505422][ T4108]  ? copy_msghdr_from_user (net/socket.c:2619)
[  160.505426][ T4108]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  160.505455][ T4108]  __sys_sendmsg (net/socket.c:2799)
[  160.505460][ T4108]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  160.505470][ T4108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.505473][ T4108]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.505479][ T4108]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  160.505484][ T4108]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  160.505489][ T4108]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  160.505492][ T4108] RIP: 0033:0x7f1c8f62254e
[  160.505498][ T4108] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  160.505501][ T4108] RSP: 002b:00007ffd0ca08d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  160.505505][ T4108] RAX: ffffffffffffffda RBX: 00007ffd0ca09528 RCX: 00007f1c8f62254e
[  160.505507][ T4108] RDX: 0000000000000000 RSI: 00007ffd0ca08e10 RDI: 0000000000000005
[  160.505509][ T4108] RBP: 00007ffd0ca08d70 R08: 0000000000000000 R09: 0000000000000000
[  160.505510][ T4108] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125c9
[  160.505512][ T4108] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0ca094e0
| [  168.760428][   T71] softirqs last disabled at (2932009): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  168.760431][   T71] Preemption disabled at:
| [  168.760431][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  168.760440][   T71] Tainted: [W]=WARN
[  168.760442][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  168.760444][   T71] Workqueue: netns cleanup_net
[  168.760447][   T71] Call Trace:
[  168.760448][   T71]  <TASK>
[  168.760451][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  168.760457][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  168.760459][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  168.760464][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  168.760468][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  168.760472][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  168.760475][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.760482][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  168.760485][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.760489][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  168.760492][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  168.760493][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  168.760497][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  168.760500][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  168.760505][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  168.760509][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.760515][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  168.760519][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.760524][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  168.760528][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  168.760530][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  168.760533][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.760535][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.760540][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  168.760544][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  168.760546][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  168.760552][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  168.760555][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  168.760557][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.760559][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  168.760563][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  168.760565][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  168.760568][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  168.760571][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  168.760573][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  168.760575][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  168.760577][   T71]  ? kthread (kernel/kthread.c:436)
[  168.760579][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  168.760582][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  168.760587][   T71]  _printk (kernel/printk/printk.c:2504)
[  168.760591][   T71]  ? snapshot_read.cold (user.c:?)
[  168.760595][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  168.760599][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  168.760604][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  168.760606][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  168.760611][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.760613][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  168.760616][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  168.760618][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  168.760620][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  168.760624][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  168.760628][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  168.760635][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  168.760638][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  168.760642][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  168.760646][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  168.760648][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  168.760650][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  168.760654][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  168.760659][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  168.760662][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  168.760666][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.760668][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.760672][   T71]  process_one_work (kernel/workqueue.c:3387)
[  168.760679][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  168.760682][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  168.760690][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  168.760694][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  168.760697][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  168.760700][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  168.760703][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  168.760705][   T71]  kthread (kernel/kthread.c:436)
[  168.760707][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  168.760711][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  168.760714][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  168.760717][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  168.760720][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  168.760724][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  168.760727][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  170.237094][ T4322] softirqs last disabled at (22328): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  170.237098][ T4322] Preemption disabled at:
| [  170.237099][ T4322] vprintk_emit (kernel/printk/printk.c:2471)
| [  170.237111][ T4322] Tainted: [W]=WARN
[  170.237113][ T4322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  170.237115][ T4322] Call Trace:
[  170.237118][ T4322]  <TASK>
[  170.237120][ T4322]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  170.237127][ T4322]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  170.237130][ T4322]  __might_resched.cold (kernel/sched/core.c:9234)
[  170.237137][ T4322]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  170.237143][ T4322]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  170.237150][ T4322]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  170.237153][ T4322]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.237164][ T4322]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  170.237169][ T4322]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.237175][ T4322]  put_chars (drivers/char/virtio_console.c:1176)
[  170.237180][ T4322]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  170.237193][ T4322]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  170.237209][ T4322]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  170.237216][ T4322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.237224][ T4322]  console_emit_next_record (kernel/printk/printk.c:3183)
[  170.237231][ T4322]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  170.237234][ T4322]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  170.237239][ T4322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.237244][ T4322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.237252][ T4322]  console_flush_one_record (kernel/printk/printk.c:3268)
[  170.237260][ T4322]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  170.237263][ T4322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.237274][ T4322]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  170.237279][ T4322]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  170.237282][ T4322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.237286][ T4322]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  170.237293][ T4322]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  170.237297][ T4322]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  170.237303][ T4322]  vprintk_emit (kernel/printk/printk.c:2479)
[  170.237310][ T4322]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  170.237316][ T4322]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  170.237324][ T4322]  _printk (kernel/printk/printk.c:2504)
[  170.237330][ T4322]  ? snapshot_read.cold (user.c:?)
[  170.237333][ T4322]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  170.237338][ T4322]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  170.237343][ T4322]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  170.237346][ T4322]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  170.237352][ T4322]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  170.237357][ T4322]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  170.237362][ T4322]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  170.237367][ T4322]  ? netdev_notice (net/core/dev.c:13194)
[  170.237372][ T4322]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  170.237378][ T4322]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.237383][ T4322]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  170.237390][ T4322]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  170.237394][ T4322]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  170.237398][ T4322]  ? register_netdev (net/core/dev.c:11618)
[  170.237401][ T4322]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  170.237410][ T4322]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  170.237415][ T4322]  ? __kernel_text_address (kernel/extable.c:79)
[  170.237419][ T4322]  ? write_profile (profile.c:?)
[  170.237426][ T4322]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  170.237437][ T4322]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  170.237444][ T4322]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  170.237448][ T4322]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  170.237450][ T4322]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  170.237454][ T4322]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  170.237459][ T4322]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  170.237462][ T4322]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  170.237465][ T4322]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  170.237470][ T4322]  ? kasan_save_stack (mm/kasan/common.c:58)
[  170.237473][ T4322]  ? kasan_save_stack (mm/kasan/common.c:57)
[  170.237475][ T4322]  ? kasan_save_track (mm/kasan/common.c:78)
[  170.237478][ T4322]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  170.237482][ T4322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.237486][ T4322]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  170.237490][ T4322]  ? ___sys_sendmsg (net/socket.c:2758)
[  170.237497][ T4322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  170.237501][ T4322]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  170.237506][ T4322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.237510][ T4322]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.237512][ T4322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.237515][ T4322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.237518][ T4322]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  170.237522][ T4322]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  170.237525][ T4322]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  170.237529][ T4322]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  170.237535][ T4322]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  170.237537][ T4322]  ? nla_get_range_signed (lib/nlattr.c:270)
[  170.237546][ T4322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.237550][ T4322]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  170.237560][ T4322]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  170.237571][ T4322]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  170.237574][ T4322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.237583][ T4322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  170.237587][ T4322]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  170.237590][ T4322]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  170.237594][ T4322]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.237601][ T4322]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  170.237605][ T4322]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  170.237611][ T4322]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.237613][ T4322]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  170.237622][ T4322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  170.237625][ T4322]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  170.237632][ T4322]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  170.237636][ T4322]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.237642][ T4322]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  170.237654][ T4322]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  170.237657][ T4322]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  170.237665][ T4322]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  170.237673][ T4322]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  170.237677][ T4322]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  170.237685][ T4322]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  170.237692][ T4322]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  170.237699][ T4322]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  170.237702][ T4322]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  170.237711][ T4322]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  170.237716][ T4322]  ____sys_sendmsg (net/socket.c:2713)
[  170.237720][ T4322]  ? copy_msghdr_from_user (net/socket.c:2650)
[  170.237723][ T4322]  ? sock_write_iter (net/socket.c:1269)
[  170.237726][ T4322]  ? move_addr_to_kernel (net/socket.c:258)
[  170.237740][ T4322]  ___sys_sendmsg (net/socket.c:2767)
[  170.237746][ T4322]  ? copy_msghdr_from_user (net/socket.c:2619)
[  170.237777][ T4322]  __sys_sendmsg (net/socket.c:2799)
[  170.237781][ T4322]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  170.237793][ T4322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.237799][ T4322]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  170.237803][ T4322]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  170.237808][ T4322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.237812][ T4322] RIP: 0033:0x7fb50eb4954e
[  170.237817][ T4322] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  170.237820][ T4322] RSP: 002b:00007fff2124b720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  170.237824][ T4322] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb50eb4954e
[  170.237826][ T4322] RDX: 0000000000000000 RSI: 00007fff2124b7d0 RDI: 0000000000000005
[  170.237828][ T4322] RBP: 00007fff2124b730 R08: 0000000000000000 R09: 0000000000000000
[  170.237830][ T4322] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125d3
[  170.237831][ T4322] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff2124be90
| [  172.300075][ T4397] softirqs last disabled at (24350): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  172.300077][ T4397] Preemption disabled at:
| [  172.300078][ T4397] vprintk_emit (kernel/printk/printk.c:2471)
| [  172.300087][ T4397] Tainted: [W]=WARN
[  172.300088][ T4397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  172.300090][ T4397] Call Trace:
[  172.300092][ T4397]  <TASK>
[  172.300094][ T4397]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  172.300100][ T4397]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  172.300102][ T4397]  __might_resched.cold (kernel/sched/core.c:9234)
[  172.300107][ T4397]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  172.300111][ T4397]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  172.300116][ T4397]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  172.300118][ T4397]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.300125][ T4397]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  172.300128][ T4397]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.300132][ T4397]  put_chars (drivers/char/virtio_console.c:1176)
[  172.300135][ T4397]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  172.300136][ T4397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  172.300140][ T4397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  172.300143][ T4397]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  172.300148][ T4397]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  172.300152][ T4397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  172.300158][ T4397]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  172.300161][ T4397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.300166][ T4397]  console_emit_next_record (kernel/printk/printk.c:3183)
[  172.300171][ T4397]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  172.300173][ T4397]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  172.300176][ T4397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.300178][ T4397]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.300183][ T4397]  console_flush_one_record (kernel/printk/printk.c:3268)
[  172.300187][ T4397]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  172.300189][ T4397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  172.300197][ T4397]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  172.300201][ T4397]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  172.300203][ T4397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.300205][ T4397]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  172.300209][ T4397]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  172.300211][ T4397]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  172.300214][ T4397]  vprintk_emit (kernel/printk/printk.c:2479)
[  172.300217][ T4397]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  172.300219][ T4397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  172.300222][ T4397]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  172.300226][ T4397]  _printk (kernel/printk/printk.c:2504)
[  172.300230][ T4397]  ? snapshot_read.cold (user.c:?)
[  172.300234][ T4397]  ? br_multicast_flood (??:?)
[  172.300237][ T4397]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  172.300238][ T4397]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  172.300240][ T4397]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  172.300244][ T4397]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  172.300249][ T4397]  br_init_port (net/bridge/br_stp_if.c:39)
[  172.300252][ T4397]  new_nbp (net/bridge/br_if.c:449)
[  172.300256][ T4397]  br_add_if (net/bridge/br_if.c:592)
[  172.300258][ T4397]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  172.300266][ T4397]  do_set_master (net/core/rtnetlink.c:3071)
[  172.300270][ T4397]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  172.300274][ T4397]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  172.300276][ T4397]  ? __dev_get_by_name (net/core/dev.c:905)
[  172.300278][ T4397]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  172.300288][ T4397]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  172.300295][ T4397]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  172.300301][ T4397]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  172.300303][ T4397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  172.300310][ T4397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  172.300314][ T4397]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  172.300316][ T4397]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  172.300320][ T4397]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  172.300321][ T4397]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  172.300326][ T4397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  172.300328][ T4397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  172.300332][ T4397]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  172.300336][ T4397]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  172.300339][ T4397]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  172.300346][ T4397]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  172.300348][ T4397]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  172.300353][ T4397]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  172.300357][ T4397]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  172.300363][ T4397]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  172.300367][ T4397]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  172.300371][ T4397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  172.300373][ T4397]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  172.300379][ T4397]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  172.300383][ T4397]  ____sys_sendmsg (net/socket.c:2713)
[  172.300386][ T4397]  ? copy_msghdr_from_user (net/socket.c:2650)
[  172.300388][ T4397]  ? sock_write_iter (net/socket.c:1269)
[  172.300390][ T4397]  ? move_addr_to_kernel (net/socket.c:258)
[  172.300395][ T4397]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  172.300398][ T4397]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  172.300402][ T4397]  ___sys_sendmsg (net/socket.c:2767)
[  172.300404][ T4397]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  172.300407][ T4397]  ? copy_msghdr_from_user (net/socket.c:2619)
[  172.300409][ T4397]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  172.300425][ T4397]  __sys_sendmsg (net/socket.c:2799)
[  172.300428][ T4397]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  172.300434][ T4397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.300436][ T4397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.300439][ T4397]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  172.300443][ T4397]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  172.300446][ T4397]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.300449][ T4397] RIP: 0033:0x7f3a5a73d54e
[  172.300453][ T4397] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  172.300455][ T4397] RSP: 002b:00007fffbaf01ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  172.300458][ T4397] RAX: ffffffffffffffda RBX: 00007fffbaf026a8 RCX: 00007f3a5a73d54e
[  172.300459][ T4397] RDX: 0000000000000000 RSI: 00007fffbaf01f90 RDI: 0000000000000005
[  172.300461][ T4397] RBP: 00007fffbaf01ef0 R08: 0000000000000000 R09: 0000000000000000
[  172.300461][ T4397] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125d5
[  172.300462][ T4397] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbaf02660
| [  173.563481][ T4434] softirqs last disabled at (20218): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  173.563484][ T4434] Preemption disabled at:
| [  173.563485][ T4434] vprintk_emit (kernel/printk/printk.c:2471)
| [  173.563494][ T4434] Tainted: [W]=WARN
[  173.563495][ T4434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  173.563496][ T4434] Call Trace:
[  173.563498][ T4434]  <TASK>
[  173.563500][ T4434]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  173.563506][ T4434]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  173.563508][ T4434]  __might_resched.cold (kernel/sched/core.c:9234)
[  173.563513][ T4434]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  173.563517][ T4434]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  173.563522][ T4434]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  173.563524][ T4434]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.563531][ T4434]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  173.563534][ T4434]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  173.563538][ T4434]  put_chars (drivers/char/virtio_console.c:1176)
[  173.563540][ T4434]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  173.563547][ T4434]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  173.563555][ T4434]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  173.563559][ T4434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.563564][ T4434]  console_emit_next_record (kernel/printk/printk.c:3183)
[  173.563568][ T4434]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  173.563570][ T4434]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  173.563574][ T4434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.563577][ T4434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.563581][ T4434]  console_flush_one_record (kernel/printk/printk.c:3268)
[  173.563586][ T4434]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  173.563588][ T4434]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.563593][ T4434]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  173.563596][ T4434]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  173.563598][ T4434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.563600][ T4434]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  173.563604][ T4434]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  173.563606][ T4434]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  173.563609][ T4434]  vprintk_emit (kernel/printk/printk.c:2479)
[  173.563612][ T4434]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  173.563615][ T4434]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  173.563620][ T4434]  _printk (kernel/printk/printk.c:2504)
[  173.563624][ T4434]  ? snapshot_read.cold (user.c:?)
[  173.563626][ T4434]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  173.563629][ T4434]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  173.563632][ T4434]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  173.563634][ T4434]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  173.563638][ T4434]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  173.563641][ T4434]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  173.563644][ T4434]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  173.563647][ T4434]  ? netdev_notice (net/core/dev.c:13194)
[  173.563650][ T4434]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  173.563653][ T4434]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  173.563656][ T4434]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  173.563659][ T4434]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  173.563662][ T4434]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  173.563664][ T4434]  ? register_netdev (net/core/dev.c:11618)
[  173.563665][ T4434]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  173.563671][ T4434]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  173.563674][ T4434]  ? __kernel_text_address (kernel/extable.c:79)
[  173.563676][ T4434]  ? write_profile (profile.c:?)
[  173.563681][ T4434]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  173.563687][ T4434]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  173.563690][ T4434]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  173.563692][ T4434]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  173.563694][ T4434]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  173.563696][ T4434]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  173.563699][ T4434]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  173.563701][ T4434]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  173.563703][ T4434]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  173.563706][ T4434]  ? kasan_save_stack (mm/kasan/common.c:58)
[  173.563708][ T4434]  ? kasan_save_stack (mm/kasan/common.c:57)
[  173.563709][ T4434]  ? kasan_save_track (mm/kasan/common.c:78)
[  173.563711][ T4434]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  173.563713][ T4434]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.563715][ T4434]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  173.563719][ T4434]  ? ___sys_sendmsg (net/socket.c:2758)
[  173.563723][ T4434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  173.563725][ T4434]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  173.563728][ T4434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.563730][ T4434]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  173.563731][ T4434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.563733][ T4434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.563735][ T4434]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  173.563737][ T4434]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  173.563738][ T4434]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  173.563740][ T4434]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  173.563744][ T4434]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  173.563746][ T4434]  ? nla_get_range_signed (lib/nlattr.c:270)
[  173.563750][ T4434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.563753][ T4434]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  173.563758][ T4434]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  173.563764][ T4434]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.563766][ T4434]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.563771][ T4434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  173.563773][ T4434]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  173.563775][ T4434]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.563777][ T4434]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  173.563781][ T4434]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  173.563783][ T4434]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  173.563787][ T4434]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.563788][ T4434]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  173.563793][ T4434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  173.563795][ T4434]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  173.563799][ T4434]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  173.563802][ T4434]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  173.563805][ T4434]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  173.563812][ T4434]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  173.563814][ T4434]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  173.563819][ T4434]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  173.563823][ T4434]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  173.563826][ T4434]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  173.563830][ T4434]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  173.563835][ T4434]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  173.563839][ T4434]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  173.563840][ T4434]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  173.563846][ T4434]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  173.563849][ T4434]  ____sys_sendmsg (net/socket.c:2713)
[  173.563851][ T4434]  ? copy_msghdr_from_user (net/socket.c:2650)
[  173.563854][ T4434]  ? sock_write_iter (net/socket.c:1269)
[  173.563856][ T4434]  ? move_addr_to_kernel (net/socket.c:258)
[  173.563863][ T4434]  ___sys_sendmsg (net/socket.c:2767)
[  173.563866][ T4434]  ? copy_msghdr_from_user (net/socket.c:2619)
[  173.563883][ T4434]  __sys_sendmsg (net/socket.c:2799)
[  173.563886][ T4434]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  173.563893][ T4434]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  173.563896][ T4434]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  173.563900][ T4434]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  173.563903][ T4434]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  173.563905][ T4434] RIP: 0033:0x7f60cd25754e
[  173.563909][ T4434] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  173.563911][ T4434] RSP: 002b:00007fff40327ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  173.563913][ T4434] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f60cd25754e
[  173.563915][ T4434] RDX: 0000000000000000 RSI: 00007fff40327b70 RDI: 0000000000000005
[  173.563916][ T4434] RBP: 00007fff40327ad0 R08: 0000000000000000 R09: 0000000000000000
[  173.563917][ T4434] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125d6
[  173.563918][ T4434] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff40328230
| [  175.598096][ T4500] softirqs last disabled at (19590): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  175.598098][ T4500] Preemption disabled at:
| [  175.598098][ T4500] vprintk_emit (kernel/printk/printk.c:2471)
| [  175.598107][ T4500] Tainted: [W]=WARN
[  175.598108][ T4500] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  175.598110][ T4500] Call Trace:
[  175.598112][ T4500]  <TASK>
[  175.598113][ T4500]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  175.598121][ T4500]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  175.598124][ T4500]  __might_resched.cold (kernel/sched/core.c:9234)
[  175.598130][ T4500]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  175.598135][ T4500]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  175.598140][ T4500]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  175.598142][ T4500]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  175.598149][ T4500]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  175.598151][ T4500]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  175.598155][ T4500]  put_chars (drivers/char/virtio_console.c:1176)
[  175.598158][ T4500]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  175.598159][ T4500]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  175.598163][ T4500]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  175.598167][ T4500]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  175.598175][ T4500]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  175.598179][ T4500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  175.598184][ T4500]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  175.598188][ T4500]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.598192][ T4500]  console_emit_next_record (kernel/printk/printk.c:3183)
[  175.598200][ T4500]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  175.598202][ T4500]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  175.598205][ T4500]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.598207][ T4500]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  175.598214][ T4500]  console_flush_one_record (kernel/printk/printk.c:3268)
[  175.598219][ T4500]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  175.598222][ T4500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  175.598227][ T4500]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  175.598230][ T4500]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  175.598232][ T4500]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.598234][ T4500]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  175.598238][ T4500]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  175.598240][ T4500]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  175.598243][ T4500]  vprintk_emit (kernel/printk/printk.c:2479)
[  175.598246][ T4500]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  175.598248][ T4500]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  175.598252][ T4500]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  175.598259][ T4500]  _printk (kernel/printk/printk.c:2504)
[  175.598263][ T4500]  ? snapshot_read.cold (user.c:?)
[  175.598267][ T4500]  ? br_multicast_flood (??:?)
[  175.598270][ T4500]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  175.598272][ T4500]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  175.598273][ T4500]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  175.598277][ T4500]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  175.598282][ T4500]  br_init_port (net/bridge/br_stp_if.c:39)
[  175.598285][ T4500]  new_nbp (net/bridge/br_if.c:449)
[  175.598289][ T4500]  br_add_if (net/bridge/br_if.c:592)
[  175.598291][ T4500]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  175.598303][ T4500]  do_set_master (net/core/rtnetlink.c:3071)
[  175.598307][ T4500]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  175.598310][ T4500]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  175.598312][ T4500]  ? __dev_get_by_name (net/core/dev.c:905)
[  175.598315][ T4500]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  175.598325][ T4500]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  175.598331][ T4500]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  175.598337][ T4500]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  175.598340][ T4500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  175.598349][ T4500]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  175.598353][ T4500]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  175.598356][ T4500]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  175.598359][ T4500]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  175.598360][ T4500]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  175.598365][ T4500]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  175.598367][ T4500]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  175.598371][ T4500]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  175.598374][ T4500]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  175.598377][ T4500]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  175.598388][ T4500]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  175.598390][ T4500]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  175.598395][ T4500]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  175.598399][ T4500]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  175.598405][ T4500]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  175.598409][ T4500]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  175.598413][ T4500]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  175.598415][ T4500]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  175.598420][ T4500]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  175.598426][ T4500]  ____sys_sendmsg (net/socket.c:2713)
[  175.598430][ T4500]  ? copy_msghdr_from_user (net/socket.c:2650)
[  175.598432][ T4500]  ? sock_write_iter (net/socket.c:1269)
[  175.598434][ T4500]  ? move_addr_to_kernel (net/socket.c:258)
[  175.598439][ T4500]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  175.598442][ T4500]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  175.598446][ T4500]  ___sys_sendmsg (net/socket.c:2767)
[  175.598447][ T4500]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  175.598450][ T4500]  ? copy_msghdr_from_user (net/socket.c:2619)
[  175.598453][ T4500]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  175.598471][ T4500]  __sys_sendmsg (net/socket.c:2799)
[  175.598475][ T4500]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  175.598481][ T4500]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.598483][ T4500]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  175.598486][ T4500]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  175.598489][ T4500]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  175.598492][ T4500]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  175.598495][ T4500] RIP: 0033:0x7ffbe166354e
[  175.598499][ T4500] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  175.598501][ T4500] RSP: 002b:00007ffe672db160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  175.598504][ T4500] RAX: ffffffffffffffda RBX: 00007ffe672db928 RCX: 00007ffbe166354e
[  175.598505][ T4500] RDX: 0000000000000000 RSI: 00007ffe672db210 RDI: 0000000000000005
[  175.598506][ T4500] RBP: 00007ffe672db170 R08: 0000000000000000 R09: 0000000000000000
[  175.598507][ T4500] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125d8
[  175.598508][ T4500] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe672db8e0
| [  181.508473][   T71] softirqs last disabled at (3224765): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  181.508476][   T71] Preemption disabled at:
| [  181.508477][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.508486][   T71] Tainted: [W]=WARN
[  181.508488][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.508490][   T71] Workqueue: netns cleanup_net
[  181.508493][   T71] Call Trace:
[  181.508495][   T71]  <TASK>
[  181.508497][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.508504][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.508506][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.508513][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.508517][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  181.508522][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  181.508524][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.508531][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  181.508534][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.508538][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  181.508541][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.508543][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  181.508547][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  181.508550][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  181.508558][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.508563][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.508569][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.508573][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.508578][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.508582][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.508585][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  181.508588][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.508590][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.508595][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.508602][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.508605][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  181.508612][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.508615][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.508617][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.508619][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  181.508624][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.508626][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.508629][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.508632][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.508634][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  181.508636][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  181.508638][   T71]  ? kthread (kernel/kthread.c:436)
[  181.508640][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  181.508643][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  181.508649][   T71]  _printk (kernel/printk/printk.c:2504)
[  181.508654][   T71]  ? snapshot_read.cold (user.c:?)
[  181.508661][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.508665][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.508669][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.508673][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  181.508678][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.508680][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  181.508682][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  181.508685][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  181.508688][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  181.508692][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  181.508698][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  181.508706][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  181.508711][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  181.508715][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  181.508719][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  181.508723][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  181.508725][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  181.508728][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  181.508734][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  181.508737][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  181.508744][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.508748][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.508752][   T71]  process_one_work (kernel/workqueue.c:3387)
[  181.508759][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  181.508762][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  181.508771][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  181.508776][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  181.508778][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  181.508781][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  181.508785][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  181.508789][   T71]  kthread (kernel/kthread.c:436)
[  181.508792][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  181.508796][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  181.508799][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  181.508802][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  181.508806][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  181.508810][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  181.508813][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  182.743829][ T4579] softirqs last disabled at (18496): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  182.743832][ T4579] Preemption disabled at:
| [  182.743833][ T4579] vprintk_emit (kernel/printk/printk.c:2471)
| [  182.743842][ T4579] Tainted: [W]=WARN
[  182.743843][ T4579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  182.743845][ T4579] Call Trace:
[  182.743846][ T4579]  <TASK>
[  182.743848][ T4579]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  182.743854][ T4579]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  182.743856][ T4579]  __might_resched.cold (kernel/sched/core.c:9234)
[  182.743861][ T4579]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  182.743865][ T4579]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  182.743869][ T4579]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  182.743871][ T4579]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  182.743878][ T4579]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  182.743881][ T4579]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  182.743885][ T4579]  put_chars (drivers/char/virtio_console.c:1176)
[  182.743888][ T4579]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  182.743895][ T4579]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  182.743903][ T4579]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  182.743906][ T4579]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.743911][ T4579]  console_emit_next_record (kernel/printk/printk.c:3183)
[  182.743916][ T4579]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  182.743918][ T4579]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  182.743921][ T4579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.743924][ T4579]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.743929][ T4579]  console_flush_one_record (kernel/printk/printk.c:3268)
[  182.743933][ T4579]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  182.743935][ T4579]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.743941][ T4579]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  182.743944][ T4579]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  182.743946][ T4579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.743948][ T4579]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  182.743952][ T4579]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  182.743954][ T4579]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  182.743957][ T4579]  vprintk_emit (kernel/printk/printk.c:2479)
[  182.743961][ T4579]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  182.743964][ T4579]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  182.743969][ T4579]  _printk (kernel/printk/printk.c:2504)
[  182.743973][ T4579]  ? snapshot_read.cold (user.c:?)
[  182.743974][ T4579]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  182.743977][ T4579]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  182.743980][ T4579]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  182.743983][ T4579]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  182.743986][ T4579]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  182.743990][ T4579]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  182.743992][ T4579]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  182.743995][ T4579]  ? netdev_notice (net/core/dev.c:13194)
[  182.743998][ T4579]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  182.744002][ T4579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  182.744004][ T4579]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  182.744008][ T4579]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  182.744010][ T4579]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  182.744013][ T4579]  ? register_netdev (net/core/dev.c:11618)
[  182.744014][ T4579]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  182.744026][ T4579]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  182.744029][ T4579]  ? __kernel_text_address (kernel/extable.c:79)
[  182.744032][ T4579]  ? write_profile (profile.c:?)
[  182.744036][ T4579]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  182.744043][ T4579]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  182.744046][ T4579]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  182.744049][ T4579]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  182.744050][ T4579]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  182.744053][ T4579]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  182.744056][ T4579]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  182.744058][ T4579]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  182.744061][ T4579]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  182.744063][ T4579]  ? kasan_save_stack (mm/kasan/common.c:58)
[  182.744065][ T4579]  ? kasan_save_stack (mm/kasan/common.c:57)
[  182.744067][ T4579]  ? kasan_save_track (mm/kasan/common.c:78)
[  182.744068][ T4579]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  182.744071][ T4579]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.744073][ T4579]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  182.744077][ T4579]  ? ___sys_sendmsg (net/socket.c:2758)
[  182.744081][ T4579]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  182.744083][ T4579]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  182.744086][ T4579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.744088][ T4579]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  182.744090][ T4579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.744091][ T4579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.744093][ T4579]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  182.744095][ T4579]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  182.744097][ T4579]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  182.744099][ T4579]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  182.744102][ T4579]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  182.744104][ T4579]  ? nla_get_range_signed (lib/nlattr.c:270)
[  182.744109][ T4579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.744112][ T4579]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  182.744117][ T4579]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  182.744123][ T4579]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  182.744125][ T4579]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.744130][ T4579]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  182.744133][ T4579]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  182.744135][ T4579]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  182.744137][ T4579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  182.744141][ T4579]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  182.744143][ T4579]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  182.744147][ T4579]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  182.744148][ T4579]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  182.744153][ T4579]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  182.744155][ T4579]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  182.744159][ T4579]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  182.744162][ T4579]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  182.744165][ T4579]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  182.744172][ T4579]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  182.744174][ T4579]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  182.744179][ T4579]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  182.744184][ T4579]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  182.744186][ T4579]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  182.744191][ T4579]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  182.744199][ T4579]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  182.744204][ T4579]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  182.744206][ T4579]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  182.744212][ T4579]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  182.744215][ T4579]  ____sys_sendmsg (net/socket.c:2713)
[  182.744218][ T4579]  ? copy_msghdr_from_user (net/socket.c:2650)
[  182.744221][ T4579]  ? sock_write_iter (net/socket.c:1269)
[  182.744222][ T4579]  ? move_addr_to_kernel (net/socket.c:258)
[  182.744231][ T4579]  ___sys_sendmsg (net/socket.c:2767)
[  182.744234][ T4579]  ? copy_msghdr_from_user (net/socket.c:2619)
[  182.744251][ T4579]  __sys_sendmsg (net/socket.c:2799)
[  182.744254][ T4579]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  182.744262][ T4579]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  182.744265][ T4579]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  182.744268][ T4579]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  182.744271][ T4579]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  182.744274][ T4579] RIP: 0033:0x7f384614354e
[  182.744278][ T4579] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  182.744280][ T4579] RSP: 002b:00007ffca9a13290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  182.744283][ T4579] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f384614354e
[  182.744284][ T4579] RDX: 0000000000000000 RSI: 00007ffca9a13340 RDI: 0000000000000005
[  182.744285][ T4579] RBP: 00007ffca9a132a0 R08: 0000000000000000 R09: 0000000000000000
[  182.744286][ T4579] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125e0
[  182.744287][ T4579] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca9a13a00
| [  184.713858][ T4654] softirqs last disabled at (30240): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  184.713861][ T4654] Preemption disabled at:
| [  184.713862][ T4654] vprintk_emit (kernel/printk/printk.c:2471)
| [  184.713871][ T4654] Tainted: [W]=WARN
[  184.713872][ T4654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  184.713874][ T4654] Call Trace:
[  184.713875][ T4654]  <TASK>
[  184.713877][ T4654]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  184.713883][ T4654]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  184.713885][ T4654]  __might_resched.cold (kernel/sched/core.c:9234)
[  184.713890][ T4654]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  184.713894][ T4654]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  184.713899][ T4654]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  184.713901][ T4654]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.713908][ T4654]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  184.713911][ T4654]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  184.713915][ T4654]  put_chars (drivers/char/virtio_console.c:1176)
[  184.713918][ T4654]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  184.713919][ T4654]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  184.713923][ T4654]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  184.713927][ T4654]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  184.713932][ T4654]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  184.713936][ T4654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.713942][ T4654]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  184.713945][ T4654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.713950][ T4654]  console_emit_next_record (kernel/printk/printk.c:3183)
[  184.713954][ T4654]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  184.713956][ T4654]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  184.713960][ T4654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.713962][ T4654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  184.713966][ T4654]  console_flush_one_record (kernel/printk/printk.c:3268)
[  184.713970][ T4654]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  184.713972][ T4654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.713978][ T4654]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  184.713981][ T4654]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  184.713983][ T4654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.713985][ T4654]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  184.713989][ T4654]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  184.713991][ T4654]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  184.713994][ T4654]  vprintk_emit (kernel/printk/printk.c:2479)
[  184.713997][ T4654]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  184.713999][ T4654]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  184.714002][ T4654]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  184.714006][ T4654]  _printk (kernel/printk/printk.c:2504)
[  184.714010][ T4654]  ? snapshot_read.cold (user.c:?)
[  184.714014][ T4654]  ? br_multicast_flood (??:?)
[  184.714017][ T4654]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  184.714019][ T4654]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  184.714020][ T4654]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  184.714024][ T4654]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  184.714029][ T4654]  br_init_port (net/bridge/br_stp_if.c:39)
[  184.714032][ T4654]  new_nbp (net/bridge/br_if.c:449)
[  184.714040][ T4654]  br_add_if (net/bridge/br_if.c:592)
[  184.714043][ T4654]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  184.714050][ T4654]  do_set_master (net/core/rtnetlink.c:3071)
[  184.714054][ T4654]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  184.714058][ T4654]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  184.714060][ T4654]  ? __dev_get_by_name (net/core/dev.c:905)
[  184.714062][ T4654]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  184.714072][ T4654]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  184.714079][ T4654]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  184.714085][ T4654]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  184.714087][ T4654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.714095][ T4654]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  184.714099][ T4654]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  184.714101][ T4654]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  184.714105][ T4654]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  184.714106][ T4654]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  184.714111][ T4654]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  184.714113][ T4654]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  184.714117][ T4654]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  184.714120][ T4654]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  184.714124][ T4654]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  184.714130][ T4654]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  184.714133][ T4654]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  184.714138][ T4654]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  184.714142][ T4654]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  184.714148][ T4654]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  184.714152][ T4654]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  184.714156][ T4654]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  184.714158][ T4654]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  184.714163][ T4654]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  184.714168][ T4654]  ____sys_sendmsg (net/socket.c:2713)
[  184.714170][ T4654]  ? copy_msghdr_from_user (net/socket.c:2650)
[  184.714173][ T4654]  ? sock_write_iter (net/socket.c:1269)
[  184.714174][ T4654]  ? move_addr_to_kernel (net/socket.c:258)
[  184.714179][ T4654]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  184.714182][ T4654]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  184.714186][ T4654]  ___sys_sendmsg (net/socket.c:2767)
[  184.714188][ T4654]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  184.714191][ T4654]  ? copy_msghdr_from_user (net/socket.c:2619)
[  184.714194][ T4654]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  184.714215][ T4654]  __sys_sendmsg (net/socket.c:2799)
[  184.714218][ T4654]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  184.714224][ T4654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.714226][ T4654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  184.714230][ T4654]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  184.714234][ T4654]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  184.714237][ T4654]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  184.714239][ T4654] RIP: 0033:0x7fa49e96554e
[  184.714243][ T4654] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  184.714246][ T4654] RSP: 002b:00007ffd259ecdf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  184.714248][ T4654] RAX: ffffffffffffffda RBX: 00007ffd259ed5b8 RCX: 00007fa49e96554e
[  184.714250][ T4654] RDX: 0000000000000000 RSI: 00007ffd259ecea0 RDI: 0000000000000005
[  184.714251][ T4654] RBP: 00007ffd259ece00 R08: 0000000000000000 R09: 0000000000000000
[  184.714252][ T4654] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125e2
[  184.714253][ T4654] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd259ed570
| [  185.903866][ T4691] softirqs last disabled at (22282): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  185.903869][ T4691] Preemption disabled at:
| [  185.903870][ T4691] vprintk_emit (kernel/printk/printk.c:2471)
| [  185.903878][ T4691] Tainted: [W]=WARN
[  185.903880][ T4691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  185.903881][ T4691] Call Trace:
[  185.903883][ T4691]  <TASK>
[  185.903885][ T4691]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  185.903891][ T4691]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  185.903893][ T4691]  __might_resched.cold (kernel/sched/core.c:9234)
[  185.903897][ T4691]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  185.903902][ T4691]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  185.903906][ T4691]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  185.903908][ T4691]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.903915][ T4691]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  185.903917][ T4691]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.903921][ T4691]  put_chars (drivers/char/virtio_console.c:1176)
[  185.903924][ T4691]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  185.903930][ T4691]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  185.903938][ T4691]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  185.903941][ T4691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.903945][ T4691]  console_emit_next_record (kernel/printk/printk.c:3183)
[  185.903950][ T4691]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  185.903952][ T4691]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  185.903955][ T4691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.903958][ T4691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.903962][ T4691]  console_flush_one_record (kernel/printk/printk.c:3268)
[  185.903966][ T4691]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  185.903968][ T4691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.903974][ T4691]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  185.903977][ T4691]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  185.903979][ T4691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.903981][ T4691]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  185.903984][ T4691]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  185.903986][ T4691]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  185.903989][ T4691]  vprintk_emit (kernel/printk/printk.c:2479)
[  185.903992][ T4691]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  185.903995][ T4691]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  185.904001][ T4691]  _printk (kernel/printk/printk.c:2504)
[  185.904004][ T4691]  ? snapshot_read.cold (user.c:?)
[  185.904006][ T4691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  185.904009][ T4691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  185.904012][ T4691]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  185.904014][ T4691]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  185.904018][ T4691]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  185.904021][ T4691]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  185.904023][ T4691]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  185.904026][ T4691]  ? netdev_notice (net/core/dev.c:13194)
[  185.904029][ T4691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.904032][ T4691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.904034][ T4691]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  185.904038][ T4691]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  185.904040][ T4691]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  185.904047][ T4691]  ? register_netdev (net/core/dev.c:11618)
[  185.904049][ T4691]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  185.904054][ T4691]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  185.904057][ T4691]  ? __kernel_text_address (kernel/extable.c:79)
[  185.904060][ T4691]  ? write_profile (profile.c:?)
[  185.904064][ T4691]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  185.904070][ T4691]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  185.904073][ T4691]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  185.904076][ T4691]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  185.904077][ T4691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  185.904079][ T4691]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  185.904083][ T4691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  185.904085][ T4691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  185.904086][ T4691]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  185.904089][ T4691]  ? kasan_save_stack (mm/kasan/common.c:58)
[  185.904091][ T4691]  ? kasan_save_stack (mm/kasan/common.c:57)
[  185.904092][ T4691]  ? kasan_save_track (mm/kasan/common.c:78)
[  185.904093][ T4691]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  185.904096][ T4691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.904098][ T4691]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  185.904101][ T4691]  ? ___sys_sendmsg (net/socket.c:2758)
[  185.904105][ T4691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.904107][ T4691]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  185.904110][ T4691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.904112][ T4691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.904114][ T4691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.904115][ T4691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.904116][ T4691]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  185.904119][ T4691]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  185.904120][ T4691]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  185.904122][ T4691]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  185.904125][ T4691]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  185.904127][ T4691]  ? nla_get_range_signed (lib/nlattr.c:270)
[  185.904132][ T4691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.904134][ T4691]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  185.904139][ T4691]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  185.904144][ T4691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.904146][ T4691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.904151][ T4691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.904153][ T4691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.904155][ T4691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.904157][ T4691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.904160][ T4691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  185.904162][ T4691]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  185.904166][ T4691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  185.904167][ T4691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  185.904171][ T4691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  185.904173][ T4691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.904177][ T4691]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  185.904180][ T4691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  185.904183][ T4691]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  185.904189][ T4691]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  185.904192][ T4691]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  185.904199][ T4691]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  185.904203][ T4691]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  185.904206][ T4691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  185.904210][ T4691]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  185.904214][ T4691]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  185.904218][ T4691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  185.904219][ T4691]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  185.904225][ T4691]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  185.904228][ T4691]  ____sys_sendmsg (net/socket.c:2713)
[  185.904230][ T4691]  ? copy_msghdr_from_user (net/socket.c:2650)
[  185.904232][ T4691]  ? sock_write_iter (net/socket.c:1269)
[  185.904234][ T4691]  ? move_addr_to_kernel (net/socket.c:258)
[  185.904241][ T4691]  ___sys_sendmsg (net/socket.c:2767)
[  185.904244][ T4691]  ? copy_msghdr_from_user (net/socket.c:2619)
[  185.904260][ T4691]  __sys_sendmsg (net/socket.c:2799)
[  185.904263][ T4691]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  185.904269][ T4691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.904272][ T4691]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  185.904275][ T4691]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  185.904278][ T4691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  185.904280][ T4691] RIP: 0033:0x7f558db5854e
[  185.904284][ T4691] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  185.904285][ T4691] RSP: 002b:00007fff23abf540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  185.904288][ T4691] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f558db5854e
[  185.904290][ T4691] RDX: 0000000000000000 RSI: 00007fff23abf5f0 RDI: 0000000000000005
[  185.904291][ T4691] RBP: 00007fff23abf550 R08: 0000000000000000 R09: 0000000000000000
[  185.904292][ T4691] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125e3
[  185.904293][ T4691] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff23abfcb0
| [  188.125571][ T4757] softirqs last disabled at (18854): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  188.125575][ T4757] Preemption disabled at:
| [  188.125576][ T4757] vprintk_emit (kernel/printk/printk.c:2471)
| [  188.125587][ T4757] Tainted: [W]=WARN
[  188.125589][ T4757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  188.125591][ T4757] Call Trace:
[  188.125593][ T4757]  <TASK>
[  188.125596][ T4757]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  188.125604][ T4757]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  188.125606][ T4757]  __might_resched.cold (kernel/sched/core.c:9234)
[  188.125613][ T4757]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  188.125619][ T4757]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  188.125626][ T4757]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  188.125629][ T4757]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.125639][ T4757]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  188.125642][ T4757]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.125649][ T4757]  put_chars (drivers/char/virtio_console.c:1176)
[  188.125653][ T4757]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  188.125656][ T4757]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  188.125661][ T4757]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  188.125665][ T4757]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  188.125674][ T4757]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  188.125679][ T4757]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  188.125689][ T4757]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  188.125694][ T4757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.125702][ T4757]  console_emit_next_record (kernel/printk/printk.c:3183)
[  188.125709][ T4757]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  188.125712][ T4757]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  188.125718][ T4757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.125721][ T4757]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.125728][ T4757]  console_flush_one_record (kernel/printk/printk.c:3268)
[  188.125735][ T4757]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  188.125738][ T4757]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  188.125748][ T4757]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  188.125753][ T4757]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  188.125755][ T4757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.125759][ T4757]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  188.125765][ T4757]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  188.125768][ T4757]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  188.125773][ T4757]  vprintk_emit (kernel/printk/printk.c:2479)
[  188.125778][ T4757]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  188.125782][ T4757]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  188.125786][ T4757]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  188.125793][ T4757]  _printk (kernel/printk/printk.c:2504)
[  188.125798][ T4757]  ? snapshot_read.cold (user.c:?)
[  188.125804][ T4757]  ? br_multicast_flood (??:?)
[  188.125808][ T4757]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  188.125810][ T4757]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  188.125813][ T4757]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  188.125820][ T4757]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  188.125828][ T4757]  br_init_port (net/bridge/br_stp_if.c:39)
[  188.125832][ T4757]  new_nbp (net/bridge/br_if.c:449)
[  188.125838][ T4757]  br_add_if (net/bridge/br_if.c:592)
[  188.125842][ T4757]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  188.125855][ T4757]  do_set_master (net/core/rtnetlink.c:3071)
[  188.125861][ T4757]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  188.125868][ T4757]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  188.125871][ T4757]  ? __dev_get_by_name (net/core/dev.c:905)
[  188.125874][ T4757]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  188.125892][ T4757]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  188.125904][ T4757]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  188.125914][ T4757]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  188.125918][ T4757]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  188.125930][ T4757]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  188.125937][ T4757]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  188.125941][ T4757]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  188.125946][ T4757]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  188.125949][ T4757]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  188.125957][ T4757]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  188.125960][ T4757]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  188.125967][ T4757]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  188.125971][ T4757]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  188.125977][ T4757]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  188.125988][ T4757]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  188.125991][ T4757]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  188.126000][ T4757]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  188.126007][ T4757]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  188.126017][ T4757]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  188.126024][ T4757]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  188.126031][ T4757]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  188.126034][ T4757]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  188.126042][ T4757]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  188.126048][ T4757]  ____sys_sendmsg (net/socket.c:2713)
[  188.126052][ T4757]  ? copy_msghdr_from_user (net/socket.c:2650)
[  188.126056][ T4757]  ? sock_write_iter (net/socket.c:1269)
[  188.126063][ T4757]  ? move_addr_to_kernel (net/socket.c:258)
[  188.126072][ T4757]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  188.126075][ T4757]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  188.126082][ T4757]  ___sys_sendmsg (net/socket.c:2767)
[  188.126085][ T4757]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  188.126090][ T4757]  ? copy_msghdr_from_user (net/socket.c:2619)
[  188.126094][ T4757]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  188.126122][ T4757]  __sys_sendmsg (net/socket.c:2799)
[  188.126127][ T4757]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  188.126137][ T4757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.126140][ T4757]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.126146][ T4757]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  188.126151][ T4757]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  188.126156][ T4757]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  188.126160][ T4757] RIP: 0033:0x7f31f88a654e
[  188.126165][ T4757] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  188.126168][ T4757] RSP: 002b:00007ffce8bb37d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  188.126171][ T4757] RAX: ffffffffffffffda RBX: 00007ffce8bb3f98 RCX: 00007f31f88a654e
[  188.126174][ T4757] RDX: 0000000000000000 RSI: 00007ffce8bb3880 RDI: 0000000000000005
[  188.126176][ T4757] RBP: 00007ffce8bb37e0 R08: 0000000000000000 R09: 0000000000000000
[  188.126177][ T4757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125e5
[  188.126179][ T4757] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce8bb3f50
| [  194.100323][   T71] softirqs last disabled at (3477540): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  194.100325][   T71] Preemption disabled at:
| [  194.100326][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  194.100335][   T71] Tainted: [W]=WARN
[  194.100336][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  194.100338][   T71] Workqueue: netns cleanup_net
[  194.100341][   T71] Call Trace:
[  194.100343][   T71]  <TASK>
[  194.100345][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  194.100351][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  194.100353][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  194.100358][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  194.100362][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  194.100367][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  194.100369][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.100376][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  194.100379][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  194.100383][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  194.100386][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  194.100387][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  194.100391][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  194.100394][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  194.100399][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  194.100403][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.100409][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  194.100412][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.100417][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  194.100422][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  194.100424][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  194.100427][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.100429][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.100434][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  194.100438][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  194.100440][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  194.100446][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  194.100449][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  194.100452][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.100453][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  194.100458][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  194.100460][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  194.100463][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  194.100466][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  194.100467][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  194.100469][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  194.100471][   T71]  ? kthread (kernel/kthread.c:436)
[  194.100474][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  194.100477][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  194.100482][   T71]  _printk (kernel/printk/printk.c:2504)
[  194.100486][   T71]  ? snapshot_read.cold (user.c:?)
[  194.100491][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  194.100495][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  194.100499][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  194.100502][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  194.100507][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.100509][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  194.100512][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  194.100514][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  194.100516][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  194.100521][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  194.100525][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  194.100532][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  194.100536][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  194.100540][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  194.100543][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  194.100547][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  194.100549][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  194.100553][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  194.100558][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  194.100561][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  194.100565][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  194.100567][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  194.100571][   T71]  process_one_work (kernel/workqueue.c:3387)
[  194.100578][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  194.100582][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  194.100590][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  194.100595][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  194.100597][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  194.100600][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  194.100603][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  194.100605][   T71]  kthread (kernel/kthread.c:436)
[  194.100607][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  194.100611][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  194.100614][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  194.100617][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  194.100621][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  194.100624][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  194.100627][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  195.205030][ T4836] softirqs last disabled at (16054): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  195.205032][ T4836] Preemption disabled at:
| [  195.205033][ T4836] vprintk_emit (kernel/printk/printk.c:2471)
| [  195.205042][ T4836] Tainted: [W]=WARN
[  195.205043][ T4836] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  195.205045][ T4836] Call Trace:
[  195.205046][ T4836]  <TASK>
[  195.205048][ T4836]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  195.205054][ T4836]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  195.205056][ T4836]  __might_resched.cold (kernel/sched/core.c:9234)
[  195.205060][ T4836]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  195.205064][ T4836]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  195.205069][ T4836]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  195.205071][ T4836]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.205078][ T4836]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  195.205080][ T4836]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  195.205084][ T4836]  put_chars (drivers/char/virtio_console.c:1176)
[  195.205087][ T4836]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  195.205093][ T4836]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  195.205101][ T4836]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  195.205105][ T4836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.205115][ T4836]  console_emit_next_record (kernel/printk/printk.c:3183)
[  195.205119][ T4836]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  195.205121][ T4836]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  195.205125][ T4836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.205128][ T4836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.205132][ T4836]  console_flush_one_record (kernel/printk/printk.c:3268)
[  195.205136][ T4836]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  195.205138][ T4836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  195.205144][ T4836]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  195.205147][ T4836]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  195.205149][ T4836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.205151][ T4836]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  195.205155][ T4836]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  195.205156][ T4836]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  195.205159][ T4836]  vprintk_emit (kernel/printk/printk.c:2479)
[  195.205163][ T4836]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  195.205165][ T4836]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  195.205170][ T4836]  _printk (kernel/printk/printk.c:2504)
[  195.205174][ T4836]  ? snapshot_read.cold (user.c:?)
[  195.205176][ T4836]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  195.205179][ T4836]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  195.205182][ T4836]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  195.205184][ T4836]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  195.205188][ T4836]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  195.205191][ T4836]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  195.205193][ T4836]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  195.205199][ T4836]  ? netdev_notice (net/core/dev.c:13194)
[  195.205202][ T4836]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  195.205205][ T4836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  195.205208][ T4836]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  195.205212][ T4836]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  195.205214][ T4836]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  195.205216][ T4836]  ? register_netdev (net/core/dev.c:11618)
[  195.205218][ T4836]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  195.205223][ T4836]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  195.205226][ T4836]  ? __kernel_text_address (kernel/extable.c:79)
[  195.205229][ T4836]  ? write_profile (profile.c:?)
[  195.205233][ T4836]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  195.205239][ T4836]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  195.205242][ T4836]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  195.205244][ T4836]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  195.205246][ T4836]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  195.205248][ T4836]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  195.205252][ T4836]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  195.205254][ T4836]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  195.205256][ T4836]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  195.205258][ T4836]  ? kasan_save_stack (mm/kasan/common.c:58)
[  195.205260][ T4836]  ? kasan_save_stack (mm/kasan/common.c:57)
[  195.205262][ T4836]  ? kasan_save_track (mm/kasan/common.c:78)
[  195.205263][ T4836]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  195.205266][ T4836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  195.205268][ T4836]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  195.205271][ T4836]  ? ___sys_sendmsg (net/socket.c:2758)
[  195.205275][ T4836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  195.205277][ T4836]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  195.205279][ T4836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.205281][ T4836]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  195.205283][ T4836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.205284][ T4836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.205286][ T4836]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  195.205289][ T4836]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  195.205290][ T4836]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  195.205292][ T4836]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  195.205296][ T4836]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  195.205297][ T4836]  ? nla_get_range_signed (lib/nlattr.c:270)
[  195.205302][ T4836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.205304][ T4836]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  195.205309][ T4836]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  195.205315][ T4836]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  195.205317][ T4836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  195.205321][ T4836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  195.205323][ T4836]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  195.205325][ T4836]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  195.205327][ T4836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  195.205331][ T4836]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  195.205334][ T4836]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  195.205337][ T4836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  195.205338][ T4836]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  195.205343][ T4836]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  195.205345][ T4836]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  195.205348][ T4836]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  195.205352][ T4836]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  195.205355][ T4836]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  195.205361][ T4836]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  195.205363][ T4836]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  195.205368][ T4836]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  195.205372][ T4836]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  195.205375][ T4836]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  195.205379][ T4836]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  195.205383][ T4836]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  195.205387][ T4836]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  195.205389][ T4836]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  195.205394][ T4836]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  195.205397][ T4836]  ____sys_sendmsg (net/socket.c:2713)
[  195.205399][ T4836]  ? copy_msghdr_from_user (net/socket.c:2650)
[  195.205402][ T4836]  ? sock_write_iter (net/socket.c:1269)
[  195.205403][ T4836]  ? move_addr_to_kernel (net/socket.c:258)
[  195.205411][ T4836]  ___sys_sendmsg (net/socket.c:2767)
[  195.205414][ T4836]  ? copy_msghdr_from_user (net/socket.c:2619)
[  195.205430][ T4836]  __sys_sendmsg (net/socket.c:2799)
[  195.205433][ T4836]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  195.205439][ T4836]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  195.205442][ T4836]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  195.205446][ T4836]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  195.205449][ T4836]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  195.205451][ T4836] RIP: 0033:0x7fb98436454e
[  195.205455][ T4836] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  195.205457][ T4836] RSP: 002b:00007ffc62afafe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  195.205460][ T4836] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb98436454e
[  195.205461][ T4836] RDX: 0000000000000000 RSI: 00007ffc62afb090 RDI: 0000000000000005
[  195.205463][ T4836] RBP: 00007ffc62afaff0 R08: 0000000000000000 R09: 0000000000000000
[  195.205463][ T4836] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125ec
[  195.205464][ T4836] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc62afb750
| [  197.082336][ T4910] softirqs last disabled at (24522): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  197.082338][ T4910] Preemption disabled at:
| [  197.082339][ T4910] vprintk_emit (kernel/printk/printk.c:2471)
| [  197.082348][ T4910] Tainted: [W]=WARN
[  197.082349][ T4910] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  197.082351][ T4910] Call Trace:
[  197.082353][ T4910]  <TASK>
[  197.082354][ T4910]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  197.082361][ T4910]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  197.082362][ T4910]  __might_resched.cold (kernel/sched/core.c:9234)
[  197.082367][ T4910]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  197.082372][ T4910]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  197.082376][ T4910]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  197.082378][ T4910]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.082385][ T4910]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  197.082388][ T4910]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  197.082392][ T4910]  put_chars (drivers/char/virtio_console.c:1176)
[  197.082395][ T4910]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  197.082396][ T4910]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  197.082400][ T4910]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  197.082403][ T4910]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  197.082408][ T4910]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  197.082412][ T4910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.082418][ T4910]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  197.082421][ T4910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.082426][ T4910]  console_emit_next_record (kernel/printk/printk.c:3183)
[  197.082431][ T4910]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  197.082433][ T4910]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  197.082436][ T4910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.082438][ T4910]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  197.082443][ T4910]  console_flush_one_record (kernel/printk/printk.c:3268)
[  197.082447][ T4910]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  197.082449][ T4910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.082455][ T4910]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  197.082458][ T4910]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  197.082460][ T4910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.082462][ T4910]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  197.082466][ T4910]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  197.082468][ T4910]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  197.082471][ T4910]  vprintk_emit (kernel/printk/printk.c:2479)
[  197.082474][ T4910]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  197.082476][ T4910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.082479][ T4910]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  197.082483][ T4910]  _printk (kernel/printk/printk.c:2504)
[  197.082487][ T4910]  ? snapshot_read.cold (user.c:?)
[  197.082491][ T4910]  ? br_multicast_flood (??:?)
[  197.082494][ T4910]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  197.082496][ T4910]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  197.082497][ T4910]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  197.082501][ T4910]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  197.082506][ T4910]  br_init_port (net/bridge/br_stp_if.c:39)
[  197.082509][ T4910]  new_nbp (net/bridge/br_if.c:449)
[  197.082513][ T4910]  br_add_if (net/bridge/br_if.c:592)
[  197.082515][ T4910]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  197.082524][ T4910]  do_set_master (net/core/rtnetlink.c:3071)
[  197.082528][ T4910]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  197.082531][ T4910]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  197.082533][ T4910]  ? __dev_get_by_name (net/core/dev.c:905)
[  197.082536][ T4910]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  197.082546][ T4910]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  197.082553][ T4910]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  197.082558][ T4910]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  197.082560][ T4910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.082568][ T4910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.082572][ T4910]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  197.082574][ T4910]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  197.082577][ T4910]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  197.082579][ T4910]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  197.082584][ T4910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  197.082586][ T4910]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.082590][ T4910]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  197.082594][ T4910]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  197.082597][ T4910]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  197.082604][ T4910]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  197.082606][ T4910]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  197.082611][ T4910]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  197.082615][ T4910]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  197.082621][ T4910]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  197.082626][ T4910]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  197.082630][ T4910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  197.082632][ T4910]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  197.082637][ T4910]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  197.082641][ T4910]  ____sys_sendmsg (net/socket.c:2713)
[  197.082644][ T4910]  ? copy_msghdr_from_user (net/socket.c:2650)
[  197.082646][ T4910]  ? sock_write_iter (net/socket.c:1269)
[  197.082648][ T4910]  ? move_addr_to_kernel (net/socket.c:258)
[  197.082653][ T4910]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  197.082655][ T4910]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  197.082660][ T4910]  ___sys_sendmsg (net/socket.c:2767)
[  197.082661][ T4910]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  197.082664][ T4910]  ? copy_msghdr_from_user (net/socket.c:2619)
[  197.082667][ T4910]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  197.082683][ T4910]  __sys_sendmsg (net/socket.c:2799)
[  197.082686][ T4910]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  197.082692][ T4910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.082694][ T4910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  197.082697][ T4910]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  197.082701][ T4910]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  197.082704][ T4910]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  197.082706][ T4910] RIP: 0033:0x7f68848f554e
[  197.082711][ T4910] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  197.082713][ T4910] RSP: 002b:00007ffeb1147400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  197.082715][ T4910] RAX: ffffffffffffffda RBX: 00007ffeb1147bc8 RCX: 00007f68848f554e
[  197.082717][ T4910] RDX: 0000000000000000 RSI: 00007ffeb11474b0 RDI: 0000000000000005
[  197.082718][ T4910] RBP: 00007ffeb1147410 R08: 0000000000000000 R09: 0000000000000000
[  197.082719][ T4910] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125ee
[  197.082720][ T4910] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb1147b80
| [  198.199243][ T4947] softirqs last disabled at (22176): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  198.199246][ T4947] Preemption disabled at:
| [  198.199247][ T4947] vprintk_emit (kernel/printk/printk.c:2471)
| [  198.199255][ T4947] Tainted: [W]=WARN
[  198.199257][ T4947] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  198.199258][ T4947] Call Trace:
[  198.199260][ T4947]  <TASK>
[  198.199261][ T4947]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  198.199267][ T4947]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  198.199269][ T4947]  __might_resched.cold (kernel/sched/core.c:9234)
[  198.199274][ T4947]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  198.199278][ T4947]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  198.199282][ T4947]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  198.199284][ T4947]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.199291][ T4947]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  198.199294][ T4947]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.199298][ T4947]  put_chars (drivers/char/virtio_console.c:1176)
[  198.199300][ T4947]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  198.199307][ T4947]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  198.199315][ T4947]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  198.199318][ T4947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.199323][ T4947]  console_emit_next_record (kernel/printk/printk.c:3183)
[  198.199327][ T4947]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  198.199329][ T4947]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  198.199333][ T4947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.199336][ T4947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.199340][ T4947]  console_flush_one_record (kernel/printk/printk.c:3268)
[  198.199344][ T4947]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  198.199346][ T4947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  198.199352][ T4947]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  198.199355][ T4947]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  198.199357][ T4947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.199359][ T4947]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  198.199363][ T4947]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  198.199365][ T4947]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  198.199368][ T4947]  vprintk_emit (kernel/printk/printk.c:2479)
[  198.199371][ T4947]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  198.199374][ T4947]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  198.199379][ T4947]  _printk (kernel/printk/printk.c:2504)
[  198.199383][ T4947]  ? snapshot_read.cold (user.c:?)
[  198.199385][ T4947]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  198.199388][ T4947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  198.199391][ T4947]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  198.199393][ T4947]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  198.199397][ T4947]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  198.199400][ T4947]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  198.199402][ T4947]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  198.199405][ T4947]  ? netdev_notice (net/core/dev.c:13194)
[  198.199408][ T4947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  198.199412][ T4947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  198.199414][ T4947]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  198.199418][ T4947]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  198.199420][ T4947]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  198.199423][ T4947]  ? register_netdev (net/core/dev.c:11618)
[  198.199424][ T4947]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  198.199430][ T4947]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  198.199432][ T4947]  ? __kernel_text_address (kernel/extable.c:79)
[  198.199435][ T4947]  ? write_profile (profile.c:?)
[  198.199439][ T4947]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  198.199445][ T4947]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  198.199449][ T4947]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  198.199451][ T4947]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  198.199452][ T4947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  198.199454][ T4947]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  198.199458][ T4947]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  198.199460][ T4947]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  198.199462][ T4947]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  198.199465][ T4947]  ? kasan_save_stack (mm/kasan/common.c:58)
[  198.199467][ T4947]  ? kasan_save_stack (mm/kasan/common.c:57)
[  198.199468][ T4947]  ? kasan_save_track (mm/kasan/common.c:78)
[  198.199469][ T4947]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  198.199472][ T4947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  198.199474][ T4947]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  198.199477][ T4947]  ? ___sys_sendmsg (net/socket.c:2758)
[  198.199481][ T4947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  198.199483][ T4947]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  198.199486][ T4947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.199488][ T4947]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.199490][ T4947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.199491][ T4947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.199493][ T4947]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  198.199495][ T4947]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  198.199497][ T4947]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  198.199499][ T4947]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  198.199503][ T4947]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  198.199504][ T4947]  ? nla_get_range_signed (lib/nlattr.c:270)
[  198.199509][ T4947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.199512][ T4947]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  198.199517][ T4947]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  198.199522][ T4947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  198.199524][ T4947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  198.199529][ T4947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  198.199531][ T4947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  198.199533][ T4947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  198.199535][ T4947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  198.199539][ T4947]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  198.199541][ T4947]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  198.199545][ T4947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  198.199546][ T4947]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  198.199551][ T4947]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  198.199553][ T4947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  198.199556][ T4947]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  198.199560][ T4947]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  198.199563][ T4947]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  198.199569][ T4947]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  198.199572][ T4947]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  198.199576][ T4947]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  198.199580][ T4947]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  198.199583][ T4947]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  198.199587][ T4947]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  198.199592][ T4947]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  198.199596][ T4947]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  198.199597][ T4947]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  198.199603][ T4947]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  198.199606][ T4947]  ____sys_sendmsg (net/socket.c:2713)
[  198.199608][ T4947]  ? copy_msghdr_from_user (net/socket.c:2650)
[  198.199611][ T4947]  ? sock_write_iter (net/socket.c:1269)
[  198.199612][ T4947]  ? move_addr_to_kernel (net/socket.c:258)
[  198.199620][ T4947]  ___sys_sendmsg (net/socket.c:2767)
[  198.199623][ T4947]  ? copy_msghdr_from_user (net/socket.c:2619)
[  198.199639][ T4947]  __sys_sendmsg (net/socket.c:2799)
[  198.199642][ T4947]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  198.199649][ T4947]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.199652][ T4947]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  198.199655][ T4947]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  198.199658][ T4947]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  198.199660][ T4947] RIP: 0033:0x7f27cce6f54e
[  198.199664][ T4947] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  198.199666][ T4947] RSP: 002b:00007fffd1fb7360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  198.199669][ T4947] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f27cce6f54e
[  198.199671][ T4947] RDX: 0000000000000000 RSI: 00007fffd1fb7410 RDI: 0000000000000005
[  198.199671][ T4947] RBP: 00007fffd1fb7370 R08: 0000000000000000 R09: 0000000000000000
[  198.199672][ T4947] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125ef
[  198.199673][ T4947] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd1fb7ad0
| [  200.104050][ T5013] softirqs last disabled at (18230): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  200.104052][ T5013] Preemption disabled at:
| [  200.104053][ T5013] vprintk_emit (kernel/printk/printk.c:2471)
| [  200.104062][ T5013] Tainted: [W]=WARN
[  200.104063][ T5013] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  200.104064][ T5013] Call Trace:
[  200.104066][ T5013]  <TASK>
[  200.104068][ T5013]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  200.104074][ T5013]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  200.104075][ T5013]  __might_resched.cold (kernel/sched/core.c:9234)
[  200.104080][ T5013]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  200.104084][ T5013]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  200.104089][ T5013]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  200.104091][ T5013]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.104098][ T5013]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  200.104101][ T5013]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  200.104105][ T5013]  put_chars (drivers/char/virtio_console.c:1176)
[  200.104107][ T5013]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  200.104109][ T5013]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  200.104112][ T5013]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  200.104115][ T5013]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  200.104120][ T5013]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  200.104125][ T5013]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.104130][ T5013]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  200.104133][ T5013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.104138][ T5013]  console_emit_next_record (kernel/printk/printk.c:3183)
[  200.104142][ T5013]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  200.104144][ T5013]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  200.104152][ T5013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.104154][ T5013]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  200.104158][ T5013]  console_flush_one_record (kernel/printk/printk.c:3268)
[  200.104162][ T5013]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  200.104164][ T5013]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.104170][ T5013]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  200.104173][ T5013]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  200.104175][ T5013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.104177][ T5013]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  200.104181][ T5013]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  200.104182][ T5013]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  200.104185][ T5013]  vprintk_emit (kernel/printk/printk.c:2479)
[  200.104189][ T5013]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  200.104191][ T5013]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  200.104194][ T5013]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  200.104200][ T5013]  _printk (kernel/printk/printk.c:2504)
[  200.104204][ T5013]  ? snapshot_read.cold (user.c:?)
[  200.104208][ T5013]  ? br_multicast_flood (??:?)
[  200.104211][ T5013]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  200.104212][ T5013]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  200.104214][ T5013]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  200.104218][ T5013]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  200.104222][ T5013]  br_init_port (net/bridge/br_stp_if.c:39)
[  200.104225][ T5013]  new_nbp (net/bridge/br_if.c:449)
[  200.104229][ T5013]  br_add_if (net/bridge/br_if.c:592)
[  200.104231][ T5013]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  200.104239][ T5013]  do_set_master (net/core/rtnetlink.c:3071)
[  200.104243][ T5013]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  200.104247][ T5013]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  200.104248][ T5013]  ? __dev_get_by_name (net/core/dev.c:905)
[  200.104251][ T5013]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  200.104260][ T5013]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  200.104267][ T5013]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  200.104273][ T5013]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  200.104275][ T5013]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.104282][ T5013]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  200.104286][ T5013]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  200.104288][ T5013]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  200.104291][ T5013]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  200.104293][ T5013]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  200.104297][ T5013]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  200.104300][ T5013]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  200.104304][ T5013]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  200.104307][ T5013]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  200.104310][ T5013]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  200.104316][ T5013]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  200.104319][ T5013]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  200.104323][ T5013]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  200.104327][ T5013]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  200.104333][ T5013]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  200.104338][ T5013]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  200.104342][ T5013]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  200.104343][ T5013]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  200.104349][ T5013]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  200.104353][ T5013]  ____sys_sendmsg (net/socket.c:2713)
[  200.104355][ T5013]  ? copy_msghdr_from_user (net/socket.c:2650)
[  200.104358][ T5013]  ? sock_write_iter (net/socket.c:1269)
[  200.104360][ T5013]  ? move_addr_to_kernel (net/socket.c:258)
[  200.104364][ T5013]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  200.104367][ T5013]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  200.104371][ T5013]  ___sys_sendmsg (net/socket.c:2767)
[  200.104373][ T5013]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  200.104375][ T5013]  ? copy_msghdr_from_user (net/socket.c:2619)
[  200.104378][ T5013]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  200.104394][ T5013]  __sys_sendmsg (net/socket.c:2799)
[  200.104397][ T5013]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  200.104402][ T5013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.104404][ T5013]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  200.104407][ T5013]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  200.104411][ T5013]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  200.104414][ T5013]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  200.104416][ T5013] RIP: 0033:0x7f0e4da1854e
[  200.104420][ T5013] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  200.104422][ T5013] RSP: 002b:00007ffdb8758640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  200.104425][ T5013] RAX: ffffffffffffffda RBX: 00007ffdb8758e08 RCX: 00007f0e4da1854e
[  200.104427][ T5013] RDX: 0000000000000000 RSI: 00007ffdb87586f0 RDI: 0000000000000005
[  200.104427][ T5013] RBP: 00007ffdb8758650 R08: 0000000000000000 R09: 0000000000000000
[  200.104428][ T5013] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125f1
[  200.104429][ T5013] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb8758dc0
| [  205.954783][   T71] softirqs last disabled at (3758078): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  205.954786][   T71] Preemption disabled at:
| [  205.954786][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  205.954796][   T71] Tainted: [W]=WARN
[  205.954797][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  205.954798][   T71] Workqueue: netns cleanup_net
[  205.954802][   T71] Call Trace:
[  205.954804][   T71]  <TASK>
[  205.954806][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  205.954812][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  205.954814][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  205.954818][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  205.954822][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  205.954827][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  205.954829][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  205.954836][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  205.954839][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  205.954843][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  205.954846][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  205.954848][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  205.954852][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  205.954855][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  205.954861][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  205.954865][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  205.954871][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  205.954874][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.954879][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  205.954883][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  205.954885][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  205.954889][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.954891][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.954895][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  205.954899][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  205.954901][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  205.954907][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  205.954910][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  205.954912][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.954914][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  205.954918][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  205.954920][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  205.954923][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  205.954926][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  205.954928][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  205.954930][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  205.954932][   T71]  ? kthread (kernel/kthread.c:436)
[  205.954934][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  205.954937][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  205.954942][   T71]  _printk (kernel/printk/printk.c:2504)
[  205.954946][   T71]  ? snapshot_read.cold (user.c:?)
[  205.954950][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  205.954954][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  205.954958][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  205.954961][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  205.954966][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.954968][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  205.954971][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  205.954973][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  205.954975][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  205.954980][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  205.954984][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  205.954990][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  205.954994][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  205.954998][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  205.955002][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  205.955005][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  205.955007][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  205.955011][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  205.955016][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  205.955019][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  205.955023][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  205.955025][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  205.955029][   T71]  process_one_work (kernel/workqueue.c:3387)
[  205.955036][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  205.955039][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  205.955047][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  205.955052][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  205.955054][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  205.955057][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  205.955060][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  205.955062][   T71]  kthread (kernel/kthread.c:436)
[  205.955064][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  205.955068][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  205.955071][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  205.955074][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  205.955077][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  205.955081][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  205.955084][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  207.085942][ T5092] softirqs last disabled at (22764): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  207.085944][ T5092] Preemption disabled at:
| [  207.085945][ T5092] vprintk_emit (kernel/printk/printk.c:2471)
| [  207.085954][ T5092] Tainted: [W]=WARN
[  207.085955][ T5092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  207.085957][ T5092] Call Trace:
[  207.085958][ T5092]  <TASK>
[  207.085960][ T5092]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  207.085966][ T5092]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  207.085968][ T5092]  __might_resched.cold (kernel/sched/core.c:9234)
[  207.085972][ T5092]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  207.085977][ T5092]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  207.085981][ T5092]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  207.085983][ T5092]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  207.085990][ T5092]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  207.085993][ T5092]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  207.085997][ T5092]  put_chars (drivers/char/virtio_console.c:1176)
[  207.085999][ T5092]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  207.086006][ T5092]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  207.086014][ T5092]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  207.086017][ T5092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.086021][ T5092]  console_emit_next_record (kernel/printk/printk.c:3183)
[  207.086025][ T5092]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  207.086028][ T5092]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  207.086031][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.086034][ T5092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.086038][ T5092]  console_flush_one_record (kernel/printk/printk.c:3268)
[  207.086042][ T5092]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  207.086044][ T5092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  207.086050][ T5092]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  207.086053][ T5092]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  207.086055][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.086057][ T5092]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  207.086060][ T5092]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  207.086062][ T5092]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  207.086065][ T5092]  vprintk_emit (kernel/printk/printk.c:2479)
[  207.086068][ T5092]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  207.086071][ T5092]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  207.086076][ T5092]  _printk (kernel/printk/printk.c:2504)
[  207.086080][ T5092]  ? snapshot_read.cold (user.c:?)
[  207.086082][ T5092]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  207.086085][ T5092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  207.086088][ T5092]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  207.086090][ T5092]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  207.086094][ T5092]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  207.086097][ T5092]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  207.086100][ T5092]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  207.086103][ T5092]  ? netdev_notice (net/core/dev.c:13194)
[  207.086105][ T5092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  207.086109][ T5092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  207.086111][ T5092]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  207.086115][ T5092]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  207.086117][ T5092]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  207.086119][ T5092]  ? register_netdev (net/core/dev.c:11618)
[  207.086121][ T5092]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  207.086127][ T5092]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  207.086129][ T5092]  ? __kernel_text_address (kernel/extable.c:79)
[  207.086132][ T5092]  ? write_profile (profile.c:?)
[  207.086136][ T5092]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  207.086142][ T5092]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  207.086146][ T5092]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  207.086148][ T5092]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  207.086149][ T5092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  207.086151][ T5092]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  207.086155][ T5092]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  207.086157][ T5092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  207.086159][ T5092]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  207.086162][ T5092]  ? kasan_save_stack (mm/kasan/common.c:58)
[  207.086164][ T5092]  ? kasan_save_stack (mm/kasan/common.c:57)
[  207.086165][ T5092]  ? kasan_save_track (mm/kasan/common.c:78)
[  207.086166][ T5092]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  207.086169][ T5092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  207.086171][ T5092]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  207.086174][ T5092]  ? ___sys_sendmsg (net/socket.c:2758)
[  207.086178][ T5092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  207.086180][ T5092]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  207.086183][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.086185][ T5092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.086187][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.086188][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.086190][ T5092]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  207.086192][ T5092]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  207.086193][ T5092]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  207.086205][ T5092]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  207.086209][ T5092]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  207.086210][ T5092]  ? nla_get_range_signed (lib/nlattr.c:270)
[  207.086215][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.086218][ T5092]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  207.086223][ T5092]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  207.086228][ T5092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  207.086231][ T5092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  207.086235][ T5092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  207.086237][ T5092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  207.086239][ T5092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  207.086241][ T5092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  207.086245][ T5092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  207.086247][ T5092]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  207.086251][ T5092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  207.086252][ T5092]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  207.086257][ T5092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  207.086259][ T5092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  207.086262][ T5092]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  207.086266][ T5092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  207.086268][ T5092]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  207.086275][ T5092]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  207.086277][ T5092]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  207.086282][ T5092]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  207.086286][ T5092]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  207.086289][ T5092]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  207.086293][ T5092]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  207.086297][ T5092]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  207.086301][ T5092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  207.086303][ T5092]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  207.086309][ T5092]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  207.086312][ T5092]  ____sys_sendmsg (net/socket.c:2713)
[  207.086314][ T5092]  ? copy_msghdr_from_user (net/socket.c:2650)
[  207.086316][ T5092]  ? sock_write_iter (net/socket.c:1269)
[  207.086318][ T5092]  ? move_addr_to_kernel (net/socket.c:258)
[  207.086325][ T5092]  ___sys_sendmsg (net/socket.c:2767)
[  207.086328][ T5092]  ? copy_msghdr_from_user (net/socket.c:2619)
[  207.086344][ T5092]  __sys_sendmsg (net/socket.c:2799)
[  207.086347][ T5092]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  207.086354][ T5092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.086357][ T5092]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  207.086360][ T5092]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  207.086363][ T5092]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  207.086365][ T5092] RIP: 0033:0x7fdc9d03a54e
[  207.086369][ T5092] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  207.086371][ T5092] RSP: 002b:00007ffc01b75370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  207.086374][ T5092] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdc9d03a54e
[  207.086375][ T5092] RDX: 0000000000000000 RSI: 00007ffc01b75420 RDI: 0000000000000005
[  207.086376][ T5092] RBP: 00007ffc01b75380 R08: 0000000000000000 R09: 0000000000000000
[  207.086377][ T5092] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125f8
[  207.086378][ T5092] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc01b75ae0
| [  208.927200][ T5167] softirqs last disabled at (18290): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  208.927202][ T5167] Preemption disabled at:
| [  208.927203][ T5167] vprintk_emit (kernel/printk/printk.c:2471)
| [  208.927217][ T5167] Tainted: [W]=WARN
[  208.927218][ T5167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  208.927220][ T5167] Call Trace:
[  208.927222][ T5167]  <TASK>
[  208.927223][ T5167]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  208.927230][ T5167]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  208.927231][ T5167]  __might_resched.cold (kernel/sched/core.c:9234)
[  208.927236][ T5167]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  208.927240][ T5167]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  208.927245][ T5167]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  208.927247][ T5167]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  208.927254][ T5167]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  208.927257][ T5167]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  208.927261][ T5167]  put_chars (drivers/char/virtio_console.c:1176)
[  208.927263][ T5167]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  208.927265][ T5167]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  208.927269][ T5167]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  208.927271][ T5167]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  208.927277][ T5167]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  208.927280][ T5167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.927286][ T5167]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  208.927289][ T5167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.927294][ T5167]  console_emit_next_record (kernel/printk/printk.c:3183)
[  208.927298][ T5167]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  208.927300][ T5167]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  208.927304][ T5167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.927305][ T5167]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.927309][ T5167]  console_flush_one_record (kernel/printk/printk.c:3268)
[  208.927314][ T5167]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  208.927316][ T5167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.927321][ T5167]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  208.927324][ T5167]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  208.927326][ T5167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.927328][ T5167]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  208.927332][ T5167]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  208.927334][ T5167]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  208.927337][ T5167]  vprintk_emit (kernel/printk/printk.c:2479)
[  208.927340][ T5167]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  208.927342][ T5167]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  208.927345][ T5167]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  208.927349][ T5167]  _printk (kernel/printk/printk.c:2504)
[  208.927352][ T5167]  ? snapshot_read.cold (user.c:?)
[  208.927356][ T5167]  ? br_multicast_flood (??:?)
[  208.927359][ T5167]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  208.927361][ T5167]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  208.927362][ T5167]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  208.927366][ T5167]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  208.927371][ T5167]  br_init_port (net/bridge/br_stp_if.c:39)
[  208.927373][ T5167]  new_nbp (net/bridge/br_if.c:449)
[  208.927377][ T5167]  br_add_if (net/bridge/br_if.c:592)
[  208.927380][ T5167]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  208.927387][ T5167]  do_set_master (net/core/rtnetlink.c:3071)
[  208.927391][ T5167]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  208.927395][ T5167]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  208.927397][ T5167]  ? __dev_get_by_name (net/core/dev.c:905)
[  208.927399][ T5167]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  208.927409][ T5167]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  208.927415][ T5167]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  208.927421][ T5167]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  208.927423][ T5167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.927430][ T5167]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  208.927434][ T5167]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  208.927436][ T5167]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  208.927439][ T5167]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  208.927441][ T5167]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  208.927445][ T5167]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  208.927447][ T5167]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  208.927451][ T5167]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  208.927454][ T5167]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  208.927457][ T5167]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  208.927464][ T5167]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  208.927466][ T5167]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  208.927470][ T5167]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  208.927475][ T5167]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  208.927480][ T5167]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  208.927485][ T5167]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  208.927489][ T5167]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  208.927490][ T5167]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  208.927496][ T5167]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  208.927500][ T5167]  ____sys_sendmsg (net/socket.c:2713)
[  208.927502][ T5167]  ? copy_msghdr_from_user (net/socket.c:2650)
[  208.927505][ T5167]  ? sock_write_iter (net/socket.c:1269)
[  208.927507][ T5167]  ? move_addr_to_kernel (net/socket.c:258)
[  208.927511][ T5167]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  208.927514][ T5167]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  208.927518][ T5167]  ___sys_sendmsg (net/socket.c:2767)
[  208.927520][ T5167]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  208.927523][ T5167]  ? copy_msghdr_from_user (net/socket.c:2619)
[  208.927525][ T5167]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  208.927540][ T5167]  __sys_sendmsg (net/socket.c:2799)
[  208.927543][ T5167]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  208.927549][ T5167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.927551][ T5167]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.927554][ T5167]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  208.927558][ T5167]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  208.927561][ T5167]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  208.927563][ T5167] RIP: 0033:0x7fd393d0554e
[  208.927567][ T5167] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  208.927569][ T5167] RSP: 002b:00007fffeec99fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  208.927572][ T5167] RAX: ffffffffffffffda RBX: 00007fffeec9a798 RCX: 00007fd393d0554e
[  208.927573][ T5167] RDX: 0000000000000000 RSI: 00007fffeec9a080 RDI: 0000000000000005
[  208.927574][ T5167] RBP: 00007fffeec99fe0 R08: 0000000000000000 R09: 0000000000000000
[  208.927575][ T5167] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125fa
[  208.927576][ T5167] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffeec9a750
| [  210.081109][ T5205] softirqs last disabled at (17018): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  210.081112][ T5205] Preemption disabled at:
| [  210.081113][ T5205] vprintk_emit (kernel/printk/printk.c:2471)
| [  210.081122][ T5205] Tainted: [W]=WARN
[  210.081123][ T5205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  210.081124][ T5205] Call Trace:
[  210.081126][ T5205]  <TASK>
[  210.081128][ T5205]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  210.081134][ T5205]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  210.081136][ T5205]  __might_resched.cold (kernel/sched/core.c:9234)
[  210.081140][ T5205]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  210.081145][ T5205]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  210.081149][ T5205]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  210.081151][ T5205]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.081158][ T5205]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  210.081161][ T5205]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  210.081164][ T5205]  put_chars (drivers/char/virtio_console.c:1176)
[  210.081167][ T5205]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  210.081173][ T5205]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  210.081181][ T5205]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  210.081185][ T5205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.081189][ T5205]  console_emit_next_record (kernel/printk/printk.c:3183)
[  210.081198][ T5205]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  210.081200][ T5205]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  210.081204][ T5205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081207][ T5205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.081211][ T5205]  console_flush_one_record (kernel/printk/printk.c:3268)
[  210.081216][ T5205]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  210.081222][ T5205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.081227][ T5205]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  210.081230][ T5205]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  210.081233][ T5205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081234][ T5205]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  210.081238][ T5205]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  210.081240][ T5205]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  210.081243][ T5205]  vprintk_emit (kernel/printk/printk.c:2479)
[  210.081247][ T5205]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  210.081249][ T5205]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  210.081255][ T5205]  _printk (kernel/printk/printk.c:2504)
[  210.081258][ T5205]  ? snapshot_read.cold (user.c:?)
[  210.081260][ T5205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  210.081263][ T5205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  210.081266][ T5205]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  210.081268][ T5205]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  210.081272][ T5205]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  210.081275][ T5205]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  210.081278][ T5205]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  210.081281][ T5205]  ? netdev_notice (net/core/dev.c:13194)
[  210.081284][ T5205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.081287][ T5205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.081290][ T5205]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  210.081293][ T5205]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  210.081295][ T5205]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  210.081298][ T5205]  ? register_netdev (net/core/dev.c:11618)
[  210.081299][ T5205]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  210.081305][ T5205]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  210.081307][ T5205]  ? __kernel_text_address (kernel/extable.c:79)
[  210.081310][ T5205]  ? write_profile (profile.c:?)
[  210.081314][ T5205]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  210.081320][ T5205]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  210.081324][ T5205]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  210.081326][ T5205]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  210.081328][ T5205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  210.081329][ T5205]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  210.081333][ T5205]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  210.081335][ T5205]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  210.081337][ T5205]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  210.081339][ T5205]  ? kasan_save_stack (mm/kasan/common.c:58)
[  210.081341][ T5205]  ? kasan_save_stack (mm/kasan/common.c:57)
[  210.081343][ T5205]  ? kasan_save_track (mm/kasan/common.c:78)
[  210.081344][ T5205]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  210.081347][ T5205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.081349][ T5205]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  210.081352][ T5205]  ? ___sys_sendmsg (net/socket.c:2758)
[  210.081356][ T5205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.081358][ T5205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  210.081361][ T5205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081363][ T5205]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  210.081365][ T5205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081366][ T5205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081368][ T5205]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  210.081370][ T5205]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  210.081371][ T5205]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  210.081374][ T5205]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  210.081377][ T5205]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  210.081378][ T5205]  ? nla_get_range_signed (lib/nlattr.c:270)
[  210.081383][ T5205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081386][ T5205]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  210.081391][ T5205]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  210.081397][ T5205]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.081399][ T5205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.081404][ T5205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.081406][ T5205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.081408][ T5205]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.081410][ T5205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.081414][ T5205]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  210.081416][ T5205]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  210.081419][ T5205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  210.081420][ T5205]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  210.081425][ T5205]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  210.081427][ T5205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.081431][ T5205]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  210.081434][ T5205]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  210.081437][ T5205]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  210.081444][ T5205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  210.081446][ T5205]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  210.081450][ T5205]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  210.081455][ T5205]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  210.081457][ T5205]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  210.081462][ T5205]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  210.081466][ T5205]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  210.081470][ T5205]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  210.081472][ T5205]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  210.081477][ T5205]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  210.081480][ T5205]  ____sys_sendmsg (net/socket.c:2713)
[  210.081482][ T5205]  ? copy_msghdr_from_user (net/socket.c:2650)
[  210.081485][ T5205]  ? sock_write_iter (net/socket.c:1269)
[  210.081487][ T5205]  ? move_addr_to_kernel (net/socket.c:258)
[  210.081494][ T5205]  ___sys_sendmsg (net/socket.c:2767)
[  210.081497][ T5205]  ? copy_msghdr_from_user (net/socket.c:2619)
[  210.081513][ T5205]  __sys_sendmsg (net/socket.c:2799)
[  210.081516][ T5205]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  210.081522][ T5205]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  210.081526][ T5205]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  210.081529][ T5205]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  210.081532][ T5205]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  210.081534][ T5205] RIP: 0033:0x7fd5b97cf54e
[  210.081538][ T5205] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  210.081540][ T5205] RSP: 002b:00007ffc87563530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  210.081543][ T5205] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd5b97cf54e
[  210.081544][ T5205] RDX: 0000000000000000 RSI: 00007ffc875635e0 RDI: 0000000000000005
[  210.081545][ T5205] RBP: 00007ffc87563540 R08: 0000000000000000 R09: 0000000000000000
[  210.081546][ T5205] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125fb
[  210.081547][ T5205] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc87563ca0
| [  211.910938][ T5263] softirqs last disabled at (17650): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  211.910940][ T5263] Preemption disabled at:
| [  211.910941][ T5263] vprintk_emit (kernel/printk/printk.c:2471)
| [  211.910949][ T5263] Tainted: [W]=WARN
[  211.910951][ T5263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  211.910952][ T5263] Call Trace:
[  211.910954][ T5263]  <TASK>
[  211.910955][ T5263]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  211.910962][ T5263]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  211.910963][ T5263]  __might_resched.cold (kernel/sched/core.c:9234)
[  211.910968][ T5263]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  211.910972][ T5263]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  211.910977][ T5263]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  211.910979][ T5263]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.910985][ T5263]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  211.910988][ T5263]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.910992][ T5263]  put_chars (drivers/char/virtio_console.c:1176)
[  211.910995][ T5263]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  211.910996][ T5263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  211.911000][ T5263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  211.911003][ T5263]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  211.911008][ T5263]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  211.911012][ T5263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.911017][ T5263]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  211.911020][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.911025][ T5263]  console_emit_next_record (kernel/printk/printk.c:3183)
[  211.911029][ T5263]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  211.911031][ T5263]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  211.911035][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.911037][ T5263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.911041][ T5263]  console_flush_one_record (kernel/printk/printk.c:3268)
[  211.911045][ T5263]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  211.911048][ T5263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.911053][ T5263]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  211.911056][ T5263]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  211.911058][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.911060][ T5263]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  211.911064][ T5263]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  211.911066][ T5263]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  211.911068][ T5263]  vprintk_emit (kernel/printk/printk.c:2479)
[  211.911072][ T5263]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  211.911074][ T5263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  211.911077][ T5263]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  211.911080][ T5263]  _printk (kernel/printk/printk.c:2504)
[  211.911084][ T5263]  ? snapshot_read.cold (user.c:?)
[  211.911088][ T5263]  ? br_multicast_flood (??:?)
[  211.911091][ T5263]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  211.911092][ T5263]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  211.911094][ T5263]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  211.911098][ T5263]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  211.911103][ T5263]  br_init_port (net/bridge/br_stp_if.c:39)
[  211.911105][ T5263]  new_nbp (net/bridge/br_if.c:449)
[  211.911109][ T5263]  br_add_if (net/bridge/br_if.c:592)
[  211.911111][ T5263]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  211.911119][ T5263]  do_set_master (net/core/rtnetlink.c:3071)
[  211.911123][ T5263]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  211.911127][ T5263]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  211.911128][ T5263]  ? __dev_get_by_name (net/core/dev.c:905)
[  211.911131][ T5263]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  211.911141][ T5263]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  211.911147][ T5263]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  211.911153][ T5263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  211.911155][ T5263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.911162][ T5263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  211.911166][ T5263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  211.911168][ T5263]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  211.911172][ T5263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  211.911173][ T5263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  211.911178][ T5263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  211.911180][ T5263]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  211.911184][ T5263]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  211.911187][ T5263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  211.911190][ T5263]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  211.911199][ T5263]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  211.911201][ T5263]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  211.911205][ T5263]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  211.911210][ T5263]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  211.911215][ T5263]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  211.911219][ T5263]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  211.911223][ T5263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  211.911225][ T5263]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  211.911231][ T5263]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  211.911238][ T5263]  ____sys_sendmsg (net/socket.c:2713)
[  211.911240][ T5263]  ? copy_msghdr_from_user (net/socket.c:2650)
[  211.911243][ T5263]  ? sock_write_iter (net/socket.c:1269)
[  211.911244][ T5263]  ? move_addr_to_kernel (net/socket.c:258)
[  211.911249][ T5263]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  211.911252][ T5263]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  211.911256][ T5263]  ___sys_sendmsg (net/socket.c:2767)
[  211.911258][ T5263]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  211.911260][ T5263]  ? copy_msghdr_from_user (net/socket.c:2619)
[  211.911263][ T5263]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  211.911278][ T5263]  __sys_sendmsg (net/socket.c:2799)
[  211.911281][ T5263]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  211.911287][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.911289][ T5263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.911292][ T5263]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  211.911296][ T5263]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  211.911299][ T5263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.911301][ T5263] RIP: 0033:0x7f950ee3554e
[  211.911305][ T5263] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  211.911307][ T5263] RSP: 002b:00007ffec869cad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  211.911310][ T5263] RAX: ffffffffffffffda RBX: 00007ffec869d298 RCX: 00007f950ee3554e
[  211.911311][ T5263] RDX: 0000000000000000 RSI: 00007ffec869cb80 RDI: 0000000000000005
[  211.911312][ T5263] RBP: 00007ffec869cae0 R08: 0000000000000000 R09: 0000000000000000
[  211.911313][ T5263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9125fd
[  211.911314][ T5263] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec869d250
| [  217.751914][   T71] softirqs last disabled at (4030860): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  217.751917][   T71] Preemption disabled at:
| [  217.751918][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  217.751927][   T71] Tainted: [W]=WARN
[  217.751928][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  217.751930][   T71] Workqueue: netns cleanup_net
[  217.751934][   T71] Call Trace:
[  217.751936][   T71]  <TASK>
[  217.751937][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  217.751944][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  217.751946][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  217.751951][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  217.751955][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  217.751960][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  217.751962][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.751969][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  217.751972][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  217.751976][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  217.751979][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  217.751980][   T71]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  217.751984][   T71]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  217.751987][   T71]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  217.751993][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  217.751997][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.752003][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  217.752007][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.752012][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  217.752017][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  217.752019][   T71]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  217.752023][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.752025][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.752029][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  217.752034][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  217.752037][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  217.752043][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  217.752046][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  217.752048][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.752050][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  217.752055][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  217.752057][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  217.752060][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  217.752064][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  217.752065][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  217.752067][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  217.752069][   T71]  ? kthread (kernel/kthread.c:436)
[  217.752072][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  217.752075][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  217.752080][   T71]  _printk (kernel/printk/printk.c:2504)
[  217.752084][   T71]  ? snapshot_read.cold (user.c:?)
[  217.752089][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  217.752093][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  217.752098][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  217.752101][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  217.752106][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.752108][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  217.752111][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  217.752113][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  217.752116][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  217.752121][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  217.752125][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  217.752132][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  217.752136][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  217.752140][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  217.752144][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  217.752148][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  217.752150][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  217.752153][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  217.752159][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  217.752162][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  217.752167][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  217.752169][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  217.752173][   T71]  process_one_work (kernel/workqueue.c:3387)
[  217.752181][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  217.752184][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  217.752193][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  217.752200][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  217.752203][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  217.752205][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  217.752209][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  217.752211][   T71]  kthread (kernel/kthread.c:436)
[  217.752213][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  217.752217][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  217.752220][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  217.752224][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  217.752228][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  217.752231][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  217.752234][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  218.912630][ T5342] softirqs last disabled at (17750): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  218.912632][ T5342] Preemption disabled at:
| [  218.912633][ T5342] vprintk_emit (kernel/printk/printk.c:2471)
| [  218.912641][ T5342] Tainted: [W]=WARN
[  218.912643][ T5342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  218.912644][ T5342] Call Trace:
[  218.912646][ T5342]  <TASK>
[  218.912647][ T5342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  218.912653][ T5342]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  218.912655][ T5342]  __might_resched.cold (kernel/sched/core.c:9234)
[  218.912660][ T5342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  218.912664][ T5342]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  218.912669][ T5342]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  218.912671][ T5342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.912677][ T5342]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  218.912680][ T5342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.912684][ T5342]  put_chars (drivers/char/virtio_console.c:1176)
[  218.912687][ T5342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  218.912693][ T5342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  218.912701][ T5342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  218.912704][ T5342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.912708][ T5342]  console_emit_next_record (kernel/printk/printk.c:3183)
[  218.912712][ T5342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  218.912714][ T5342]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  218.912718][ T5342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.912721][ T5342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.912725][ T5342]  console_flush_one_record (kernel/printk/printk.c:3268)
[  218.912729][ T5342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  218.912731][ T5342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.912736][ T5342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  218.912739][ T5342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  218.912741][ T5342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.912743][ T5342]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  218.912747][ T5342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  218.912748][ T5342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  218.912751][ T5342]  vprintk_emit (kernel/printk/printk.c:2479)
[  218.912754][ T5342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  218.912757][ T5342]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  218.912762][ T5342]  _printk (kernel/printk/printk.c:2504)
[  218.912766][ T5342]  ? snapshot_read.cold (user.c:?)
[  218.912768][ T5342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  218.912770][ T5342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  218.912773][ T5342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  218.912775][ T5342]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  218.912779][ T5342]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  218.912782][ T5342]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  218.912784][ T5342]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  218.912787][ T5342]  ? netdev_notice (net/core/dev.c:13194)
[  218.912790][ T5342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.912793][ T5342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.912796][ T5342]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  218.912800][ T5342]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  218.912802][ T5342]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  218.912804][ T5342]  ? register_netdev (net/core/dev.c:11618)
[  218.912806][ T5342]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  218.912811][ T5342]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  218.912814][ T5342]  ? __kernel_text_address (kernel/extable.c:79)
[  218.912817][ T5342]  ? write_profile (profile.c:?)
[  218.912821][ T5342]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  218.912827][ T5342]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  218.912830][ T5342]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  218.912832][ T5342]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  218.912834][ T5342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  218.912836][ T5342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  218.912839][ T5342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  218.912842][ T5342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  218.912844][ T5342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  218.912846][ T5342]  ? kasan_save_stack (mm/kasan/common.c:58)
[  218.912848][ T5342]  ? kasan_save_stack (mm/kasan/common.c:57)
[  218.912850][ T5342]  ? kasan_save_track (mm/kasan/common.c:78)
[  218.912851][ T5342]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  218.912853][ T5342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.912855][ T5342]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  218.912859][ T5342]  ? ___sys_sendmsg (net/socket.c:2758)
[  218.912863][ T5342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.912865][ T5342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  218.912867][ T5342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.912869][ T5342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.912871][ T5342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.912872][ T5342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.912874][ T5342]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  218.912876][ T5342]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  218.912877][ T5342]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  218.912879][ T5342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  218.912883][ T5342]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  218.912884][ T5342]  ? nla_get_range_signed (lib/nlattr.c:270)
[  218.912889][ T5342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.912891][ T5342]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  218.912896][ T5342]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  218.912902][ T5342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.912904][ T5342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.912908][ T5342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.912910][ T5342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.912913][ T5342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.912914][ T5342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.912918][ T5342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.912921][ T5342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  218.912924][ T5342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.912925][ T5342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  218.912930][ T5342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.912932][ T5342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.912935][ T5342]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  218.912939][ T5342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.912942][ T5342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  218.912948][ T5342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  218.912950][ T5342]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  218.912955][ T5342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  218.912959][ T5342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  218.912961][ T5342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  218.912966][ T5342]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  218.912970][ T5342]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  218.912973][ T5342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  218.912975][ T5342]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  218.912981][ T5342]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  218.912984][ T5342]  ____sys_sendmsg (net/socket.c:2713)
[  218.912986][ T5342]  ? copy_msghdr_from_user (net/socket.c:2650)
[  218.912988][ T5342]  ? sock_write_iter (net/socket.c:1269)
[  218.912990][ T5342]  ? move_addr_to_kernel (net/socket.c:258)
[  218.912997][ T5342]  ___sys_sendmsg (net/socket.c:2767)
[  218.913000][ T5342]  ? copy_msghdr_from_user (net/socket.c:2619)
[  218.913016][ T5342]  __sys_sendmsg (net/socket.c:2799)
[  218.913019][ T5342]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  218.913025][ T5342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.913028][ T5342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  218.913031][ T5342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  218.913034][ T5342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  218.913036][ T5342] RIP: 0033:0x7f765d2f554e
[  218.913040][ T5342] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  218.913042][ T5342] RSP: 002b:00007ffe6b6da150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  218.913045][ T5342] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f765d2f554e
[  218.913046][ T5342] RDX: 0000000000000000 RSI: 00007ffe6b6da200 RDI: 0000000000000005
[  218.913047][ T5342] RBP: 00007ffe6b6da160 R08: 0000000000000000 R09: 0000000000000000
[  218.913048][ T5342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912604
[  218.913049][ T5342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6b6da8c0
| [  220.744116][ T5417] softirqs last disabled at (18254): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  220.744118][ T5417] Preemption disabled at:
| [  220.744119][ T5417] vprintk_emit (kernel/printk/printk.c:2471)
| [  220.744127][ T5417] Tainted: [W]=WARN
[  220.744128][ T5417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  220.744130][ T5417] Call Trace:
[  220.744132][ T5417]  <TASK>
[  220.744133][ T5417]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  220.744140][ T5417]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  220.744141][ T5417]  __might_resched.cold (kernel/sched/core.c:9234)
[  220.744146][ T5417]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  220.744150][ T5417]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  220.744155][ T5417]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  220.744157][ T5417]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.744164][ T5417]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  220.744167][ T5417]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  220.744171][ T5417]  put_chars (drivers/char/virtio_console.c:1176)
[  220.744174][ T5417]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  220.744176][ T5417]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  220.744179][ T5417]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  220.744182][ T5417]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  220.744187][ T5417]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  220.744192][ T5417]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.744199][ T5417]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  220.744203][ T5417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.744207][ T5417]  console_emit_next_record (kernel/printk/printk.c:3183)
[  220.744212][ T5417]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  220.744214][ T5417]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  220.744217][ T5417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.744219][ T5417]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  220.744224][ T5417]  console_flush_one_record (kernel/printk/printk.c:3268)
[  220.744228][ T5417]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  220.744230][ T5417]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.744236][ T5417]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  220.744239][ T5417]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  220.744241][ T5417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.744243][ T5417]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  220.744247][ T5417]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  220.744249][ T5417]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  220.744252][ T5417]  vprintk_emit (kernel/printk/printk.c:2479)
[  220.744256][ T5417]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  220.744258][ T5417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  220.744261][ T5417]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  220.744264][ T5417]  _printk (kernel/printk/printk.c:2504)
[  220.744268][ T5417]  ? snapshot_read.cold (user.c:?)
[  220.744272][ T5417]  ? br_multicast_flood (??:?)
[  220.744275][ T5417]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  220.744277][ T5417]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  220.744278][ T5417]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  220.744283][ T5417]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  220.744287][ T5417]  br_init_port (net/bridge/br_stp_if.c:39)
[  220.744290][ T5417]  new_nbp (net/bridge/br_if.c:449)
[  220.744294][ T5417]  br_add_if (net/bridge/br_if.c:592)
[  220.744300][ T5417]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  220.744308][ T5417]  do_set_master (net/core/rtnetlink.c:3071)
[  220.744312][ T5417]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  220.744316][ T5417]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  220.744317][ T5417]  ? __dev_get_by_name (net/core/dev.c:905)
[  220.744320][ T5417]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  220.744330][ T5417]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  220.744336][ T5417]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  220.744342][ T5417]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  220.744344][ T5417]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.744351][ T5417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  220.744355][ T5417]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  220.744358][ T5417]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  220.744361][ T5417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  220.744363][ T5417]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  220.744368][ T5417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  220.744370][ T5417]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  220.744374][ T5417]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  220.744378][ T5417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  220.744381][ T5417]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  220.744388][ T5417]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  220.744390][ T5417]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  220.744395][ T5417]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  220.744399][ T5417]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  220.744405][ T5417]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  220.744409][ T5417]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  220.744413][ T5417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  220.744415][ T5417]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  220.744421][ T5417]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  220.744426][ T5417]  ____sys_sendmsg (net/socket.c:2713)
[  220.744428][ T5417]  ? copy_msghdr_from_user (net/socket.c:2650)
[  220.744431][ T5417]  ? sock_write_iter (net/socket.c:1269)
[  220.744432][ T5417]  ? move_addr_to_kernel (net/socket.c:258)
[  220.744437][ T5417]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  220.744440][ T5417]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  220.744444][ T5417]  ___sys_sendmsg (net/socket.c:2767)
[  220.744446][ T5417]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  220.744449][ T5417]  ? copy_msghdr_from_user (net/socket.c:2619)
[  220.744451][ T5417]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  220.744467][ T5417]  __sys_sendmsg (net/socket.c:2799)
[  220.744470][ T5417]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  220.744476][ T5417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.744478][ T5417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  220.744481][ T5417]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  220.744485][ T5417]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  220.744488][ T5417]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  220.744490][ T5417] RIP: 0033:0x7fe90b8bd54e
[  220.744494][ T5417] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  220.744496][ T5417] RSP: 002b:00007ffd105a0be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  220.744499][ T5417] RAX: ffffffffffffffda RBX: 00007ffd105a13a8 RCX: 00007fe90b8bd54e
[  220.744500][ T5417] RDX: 0000000000000000 RSI: 00007ffd105a0c90 RDI: 0000000000000005
[  220.744501][ T5417] RBP: 00007ffd105a0bf0 R08: 0000000000000000 R09: 0000000000000000
[  220.744502][ T5417] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912606
[  220.744503][ T5417] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd105a1360
| [  221.884764][ T5454] softirqs last disabled at (16352): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  221.884767][ T5454] Preemption disabled at:
| [  221.884768][ T5454] vprintk_emit (kernel/printk/printk.c:2471)
| [  221.884777][ T5454] Tainted: [W]=WARN
[  221.884778][ T5454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  221.884779][ T5454] Call Trace:
[  221.884781][ T5454]  <TASK>
[  221.884783][ T5454]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  221.884788][ T5454]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  221.884790][ T5454]  __might_resched.cold (kernel/sched/core.c:9234)
[  221.884795][ T5454]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  221.884799][ T5454]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  221.884804][ T5454]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  221.884806][ T5454]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.884813][ T5454]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  221.884816][ T5454]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.884820][ T5454]  put_chars (drivers/char/virtio_console.c:1176)
[  221.884822][ T5454]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  221.884829][ T5454]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  221.884837][ T5454]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  221.884841][ T5454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.884846][ T5454]  console_emit_next_record (kernel/printk/printk.c:3183)
[  221.884850][ T5454]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  221.884852][ T5454]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  221.884856][ T5454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.884859][ T5454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.884863][ T5454]  console_flush_one_record (kernel/printk/printk.c:3268)
[  221.884867][ T5454]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  221.884869][ T5454]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.884875][ T5454]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  221.884878][ T5454]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  221.884880][ T5454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.884882][ T5454]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  221.884886][ T5454]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  221.884888][ T5454]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  221.884890][ T5454]  vprintk_emit (kernel/printk/printk.c:2479)
[  221.884894][ T5454]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  221.884897][ T5454]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  221.884902][ T5454]  _printk (kernel/printk/printk.c:2504)
[  221.884906][ T5454]  ? snapshot_read.cold (user.c:?)
[  221.884908][ T5454]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  221.884910][ T5454]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  221.884914][ T5454]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  221.884916][ T5454]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  221.884920][ T5454]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  221.884923][ T5454]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  221.884926][ T5454]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  221.884929][ T5454]  ? netdev_notice (net/core/dev.c:13194)
[  221.884932][ T5454]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.884935][ T5454]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  221.884938][ T5454]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  221.884941][ T5454]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  221.884944][ T5454]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  221.884946][ T5454]  ? register_netdev (net/core/dev.c:11618)
[  221.884948][ T5454]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[  221.884953][ T5454]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  221.884956][ T5454]  ? __kernel_text_address (kernel/extable.c:79)
[  221.884959][ T5454]  ? write_profile (profile.c:?)
[  221.884963][ T5454]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  221.884969][ T5454]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  221.884972][ T5454]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  221.884975][ T5454]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  221.884976][ T5454]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  221.884978][ T5454]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  221.884982][ T5454]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  221.884984][ T5454]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  221.884986][ T5454]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  221.884989][ T5454]  ? kasan_save_stack (mm/kasan/common.c:58)
[  221.884991][ T5454]  ? kasan_save_stack (mm/kasan/common.c:57)
[  221.884992][ T5454]  ? kasan_save_track (mm/kasan/common.c:78)
[  221.884994][ T5454]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  221.884996][ T5454]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.884998][ T5454]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  221.885001][ T5454]  ? ___sys_sendmsg (net/socket.c:2758)
[  221.885005][ T5454]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  221.885008][ T5454]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  221.885010][ T5454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.885012][ T5454]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.885014][ T5454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.885015][ T5454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.885017][ T5454]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  221.885019][ T5454]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  221.885021][ T5454]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  221.885023][ T5454]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  221.885027][ T5454]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  221.885028][ T5454]  ? nla_get_range_signed (lib/nlattr.c:270)
[  221.885033][ T5454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.885035][ T5454]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  221.885041][ T5454]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  221.885047][ T5454]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.885049][ T5454]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.885054][ T5454]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  221.885056][ T5454]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.885058][ T5454]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.885060][ T5454]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  221.885064][ T5454]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.885066][ T5454]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  221.885069][ T5454]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.885071][ T5454]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  221.885075][ T5454]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  221.885078][ T5454]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.885081][ T5454]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  221.885085][ T5454]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.885088][ T5454]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  221.885095][ T5454]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  221.885097][ T5454]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  221.885102][ T5454]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.885106][ T5454]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  221.885109][ T5454]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  221.885113][ T5454]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.885118][ T5454]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  221.885122][ T5454]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  221.885124][ T5454]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  221.885129][ T5454]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  221.885132][ T5454]  ____sys_sendmsg (net/socket.c:2713)
[  221.885135][ T5454]  ? copy_msghdr_from_user (net/socket.c:2650)
[  221.885137][ T5454]  ? sock_write_iter (net/socket.c:1269)
[  221.885139][ T5454]  ? move_addr_to_kernel (net/socket.c:258)
[  221.885147][ T5454]  ___sys_sendmsg (net/socket.c:2767)
[  221.885150][ T5454]  ? copy_msghdr_from_user (net/socket.c:2619)
[  221.885167][ T5454]  __sys_sendmsg (net/socket.c:2799)
[  221.885169][ T5454]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  221.885176][ T5454]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.885179][ T5454]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.885183][ T5454]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  221.885186][ T5454]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.885188][ T5454] RIP: 0033:0x7f816f52d54e
[  221.885192][ T5454] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  221.885197][ T5454] RSP: 002b:00007ffe9c0d3350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  221.885200][ T5454] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f816f52d54e
[  221.885202][ T5454] RDX: 0000000000000000 RSI: 00007ffe9c0d3400 RDI: 0000000000000005
[  221.885203][ T5454] RBP: 00007ffe9c0d3360 R08: 0000000000000000 R09: 0000000000000000
[  221.885204][ T5454] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912607
[  221.885205][ T5454] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9c0d3ac0
| [  223.743833][ T5520] softirqs last disabled at (18256): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  223.743835][ T5520] Preemption disabled at:
| [  223.743836][ T5520] vprintk_emit (kernel/printk/printk.c:2471)
| [  223.743845][ T5520] Tainted: [W]=WARN
[  223.743846][ T5520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  223.743848][ T5520] Call Trace:
[  223.743850][ T5520]  <TASK>
[  223.743851][ T5520]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  223.743858][ T5520]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  223.743860][ T5520]  __might_resched.cold (kernel/sched/core.c:9234)
[  223.743864][ T5520]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  223.743869][ T5520]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  223.743873][ T5520]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  223.743876][ T5520]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.743882][ T5520]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  223.743886][ T5520]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.743890][ T5520]  put_chars (drivers/char/virtio_console.c:1176)
[  223.743892][ T5520]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  223.743894][ T5520]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  223.743898][ T5520]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  223.743901][ T5520]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  223.743906][ T5520]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  223.743910][ T5520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  223.743916][ T5520]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  223.743920][ T5520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.743925][ T5520]  console_emit_next_record (kernel/printk/printk.c:3183)
[  223.743929][ T5520]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  223.743931][ T5520]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[  223.743935][ T5520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.743937][ T5520]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.743941][ T5520]  console_flush_one_record (kernel/printk/printk.c:3268)
[  223.743946][ T5520]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  223.743948][ T5520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  223.743954][ T5520]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  223.743957][ T5520]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  223.743959][ T5520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.743961][ T5520]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  223.743965][ T5520]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  223.743967][ T5520]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  223.743970][ T5520]  vprintk_emit (kernel/printk/printk.c:2479)
[  223.743973][ T5520]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  223.743975][ T5520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  223.743978][ T5520]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  223.743982][ T5520]  _printk (kernel/printk/printk.c:2504)
[  223.743986][ T5520]  ? snapshot_read.cold (user.c:?)
[  223.743990][ T5520]  ? br_multicast_flood (??:?)
[  223.743993][ T5520]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  223.743995][ T5520]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  223.743996][ T5520]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  223.744001][ T5520]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  223.744005][ T5520]  br_init_port (net/bridge/br_stp_if.c:39)
[  223.744008][ T5520]  new_nbp (net/bridge/br_if.c:449)
[  223.744012][ T5520]  br_add_if (net/bridge/br_if.c:592)
[  223.744014][ T5520]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  223.744023][ T5520]  do_set_master (net/core/rtnetlink.c:3071)
[  223.744026][ T5520]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  223.744030][ T5520]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  223.744032][ T5520]  ? __dev_get_by_name (net/core/dev.c:905)
[  223.744034][ T5520]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  223.744045][ T5520]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  223.744052][ T5520]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  223.744058][ T5520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  223.744060][ T5520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  223.744067][ T5520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  223.744071][ T5520]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  223.744074][ T5520]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  223.744077][ T5520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  223.744078][ T5520]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  223.744083][ T5520]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  223.744085][ T5520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  223.744090][ T5520]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  223.744093][ T5520]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  223.744096][ T5520]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  223.744103][ T5520]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[  223.744105][ T5520]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[  223.744110][ T5520]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  223.744115][ T5520]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  223.744121][ T5520]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  223.744125][ T5520]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  223.744129][ T5520]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  223.744131][ T5520]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  223.744137][ T5520]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  223.744141][ T5520]  ____sys_sendmsg (net/socket.c:2713)
[  223.744144][ T5520]  ? copy_msghdr_from_user (net/socket.c:2650)
[  223.744146][ T5520]  ? sock_write_iter (net/socket.c:1269)
[  223.744148][ T5520]  ? move_addr_to_kernel (net/socket.c:258)
[  223.744153][ T5520]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  223.744156][ T5520]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  223.744160][ T5520]  ___sys_sendmsg (net/socket.c:2767)
[  223.744162][ T5520]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  223.744164][ T5520]  ? copy_msghdr_from_user (net/socket.c:2619)
[  223.744167][ T5520]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  223.744183][ T5520]  __sys_sendmsg (net/socket.c:2799)
[  223.744186][ T5520]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  223.744192][ T5520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.744194][ T5520]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.744200][ T5520]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  223.744204][ T5520]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  223.744207][ T5520]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  223.744210][ T5520] RIP: 0033:0x7f6a941fb54e
[  223.744214][ T5520] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  223.744216][ T5520] RSP: 002b:00007ffd792659a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  223.744218][ T5520] RAX: ffffffffffffffda RBX: 00007ffd79266168 RCX: 00007f6a941fb54e
[  223.744220][ T5520] RDX: 0000000000000000 RSI: 00007ffd79265a50 RDI: 0000000000000005
[  223.744221][ T5520] RBP: 00007ffd792659b0 R08: 0000000000000000 R09: 0000000000000000
[  223.744222][ T5520] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912609
[  223.744223][ T5520] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd79266120
| [  234.946331][    C0] softirqs last disabled at (12497531): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  234.946334][    C0] Preemption disabled at:
| [  234.946335][    C0] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
| [  234.946348][    C0] Tainted: [W]=WARN
[  234.946349][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  234.946352][    C0] Call Trace:
[  234.946354][    C0]  <IRQ>
[  234.946356][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  234.946362][    C0]  ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
[  234.946365][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[  234.946370][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  234.946374][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  234.946378][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.946382][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  234.946386][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  234.946389][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  234.946395][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  234.946398][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  234.946406][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[  234.946409][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  234.946412][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  234.946416][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  234.946423][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  234.946426][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.946428][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.946433][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[  234.946437][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  234.946440][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.946442][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.946444][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.946448][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  234.946451][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[  234.946454][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  234.946459][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  234.946462][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.946465][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  234.946467][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.946469][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  234.946472][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  234.946475][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  234.946479][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  234.946482][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[  234.946485][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  234.946487][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.946489][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  234.946493][    C0]  _printk (kernel/printk/printk.c:2504)
[  234.946497][    C0]  ? snapshot_read.cold (user.c:?)
[  234.946499][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  234.946504][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  234.946507][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[  234.946510][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[  234.946514][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  234.946519][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  234.946522][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  234.946525][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  234.946529][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  234.946532][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  234.946536][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.946538][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  234.946541][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  234.946544][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[  234.946546][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  234.946549][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  234.946552][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  234.946554][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  234.946559][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  234.946562][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  234.946566][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  234.946569][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  234.946572][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.946575][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  234.946578][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  234.946582][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  234.946584][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  234.946589][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  234.946593][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  234.946597][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  234.946600][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  234.946604][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.946606][    C0]  handle_softirqs (kernel/softirq.c:645)
[  234.946609][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  234.946612][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  234.946615][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  234.946618][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  234.946621][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  234.946624][    C0]  </IRQ>
[  234.946625][    C0]  <TASK>
[  234.946627][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  234.946631][    C0] RIP: 0010:__rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  234.946634][    C0] Code: fa 0f 1f 44 00 00 65 48 8b 05 7f 9a e4 04 48 ba 00 00 00 00 00 fc ff df 48 8d b8 84 04 00 00 48 89 f9 48 c1 e9 03 0f b6 0c 11 <48> 89 fa 83 e2 07 83 c2 03 38 ca 7c 04 84 c9 75 19 83 80 84 04 00
All code
========
   0:	fa                   	cli
   1:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   6:	65 48 8b 05 7f 9a e4 	mov    %gs:0x4e49a7f(%rip),%rax        # 0x4e49a8d
   d:	04 
   e:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  15:	fc ff df 
  18:	48 8d b8 84 04 00 00 	lea    0x484(%rax),%rdi
  1f:	48 89 f9             	mov    %rdi,%rcx
  22:	48 c1 e9 03          	shr    $0x3,%rcx
  26:	0f b6 0c 11          	movzbl (%rcx,%rdx,1),%ecx
  2a:*	48 89 fa             	mov    %rdi,%rdx		<-- trapping instruction
  2d:	83 e2 07             	and    $0x7,%edx
  30:	83 c2 03             	add    $0x3,%edx
  33:	38 ca                	cmp    %cl,%dl
  35:	7c 04                	jl     0x3b
  37:	84 c9                	test   %cl,%cl
  39:	75 19                	jne    0x54
  3b:	83                   	.byte 0x83
  3c:	80                   	.byte 0x80
  3d:	84 04 00             	test   %al,(%rax,%rax,1)

Code starting with the faulting instruction
===========================================
   0:	48 89 fa             	mov    %rdi,%rdx
   3:	83 e2 07             	and    $0x7,%edx
   6:	83 c2 03             	add    $0x3,%edx
   9:	38 ca                	cmp    %cl,%dl
   b:	7c 04                	jl     0x11
   d:	84 c9                	test   %cl,%cl
   f:	75 19                	jne    0x2a
  11:	83                   	.byte 0x83
  12:	80                   	.byte 0x80
  13:	84 04 00             	test   %al,(%rax,%rax,1)
[  234.946637][    C0] RSP: 0018:ffa00000018c7980 EFLAGS: 00000213
[  234.946641][    C0] RAX: ff1100000fdd8040 RBX: 1ff4000000318f3a RCX: 0000000000000000
[  234.946643][    C0] RDX: dffffc0000000000 RSI: 0000000000000040 RDI: ff1100000fdd84c4
[  234.946645][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffb121a4cc
[  234.946647][    C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffa00000018c7ae0
[  234.946648][    C0] R13: ffa00000018c7a88 R14: ff1100000fdd8040 R15: 0000000000000000
[  234.946652][    C0]  unwind_next_frame (./include/linux/rcupdate.h:847 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  234.946656][    C0]  ? task_work_run (kernel/task_work.c:233)
[  234.946661][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[  234.946664][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[  234.946667][    C0]  ? write_profile (profile.c:?)
[  234.946670][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[  234.946674][    C0]  ? task_work_run (kernel/task_work.c:233)
[  234.946677][    C0]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  234.946680][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  234.946683][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  234.946686][    C0]  ? task_work_run (kernel/task_work.c:233)
[  234.946688][    C0]  kasan_save_stack (mm/kasan/common.c:57)
[  234.946691][    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
[  234.946693][    C0]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[  234.946696][    C0]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[  234.946699][    C0]  ? task_work_run (kernel/task_work.c:233)
[  234.946708][    C0]  kasan_record_aux_stack (mm/kasan/generic.c:556)
[  234.946711][    C0]  ? free_kmem_cache_nodes (mm/slub.c:7810)
[  234.946714][    C0]  __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[  234.946716][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  234.946719][    C0]  task_work_run (kernel/task_work.c:233)
[  234.946722][    C0]  ? task_work_cancel (kernel/task_work.c:190)
[  234.946724][    C0]  ? do_dup2 (fs/file.c:1336)
[  234.946728][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.946731][    C0]  ? exit_to_user_mode_loop (kernel/entry/common.c:51 kernel/entry/common.c:101)
[  234.946734][    C0]  exit_to_user_mode_loop (./include/linux/resume_user_mode.h:50 kernel/entry/common.c:70 kernel/entry/common.c:101)
[  234.946737][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  234.946740][    C0]  do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89)
[  234.946743][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[  234.946746][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  234.946748][    C0] RIP: 0033:0x7f6b6428060b
[  234.946752][    C0] Code: 73 01 c3 48 8b 0d ed a7 10 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 21 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 b9 a7 10 00 f7 d8
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d ed a7 10 00 	mov    0x10a7ed(%rip),%rcx        # 0x10a7f7
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 21 00 00 00       	mov    $0x21,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 05                	ja     0x37
  32:	c3                   	ret
  33:	0f 1f 40 00          	nopl   0x0(%rax)
  37:	48 8b 15 b9 a7 10 00 	mov    0x10a7b9(%rip),%rdx        # 0x10a7f7
  3e:	f7 d8                	neg    %eax

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 05                	ja     0xd
   8:	c3                   	ret
   9:	0f 1f 40 00          	nopl   0x0(%rax)
   d:	48 8b 15 b9 a7 10 00 	mov    0x10a7b9(%rip),%rdx        # 0x10a7cd
  14:	f7 d8                	neg    %eax
[  234.946754][    C0] RSP: 002b:00007fffb6849518 EFLAGS: 00000246 ORIG_RAX: 0000000000000021
[  234.946757][    C0] RAX: 0000000000000001 RBX: 0000000000000007 RCX: 00007f6b6428060b
[  234.946758][    C0] RDX: 000055cc04aa9414 RSI: 0000000000000001 RDI: 000000000000000a
[  234.946760][    C0] RBP: 00007fffb68495b0 R08: 0000000000000000 R09: 0000000000000007
[  234.946761][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cc149b9b20
[  234.946763][    C0] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000080
| [  235.043010][    C0]
| [  235.043113][    C0]
| [  235.043113][    C0] stack backtrace:
| [  235.043373][    C0] Tainted: [W]=WARN
[  235.043374][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  235.043376][    C0] Call Trace:
[  235.043378][    C0]  <IRQ>
[  235.043380][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  235.043385][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  235.043389][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  235.043394][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  235.043397][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  235.043400][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  235.043408][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  235.043411][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  235.043413][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.043416][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  235.043419][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  235.043421][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[  235.043424][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  235.043426][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[  235.043428][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  235.043431][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  235.043434][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  235.043437][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  235.043442][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  235.043445][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  235.043448][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.043451][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  235.043453][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[  235.043457][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  235.043459][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  235.043464][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  235.043468][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  235.043471][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  235.043474][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  235.043478][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.043480][    C0]  handle_softirqs (kernel/softirq.c:645)
[  235.043484][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  235.043486][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  235.043490][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  235.043492][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  235.043495][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  235.043498][    C0]  </IRQ>
[  235.043499][    C0]  <TASK>
[  235.043500][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  235.043502][    C0] RIP: 0010:__rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  235.043505][    C0] Code: fa 0f 1f 44 00 00 65 48 8b 05 7f 9a e4 04 48 ba 00 00 00 00 00 fc ff df 48 8d b8 84 04 00 00 48 89 f9 48 c1 e9 03 0f b6 0c 11 <48> 89 fa 83 e2 07 83 c2 03 38 ca 7c 04 84 c9 75 19 83 80 84 04 00
All code
========
   0:	fa                   	cli
   1:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   6:	65 48 8b 05 7f 9a e4 	mov    %gs:0x4e49a7f(%rip),%rax        # 0x4e49a8d
   d:	04 
   e:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  15:	fc ff df 
  18:	48 8d b8 84 04 00 00 	lea    0x484(%rax),%rdi
  1f:	48 89 f9             	mov    %rdi,%rcx
  22:	48 c1 e9 03          	shr    $0x3,%rcx
  26:	0f b6 0c 11          	movzbl (%rcx,%rdx,1),%ecx
  2a:*	48 89 fa             	mov    %rdi,%rdx		<-- trapping instruction
  2d:	83 e2 07             	and    $0x7,%edx
  30:	83 c2 03             	add    $0x3,%edx
  33:	38 ca                	cmp    %cl,%dl
  35:	7c 04                	jl     0x3b
  37:	84 c9                	test   %cl,%cl
  39:	75 19                	jne    0x54
  3b:	83                   	.byte 0x83
  3c:	80                   	.byte 0x80
  3d:	84 04 00             	test   %al,(%rax,%rax,1)

Code starting with the faulting instruction
===========================================
   0:	48 89 fa             	mov    %rdi,%rdx
   3:	83 e2 07             	and    $0x7,%edx
   6:	83 c2 03             	add    $0x3,%edx
   9:	38 ca                	cmp    %cl,%dl
   b:	7c 04                	jl     0x11
   d:	84 c9                	test   %cl,%cl
   f:	75 19                	jne    0x2a
  11:	83                   	.byte 0x83
  12:	80                   	.byte 0x80
  13:	84 04 00             	test   %al,(%rax,%rax,1)
[  235.043508][    C0] RSP: 0018:ffa00000018c7980 EFLAGS: 00000213
[  235.043511][    C0] RAX: ff1100000fdd8040 RBX: 1ff4000000318f3a RCX: 0000000000000000
[  235.043514][    C0] RDX: dffffc0000000000 RSI: 0000000000000040 RDI: ff1100000fdd84c4
[  235.043516][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffffb121a4cc
[  235.043517][    C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffa00000018c7ae0
[  235.043519][    C0] R13: ffa00000018c7a88 R14: ff1100000fdd8040 R15: 0000000000000000
[  235.043522][    C0]  unwind_next_frame (./include/linux/rcupdate.h:847 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  235.043526][    C0]  ? task_work_run (kernel/task_work.c:233)
[  235.043530][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[  235.043533][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[  235.043536][    C0]  ? write_profile (profile.c:?)
[  235.043539][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[  235.043543][    C0]  ? task_work_run (kernel/task_work.c:233)
[  235.043546][    C0]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  235.043549][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  235.043551][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  235.043555][    C0]  ? task_work_run (kernel/task_work.c:233)
[  235.043557][    C0]  kasan_save_stack (mm/kasan/common.c:57)
[  235.043560][    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
[  235.043562][    C0]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[  235.043564][    C0]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[  235.043567][    C0]  ? task_work_run (kernel/task_work.c:233)
[  235.043576][    C0]  kasan_record_aux_stack (mm/kasan/generic.c:556)
[  235.043579][    C0]  ? free_kmem_cache_nodes (mm/slub.c:7810)
[  235.043581][    C0]  __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[  235.043584][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  235.043587][    C0]  task_work_run (kernel/task_work.c:233)
[  235.043590][    C0]  ? task_work_cancel (kernel/task_work.c:190)
[  235.043592][    C0]  ? do_dup2 (fs/file.c:1336)
[  235.043596][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.043598][    C0]  ? exit_to_user_mode_loop (kernel/entry/common.c:51 kernel/entry/common.c:101)
[  235.043601][    C0]  exit_to_user_mode_loop (./include/linux/resume_user_mode.h:50 kernel/entry/common.c:70 kernel/entry/common.c:101)
[  235.043604][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  235.043606][    C0]  do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89)
[  235.043610][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[  235.043613][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  235.043615][    C0] RIP: 0033:0x7f6b6428060b
[  235.043619][    C0] Code: 73 01 c3 48 8b 0d ed a7 10 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 21 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 b9 a7 10 00 f7 d8
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d ed a7 10 00 	mov    0x10a7ed(%rip),%rcx        # 0x10a7f7
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 21 00 00 00       	mov    $0x21,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 05                	ja     0x37
  32:	c3                   	ret
  33:	0f 1f 40 00          	nopl   0x0(%rax)
  37:	48 8b 15 b9 a7 10 00 	mov    0x10a7b9(%rip),%rdx        # 0x10a7f7
  3e:	f7 d8                	neg    %eax

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 05                	ja     0xd
   8:	c3                   	ret
   9:	0f 1f 40 00          	nopl   0x0(%rax)
   d:	48 8b 15 b9 a7 10 00 	mov    0x10a7b9(%rip),%rdx        # 0x10a7cd
  14:	f7 d8                	neg    %eax
[  235.043620][    C0] RSP: 002b:00007fffb6849518 EFLAGS: 00000246 ORIG_RAX: 0000000000000021
[  235.043623][    C0] RAX: 0000000000000001 RBX: 0000000000000007 RCX: 00007f6b6428060b
[  235.043624][    C0] RDX: 000055cc04aa9414 RSI: 0000000000000001 RDI: 000000000000000a
[  235.043626][    C0] RBP: 00007fffb68495b0 R08: 0000000000000000 R09: 0000000000000007
[  235.043627][    C0] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cc149b9b20
[  235.043628][    C0] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000080
| [  239.751926][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  239.751928][   T71] Preemption disabled at:
| [  239.751929][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  239.751939][   T71] Tainted: [W]=WARN
[  239.751941][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  239.751942][   T71] Workqueue: netns cleanup_net
[  239.751948][   T71] Call Trace:
[  239.751950][   T71]  <TASK>
[  239.751951][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  239.751957][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  239.751958][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  239.751961][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  239.751964][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  239.751967][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.751969][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  239.751972][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  239.751976][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  239.751980][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  239.751982][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  239.751985][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  239.751987][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  239.751988][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  239.751991][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  239.751996][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  239.751998][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  239.752000][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  239.752002][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.752003][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.752005][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  239.752008][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  239.752010][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.752011][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.752012][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.752013][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.752016][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  239.752017][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  239.752020][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  239.752023][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  239.752025][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.752026][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  239.752028][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.752029][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  239.752031][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  239.752032][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  239.752034][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  239.752036][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  239.752037][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  239.752039][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  239.752040][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  239.752041][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  239.752044][   T71]  ? kthread (kernel/kthread.c:436)
[  239.752047][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  239.752050][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  239.752052][   T71]  _printk (kernel/printk/printk.c:2504)
[  239.752056][   T71]  ? snapshot_read.cold (user.c:?)
[  239.752058][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  239.752061][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  239.752063][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  239.752066][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  239.752068][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.752069][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  239.752070][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  239.752074][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  239.752075][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  239.752076][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  239.752079][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  239.752081][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  239.752085][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  239.752087][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  239.752090][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  239.752092][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  239.752094][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  239.752097][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  239.752099][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  239.752101][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.752103][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.752104][   T71]  process_one_work (kernel/workqueue.c:3387)
[  239.752107][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  239.752109][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  239.752112][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  239.752114][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  239.752116][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  239.752118][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  239.752120][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  239.752122][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  239.752124][   T71]  kthread (kernel/kthread.c:436)
[  239.752126][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  239.752128][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  239.752130][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  239.752131][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  239.752133][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  239.752136][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  239.752138][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  242.004903][ T5856] softirqs last disabled at (0): 0x0
| [  242.004905][ T5856] Preemption disabled at:
| [  242.004906][ T5856] vprintk_emit (kernel/printk/printk.c:2471)
| [  242.004916][ T5856] Tainted: [W]=WARN
[  242.004917][ T5856] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  242.004919][ T5856] Call Trace:
[  242.004921][ T5856]  <TASK>
[  242.004922][ T5856]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  242.004927][ T5856]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  242.004929][ T5856]  __might_resched.cold (kernel/sched/core.c:9234)
[  242.004933][ T5856]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  242.004936][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.004939][ T5856]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  242.004942][ T5856]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  242.004945][ T5856]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  242.004950][ T5856]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  242.004952][ T5856]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  242.004955][ T5856]  put_chars (drivers/char/virtio_console.c:1176)
[  242.004956][ T5856]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  242.004958][ T5856]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  242.004960][ T5856]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  242.004962][ T5856]  ? pointer (lib/vsprintf.c:2577)
[  242.004966][ T5856]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  242.004971][ T5856]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  242.004972][ T5856]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  242.004974][ T5856]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.004977][ T5856]  console_emit_next_record (kernel/printk/printk.c:3183)
[  242.004980][ T5856]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  242.004982][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.004983][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.004984][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.004985][ T5856]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.004987][ T5856]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  242.004989][ T5856]  console_flush_one_record (kernel/printk/printk.c:3268)
[  242.004991][ T5856]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  242.004994][ T5856]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  242.004996][ T5856]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.004998][ T5856]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  242.005000][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005001][ T5856]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  242.005002][ T5856]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  242.005004][ T5856]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  242.005005][ T5856]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  242.005007][ T5856]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  242.005009][ T5856]  vprintk_emit (kernel/printk/printk.c:2479)
[  242.005011][ T5856]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  242.005012][ T5856]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  242.005014][ T5856]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  242.005017][ T5856]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  242.005020][ T5856]  _printk (kernel/printk/printk.c:2504)
[  242.005023][ T5856]  ? snapshot_read.cold (user.c:?)
[  242.005025][ T5856]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  242.005027][ T5856]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  242.005031][ T5856]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  242.005033][ T5856]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  242.005036][ T5856]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  242.005038][ T5856]  ? netdev_notice (net/core/dev.c:13194)
[  242.005041][ T5856]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  242.005042][ T5856]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  242.005045][ T5856]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  242.005046][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005047][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005049][ T5856]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  242.005050][ T5856]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  242.005052][ T5856]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  242.005053][ T5856]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  242.005054][ T5856]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  242.005056][ T5856]  ? register_netdev (net/core/dev.c:11618)
[  242.005058][ T5856]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  242.005060][ T5856]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  242.005063][ T5856]  ? __kernel_text_address (kernel/extable.c:79)
[  242.005065][ T5856]  ? write_profile (profile.c:?)
[  242.005068][ T5856]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  242.005072][ T5856]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  242.005073][ T5856]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  242.005075][ T5856]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  242.005076][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005077][ T5856]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  242.005081][ T5856]  ? kasan_save_stack (mm/kasan/common.c:58)
[  242.005082][ T5856]  ? kasan_save_stack (mm/kasan/common.c:57)
[  242.005083][ T5856]  ? kasan_save_track (mm/kasan/common.c:78)
[  242.005085][ T5856]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  242.005086][ T5856]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  242.005087][ T5856]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  242.005088][ T5856]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  242.005089][ T5856]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  242.005092][ T5856]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  242.005094][ T5856]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  242.005095][ T5856]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  242.005098][ T5856]  ? ____sys_sendmsg (net/socket.c:2713)
[  242.005100][ T5856]  ? ___sys_sendmsg (net/socket.c:2767)
[  242.005101][ T5856]  ? __sys_sendmsg (net/socket.c:2799)
[  242.005103][ T5856]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  242.005105][ T5856]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  242.005108][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005109][ T5856]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.005110][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005111][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005112][ T5856]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  242.005114][ T5856]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  242.005115][ T5856]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  242.005116][ T5856]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  242.005118][ T5856]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  242.005119][ T5856]  ? nla_get_range_signed (lib/nlattr.c:270)
[  242.005122][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005124][ T5856]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  242.005126][ T5856]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  242.005128][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005129][ T5856]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  242.005130][ T5856]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.005132][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005133][ T5856]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  242.005136][ T5856]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  242.005137][ T5856]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  242.005138][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005140][ T5856]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  242.005143][ T5856]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  242.005145][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005146][ T5856]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.005148][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005149][ T5856]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  242.005151][ T5856]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  242.005152][ T5856]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  242.005154][ T5856]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  242.005155][ T5856]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  242.005158][ T5856]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  242.005159][ T5856]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  242.005161][ T5856]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  242.005162][ T5856]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  242.005164][ T5856]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  242.005167][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005168][ T5856]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  242.005170][ T5856]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  242.005173][ T5856]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  242.005175][ T5856]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  242.005177][ T5856]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  242.005179][ T5856]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  242.005180][ T5856]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  242.005182][ T5856]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  242.005184][ T5856]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  242.005187][ T5856]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  242.005189][ T5856]  ____sys_sendmsg (net/socket.c:2713)
[  242.005191][ T5856]  ? copy_msghdr_from_user (net/socket.c:2650)
[  242.005192][ T5856]  ? sock_write_iter (net/socket.c:1269)
[  242.005194][ T5856]  ? move_addr_to_kernel (net/socket.c:258)
[  242.005198][ T5856]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  242.005201][ T5856]  ___sys_sendmsg (net/socket.c:2767)
[  242.005203][ T5856]  ? copy_msghdr_from_user (net/socket.c:2619)
[  242.005208][ T5856]  __sys_sendmsg (net/socket.c:2799)
[  242.005210][ T5856]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  242.005213][ T5856]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  242.005214][ T5856]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  242.005216][ T5856]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  242.005218][ T5856]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  242.005220][ T5856] RIP: 0033:0x7fe5de54554e
[  242.005222][ T5856] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  242.005224][ T5856] RSP: 002b:00007ffedd0f2a60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  242.005227][ T5856] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe5de54554e
[  242.005229][ T5856] RDX: 0000000000000000 RSI: 00007ffedd0f2b10 RDI: 0000000000000005
[  242.005230][ T5856] RBP: 00007ffedd0f2a70 R08: 0000000000000000 R09: 0000000000000000
[  242.005231][ T5856] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91261b
[  242.005232][ T5856] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedd0f31d0
| [  243.132393][ T5930] softirqs last disabled at (0): 0x0
| [  243.132395][ T5930] Preemption disabled at:
| [  243.132395][ T5930] vprintk_emit (kernel/printk/printk.c:2471)
| [  243.132406][ T5930] Tainted: [W]=WARN
[  243.132407][ T5930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  243.132408][ T5930] Call Trace:
[  243.132410][ T5930]  <TASK>
[  243.132411][ T5930]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  243.132417][ T5930]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  243.132418][ T5930]  __might_resched.cold (kernel/sched/core.c:9234)
[  243.132422][ T5930]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  243.132424][ T5930]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  243.132427][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132430][ T5930]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  243.132433][ T5930]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  243.132436][ T5930]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  243.132441][ T5930]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  243.132443][ T5930]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  243.132446][ T5930]  put_chars (drivers/char/virtio_console.c:1176)
[  243.132448][ T5930]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  243.132449][ T5930]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  243.132452][ T5930]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  243.132457][ T5930]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  243.132459][ T5930]  ? vsnprintf (lib/vsprintf.c:2900)
[  243.132469][ T5930]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  243.132471][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132472][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132474][ T5930]  console_emit_next_record (kernel/printk/printk.c:3183)
[  243.132477][ T5930]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  243.132479][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132480][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132481][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132483][ T5930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.132485][ T5930]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  243.132487][ T5930]  console_flush_one_record (kernel/printk/printk.c:3268)
[  243.132489][ T5930]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  243.132492][ T5930]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  243.132494][ T5930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.132496][ T5930]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  243.132498][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132499][ T5930]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  243.132500][ T5930]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  243.132502][ T5930]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  243.132504][ T5930]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  243.132506][ T5930]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  243.132507][ T5930]  vprintk_emit (kernel/printk/printk.c:2479)
[  243.132509][ T5930]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  243.132510][ T5930]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  243.132512][ T5930]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  243.132515][ T5930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.132517][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132518][ T5930]  _printk (kernel/printk/printk.c:2504)
[  243.132521][ T5930]  ? snapshot_read.cold (user.c:?)
[  243.132523][ T5930]  ? br_multicast_flood (??:?)
[  243.132527][ T5930]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  243.132530][ T5930]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  243.132531][ T5930]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  243.132533][ T5930]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  243.132536][ T5930]  br_init_port (net/bridge/br_stp_if.c:39)
[  243.132538][ T5930]  new_nbp (net/bridge/br_if.c:449)
[  243.132540][ T5930]  br_add_if (net/bridge/br_if.c:592)
[  243.132542][ T5930]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  243.132546][ T5930]  do_set_master (net/core/rtnetlink.c:3071)
[  243.132548][ T5930]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  243.132550][ T5930]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  243.132552][ T5930]  ? __dev_get_by_name (net/core/dev.c:905)
[  243.132553][ T5930]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  243.132557][ T5930]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  243.132560][ T5930]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  243.132562][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132564][ T5930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  243.132565][ T5930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.132567][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132568][ T5930]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  243.132571][ T5930]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  243.132572][ T5930]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  243.132575][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132576][ T5930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.132578][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132579][ T5930]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  243.132580][ T5930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  243.132582][ T5930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  243.132583][ T5930]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  243.132585][ T5930]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  243.132589][ T5930]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  243.132592][ T5930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  243.132593][ T5930]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  243.132595][ T5930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  243.132597][ T5930]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  243.132600][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132601][ T5930]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  243.132603][ T5930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  243.132605][ T5930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  243.132608][ T5930]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  243.132610][ T5930]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  243.132613][ T5930]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  243.132615][ T5930]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  243.132617][ T5930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.132619][ T5930]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  243.132623][ T5930]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  243.132626][ T5930]  ____sys_sendmsg (net/socket.c:2713)
[  243.132627][ T5930]  ? copy_msghdr_from_user (net/socket.c:2650)
[  243.132629][ T5930]  ? sock_write_iter (net/socket.c:1269)
[  243.132631][ T5930]  ? move_addr_to_kernel (net/socket.c:258)
[  243.132633][ T5930]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  243.132636][ T5930]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  243.132638][ T5930]  ___sys_sendmsg (net/socket.c:2767)
[  243.132639][ T5930]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  243.132641][ T5930]  ? copy_msghdr_from_user (net/socket.c:2619)
[  243.132643][ T5930]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  243.132647][ T5930]  __sys_sendmsg (net/socket.c:2799)
[  243.132650][ T5930]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  243.132652][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132654][ T5930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  243.132655][ T5930]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  243.132658][ T5930]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  243.132660][ T5930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  243.132662][ T5930] RIP: 0033:0x7f7204fa854e
[  243.132664][ T5930] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  243.132666][ T5930] RSP: 002b:00007ffc3896b210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  243.132670][ T5930] RAX: ffffffffffffffda RBX: 00007ffc3896b9d8 RCX: 00007f7204fa854e
[  243.132671][ T5930] RDX: 0000000000000000 RSI: 00007ffc3896b2c0 RDI: 0000000000000005
[  243.132672][ T5930] RBP: 00007ffc3896b220 R08: 0000000000000000 R09: 0000000000000000
[  243.132673][ T5930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91261c
[  243.132674][ T5930] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3896b990
| [  244.384484][ T5990] softirqs last disabled at (0): 0x0
| [  244.384486][ T5990] Preemption disabled at:
| [  244.384487][ T5990] vprintk_emit (kernel/printk/printk.c:2471)
| [  244.384497][ T5990] Tainted: [W]=WARN
[  244.384498][ T5990] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  244.384500][ T5990] Call Trace:
[  244.384501][ T5990]  <TASK>
[  244.384503][ T5990]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  244.384508][ T5990]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  244.384510][ T5990]  __might_resched.cold (kernel/sched/core.c:9234)
[  244.384514][ T5990]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  244.384516][ T5990]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  244.384520][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384522][ T5990]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  244.384525][ T5990]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  244.384528][ T5990]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.384533][ T5990]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  244.384535][ T5990]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  244.384538][ T5990]  put_chars (drivers/char/virtio_console.c:1176)
[  244.384539][ T5990]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  244.384541][ T5990]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  244.384544][ T5990]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  244.384549][ T5990]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  244.384550][ T5990]  ? vsnprintf (lib/vsprintf.c:2900)
[  244.384554][ T5990]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  244.384555][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384557][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384559][ T5990]  console_emit_next_record (kernel/printk/printk.c:3183)
[  244.384561][ T5990]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  244.384564][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384565][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384566][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384567][ T5990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.384569][ T5990]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  244.384571][ T5990]  console_flush_one_record (kernel/printk/printk.c:3268)
[  244.384574][ T5990]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  244.384577][ T5990]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  244.384579][ T5990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.384580][ T5990]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  244.384582][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384583][ T5990]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  244.384585][ T5990]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  244.384586][ T5990]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  244.384588][ T5990]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  244.384590][ T5990]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  244.384592][ T5990]  vprintk_emit (kernel/printk/printk.c:2479)
[  244.384594][ T5990]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  244.384595][ T5990]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  244.384597][ T5990]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  244.384600][ T5990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.384601][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384603][ T5990]  _printk (kernel/printk/printk.c:2504)
[  244.384606][ T5990]  ? snapshot_read.cold (user.c:?)
[  244.384608][ T5990]  ? br_multicast_flood (??:?)
[  244.384611][ T5990]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  244.384614][ T5990]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  244.384615][ T5990]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  244.384617][ T5990]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  244.384620][ T5990]  br_init_port (net/bridge/br_stp_if.c:39)
[  244.384622][ T5990]  new_nbp (net/bridge/br_if.c:449)
[  244.384625][ T5990]  br_add_if (net/bridge/br_if.c:592)
[  244.384627][ T5990]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  244.384631][ T5990]  do_set_master (net/core/rtnetlink.c:3071)
[  244.384633][ T5990]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  244.384635][ T5990]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  244.384636][ T5990]  ? __dev_get_by_name (net/core/dev.c:905)
[  244.384638][ T5990]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  244.384642][ T5990]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  244.384645][ T5990]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  244.384647][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384648][ T5990]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  244.384650][ T5990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.384651][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384653][ T5990]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  244.384655][ T5990]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  244.384657][ T5990]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  244.384659][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384661][ T5990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.384662][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384664][ T5990]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  244.384665][ T5990]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  244.384667][ T5990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  244.384668][ T5990]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  244.384670][ T5990]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  244.384674][ T5990]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  244.384677][ T5990]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  244.384678][ T5990]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  244.384680][ T5990]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  244.384681][ T5990]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  244.384684][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384686][ T5990]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  244.384688][ T5990]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  244.384690][ T5990]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  244.384692][ T5990]  ? next_uptodate_folio (mm/filemap.c:3747)
[  244.384698][ T5990]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  244.384700][ T5990]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  244.384702][ T5990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.384704][ T5990]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  244.384707][ T5990]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  244.384710][ T5990]  ____sys_sendmsg (net/socket.c:2713)
[  244.384712][ T5990]  ? copy_msghdr_from_user (net/socket.c:2650)
[  244.384714][ T5990]  ? sock_write_iter (net/socket.c:1269)
[  244.384715][ T5990]  ? move_addr_to_kernel (net/socket.c:258)
[  244.384718][ T5990]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  244.384720][ T5990]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  244.384722][ T5990]  ___sys_sendmsg (net/socket.c:2767)
[  244.384724][ T5990]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  244.384726][ T5990]  ? copy_msghdr_from_user (net/socket.c:2619)
[  244.384728][ T5990]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  244.384732][ T5990]  __sys_sendmsg (net/socket.c:2799)
[  244.384734][ T5990]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  244.384737][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384738][ T5990]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  244.384740][ T5990]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  244.384743][ T5990]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  244.384745][ T5990]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  244.384747][ T5990] RIP: 0033:0x7f55e86ac54e
[  244.384749][ T5990] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  244.384750][ T5990] RSP: 002b:00007ffc6222d000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  244.384754][ T5990] RAX: ffffffffffffffda RBX: 00007ffc6222d7c8 RCX: 00007f55e86ac54e
[  244.384756][ T5990] RDX: 0000000000000000 RSI: 00007ffc6222d0b0 RDI: 0000000000000005
[  244.384757][ T5990] RBP: 00007ffc6222d010 R08: 0000000000000000 R09: 0000000000000000
[  244.384758][ T5990] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91261d
[  244.384759][ T5990] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6222d780
| [  343.351215][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  343.351217][   T71] Preemption disabled at:
| [  343.351218][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  343.351229][   T71] Tainted: [W]=WARN
[  343.351230][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  343.351232][   T71] Workqueue: netns cleanup_net
[  343.351237][   T71] Call Trace:
[  343.351239][   T71]  <TASK>
[  343.351241][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  343.351246][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  343.351248][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  343.351252][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  343.351254][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  343.351257][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.351260][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  343.351263][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  343.351266][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  343.351270][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  343.351272][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  343.351275][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  343.351277][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  343.351278][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  343.351281][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  343.351286][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  343.351288][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  343.351290][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  343.351292][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.351293][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.351295][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  343.351298][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  343.351300][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.351301][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.351302][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.351303][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  343.351306][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  343.351308][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  343.351310][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  343.351313][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  343.351315][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  343.351317][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  343.351319][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.351320][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  343.351321][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  343.351323][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  343.351324][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  343.351327][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  343.351328][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  343.351330][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  343.351331][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  343.351333][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  343.351336][   T71]  ? kthread (kernel/kthread.c:436)
[  343.351338][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  343.351341][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  343.351344][   T71]  _printk (kernel/printk/printk.c:2504)
[  343.351347][   T71]  ? snapshot_read.cold (user.c:?)
[  343.351350][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  343.351353][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  343.351355][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  343.351357][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  343.351360][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.351361][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  343.351362][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  343.351365][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  343.351367][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  343.351368][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  343.351370][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  343.351373][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  343.351377][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  343.351379][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  343.351382][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  343.351384][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  343.351386][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  343.351389][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  343.351391][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  343.351393][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  343.351395][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  343.351396][   T71]  process_one_work (kernel/workqueue.c:3387)
[  343.351399][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  343.351402][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  343.351404][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  343.351406][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  343.351409][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  343.351411][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  343.351413][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  343.351415][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  343.351416][   T71]  kthread (kernel/kthread.c:436)
[  343.351418][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  343.351420][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  343.351422][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  343.351424][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  343.351426][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  343.351429][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  343.351430][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  345.632451][ T6665] softirqs last disabled at (0): 0x0
| [  345.632453][ T6665] Preemption disabled at:
| [  345.632454][ T6665] vprintk_emit (kernel/printk/printk.c:2471)
| [  345.632465][ T6665] Tainted: [W]=WARN
[  345.632467][ T6665] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  345.632469][ T6665] Call Trace:
[  345.632471][ T6665]  <TASK>
[  345.632472][ T6665]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  345.632478][ T6665]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  345.632480][ T6665]  __might_resched.cold (kernel/sched/core.c:9234)
[  345.632484][ T6665]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  345.632487][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632490][ T6665]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  345.632493][ T6665]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  345.632496][ T6665]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  345.632502][ T6665]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  345.632503][ T6665]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  345.632506][ T6665]  put_chars (drivers/char/virtio_console.c:1176)
[  345.632509][ T6665]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  345.632511][ T6665]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  345.632515][ T6665]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  345.632517][ T6665]  ? pointer (lib/vsprintf.c:2577)
[  345.632521][ T6665]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  345.632525][ T6665]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  345.632527][ T6665]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  345.632529][ T6665]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.632532][ T6665]  console_emit_next_record (kernel/printk/printk.c:3183)
[  345.632535][ T6665]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  345.632537][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632538][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632539][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632541][ T6665]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.632543][ T6665]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  345.632545][ T6665]  console_flush_one_record (kernel/printk/printk.c:3268)
[  345.632547][ T6665]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  345.632550][ T6665]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  345.632552][ T6665]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.632554][ T6665]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  345.632556][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632557][ T6665]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  345.632558][ T6665]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  345.632561][ T6665]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  345.632563][ T6665]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  345.632567][ T6665]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  345.632568][ T6665]  vprintk_emit (kernel/printk/printk.c:2479)
[  345.632570][ T6665]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  345.632572][ T6665]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  345.632574][ T6665]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  345.632578][ T6665]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  345.632581][ T6665]  _printk (kernel/printk/printk.c:2504)
[  345.632584][ T6665]  ? snapshot_read.cold (user.c:?)
[  345.632586][ T6665]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  345.632588][ T6665]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  345.632591][ T6665]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  345.632593][ T6665]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  345.632597][ T6665]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  345.632599][ T6665]  ? netdev_notice (net/core/dev.c:13194)
[  345.632602][ T6665]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  345.632603][ T6665]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  345.632606][ T6665]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  345.632608][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632609][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632610][ T6665]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  345.632611][ T6665]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  345.632613][ T6665]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  345.632615][ T6665]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  345.632616][ T6665]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  345.632618][ T6665]  ? register_netdev (net/core/dev.c:11618)
[  345.632619][ T6665]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  345.632621][ T6665]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  345.632624][ T6665]  ? __kernel_text_address (kernel/extable.c:79)
[  345.632627][ T6665]  ? write_profile (profile.c:?)
[  345.632630][ T6665]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  345.632634][ T6665]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  345.632636][ T6665]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  345.632637][ T6665]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  345.632639][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632640][ T6665]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  345.632643][ T6665]  ? kasan_save_stack (mm/kasan/common.c:58)
[  345.632645][ T6665]  ? kasan_save_stack (mm/kasan/common.c:57)
[  345.632646][ T6665]  ? kasan_save_track (mm/kasan/common.c:78)
[  345.632648][ T6665]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  345.632649][ T6665]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  345.632650][ T6665]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  345.632651][ T6665]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  345.632653][ T6665]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  345.632655][ T6665]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  345.632657][ T6665]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  345.632658][ T6665]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  345.632661][ T6665]  ? ____sys_sendmsg (net/socket.c:2713)
[  345.632662][ T6665]  ? ___sys_sendmsg (net/socket.c:2767)
[  345.632664][ T6665]  ? __sys_sendmsg (net/socket.c:2799)
[  345.632666][ T6665]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  345.632668][ T6665]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  345.632671][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632672][ T6665]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.632674][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632675][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632676][ T6665]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  345.632677][ T6665]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  345.632678][ T6665]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  345.632680][ T6665]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  345.632681][ T6665]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  345.632682][ T6665]  ? nla_get_range_signed (lib/nlattr.c:270)
[  345.632686][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632687][ T6665]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  345.632689][ T6665]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  345.632691][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632693][ T6665]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  345.632694][ T6665]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.632695][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632697][ T6665]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  345.632699][ T6665]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  345.632701][ T6665]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  345.632702][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632703][ T6665]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  345.632707][ T6665]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  345.632709][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632710][ T6665]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.632712][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632713][ T6665]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  345.632714][ T6665]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  345.632716][ T6665]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  345.632718][ T6665]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  345.632719][ T6665]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  345.632722][ T6665]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  345.632723][ T6665]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  345.632725][ T6665]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  345.632727][ T6665]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  345.632728][ T6665]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  345.632731][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632733][ T6665]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  345.632735][ T6665]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  345.632737][ T6665]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  345.632739][ T6665]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  345.632741][ T6665]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  345.632743][ T6665]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  345.632745][ T6665]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  345.632746][ T6665]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  345.632748][ T6665]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  345.632751][ T6665]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  345.632753][ T6665]  ____sys_sendmsg (net/socket.c:2713)
[  345.632755][ T6665]  ? copy_msghdr_from_user (net/socket.c:2650)
[  345.632757][ T6665]  ? sock_write_iter (net/socket.c:1269)
[  345.632758][ T6665]  ? move_addr_to_kernel (net/socket.c:258)
[  345.632760][ T6665]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  345.632762][ T6665]  ___sys_sendmsg (net/socket.c:2767)
[  345.632764][ T6665]  ? copy_msghdr_from_user (net/socket.c:2619)
[  345.632769][ T6665]  __sys_sendmsg (net/socket.c:2799)
[  345.632771][ T6665]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  345.632774][ T6665]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  345.632776][ T6665]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  345.632778][ T6665]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  345.632780][ T6665]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  345.632781][ T6665] RIP: 0033:0x7f31eba1554e
[  345.632783][ T6665] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  345.632785][ T6665] RSP: 002b:00007ffcfee58380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  345.632789][ T6665] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f31eba1554e
[  345.632791][ T6665] RDX: 0000000000000000 RSI: 00007ffcfee58430 RDI: 0000000000000005
[  345.632792][ T6665] RBP: 00007ffcfee58390 R08: 0000000000000000 R09: 0000000000000000
[  345.632793][ T6665] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912683
[  345.632794][ T6665] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfee58af0
| [  346.905301][ T6741] softirqs last disabled at (0): 0x0
| [  346.905303][ T6741] Preemption disabled at:
| [  346.905304][ T6741] vprintk_emit (kernel/printk/printk.c:2471)
| [  346.905314][ T6741] Tainted: [W]=WARN
[  346.905315][ T6741] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  346.905317][ T6741] Call Trace:
[  346.905318][ T6741]  <TASK>
[  346.905320][ T6741]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  346.905325][ T6741]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  346.905327][ T6741]  __might_resched.cold (kernel/sched/core.c:9234)
[  346.905330][ T6741]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  346.905332][ T6741]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  346.905336][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905338][ T6741]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  346.905341][ T6741]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  346.905344][ T6741]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  346.905349][ T6741]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  346.905351][ T6741]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  346.905354][ T6741]  put_chars (drivers/char/virtio_console.c:1176)
[  346.905356][ T6741]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  346.905357][ T6741]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  346.905360][ T6741]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  346.905365][ T6741]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  346.905367][ T6741]  ? vsnprintf (lib/vsprintf.c:2900)
[  346.905370][ T6741]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  346.905371][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905373][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905374][ T6741]  console_emit_next_record (kernel/printk/printk.c:3183)
[  346.905377][ T6741]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  346.905379][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905381][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905382][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905383][ T6741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  346.905385][ T6741]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  346.905387][ T6741]  console_flush_one_record (kernel/printk/printk.c:3268)
[  346.905390][ T6741]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  346.905392][ T6741]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  346.905395][ T6741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  346.905396][ T6741]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  346.905398][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905399][ T6741]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  346.905401][ T6741]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  346.905402][ T6741]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  346.905404][ T6741]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  346.905406][ T6741]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  346.905407][ T6741]  vprintk_emit (kernel/printk/printk.c:2479)
[  346.905409][ T6741]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  346.905410][ T6741]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  346.905412][ T6741]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  346.905415][ T6741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  346.905417][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905418][ T6741]  _printk (kernel/printk/printk.c:2504)
[  346.905421][ T6741]  ? snapshot_read.cold (user.c:?)
[  346.905423][ T6741]  ? br_multicast_flood (??:?)
[  346.905427][ T6741]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  346.905430][ T6741]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  346.905431][ T6741]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  346.905433][ T6741]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  346.905436][ T6741]  br_init_port (net/bridge/br_stp_if.c:39)
[  346.905438][ T6741]  new_nbp (net/bridge/br_if.c:449)
[  346.905440][ T6741]  br_add_if (net/bridge/br_if.c:592)
[  346.905442][ T6741]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  346.905446][ T6741]  do_set_master (net/core/rtnetlink.c:3071)
[  346.905448][ T6741]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  346.905450][ T6741]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  346.905451][ T6741]  ? __dev_get_by_name (net/core/dev.c:905)
[  346.905453][ T6741]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  346.905457][ T6741]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  346.905460][ T6741]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  346.905462][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905463][ T6741]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  346.905464][ T6741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  346.905466][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905467][ T6741]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  346.905470][ T6741]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  346.905472][ T6741]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  346.905474][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905476][ T6741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  346.905477][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905478][ T6741]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  346.905480][ T6741]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  346.905481][ T6741]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  346.905483][ T6741]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  346.905484][ T6741]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  346.905488][ T6741]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  346.905491][ T6741]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  346.905493][ T6741]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  346.905494][ T6741]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  346.905496][ T6741]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  346.905499][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905500][ T6741]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  346.905502][ T6741]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  346.905505][ T6741]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  346.905507][ T6741]  ? next_uptodate_folio (mm/filemap.c:3747)
[  346.905510][ T6741]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  346.905512][ T6741]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  346.905514][ T6741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  346.905516][ T6741]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  346.905520][ T6741]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  346.905523][ T6741]  ____sys_sendmsg (net/socket.c:2713)
[  346.905524][ T6741]  ? copy_msghdr_from_user (net/socket.c:2650)
[  346.905526][ T6741]  ? sock_write_iter (net/socket.c:1269)
[  346.905528][ T6741]  ? move_addr_to_kernel (net/socket.c:258)
[  346.905530][ T6741]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  346.905533][ T6741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  346.905535][ T6741]  ___sys_sendmsg (net/socket.c:2767)
[  346.905536][ T6741]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  346.905538][ T6741]  ? copy_msghdr_from_user (net/socket.c:2619)
[  346.905540][ T6741]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  346.905544][ T6741]  __sys_sendmsg (net/socket.c:2799)
[  346.905547][ T6741]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  346.905549][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905551][ T6741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  346.905552][ T6741]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  346.905555][ T6741]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  346.905557][ T6741]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  346.905559][ T6741] RIP: 0033:0x7f711751454e
[  346.905561][ T6741] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  346.905563][ T6741] RSP: 002b:00007ffc86383390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  346.905566][ T6741] RAX: ffffffffffffffda RBX: 00007ffc86383b58 RCX: 00007f711751454e
[  346.905568][ T6741] RDX: 0000000000000000 RSI: 00007ffc86383440 RDI: 0000000000000005
[  346.905569][ T6741] RBP: 00007ffc863833a0 R08: 0000000000000000 R09: 0000000000000000
[  346.905570][ T6741] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912684
[  346.905571][ T6741] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc86383b10
| [  348.247348][ T6800] softirqs last disabled at (0): 0x0
| [  348.247351][ T6800] Preemption disabled at:
| [  348.247352][ T6800] vprintk_emit (kernel/printk/printk.c:2471)
| [  348.247366][ T6800] Tainted: [W]=WARN
[  348.247368][ T6800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  348.247371][ T6800] Call Trace:
[  348.247373][ T6800]  <TASK>
[  348.247375][ T6800]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  348.247382][ T6800]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  348.247384][ T6800]  __might_resched.cold (kernel/sched/core.c:9234)
[  348.247388][ T6800]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  348.247392][ T6800]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  348.247396][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247400][ T6800]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  348.247403][ T6800]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  348.247408][ T6800]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  348.247414][ T6800]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  348.247417][ T6800]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  348.247420][ T6800]  put_chars (drivers/char/virtio_console.c:1176)
[  348.247423][ T6800]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  348.247426][ T6800]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  348.247430][ T6800]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  348.247437][ T6800]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  348.247440][ T6800]  ? vsnprintf (lib/vsprintf.c:2900)
[  348.247444][ T6800]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  348.247447][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247449][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247452][ T6800]  console_emit_next_record (kernel/printk/printk.c:3183)
[  348.247456][ T6800]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  348.247460][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247462][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247464][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247466][ T6800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  348.247470][ T6800]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  348.247473][ T6800]  console_flush_one_record (kernel/printk/printk.c:3268)
[  348.247477][ T6800]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  348.247481][ T6800]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  348.247484][ T6800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  348.247487][ T6800]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  348.247489][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247491][ T6800]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  348.247494][ T6800]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  348.247496][ T6800]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  348.247499][ T6800]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  348.247502][ T6800]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  348.247505][ T6800]  vprintk_emit (kernel/printk/printk.c:2479)
[  348.247508][ T6800]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  348.247510][ T6800]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  348.247512][ T6800]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  348.247517][ T6800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  348.247519][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247522][ T6800]  _printk (kernel/printk/printk.c:2504)
[  348.247526][ T6800]  ? snapshot_read.cold (user.c:?)
[  348.247529][ T6800]  ? br_multicast_flood (??:?)
[  348.247534][ T6800]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  348.247538][ T6800]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  348.247540][ T6800]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  348.247543][ T6800]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  348.247547][ T6800]  br_init_port (net/bridge/br_stp_if.c:39)
[  348.247550][ T6800]  new_nbp (net/bridge/br_if.c:449)
[  348.247554][ T6800]  br_add_if (net/bridge/br_if.c:592)
[  348.247557][ T6800]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  348.247563][ T6800]  do_set_master (net/core/rtnetlink.c:3071)
[  348.247566][ T6800]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  348.247569][ T6800]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  348.247572][ T6800]  ? __dev_get_by_name (net/core/dev.c:905)
[  348.247574][ T6800]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  348.247580][ T6800]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  348.247585][ T6800]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  348.247588][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247591][ T6800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  348.247593][ T6800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  348.247595][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247598][ T6800]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  348.247602][ T6800]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  348.247605][ T6800]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  348.247608][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247610][ T6800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  348.247613][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247615][ T6800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  348.247618][ T6800]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  348.247621][ T6800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  348.247623][ T6800]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  348.247626][ T6800]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  348.247632][ T6800]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  348.247635][ T6800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  348.247638][ T6800]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  348.247641][ T6800]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  348.247643][ T6800]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  348.247648][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247650][ T6800]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  348.247653][ T6800]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  348.247657][ T6800]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  348.247660][ T6800]  ? next_uptodate_folio (mm/filemap.c:3747)
[  348.247664][ T6800]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  348.247668][ T6800]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  348.247671][ T6800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  348.247674][ T6800]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  348.247678][ T6800]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  348.247682][ T6800]  ____sys_sendmsg (net/socket.c:2713)
[  348.247685][ T6800]  ? copy_msghdr_from_user (net/socket.c:2650)
[  348.247688][ T6800]  ? sock_write_iter (net/socket.c:1269)
[  348.247690][ T6800]  ? move_addr_to_kernel (net/socket.c:258)
[  348.247694][ T6800]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  348.247697][ T6800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  348.247700][ T6800]  ___sys_sendmsg (net/socket.c:2767)
[  348.247703][ T6800]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  348.247706][ T6800]  ? copy_msghdr_from_user (net/socket.c:2619)
[  348.247709][ T6800]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  348.247717][ T6800]  __sys_sendmsg (net/socket.c:2799)
[  348.247720][ T6800]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  348.247724][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247726][ T6800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  348.247729][ T6800]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  348.247732][ T6800]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  348.247735][ T6800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  348.247739][ T6800] RIP: 0033:0x7f8dca6d054e
[  348.247741][ T6800] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  348.247744][ T6800] RSP: 002b:00007ffe1a9dbdf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  348.247749][ T6800] RAX: ffffffffffffffda RBX: 00007ffe1a9dc5b8 RCX: 00007f8dca6d054e
[  348.247751][ T6800] RDX: 0000000000000000 RSI: 00007ffe1a9dbea0 RDI: 0000000000000005
[  348.247753][ T6800] RBP: 00007ffe1a9dbe00 R08: 0000000000000000 R09: 0000000000000000
[  348.247754][ T6800] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912685
[  348.247756][ T6800] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1a9dc570
| [  362.703913][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  362.703916][   T71] Preemption disabled at:
| [  362.703917][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  362.703931][   T71] Tainted: [W]=WARN
[  362.703933][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  362.703935][   T71] Workqueue: netns cleanup_net
[  362.703942][   T71] Call Trace:
[  362.703944][   T71]  <TASK>
[  362.703946][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  362.703953][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  362.703955][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  362.703960][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  362.703963][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  362.703967][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.703971][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  362.703975][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  362.703979][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  362.703985][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  362.703988][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  362.703992][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  362.703994][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  362.703998][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  362.704002][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  362.704008][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  362.704011][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  362.704015][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  362.704017][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.704019][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.704023][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  362.704027][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  362.704030][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.704032][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.704034][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.704036][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  362.704040][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  362.704042][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  362.704046][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  362.704051][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  362.704054][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  362.704056][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  362.704059][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.704061][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  362.704063][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  362.704066][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  362.704069][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  362.704072][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  362.704074][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  362.704077][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  362.704079][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  362.704082][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  362.704086][   T71]  ? kthread (kernel/kthread.c:436)
[  362.704089][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  362.704093][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  362.704097][   T71]  _printk (kernel/printk/printk.c:2504)
[  362.704101][   T71]  ? snapshot_read.cold (user.c:?)
[  362.704105][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  362.704109][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  362.704112][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  362.704116][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  362.704119][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.704121][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  362.704124][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  362.704128][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  362.704131][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  362.704134][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  362.704137][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  362.704141][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  362.704146][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  362.704150][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  362.704153][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  362.704157][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  362.704160][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  362.704164][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  362.704167][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  362.704171][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  362.704174][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  362.704176][   T71]  process_one_work (kernel/workqueue.c:3387)
[  362.704181][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  362.704185][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  362.704188][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  362.704192][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  362.704200][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  362.704203][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  362.704206][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  362.704209][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  362.704212][   T71]  kthread (kernel/kthread.c:436)
[  362.704215][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  362.704218][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  362.704221][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  362.704224][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  362.704227][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  362.704231][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  362.704234][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  364.750677][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  364.750680][   T71] Preemption disabled at:
| [  364.750681][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  364.750695][   T71] Tainted: [W]=WARN
[  364.750696][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  364.750699][   T71] Workqueue: netns cleanup_net
[  364.750706][   T71] Call Trace:
[  364.750708][   T71]  <TASK>
[  364.750710][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  364.750716][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  364.750719][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  364.750723][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  364.750726][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  364.750730][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.750734][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  364.750737][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  364.750741][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  364.750747][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  364.750749][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  364.750753][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  364.750756][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  364.750759][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  364.750763][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  364.750769][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  364.750772][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  364.750775][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  364.750777][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.750779][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.750782][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  364.750786][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  364.750789][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.750791][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.750792][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.750794][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  364.750797][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  364.750800][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  364.750804][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  364.750808][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  364.750811][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  364.750814][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  364.750816][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.750818][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  364.750821][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  364.750823][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  364.750826][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  364.750829][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  364.750831][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  364.750834][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  364.750836][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  364.750838][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  364.750842][   T71]  ? kthread (kernel/kthread.c:436)
[  364.750846][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  364.750849][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  364.750853][   T71]  _printk (kernel/printk/printk.c:2504)
[  364.750857][   T71]  ? snapshot_read.cold (user.c:?)
[  364.750860][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  364.750864][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  364.750868][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  364.750871][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  364.750874][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.750876][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  364.750878][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  364.750882][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  364.750884][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  364.750887][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  364.750890][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  364.750894][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  364.750899][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  364.750902][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  364.750906][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  364.750909][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  364.750912][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  364.750916][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  364.750919][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  364.750923][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  364.750925][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  364.750928][   T71]  process_one_work (kernel/workqueue.c:3387)
[  364.750933][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  364.750936][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  364.750939][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  364.750943][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  364.750946][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  364.750949][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  364.750952][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  364.750955][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  364.750958][   T71]  kthread (kernel/kthread.c:436)
[  364.750960][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  364.750963][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  364.750966][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  364.750968][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  364.750972][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  364.750975][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  364.750978][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  366.385782][ T7241] softirqs last disabled at (0): 0x0
| [  366.385784][ T7241] Preemption disabled at:
| [  366.385784][ T7241] vprintk_emit (kernel/printk/printk.c:2471)
| [  366.385794][ T7241] Tainted: [W]=WARN
[  366.385795][ T7241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  366.385797][ T7241] Call Trace:
[  366.385799][ T7241]  <TASK>
[  366.385800][ T7241]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  366.385806][ T7241]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  366.385808][ T7241]  __might_resched.cold (kernel/sched/core.c:9234)
[  366.385811][ T7241]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  366.385814][ T7241]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  366.385817][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385820][ T7241]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  366.385823][ T7241]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  366.385826][ T7241]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  366.385831][ T7241]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  366.385833][ T7241]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  366.385836][ T7241]  put_chars (drivers/char/virtio_console.c:1176)
[  366.385838][ T7241]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  366.385839][ T7241]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  366.385842][ T7241]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  366.385847][ T7241]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  366.385849][ T7241]  ? vsnprintf (lib/vsprintf.c:2900)
[  366.385852][ T7241]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  366.385854][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385855][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385857][ T7241]  console_emit_next_record (kernel/printk/printk.c:3183)
[  366.385860][ T7241]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  366.385862][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385863][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385864][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385865][ T7241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  366.385868][ T7241]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  366.385869][ T7241]  console_flush_one_record (kernel/printk/printk.c:3268)
[  366.385872][ T7241]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  366.385875][ T7241]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  366.385877][ T7241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  366.385878][ T7241]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  366.385880][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385881][ T7241]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  366.385883][ T7241]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  366.385884][ T7241]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  366.385886][ T7241]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  366.385888][ T7241]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  366.385890][ T7241]  vprintk_emit (kernel/printk/printk.c:2479)
[  366.385891][ T7241]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  366.385893][ T7241]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  366.385895][ T7241]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  366.385897][ T7241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  366.385899][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385901][ T7241]  _printk (kernel/printk/printk.c:2504)
[  366.385904][ T7241]  ? snapshot_read.cold (user.c:?)
[  366.385906][ T7241]  ? br_multicast_flood (??:?)
[  366.385909][ T7241]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  366.385912][ T7241]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  366.385914][ T7241]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  366.385916][ T7241]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  366.385919][ T7241]  br_init_port (net/bridge/br_stp_if.c:39)
[  366.385921][ T7241]  new_nbp (net/bridge/br_if.c:449)
[  366.385923][ T7241]  br_add_if (net/bridge/br_if.c:592)
[  366.385925][ T7241]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  366.385930][ T7241]  do_set_master (net/core/rtnetlink.c:3071)
[  366.385931][ T7241]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  366.385933][ T7241]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  366.385935][ T7241]  ? __dev_get_by_name (net/core/dev.c:905)
[  366.385937][ T7241]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  366.385941][ T7241]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  366.385943][ T7241]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  366.385945][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385947][ T7241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  366.385948][ T7241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  366.385950][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385951][ T7241]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  366.385954][ T7241]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  366.385955][ T7241]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  366.385958][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385959][ T7241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  366.385961][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385962][ T7241]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  366.385963][ T7241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  366.385965][ T7241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  366.385967][ T7241]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  366.385968][ T7241]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  366.385972][ T7241]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  366.385975][ T7241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  366.385977][ T7241]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  366.385978][ T7241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  366.385980][ T7241]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  366.385983][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.385984][ T7241]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  366.385986][ T7241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  366.385989][ T7241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  366.385991][ T7241]  ? next_uptodate_folio (mm/filemap.c:3747)
[  366.385994][ T7241]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  366.385997][ T7241]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  366.385999][ T7241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  366.386000][ T7241]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  366.386004][ T7241]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  366.386007][ T7241]  ____sys_sendmsg (net/socket.c:2713)
[  366.386009][ T7241]  ? copy_msghdr_from_user (net/socket.c:2650)
[  366.386011][ T7241]  ? sock_write_iter (net/socket.c:1269)
[  366.386012][ T7241]  ? move_addr_to_kernel (net/socket.c:258)
[  366.386015][ T7241]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  366.386017][ T7241]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  366.386019][ T7241]  ___sys_sendmsg (net/socket.c:2767)
[  366.386021][ T7241]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  366.386022][ T7241]  ? copy_msghdr_from_user (net/socket.c:2619)
[  366.386024][ T7241]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  366.386029][ T7241]  __sys_sendmsg (net/socket.c:2799)
[  366.386031][ T7241]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  366.386034][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.386035][ T7241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  366.386037][ T7241]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  366.386040][ T7241]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  366.386042][ T7241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  366.386044][ T7241] RIP: 0033:0x7f2d8dbe754e
[  366.386046][ T7241] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  366.386048][ T7241] RSP: 002b:00007fff5e421f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  366.386052][ T7241] RAX: ffffffffffffffda RBX: 00007fff5e422748 RCX: 00007f2d8dbe754e
[  366.386053][ T7241] RDX: 0000000000000000 RSI: 00007fff5e422030 RDI: 0000000000000005
[  366.386054][ T7241] RBP: 00007fff5e421f90 R08: 0000000000000000 R09: 0000000000000000
[  366.386055][ T7241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912697
[  366.386056][ T7241] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5e422700
| [  367.681671][ T7300] softirqs last disabled at (0): 0x0
| [  367.681673][ T7300] Preemption disabled at:
| [  367.681674][ T7300] vprintk_emit (kernel/printk/printk.c:2471)
| [  367.681685][ T7300] Tainted: [W]=WARN
[  367.681686][ T7300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  367.681688][ T7300] Call Trace:
[  367.681690][ T7300]  <TASK>
[  367.681691][ T7300]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  367.681697][ T7300]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  367.681698][ T7300]  __might_resched.cold (kernel/sched/core.c:9234)
[  367.681702][ T7300]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  367.681704][ T7300]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  367.681708][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681710][ T7300]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  367.681713][ T7300]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  367.681717][ T7300]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  367.681722][ T7300]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  367.681724][ T7300]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  367.681726][ T7300]  put_chars (drivers/char/virtio_console.c:1176)
[  367.681728][ T7300]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  367.681730][ T7300]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  367.681732][ T7300]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  367.681737][ T7300]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  367.681739][ T7300]  ? vsnprintf (lib/vsprintf.c:2900)
[  367.681742][ T7300]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  367.681744][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681745][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681747][ T7300]  console_emit_next_record (kernel/printk/printk.c:3183)
[  367.681749][ T7300]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  367.681752][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681753][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681754][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681755][ T7300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  367.681757][ T7300]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  367.681759][ T7300]  console_flush_one_record (kernel/printk/printk.c:3268)
[  367.681761][ T7300]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  367.681764][ T7300]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  367.681766][ T7300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  367.681768][ T7300]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  367.681770][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681771][ T7300]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  367.681772][ T7300]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  367.681774][ T7300]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  367.681775][ T7300]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  367.681778][ T7300]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  367.681779][ T7300]  vprintk_emit (kernel/printk/printk.c:2479)
[  367.681781][ T7300]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  367.681782][ T7300]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  367.681784][ T7300]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  367.681787][ T7300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  367.681788][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681790][ T7300]  _printk (kernel/printk/printk.c:2504)
[  367.681793][ T7300]  ? snapshot_read.cold (user.c:?)
[  367.681795][ T7300]  ? br_multicast_flood (??:?)
[  367.681799][ T7300]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  367.681801][ T7300]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  367.681803][ T7300]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  367.681805][ T7300]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  367.681807][ T7300]  br_init_port (net/bridge/br_stp_if.c:39)
[  367.681809][ T7300]  new_nbp (net/bridge/br_if.c:449)
[  367.681811][ T7300]  br_add_if (net/bridge/br_if.c:592)
[  367.681813][ T7300]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  367.681818][ T7300]  do_set_master (net/core/rtnetlink.c:3071)
[  367.681819][ T7300]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  367.681821][ T7300]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  367.681823][ T7300]  ? __dev_get_by_name (net/core/dev.c:905)
[  367.681824][ T7300]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  367.681829][ T7300]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  367.681831][ T7300]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  367.681833][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681834][ T7300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  367.681836][ T7300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  367.681838][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681839][ T7300]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  367.681842][ T7300]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  367.681844][ T7300]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  367.681847][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681848][ T7300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  367.681849][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681851][ T7300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  367.681852][ T7300]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  367.681854][ T7300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  367.681855][ T7300]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  367.681857][ T7300]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  367.681861][ T7300]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  367.681864][ T7300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  367.681865][ T7300]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  367.681867][ T7300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  367.681869][ T7300]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  367.681872][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681873][ T7300]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  367.681875][ T7300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  367.681878][ T7300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  367.681880][ T7300]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  367.681882][ T7300]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  367.681885][ T7300]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  367.681887][ T7300]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  367.681890][ T7300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  367.681891][ T7300]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  367.681895][ T7300]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  367.681898][ T7300]  ____sys_sendmsg (net/socket.c:2713)
[  367.681899][ T7300]  ? copy_msghdr_from_user (net/socket.c:2650)
[  367.681901][ T7300]  ? sock_write_iter (net/socket.c:1269)
[  367.681903][ T7300]  ? move_addr_to_kernel (net/socket.c:258)
[  367.681905][ T7300]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  367.681908][ T7300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  367.681910][ T7300]  ___sys_sendmsg (net/socket.c:2767)
[  367.681911][ T7300]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  367.681913][ T7300]  ? copy_msghdr_from_user (net/socket.c:2619)
[  367.681915][ T7300]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  367.681920][ T7300]  __sys_sendmsg (net/socket.c:2799)
[  367.681922][ T7300]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  367.681924][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681926][ T7300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.681927][ T7300]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  367.681930][ T7300]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  367.681932][ T7300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  367.681934][ T7300] RIP: 0033:0x7f225cd9654e
[  367.681936][ T7300] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  367.681938][ T7300] RSP: 002b:00007ffd6ef67e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  367.681941][ T7300] RAX: ffffffffffffffda RBX: 00007ffd6ef685d8 RCX: 00007f225cd9654e
[  367.681943][ T7300] RDX: 0000000000000000 RSI: 00007ffd6ef67ec0 RDI: 0000000000000005
[  367.681944][ T7300] RBP: 00007ffd6ef67e20 R08: 0000000000000000 R09: 0000000000000000
[  367.681945][ T7300] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912699
[  367.681946][ T7300] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6ef68590
| [  476.091400][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  476.091402][   T71] Preemption disabled at:
| [  476.091403][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  476.091415][   T71] Tainted: [W]=WARN
[  476.091416][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  476.091418][   T71] Workqueue: netns cleanup_net
[  476.091424][   T71] Call Trace:
[  476.091425][   T71]  <TASK>
[  476.091427][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  476.091433][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  476.091434][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  476.091438][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  476.091440][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  476.091443][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.091446][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  476.091449][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  476.091452][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  476.091457][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  476.091458][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  476.091461][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  476.091463][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  476.091465][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  476.091467][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  476.091472][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  476.091474][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  476.091476][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  476.091478][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.091479][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.091481][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  476.091484][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  476.091486][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.091487][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.091488][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.091489][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.091491][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  476.091493][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  476.091496][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  476.091499][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  476.091501][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.091502][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  476.091504][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.091505][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  476.091507][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  476.091509][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  476.091510][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  476.091512][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  476.091514][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  476.091515][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  476.091516][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  476.091518][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  476.091521][   T71]  ? kthread (kernel/kthread.c:436)
[  476.091523][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  476.091526][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  476.091529][   T71]  _printk (kernel/printk/printk.c:2504)
[  476.091532][   T71]  ? snapshot_read.cold (user.c:?)
[  476.091534][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  476.091538][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  476.091540][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  476.091542][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  476.091544][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.091546][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  476.091547][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  476.091550][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  476.091552][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  476.091553][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  476.091555][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  476.091558][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  476.091562][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  476.091564][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  476.091567][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  476.091569][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  476.091571][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  476.091574][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  476.091576][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  476.091577][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  476.091580][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  476.091582][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  476.091583][   T71]  process_one_work (kernel/workqueue.c:3387)
[  476.091586][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  476.091589][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  476.091591][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  476.091593][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  476.091596][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  476.091598][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  476.091600][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  476.091602][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  476.091604][   T71]  kthread (kernel/kthread.c:436)
[  476.091605][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  476.091607][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  476.091609][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  476.091611][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  476.091613][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  476.091616][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  476.091618][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  478.132931][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  478.132934][   T71] Preemption disabled at:
| [  478.132934][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  478.132945][   T71] Tainted: [W]=WARN
[  478.132946][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  478.132948][   T71] Workqueue: netns cleanup_net
[  478.132954][   T71] Call Trace:
[  478.132955][   T71]  <TASK>
[  478.132957][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  478.132964][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  478.132966][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  478.132970][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  478.132972][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  478.132976][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.132978][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  478.132981][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  478.132985][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  478.132990][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  478.132991][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  478.132994][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  478.132996][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  478.132998][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  478.133000][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  478.133005][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  478.133007][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  478.133009][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  478.133011][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.133012][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.133014][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  478.133017][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  478.133019][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.133020][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.133021][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.133023][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.133025][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  478.133027][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  478.133029][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  478.133032][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  478.133034][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.133036][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  478.133038][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.133039][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  478.133041][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  478.133043][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  478.133044][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  478.133046][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  478.133048][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  478.133050][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  478.133051][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  478.133053][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  478.133056][   T71]  ? kthread (kernel/kthread.c:436)
[  478.133058][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  478.133061][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  478.133064][   T71]  _printk (kernel/printk/printk.c:2504)
[  478.133067][   T71]  ? snapshot_read.cold (user.c:?)
[  478.133070][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  478.133073][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  478.133075][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  478.133078][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  478.133080][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.133082][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  478.133083][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  478.133086][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  478.133088][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  478.133089][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  478.133092][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  478.133094][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  478.133098][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  478.133100][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  478.133103][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  478.133105][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  478.133107][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  478.133110][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  478.133112][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  478.133114][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  478.133117][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  478.133118][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  478.133126][   T71]  process_one_work (kernel/workqueue.c:3387)
[  478.133130][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  478.133132][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  478.133134][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  478.133137][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  478.133139][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  478.133141][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  478.133143][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  478.133145][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  478.133147][   T71]  kthread (kernel/kthread.c:436)
[  478.133149][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  478.133150][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  478.133152][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  478.133154][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  478.133156][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  478.133160][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  478.133161][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  479.199024][ T8020] softirqs last disabled at (0): 0x0
| [  479.199026][ T8020] Preemption disabled at:
| [  479.199027][ T8020] vprintk_emit (kernel/printk/printk.c:2471)
| [  479.199037][ T8020] Tainted: [W]=WARN
[  479.199038][ T8020] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  479.199040][ T8020] Call Trace:
[  479.199042][ T8020]  <TASK>
[  479.199043][ T8020]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  479.199049][ T8020]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  479.199051][ T8020]  __might_resched.cold (kernel/sched/core.c:9234)
[  479.199054][ T8020]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  479.199057][ T8020]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  479.199060][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199063][ T8020]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  479.199066][ T8020]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  479.199069][ T8020]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  479.199074][ T8020]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  479.199076][ T8020]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  479.199078][ T8020]  put_chars (drivers/char/virtio_console.c:1176)
[  479.199080][ T8020]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  479.199082][ T8020]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  479.199085][ T8020]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  479.199090][ T8020]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  479.199092][ T8020]  ? vsnprintf (lib/vsprintf.c:2900)
[  479.199095][ T8020]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  479.199097][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199098][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199100][ T8020]  console_emit_next_record (kernel/printk/printk.c:3183)
[  479.199103][ T8020]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  479.199105][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199106][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199107][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199108][ T8020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.199111][ T8020]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  479.199113][ T8020]  console_flush_one_record (kernel/printk/printk.c:3268)
[  479.199115][ T8020]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  479.199118][ T8020]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  479.199120][ T8020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.199122][ T8020]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  479.199124][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199125][ T8020]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  479.199134][ T8020]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  479.199136][ T8020]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  479.199137][ T8020]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  479.199139][ T8020]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  479.199141][ T8020]  vprintk_emit (kernel/printk/printk.c:2479)
[  479.199143][ T8020]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  479.199144][ T8020]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  479.199146][ T8020]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  479.199149][ T8020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.199150][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199152][ T8020]  _printk (kernel/printk/printk.c:2504)
[  479.199155][ T8020]  ? snapshot_read.cold (user.c:?)
[  479.199157][ T8020]  ? br_multicast_flood (??:?)
[  479.199161][ T8020]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  479.199164][ T8020]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  479.199165][ T8020]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  479.199167][ T8020]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  479.199170][ T8020]  br_init_port (net/bridge/br_stp_if.c:39)
[  479.199172][ T8020]  new_nbp (net/bridge/br_if.c:449)
[  479.199175][ T8020]  br_add_if (net/bridge/br_if.c:592)
[  479.199176][ T8020]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  479.199181][ T8020]  do_set_master (net/core/rtnetlink.c:3071)
[  479.199183][ T8020]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  479.199185][ T8020]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  479.199186][ T8020]  ? __dev_get_by_name (net/core/dev.c:905)
[  479.199188][ T8020]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  479.199192][ T8020]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  479.199197][ T8020]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  479.199199][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199201][ T8020]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  479.199202][ T8020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.199204][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199206][ T8020]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  479.199208][ T8020]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  479.199210][ T8020]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  479.199213][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199214][ T8020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.199216][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199217][ T8020]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  479.199218][ T8020]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  479.199220][ T8020]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  479.199222][ T8020]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  479.199223][ T8020]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  479.199227][ T8020]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  479.199230][ T8020]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  479.199232][ T8020]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  479.199234][ T8020]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  479.199235][ T8020]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  479.199238][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199240][ T8020]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  479.199242][ T8020]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  479.199244][ T8020]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  479.199246][ T8020]  ? next_uptodate_folio (mm/filemap.c:3747)
[  479.199249][ T8020]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  479.199252][ T8020]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  479.199254][ T8020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.199256][ T8020]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  479.199259][ T8020]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  479.199262][ T8020]  ____sys_sendmsg (net/socket.c:2713)
[  479.199264][ T8020]  ? copy_msghdr_from_user (net/socket.c:2650)
[  479.199266][ T8020]  ? sock_write_iter (net/socket.c:1269)
[  479.199267][ T8020]  ? move_addr_to_kernel (net/socket.c:258)
[  479.199270][ T8020]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  479.199272][ T8020]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  479.199274][ T8020]  ___sys_sendmsg (net/socket.c:2767)
[  479.199276][ T8020]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  479.199278][ T8020]  ? copy_msghdr_from_user (net/socket.c:2619)
[  479.199280][ T8020]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  479.199284][ T8020]  __sys_sendmsg (net/socket.c:2799)
[  479.199287][ T8020]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  479.199289][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199291][ T8020]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  479.199292][ T8020]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  479.199295][ T8020]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  479.199297][ T8020]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  479.199299][ T8020] RIP: 0033:0x7f8af031d54e
[  479.199301][ T8020] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  479.199303][ T8020] RSP: 002b:00007fffea9821c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  479.199306][ T8020] RAX: ffffffffffffffda RBX: 00007fffea982988 RCX: 00007f8af031d54e
[  479.199308][ T8020] RDX: 0000000000000000 RSI: 00007fffea982270 RDI: 0000000000000005
[  479.199309][ T8020] RBP: 00007fffea9821d0 R08: 0000000000000000 R09: 0000000000000000
[  479.199310][ T8020] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912708
[  479.199311][ T8020] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffea982940
| [  480.914379][ T8090] softirqs last disabled at (0): 0x0
| [  480.914381][ T8090] Preemption disabled at:
| [  480.914382][ T8090] vprintk_emit (kernel/printk/printk.c:2471)
| [  480.914392][ T8090] Tainted: [W]=WARN
[  480.914393][ T8090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  480.914395][ T8090] Call Trace:
[  480.914396][ T8090]  <TASK>
[  480.914398][ T8090]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  480.914403][ T8090]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  480.914405][ T8090]  __might_resched.cold (kernel/sched/core.c:9234)
[  480.914409][ T8090]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  480.914412][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914415][ T8090]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  480.914418][ T8090]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  480.914421][ T8090]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  480.914427][ T8090]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  480.914429][ T8090]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  480.914431][ T8090]  put_chars (drivers/char/virtio_console.c:1176)
[  480.914433][ T8090]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  480.914435][ T8090]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  480.914437][ T8090]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  480.914439][ T8090]  ? pointer (lib/vsprintf.c:2577)
[  480.914443][ T8090]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  480.914448][ T8090]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  480.914449][ T8090]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  480.914451][ T8090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.914454][ T8090]  console_emit_next_record (kernel/printk/printk.c:3183)
[  480.914457][ T8090]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  480.914459][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914460][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914461][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914462][ T8090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.914465][ T8090]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  480.914466][ T8090]  console_flush_one_record (kernel/printk/printk.c:3268)
[  480.914469][ T8090]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  480.914472][ T8090]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  480.914474][ T8090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.914476][ T8090]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  480.914477][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914479][ T8090]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  480.914480][ T8090]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  480.914482][ T8090]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  480.914484][ T8090]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  480.914486][ T8090]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  480.914488][ T8090]  vprintk_emit (kernel/printk/printk.c:2479)
[  480.914490][ T8090]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  480.914491][ T8090]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  480.914493][ T8090]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  480.914497][ T8090]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  480.914499][ T8090]  _printk (kernel/printk/printk.c:2504)
[  480.914502][ T8090]  ? snapshot_read.cold (user.c:?)
[  480.914504][ T8090]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  480.914507][ T8090]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  480.914510][ T8090]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  480.914512][ T8090]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  480.914516][ T8090]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  480.914518][ T8090]  ? netdev_notice (net/core/dev.c:13194)
[  480.914520][ T8090]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  480.914522][ T8090]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  480.914525][ T8090]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  480.914526][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914527][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914529][ T8090]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  480.914530][ T8090]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  480.914532][ T8090]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  480.914533][ T8090]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  480.914535][ T8090]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  480.914536][ T8090]  ? register_netdev (net/core/dev.c:11618)
[  480.914538][ T8090]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  480.914540][ T8090]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  480.914543][ T8090]  ? __kernel_text_address (kernel/extable.c:79)
[  480.914545][ T8090]  ? write_profile (profile.c:?)
[  480.914548][ T8090]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  480.914552][ T8090]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  480.914554][ T8090]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  480.914556][ T8090]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  480.914557][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914559][ T8090]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  480.914562][ T8090]  ? kasan_save_stack (mm/kasan/common.c:58)
[  480.914564][ T8090]  ? kasan_save_stack (mm/kasan/common.c:57)
[  480.914565][ T8090]  ? kasan_save_track (mm/kasan/common.c:78)
[  480.914566][ T8090]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  480.914568][ T8090]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  480.914569][ T8090]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  480.914570][ T8090]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  480.914571][ T8090]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  480.914574][ T8090]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  480.914576][ T8090]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  480.914577][ T8090]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  480.914580][ T8090]  ? ____sys_sendmsg (net/socket.c:2713)
[  480.914582][ T8090]  ? ___sys_sendmsg (net/socket.c:2767)
[  480.914583][ T8090]  ? __sys_sendmsg (net/socket.c:2799)
[  480.914585][ T8090]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  480.914588][ T8090]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  480.914590][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914592][ T8090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.914593][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914594][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914595][ T8090]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  480.914597][ T8090]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  480.914598][ T8090]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  480.914600][ T8090]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  480.914601][ T8090]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  480.914603][ T8090]  ? nla_get_range_signed (lib/nlattr.c:270)
[  480.914606][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914607][ T8090]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  480.914610][ T8090]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  480.914612][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914613][ T8090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  480.914614][ T8090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.914616][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914617][ T8090]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  480.914620][ T8090]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  480.914621][ T8090]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  480.914623][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914624][ T8090]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  480.914627][ T8090]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  480.914630][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914631][ T8090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.914632][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914634][ T8090]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  480.914635][ T8090]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  480.914637][ T8090]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  480.914638][ T8090]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  480.914640][ T8090]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  480.914642][ T8090]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  480.914644][ T8090]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  480.914646][ T8090]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  480.914647][ T8090]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  480.914649][ T8090]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  480.914652][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914654][ T8090]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  480.914656][ T8090]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  480.914658][ T8090]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  480.914660][ T8090]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  480.914662][ T8090]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  480.914664][ T8090]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  480.914666][ T8090]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  480.914668][ T8090]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  480.914669][ T8090]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  480.914673][ T8090]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  480.914675][ T8090]  ____sys_sendmsg (net/socket.c:2713)
[  480.914676][ T8090]  ? copy_msghdr_from_user (net/socket.c:2650)
[  480.914678][ T8090]  ? sock_write_iter (net/socket.c:1269)
[  480.914680][ T8090]  ? move_addr_to_kernel (net/socket.c:258)
[  480.914681][ T8090]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  480.914684][ T8090]  ___sys_sendmsg (net/socket.c:2767)
[  480.914686][ T8090]  ? copy_msghdr_from_user (net/socket.c:2619)
[  480.914691][ T8090]  __sys_sendmsg (net/socket.c:2799)
[  480.914694][ T8090]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  480.914697][ T8090]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  480.914698][ T8090]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  480.914700][ T8090]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  480.914702][ T8090]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  480.914704][ T8090] RIP: 0033:0x7f38c002854e
[  480.914706][ T8090] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  480.914708][ T8090] RSP: 002b:00007fff74ea88e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  480.914712][ T8090] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f38c002854e
[  480.914713][ T8090] RDX: 0000000000000000 RSI: 00007fff74ea8990 RDI: 0000000000000005
[  480.914714][ T8090] RBP: 00007fff74ea88f0 R08: 0000000000000000 R09: 0000000000000000
[  480.914715][ T8090] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91270a
[  480.914717][ T8090] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff74ea9050
| [  482.440325][ T8142] softirqs last disabled at (0): 0x0
| [  482.440328][ T8142] Preemption disabled at:
| [  482.440330][ T8142] vprintk_emit (kernel/printk/printk.c:2471)
| [  482.440343][ T8142] Tainted: [W]=WARN
[  482.440345][ T8142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  482.440347][ T8142] Call Trace:
[  482.440349][ T8142]  <TASK>
[  482.440351][ T8142]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  482.440358][ T8142]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  482.440360][ T8142]  __might_resched.cold (kernel/sched/core.c:9234)
[  482.440365][ T8142]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  482.440368][ T8142]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  482.440373][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440377][ T8142]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  482.440380][ T8142]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.440384][ T8142]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.440391][ T8142]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  482.440394][ T8142]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  482.440397][ T8142]  put_chars (drivers/char/virtio_console.c:1176)
[  482.440400][ T8142]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  482.440403][ T8142]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  482.440407][ T8142]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  482.440414][ T8142]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  482.440417][ T8142]  ? vsnprintf (lib/vsprintf.c:2900)
[  482.440421][ T8142]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.440424][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440426][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440429][ T8142]  console_emit_next_record (kernel/printk/printk.c:3183)
[  482.440433][ T8142]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  482.440436][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440439][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440441][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440443][ T8142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.440446][ T8142]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  482.440449][ T8142]  console_flush_one_record (kernel/printk/printk.c:3268)
[  482.440453][ T8142]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  482.440458][ T8142]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  482.440461][ T8142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.440463][ T8142]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  482.440466][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440468][ T8142]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.440470][ T8142]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  482.440473][ T8142]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  482.440476][ T8142]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  482.440479][ T8142]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  482.440482][ T8142]  vprintk_emit (kernel/printk/printk.c:2479)
[  482.440484][ T8142]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  482.440487][ T8142]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  482.440489][ T8142]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  482.440493][ T8142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.440496][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440499][ T8142]  _printk (kernel/printk/printk.c:2504)
[  482.440503][ T8142]  ? snapshot_read.cold (user.c:?)
[  482.440506][ T8142]  ? br_multicast_flood (??:?)
[  482.440511][ T8142]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  482.440515][ T8142]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  482.440517][ T8142]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  482.440520][ T8142]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  482.440525][ T8142]  br_init_port (net/bridge/br_stp_if.c:39)
[  482.440527][ T8142]  new_nbp (net/bridge/br_if.c:449)
[  482.440531][ T8142]  br_add_if (net/bridge/br_if.c:592)
[  482.440534][ T8142]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  482.440540][ T8142]  do_set_master (net/core/rtnetlink.c:3071)
[  482.440543][ T8142]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  482.440546][ T8142]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  482.440548][ T8142]  ? __dev_get_by_name (net/core/dev.c:905)
[  482.440551][ T8142]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  482.440558][ T8142]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  482.440562][ T8142]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  482.440566][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440568][ T8142]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  482.440570][ T8142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.440573][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440575][ T8142]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  482.440579][ T8142]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  482.440582][ T8142]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  482.440585][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440587][ T8142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.440590][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440592][ T8142]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  482.440595][ T8142]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  482.440598][ T8142]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  482.440600][ T8142]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  482.440603][ T8142]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  482.440608][ T8142]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  482.440613][ T8142]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  482.440615][ T8142]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.440618][ T8142]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  482.440620][ T8142]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  482.440625][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440627][ T8142]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  482.440631][ T8142]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  482.440634][ T8142]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  482.440638][ T8142]  ? next_uptodate_folio (mm/filemap.c:3747)
[  482.440642][ T8142]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  482.440646][ T8142]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  482.440649][ T8142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.440652][ T8142]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  482.440657][ T8142]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  482.440661][ T8142]  ____sys_sendmsg (net/socket.c:2713)
[  482.440664][ T8142]  ? copy_msghdr_from_user (net/socket.c:2650)
[  482.440667][ T8142]  ? sock_write_iter (net/socket.c:1269)
[  482.440669][ T8142]  ? move_addr_to_kernel (net/socket.c:258)
[  482.440673][ T8142]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  482.440676][ T8142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  482.440679][ T8142]  ___sys_sendmsg (net/socket.c:2767)
[  482.440682][ T8142]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  482.440685][ T8142]  ? copy_msghdr_from_user (net/socket.c:2619)
[  482.440688][ T8142]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  482.440696][ T8142]  __sys_sendmsg (net/socket.c:2799)
[  482.440699][ T8142]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  482.440703][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440705][ T8142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  482.440708][ T8142]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  482.440712][ T8142]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  482.440715][ T8142]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  482.440717][ T8142] RIP: 0033:0x7fb9de76f54e
[  482.440721][ T8142] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  482.440724][ T8142] RSP: 002b:00007fff3f79d370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  482.440728][ T8142] RAX: ffffffffffffffda RBX: 00007fff3f79db38 RCX: 00007fb9de76f54e
[  482.440731][ T8142] RDX: 0000000000000000 RSI: 00007fff3f79d420 RDI: 0000000000000005
[  482.440732][ T8142] RBP: 00007fff3f79d380 R08: 0000000000000000 R09: 0000000000000000
[  482.440734][ T8142] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91270b
[  482.440736][ T8142] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3f79daf0
| [  490.277728][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  490.277731][   T71] Preemption disabled at:
| [  490.277732][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  490.277744][   T71] Tainted: [W]=WARN
[  490.277745][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  490.277747][   T71] Workqueue: netns cleanup_net
[  490.277752][   T71] Call Trace:
[  490.277754][   T71]  <TASK>
[  490.277756][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  490.277762][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  490.277763][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  490.277767][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  490.277770][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  490.277773][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.277775][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  490.277779][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  490.277782][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  490.277787][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  490.277789][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  490.277792][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  490.277793][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  490.277795][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  490.277798][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  490.277803][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  490.277805][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  490.277808][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  490.277810][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.277811][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.277813][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  490.277816][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  490.277819][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.277820][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.277821][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.277822][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  490.277826][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  490.277829][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  490.277833][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  490.277836][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  490.277838][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  490.277840][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  490.277842][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.277844][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  490.277845][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  490.277847][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  490.277849][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  490.277851][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  490.277853][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  490.277855][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  490.277856][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  490.277858][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  490.277861][   T71]  ? kthread (kernel/kthread.c:436)
[  490.277863][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  490.277866][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  490.277869][   T71]  _printk (kernel/printk/printk.c:2504)
[  490.277872][   T71]  ? snapshot_read.cold (user.c:?)
[  490.277875][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  490.277878][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  490.277880][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  490.277883][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  490.277885][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.277887][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  490.277888][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  490.277891][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  490.277893][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  490.277894][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  490.277897][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  490.277900][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  490.277904][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  490.277906][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  490.277909][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  490.277911][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  490.277914][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  490.277917][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  490.277919][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  490.277921][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  490.277923][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  490.277925][   T71]  process_one_work (kernel/workqueue.c:3387)
[  490.277929][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  490.277931][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  490.277933][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  490.277936][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  490.277938][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  490.277940][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  490.277943][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  490.277945][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  490.277947][   T71]  kthread (kernel/kthread.c:436)
[  490.277948][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  490.277950][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  490.277952][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  490.277954][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  490.277956][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  490.277959][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  490.277961][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  491.651800][ T8410] softirqs last disabled at (0): 0x0
| [  491.651802][ T8410] Preemption disabled at:
| [  491.651803][ T8410] vprintk_emit (kernel/printk/printk.c:2471)
| [  491.651814][ T8410] Tainted: [W]=WARN
[  491.651815][ T8410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  491.651816][ T8410] Call Trace:
[  491.651818][ T8410]  <TASK>
[  491.651819][ T8410]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  491.651825][ T8410]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  491.651827][ T8410]  __might_resched.cold (kernel/sched/core.c:9234)
[  491.651830][ T8410]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  491.651833][ T8410]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  491.651836][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651839][ T8410]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  491.651842][ T8410]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  491.651845][ T8410]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  491.651850][ T8410]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  491.651852][ T8410]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  491.651855][ T8410]  put_chars (drivers/char/virtio_console.c:1176)
[  491.651856][ T8410]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  491.651858][ T8410]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  491.651861][ T8410]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  491.651866][ T8410]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  491.651868][ T8410]  ? vsnprintf (lib/vsprintf.c:2900)
[  491.651871][ T8410]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  491.651873][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651874][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651876][ T8410]  console_emit_next_record (kernel/printk/printk.c:3183)
[  491.651879][ T8410]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  491.651881][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651882][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651883][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651884][ T8410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.651887][ T8410]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  491.651889][ T8410]  console_flush_one_record (kernel/printk/printk.c:3268)
[  491.651892][ T8410]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  491.651895][ T8410]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  491.651896][ T8410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.651898][ T8410]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  491.651900][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651901][ T8410]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  491.651903][ T8410]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  491.651904][ T8410]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  491.651906][ T8410]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  491.651908][ T8410]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  491.651910][ T8410]  vprintk_emit (kernel/printk/printk.c:2479)
[  491.651912][ T8410]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  491.651913][ T8410]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  491.651915][ T8410]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  491.651918][ T8410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.651919][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651921][ T8410]  _printk (kernel/printk/printk.c:2504)
[  491.651924][ T8410]  ? snapshot_read.cold (user.c:?)
[  491.651929][ T8410]  ? br_multicast_flood (??:?)
[  491.651932][ T8410]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  491.651936][ T8410]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  491.651937][ T8410]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  491.651939][ T8410]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  491.651942][ T8410]  br_init_port (net/bridge/br_stp_if.c:39)
[  491.651944][ T8410]  new_nbp (net/bridge/br_if.c:449)
[  491.651946][ T8410]  br_add_if (net/bridge/br_if.c:592)
[  491.651948][ T8410]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  491.651952][ T8410]  do_set_master (net/core/rtnetlink.c:3071)
[  491.651954][ T8410]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  491.651956][ T8410]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  491.651957][ T8410]  ? __dev_get_by_name (net/core/dev.c:905)
[  491.651959][ T8410]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  491.651963][ T8410]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  491.651966][ T8410]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  491.651968][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651969][ T8410]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  491.651970][ T8410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.651972][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651974][ T8410]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  491.651976][ T8410]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  491.651978][ T8410]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  491.651981][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651982][ T8410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.651984][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.651985][ T8410]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  491.651986][ T8410]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  491.651988][ T8410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  491.651990][ T8410]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  491.651992][ T8410]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  491.651996][ T8410]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  491.651999][ T8410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  491.652000][ T8410]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  491.652002][ T8410]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  491.652004][ T8410]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  491.652007][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.652008][ T8410]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  491.652010][ T8410]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  491.652012][ T8410]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  491.652015][ T8410]  ? next_uptodate_folio (mm/filemap.c:3747)
[  491.652018][ T8410]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  491.652020][ T8410]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  491.652022][ T8410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.652024][ T8410]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  491.652027][ T8410]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  491.652030][ T8410]  ____sys_sendmsg (net/socket.c:2713)
[  491.652032][ T8410]  ? copy_msghdr_from_user (net/socket.c:2650)
[  491.652034][ T8410]  ? sock_write_iter (net/socket.c:1269)
[  491.652036][ T8410]  ? move_addr_to_kernel (net/socket.c:258)
[  491.652038][ T8410]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  491.652041][ T8410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  491.652043][ T8410]  ___sys_sendmsg (net/socket.c:2767)
[  491.652044][ T8410]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  491.652046][ T8410]  ? copy_msghdr_from_user (net/socket.c:2619)
[  491.652048][ T8410]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  491.652053][ T8410]  __sys_sendmsg (net/socket.c:2799)
[  491.652055][ T8410]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  491.652058][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.652059][ T8410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  491.652060][ T8410]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  491.652063][ T8410]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  491.652065][ T8410]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  491.652067][ T8410] RIP: 0033:0x7fdc4ccdb54e
[  491.652069][ T8410] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  491.652071][ T8410] RSP: 002b:00007ffda43a4630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  491.652075][ T8410] RAX: ffffffffffffffda RBX: 00007ffda43a4df8 RCX: 00007fdc4ccdb54e
[  491.652076][ T8410] RDX: 0000000000000000 RSI: 00007ffda43a46e0 RDI: 0000000000000005
[  491.652077][ T8410] RBP: 00007ffda43a4640 R08: 0000000000000000 R09: 0000000000000000
[  491.652078][ T8410] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912715
[  491.652079][ T8410] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda43a4db0
| [  493.181129][ T8478] softirqs last disabled at (0): 0x0
| [  493.181131][ T8478] Preemption disabled at:
| [  493.181132][ T8478] vprintk_emit (kernel/printk/printk.c:2471)
| [  493.181143][ T8478] Tainted: [W]=WARN
[  493.181144][ T8478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  493.181145][ T8478] Call Trace:
[  493.181147][ T8478]  <TASK>
[  493.181148][ T8478]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  493.181154][ T8478]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  493.181156][ T8478]  __might_resched.cold (kernel/sched/core.c:9234)
[  493.181160][ T8478]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  493.181164][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181166][ T8478]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  493.181169][ T8478]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  493.181172][ T8478]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  493.181177][ T8478]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  493.181179][ T8478]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  493.181182][ T8478]  put_chars (drivers/char/virtio_console.c:1176)
[  493.181184][ T8478]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  493.181185][ T8478]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  493.181188][ T8478]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  493.181190][ T8478]  ? pointer (lib/vsprintf.c:2577)
[  493.181197][ T8478]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  493.181202][ T8478]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  493.181204][ T8478]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  493.181206][ T8478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.181209][ T8478]  console_emit_next_record (kernel/printk/printk.c:3183)
[  493.181212][ T8478]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  493.181214][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181216][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181217][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181218][ T8478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.181220][ T8478]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  493.181222][ T8478]  console_flush_one_record (kernel/printk/printk.c:3268)
[  493.181230][ T8478]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  493.181233][ T8478]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  493.181236][ T8478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.181237][ T8478]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  493.181239][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181241][ T8478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  493.181242][ T8478]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  493.181244][ T8478]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  493.181246][ T8478]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  493.181248][ T8478]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  493.181250][ T8478]  vprintk_emit (kernel/printk/printk.c:2479)
[  493.181252][ T8478]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  493.181253][ T8478]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  493.181256][ T8478]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  493.181259][ T8478]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  493.181262][ T8478]  _printk (kernel/printk/printk.c:2504)
[  493.181265][ T8478]  ? snapshot_read.cold (user.c:?)
[  493.181267][ T8478]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  493.181269][ T8478]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  493.181273][ T8478]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  493.181275][ T8478]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  493.181278][ T8478]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  493.181281][ T8478]  ? netdev_notice (net/core/dev.c:13194)
[  493.181283][ T8478]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  493.181285][ T8478]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  493.181288][ T8478]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  493.181289][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181290][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181292][ T8478]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  493.181293][ T8478]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  493.181295][ T8478]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  493.181296][ T8478]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  493.181298][ T8478]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  493.181300][ T8478]  ? register_netdev (net/core/dev.c:11618)
[  493.181301][ T8478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  493.181303][ T8478]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  493.181307][ T8478]  ? __kernel_text_address (kernel/extable.c:79)
[  493.181309][ T8478]  ? write_profile (profile.c:?)
[  493.181312][ T8478]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  493.181316][ T8478]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  493.181318][ T8478]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  493.181320][ T8478]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  493.181321][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181322][ T8478]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  493.181326][ T8478]  ? kasan_save_stack (mm/kasan/common.c:58)
[  493.181328][ T8478]  ? kasan_save_stack (mm/kasan/common.c:57)
[  493.181329][ T8478]  ? kasan_save_track (mm/kasan/common.c:78)
[  493.181330][ T8478]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  493.181331][ T8478]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  493.181333][ T8478]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  493.181334][ T8478]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  493.181335][ T8478]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  493.181339][ T8478]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  493.181340][ T8478]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  493.181342][ T8478]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  493.181345][ T8478]  ? ____sys_sendmsg (net/socket.c:2713)
[  493.181346][ T8478]  ? ___sys_sendmsg (net/socket.c:2767)
[  493.181348][ T8478]  ? __sys_sendmsg (net/socket.c:2799)
[  493.181350][ T8478]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  493.181352][ T8478]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  493.181355][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181356][ T8478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.181358][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181359][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181360][ T8478]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  493.181362][ T8478]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  493.181363][ T8478]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  493.181364][ T8478]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  493.181366][ T8478]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  493.181367][ T8478]  ? nla_get_range_signed (lib/nlattr.c:270)
[  493.181370][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181372][ T8478]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  493.181374][ T8478]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  493.181376][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181378][ T8478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  493.181379][ T8478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.181380][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181382][ T8478]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  493.181385][ T8478]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  493.181386][ T8478]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  493.181388][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181389][ T8478]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  493.181392][ T8478]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  493.181395][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181396][ T8478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.181397][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181399][ T8478]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  493.181400][ T8478]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  493.181402][ T8478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  493.181404][ T8478]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  493.181405][ T8478]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  493.181408][ T8478]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  493.181410][ T8478]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  493.181411][ T8478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  493.181413][ T8478]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  493.181415][ T8478]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  493.181418][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181419][ T8478]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  493.181421][ T8478]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  493.181424][ T8478]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  493.181426][ T8478]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  493.181428][ T8478]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  493.181430][ T8478]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  493.181432][ T8478]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  493.181434][ T8478]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  493.181435][ T8478]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  493.181439][ T8478]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  493.181441][ T8478]  ____sys_sendmsg (net/socket.c:2713)
[  493.181442][ T8478]  ? copy_msghdr_from_user (net/socket.c:2650)
[  493.181444][ T8478]  ? sock_write_iter (net/socket.c:1269)
[  493.181446][ T8478]  ? move_addr_to_kernel (net/socket.c:258)
[  493.181448][ T8478]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  493.181450][ T8478]  ___sys_sendmsg (net/socket.c:2767)
[  493.181452][ T8478]  ? copy_msghdr_from_user (net/socket.c:2619)
[  493.181458][ T8478]  __sys_sendmsg (net/socket.c:2799)
[  493.181460][ T8478]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  493.181463][ T8478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  493.181465][ T8478]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  493.181467][ T8478]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  493.181469][ T8478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  493.181470][ T8478] RIP: 0033:0x7f7058e9454e
[  493.181473][ T8478] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  493.181474][ T8478] RSP: 002b:00007ffc9deb0520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  493.181478][ T8478] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7058e9454e
[  493.181480][ T8478] RDX: 0000000000000000 RSI: 00007ffc9deb05d0 RDI: 0000000000000005
[  493.181481][ T8478] RBP: 00007ffc9deb0530 R08: 0000000000000000 R09: 0000000000000000
[  493.181482][ T8478] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912716
[  493.181483][ T8478] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9deb0c90
| [  494.688488][ T8536] softirqs last disabled at (0): 0x0
| [  494.688491][ T8536] Preemption disabled at:
| [  494.688492][ T8536] vprintk_emit (kernel/printk/printk.c:2471)
| [  494.688506][ T8536] Tainted: [W]=WARN
[  494.688507][ T8536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  494.688510][ T8536] Call Trace:
[  494.688512][ T8536]  <TASK>
[  494.688514][ T8536]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  494.688521][ T8536]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  494.688523][ T8536]  __might_resched.cold (kernel/sched/core.c:9234)
[  494.688528][ T8536]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  494.688532][ T8536]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  494.688536][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688540][ T8536]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  494.688544][ T8536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  494.688548][ T8536]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  494.688554][ T8536]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  494.688557][ T8536]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  494.688562][ T8536]  put_chars (drivers/char/virtio_console.c:1176)
[  494.688565][ T8536]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  494.688568][ T8536]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  494.688572][ T8536]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  494.688579][ T8536]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  494.688581][ T8536]  ? vsnprintf (lib/vsprintf.c:2900)
[  494.688586][ T8536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  494.688588][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688590][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688594][ T8536]  console_emit_next_record (kernel/printk/printk.c:3183)
[  494.688598][ T8536]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  494.688602][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688604][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688606][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688608][ T8536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.688612][ T8536]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  494.688615][ T8536]  console_flush_one_record (kernel/printk/printk.c:3268)
[  494.688619][ T8536]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  494.688624][ T8536]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  494.688627][ T8536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.688630][ T8536]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  494.688632][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688634][ T8536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  494.688636][ T8536]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  494.688639][ T8536]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  494.688641][ T8536]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  494.688644][ T8536]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  494.688647][ T8536]  vprintk_emit (kernel/printk/printk.c:2479)
[  494.688650][ T8536]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  494.688652][ T8536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  494.688655][ T8536]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  494.688659][ T8536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.688662][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688665][ T8536]  _printk (kernel/printk/printk.c:2504)
[  494.688669][ T8536]  ? snapshot_read.cold (user.c:?)
[  494.688672][ T8536]  ? br_multicast_flood (??:?)
[  494.688677][ T8536]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  494.688681][ T8536]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  494.688683][ T8536]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  494.688686][ T8536]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  494.688691][ T8536]  br_init_port (net/bridge/br_stp_if.c:39)
[  494.688694][ T8536]  new_nbp (net/bridge/br_if.c:449)
[  494.688698][ T8536]  br_add_if (net/bridge/br_if.c:592)
[  494.688700][ T8536]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  494.688707][ T8536]  do_set_master (net/core/rtnetlink.c:3071)
[  494.688710][ T8536]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  494.688713][ T8536]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  494.688716][ T8536]  ? __dev_get_by_name (net/core/dev.c:905)
[  494.688718][ T8536]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  494.688725][ T8536]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  494.688729][ T8536]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  494.688733][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688735][ T8536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  494.688738][ T8536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.688740][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688743][ T8536]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  494.688746][ T8536]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  494.688749][ T8536]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  494.688753][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688755][ T8536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.688758][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688760][ T8536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  494.688763][ T8536]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  494.688766][ T8536]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  494.688768][ T8536]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  494.688771][ T8536]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  494.688777][ T8536]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  494.688781][ T8536]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  494.688784][ T8536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  494.688786][ T8536]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  494.688789][ T8536]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  494.688794][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688797][ T8536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  494.688800][ T8536]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  494.688804][ T8536]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  494.688807][ T8536]  ? next_uptodate_folio (mm/filemap.c:3747)
[  494.688812][ T8536]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  494.688815][ T8536]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  494.688819][ T8536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.688822][ T8536]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  494.688827][ T8536]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  494.688831][ T8536]  ____sys_sendmsg (net/socket.c:2713)
[  494.688833][ T8536]  ? copy_msghdr_from_user (net/socket.c:2650)
[  494.688836][ T8536]  ? sock_write_iter (net/socket.c:1269)
[  494.688839][ T8536]  ? move_addr_to_kernel (net/socket.c:258)
[  494.688843][ T8536]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  494.688846][ T8536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  494.688849][ T8536]  ___sys_sendmsg (net/socket.c:2767)
[  494.688852][ T8536]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  494.688855][ T8536]  ? copy_msghdr_from_user (net/socket.c:2619)
[  494.688858][ T8536]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  494.688866][ T8536]  __sys_sendmsg (net/socket.c:2799)
[  494.688869][ T8536]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  494.688874][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688876][ T8536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  494.688879][ T8536]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  494.688883][ T8536]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  494.688886][ T8536]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  494.688889][ T8536] RIP: 0033:0x7f134c4f654e
[  494.688892][ T8536] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  494.688896][ T8536] RSP: 002b:00007ffe3a480370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  494.688901][ T8536] RAX: ffffffffffffffda RBX: 00007ffe3a480b38 RCX: 00007f134c4f654e
[  494.688903][ T8536] RDX: 0000000000000000 RSI: 00007ffe3a480420 RDI: 0000000000000005
[  494.688905][ T8536] RBP: 00007ffe3a480380 R08: 0000000000000000 R09: 0000000000000000
[  494.688907][ T8536] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912718
[  494.688908][ T8536] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3a480af0
| [  500.460023][ T8569] softirqs last disabled at (0): 0x0
| [  500.460025][ T8569] Preemption disabled at:
| [  500.460026][ T8569] vprintk_emit (kernel/printk/printk.c:2471)
| [  500.460036][ T8569] Tainted: [W]=WARN
[  500.460038][ T8569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  500.460040][ T8569] Call Trace:
[  500.460041][ T8569]  <TASK>
[  500.460042][ T8569]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  500.460048][ T8569]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  500.460050][ T8569]  __might_resched.cold (kernel/sched/core.c:9234)
[  500.460053][ T8569]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  500.460057][ T8569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.460060][ T8569]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  500.460063][ T8569]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.460066][ T8569]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.460071][ T8569]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  500.460073][ T8569]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  500.460075][ T8569]  put_chars (drivers/char/virtio_console.c:1176)
[  500.460077][ T8569]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  500.460079][ T8569]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  500.460081][ T8569]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  500.460084][ T8569]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  500.460089][ T8569]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  500.460091][ T8569]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  500.460093][ T8569]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.460095][ T8569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.460096][ T8569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.460097][ T8569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.460100][ T8569]  console_emit_next_record (kernel/printk/printk.c:3183)
[  500.460103][ T8569]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  500.460105][ T8569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.460106][ T8569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.460107][ T8569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.460108][ T8569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.460110][ T8569]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  500.460112][ T8569]  console_flush_one_record (kernel/printk/printk.c:3268)
[  500.460115][ T8569]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  500.460118][ T8569]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  500.460120][ T8569]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  500.460121][ T8569]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  500.460123][ T8569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.460124][ T8569]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  500.460126][ T8569]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  500.460128][ T8569]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  500.460129][ T8569]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  500.460131][ T8569]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  500.460133][ T8569]  vprintk_emit (kernel/printk/printk.c:2479)
[  500.460135][ T8569]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  500.460137][ T8569]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  500.460140][ T8569]  _printk (kernel/printk/printk.c:2504)
[  500.460143][ T8569]  ? snapshot_read.cold (user.c:?)
[  500.460146][ T8569]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[  500.460149][ T8569] gact_init_module (net/sched/act_gact.c:180) act_gact
[  500.460151][ T8569]  do_one_initcall (init/main.c:1357)
[  500.460153][ T8569]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  500.460156][ T8569]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  500.460158][ T8569]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  500.460162][ T8569]  do_init_module (kernel/module/main.c:3117)
[  500.460164][ T8569]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  500.460166][ T8569]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  500.460168][ T8569]  load_module (kernel/module/main.c:3593)
[  500.460170][ T8569]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  500.460174][ T8569]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  500.460176][ T8569]  ? __ia32_sys_fsconfig (??:?)
[  500.460179][ T8569]  ? backing_file_read_iter (fs/backing-file.c:211)
[  500.460183][ T8569]  init_module_from_file (kernel/module/main.c:3790)
[  500.460184][ T8569]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  500.460186][ T8569]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  500.460190][ T8569]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  500.460192][ T8569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  500.460193][ T8569]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  500.460197][ T8569]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  500.460200][ T8569]  idempotent_init_module (kernel/module/main.c:3802)
[  500.460202][ T8569]  ? init_module_from_file (kernel/module/main.c:3791)
[  500.460204][ T8569]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  500.460206][ T8569]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  500.460209][ T8569]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  500.460211][ T8569]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  500.460214][ T8569]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  500.460218][ T8569]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  500.460220][ T8569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  500.460223][ T8569] RIP: 0033:0x7f9e7efdd37d
[  500.460225][ T8569] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[  500.460227][ T8569] RSP: 002b:00007ffcb27e0598 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  500.460231][ T8569] RAX: ffffffffffffffda RBX: 000055cce1c72810 RCX: 00007f9e7efdd37d
[  500.460232][ T8569] RDX: 0000000000000000 RSI: 000055cccbb73ffd RDI: 0000000000000000
[  500.460233][ T8569] RBP: 00007ffcb27e0630 R08: 0000000000000000 R09: 0000000000000000
[  500.460235][ T8569] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cccbb73ffd
[  500.460236][ T8569] R13: 000055cce1c72960 R14: 0000000000040000 R15: 0000000000000000
| [  503.177973][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  503.177975][   T71] Preemption disabled at:
| [  503.177976][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  503.177987][   T71] Tainted: [W]=WARN
[  503.177988][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  503.177990][   T71] Workqueue: netns cleanup_net
[  503.177995][   T71] Call Trace:
[  503.177997][   T71]  <TASK>
[  503.177999][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  503.178005][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  503.178006][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  503.178010][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  503.178012][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  503.178015][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.178018][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  503.178021][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  503.178024][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  503.178028][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  503.178030][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  503.178033][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  503.178035][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  503.178036][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  503.178039][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  503.178043][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  503.178045][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  503.178048][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  503.178049][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.178050][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.178052][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  503.178055][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  503.178057][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.178058][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.178059][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.178060][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.178063][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  503.178065][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  503.178067][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  503.178070][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  503.178072][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.178074][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  503.178075][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.178076][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  503.178078][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  503.178080][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  503.178081][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  503.178083][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  503.178085][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  503.178087][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  503.178088][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  503.178089][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  503.178092][   T71]  ? kthread (kernel/kthread.c:436)
[  503.178094][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  503.178097][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  503.178100][   T71]  _printk (kernel/printk/printk.c:2504)
[  503.178103][   T71]  ? snapshot_read.cold (user.c:?)
[  503.178105][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  503.178108][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  503.178110][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  503.178112][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  503.178115][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.178116][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  503.178117][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  503.178120][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  503.178122][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  503.178123][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  503.178126][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  503.178128][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  503.178132][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  503.178134][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  503.178137][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  503.178139][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  503.178141][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  503.178144][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  503.178146][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  503.178147][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  503.178150][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.178152][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.178154][   T71]  process_one_work (kernel/workqueue.c:3387)
[  503.178157][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  503.178159][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  503.178161][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  503.178163][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  503.178166][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  503.178168][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  503.178170][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  503.178172][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  503.178173][   T71]  kthread (kernel/kthread.c:436)
[  503.178175][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  503.178177][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  503.178179][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  503.178181][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  503.178183][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  503.178186][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  503.178188][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  504.645242][ T8759] softirqs last disabled at (0): 0x0
| [  504.645245][ T8759] Preemption disabled at:
| [  504.645247][ T8759] vprintk_emit (kernel/printk/printk.c:2471)
| [  504.645260][ T8759] Tainted: [W]=WARN
[  504.645261][ T8759] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  504.645263][ T8759] Call Trace:
[  504.645266][ T8759]  <TASK>
[  504.645267][ T8759]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  504.645275][ T8759]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  504.645277][ T8759]  __might_resched.cold (kernel/sched/core.c:9234)
[  504.645281][ T8759]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  504.645284][ T8759]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  504.645288][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645292][ T8759]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  504.645296][ T8759]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  504.645300][ T8759]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  504.645311][ T8759]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  504.645314][ T8759]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  504.645318][ T8759]  put_chars (drivers/char/virtio_console.c:1176)
[  504.645320][ T8759]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  504.645323][ T8759]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  504.645327][ T8759]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  504.645334][ T8759]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  504.645336][ T8759]  ? vsnprintf (lib/vsprintf.c:2900)
[  504.645341][ T8759]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  504.645343][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645345][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645348][ T8759]  console_emit_next_record (kernel/printk/printk.c:3183)
[  504.645353][ T8759]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  504.645356][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645359][ T8759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.645363][ T8759]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  504.645366][ T8759]  console_flush_one_record (kernel/printk/printk.c:3268)
[  504.645370][ T8759]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  504.645374][ T8759]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  504.645377][ T8759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.645380][ T8759]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  504.645383][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645385][ T8759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  504.645387][ T8759]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  504.645390][ T8759]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  504.645392][ T8759]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  504.645396][ T8759]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  504.645398][ T8759]  vprintk_emit (kernel/printk/printk.c:2479)
[  504.645401][ T8759]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  504.645403][ T8759]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  504.645406][ T8759]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  504.645410][ T8759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.645413][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645416][ T8759]  _printk (kernel/printk/printk.c:2504)
[  504.645420][ T8759]  ? snapshot_read.cold (user.c:?)
[  504.645423][ T8759]  ? br_multicast_flood (??:?)
[  504.645427][ T8759]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  504.645431][ T8759]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  504.645433][ T8759]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  504.645436][ T8759]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  504.645440][ T8759]  br_init_port (net/bridge/br_stp_if.c:39)
[  504.645443][ T8759]  new_nbp (net/bridge/br_if.c:449)
[  504.645447][ T8759]  br_add_if (net/bridge/br_if.c:592)
[  504.645449][ T8759]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  504.645455][ T8759]  do_set_master (net/core/rtnetlink.c:3071)
[  504.645458][ T8759]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  504.645462][ T8759]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  504.645464][ T8759]  ? __dev_get_by_name (net/core/dev.c:905)
[  504.645467][ T8759]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  504.645473][ T8759]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  504.645477][ T8759]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  504.645481][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645483][ T8759]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  504.645485][ T8759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.645488][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645490][ T8759]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  504.645494][ T8759]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  504.645497][ T8759]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  504.645500][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645502][ T8759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.645505][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645507][ T8759]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  504.645510][ T8759]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  504.645513][ T8759]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  504.645515][ T8759]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  504.645518][ T8759]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  504.645523][ T8759]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  504.645527][ T8759]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  504.645530][ T8759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  504.645532][ T8759]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  504.645535][ T8759]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  504.645540][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645542][ T8759]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  504.645546][ T8759]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  504.645550][ T8759]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  504.645553][ T8759]  ? next_uptodate_folio (mm/filemap.c:3747)
[  504.645557][ T8759]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  504.645561][ T8759]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  504.645565][ T8759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.645567][ T8759]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  504.645572][ T8759]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  504.645576][ T8759]  ____sys_sendmsg (net/socket.c:2713)
[  504.645579][ T8759]  ? copy_msghdr_from_user (net/socket.c:2650)
[  504.645582][ T8759]  ? sock_write_iter (net/socket.c:1269)
[  504.645584][ T8759]  ? move_addr_to_kernel (net/socket.c:258)
[  504.645588][ T8759]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  504.645591][ T8759]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  504.645595][ T8759]  ___sys_sendmsg (net/socket.c:2767)
[  504.645597][ T8759]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  504.645600][ T8759]  ? copy_msghdr_from_user (net/socket.c:2619)
[  504.645603][ T8759]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  504.645611][ T8759]  __sys_sendmsg (net/socket.c:2799)
[  504.645614][ T8759]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  504.645619][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645621][ T8759]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  504.645624][ T8759]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  504.645628][ T8759]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  504.645631][ T8759]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  504.645635][ T8759] RIP: 0033:0x7f2ecbdc554e
[  504.645638][ T8759] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  504.645640][ T8759] RSP: 002b:00007ffc4ce60a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  504.645645][ T8759] RAX: ffffffffffffffda RBX: 00007ffc4ce61258 RCX: 00007f2ecbdc554e
[  504.645647][ T8759] RDX: 0000000000000000 RSI: 00007ffc4ce60b40 RDI: 0000000000000005
[  504.645649][ T8759] RBP: 00007ffc4ce60aa0 R08: 0000000000000000 R09: 0000000000000000
[  504.645651][ T8759] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912722
[  504.645653][ T8759] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4ce61210
| [  506.263605][ T8827] softirqs last disabled at (0): 0x0
| [  506.263607][ T8827] Preemption disabled at:
| [  506.263608][ T8827] vprintk_emit (kernel/printk/printk.c:2471)
| [  506.263618][ T8827] Tainted: [W]=WARN
[  506.263619][ T8827] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  506.263621][ T8827] Call Trace:
[  506.263623][ T8827]  <TASK>
[  506.263624][ T8827]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  506.263630][ T8827]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  506.263631][ T8827]  __might_resched.cold (kernel/sched/core.c:9234)
[  506.263635][ T8827]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  506.263638][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263641][ T8827]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  506.263644][ T8827]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  506.263647][ T8827]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  506.263652][ T8827]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  506.263654][ T8827]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  506.263657][ T8827]  put_chars (drivers/char/virtio_console.c:1176)
[  506.263658][ T8827]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  506.263660][ T8827]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  506.263662][ T8827]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  506.263664][ T8827]  ? pointer (lib/vsprintf.c:2577)
[  506.263668][ T8827]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  506.263673][ T8827]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  506.263675][ T8827]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  506.263677][ T8827]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.263679][ T8827]  console_emit_next_record (kernel/printk/printk.c:3183)
[  506.263682][ T8827]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  506.263684][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263685][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263687][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263688][ T8827]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.263690][ T8827]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  506.263692][ T8827]  console_flush_one_record (kernel/printk/printk.c:3268)
[  506.263694][ T8827]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  506.263697][ T8827]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  506.263699][ T8827]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.263701][ T8827]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  506.263703][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263704][ T8827]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  506.263705][ T8827]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  506.263707][ T8827]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  506.263709][ T8827]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  506.263711][ T8827]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  506.263713][ T8827]  vprintk_emit (kernel/printk/printk.c:2479)
[  506.263715][ T8827]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  506.263716][ T8827]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  506.263719][ T8827]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  506.263722][ T8827]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  506.263724][ T8827]  _printk (kernel/printk/printk.c:2504)
[  506.263728][ T8827]  ? snapshot_read.cold (user.c:?)
[  506.263730][ T8827]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  506.263732][ T8827]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  506.263736][ T8827]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  506.263738][ T8827]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  506.263741][ T8827]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  506.263744][ T8827]  ? netdev_notice (net/core/dev.c:13194)
[  506.263746][ T8827]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  506.263748][ T8827]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  506.263751][ T8827]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  506.263752][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263753][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263755][ T8827]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  506.263756][ T8827]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  506.263758][ T8827]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  506.263759][ T8827]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  506.263761][ T8827]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  506.263762][ T8827]  ? register_netdev (net/core/dev.c:11618)
[  506.263764][ T8827]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  506.263766][ T8827]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  506.263769][ T8827]  ? __kernel_text_address (kernel/extable.c:79)
[  506.263772][ T8827]  ? write_profile (profile.c:?)
[  506.263774][ T8827]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  506.263778][ T8827]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  506.263780][ T8827]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  506.263782][ T8827]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  506.263783][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263784][ T8827]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  506.263788][ T8827]  ? kasan_save_stack (mm/kasan/common.c:58)
[  506.263790][ T8827]  ? kasan_save_stack (mm/kasan/common.c:57)
[  506.263791][ T8827]  ? kasan_save_track (mm/kasan/common.c:78)
[  506.263792][ T8827]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  506.263793][ T8827]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  506.263795][ T8827]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  506.263796][ T8827]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  506.263797][ T8827]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  506.263800][ T8827]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  506.263802][ T8827]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  506.263803][ T8827]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  506.263806][ T8827]  ? ____sys_sendmsg (net/socket.c:2713)
[  506.263808][ T8827]  ? ___sys_sendmsg (net/socket.c:2767)
[  506.263809][ T8827]  ? __sys_sendmsg (net/socket.c:2799)
[  506.263811][ T8827]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  506.263813][ T8827]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  506.263816][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263817][ T8827]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.263819][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263820][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263821][ T8827]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  506.263823][ T8827]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  506.263824][ T8827]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  506.263825][ T8827]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  506.263827][ T8827]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  506.263828][ T8827]  ? nla_get_range_signed (lib/nlattr.c:270)
[  506.263832][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263833][ T8827]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  506.263836][ T8827]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  506.263838][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263839][ T8827]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.263840][ T8827]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.263842][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263843][ T8827]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  506.263846][ T8827]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  506.263847][ T8827]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  506.263849][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263850][ T8827]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  506.263853][ T8827]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  506.263856][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263857][ T8827]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.263858][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263860][ T8827]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.263861][ T8827]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  506.263863][ T8827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  506.263864][ T8827]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  506.263866][ T8827]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  506.263868][ T8827]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  506.263870][ T8827]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  506.263872][ T8827]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  506.263874][ T8827]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  506.263876][ T8827]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  506.263879][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263880][ T8827]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  506.263883][ T8827]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  506.263885][ T8827]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  506.263887][ T8827]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  506.263889][ T8827]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  506.263891][ T8827]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  506.263893][ T8827]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  506.263895][ T8827]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.263897][ T8827]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  506.263900][ T8827]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  506.263902][ T8827]  ____sys_sendmsg (net/socket.c:2713)
[  506.263904][ T8827]  ? copy_msghdr_from_user (net/socket.c:2650)
[  506.263906][ T8827]  ? sock_write_iter (net/socket.c:1269)
[  506.263908][ T8827]  ? move_addr_to_kernel (net/socket.c:258)
[  506.263909][ T8827]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  506.263912][ T8827]  ___sys_sendmsg (net/socket.c:2767)
[  506.263914][ T8827]  ? copy_msghdr_from_user (net/socket.c:2619)
[  506.263919][ T8827]  __sys_sendmsg (net/socket.c:2799)
[  506.263921][ T8827]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  506.263924][ T8827]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.263926][ T8827]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  506.263928][ T8827]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  506.263930][ T8827]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  506.263931][ T8827] RIP: 0033:0x7f78af04154e
[  506.263933][ T8827] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  506.263935][ T8827] RSP: 002b:00007ffe289fff10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  506.263939][ T8827] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f78af04154e
[  506.263941][ T8827] RDX: 0000000000000000 RSI: 00007ffe289fffc0 RDI: 0000000000000005
[  506.263942][ T8827] RBP: 00007ffe289fff20 R08: 0000000000000000 R09: 0000000000000000
[  506.263943][ T8827] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912723
[  506.263944][ T8827] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe28a00680
| [  507.636025][ T8883] softirqs last disabled at (0): 0x0
| [  507.636027][ T8883] Preemption disabled at:
| [  507.636028][ T8883] vprintk_emit (kernel/printk/printk.c:2471)
| [  507.636038][ T8883] Tainted: [W]=WARN
[  507.636040][ T8883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  507.636041][ T8883] Call Trace:
[  507.636043][ T8883]  <TASK>
[  507.636045][ T8883]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  507.636051][ T8883]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  507.636052][ T8883]  __might_resched.cold (kernel/sched/core.c:9234)
[  507.636056][ T8883]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  507.636058][ T8883]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  507.636061][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636064][ T8883]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  507.636067][ T8883]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  507.636071][ T8883]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  507.636076][ T8883]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  507.636078][ T8883]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  507.636081][ T8883]  put_chars (drivers/char/virtio_console.c:1176)
[  507.636083][ T8883]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  507.636084][ T8883]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  507.636087][ T8883]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  507.636092][ T8883]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  507.636094][ T8883]  ? vsnprintf (lib/vsprintf.c:2900)
[  507.636097][ T8883]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  507.636099][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636100][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636102][ T8883]  console_emit_next_record (kernel/printk/printk.c:3183)
[  507.636105][ T8883]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  507.636107][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636108][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636110][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636111][ T8883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.636113][ T8883]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  507.636115][ T8883]  console_flush_one_record (kernel/printk/printk.c:3268)
[  507.636117][ T8883]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  507.636120][ T8883]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  507.636122][ T8883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.636124][ T8883]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  507.636126][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636127][ T8883]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  507.636128][ T8883]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  507.636130][ T8883]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  507.636132][ T8883]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  507.636134][ T8883]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  507.636135][ T8883]  vprintk_emit (kernel/printk/printk.c:2479)
[  507.636137][ T8883]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  507.636138][ T8883]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  507.636140][ T8883]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  507.636143][ T8883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.636145][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636147][ T8883]  _printk (kernel/printk/printk.c:2504)
[  507.636150][ T8883]  ? snapshot_read.cold (user.c:?)
[  507.636152][ T8883]  ? br_multicast_flood (??:?)
[  507.636156][ T8883]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  507.636158][ T8883]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  507.636159][ T8883]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  507.636161][ T8883]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  507.636164][ T8883]  br_init_port (net/bridge/br_stp_if.c:39)
[  507.636166][ T8883]  new_nbp (net/bridge/br_if.c:449)
[  507.636168][ T8883]  br_add_if (net/bridge/br_if.c:592)
[  507.636170][ T8883]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  507.636174][ T8883]  do_set_master (net/core/rtnetlink.c:3071)
[  507.636176][ T8883]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  507.636178][ T8883]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  507.636179][ T8883]  ? __dev_get_by_name (net/core/dev.c:905)
[  507.636181][ T8883]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  507.636185][ T8883]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  507.636188][ T8883]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  507.636190][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636191][ T8883]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  507.636193][ T8883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.636194][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636198][ T8883]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  507.636201][ T8883]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  507.636203][ T8883]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  507.636206][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636207][ T8883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.636209][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636210][ T8883]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  507.636211][ T8883]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  507.636213][ T8883]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  507.636215][ T8883]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  507.636216][ T8883]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  507.636220][ T8883]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  507.636223][ T8883]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  507.636224][ T8883]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  507.636226][ T8883]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  507.636230][ T8883]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  507.636234][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636235][ T8883]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  507.636237][ T8883]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  507.636239][ T8883]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  507.636241][ T8883]  ? next_uptodate_folio (mm/filemap.c:3747)
[  507.636245][ T8883]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  507.636247][ T8883]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  507.636249][ T8883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.636251][ T8883]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  507.636255][ T8883]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  507.636258][ T8883]  ____sys_sendmsg (net/socket.c:2713)
[  507.636260][ T8883]  ? copy_msghdr_from_user (net/socket.c:2650)
[  507.636262][ T8883]  ? sock_write_iter (net/socket.c:1269)
[  507.636263][ T8883]  ? move_addr_to_kernel (net/socket.c:258)
[  507.636266][ T8883]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  507.636268][ T8883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  507.636270][ T8883]  ___sys_sendmsg (net/socket.c:2767)
[  507.636272][ T8883]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  507.636274][ T8883]  ? copy_msghdr_from_user (net/socket.c:2619)
[  507.636276][ T8883]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  507.636280][ T8883]  __sys_sendmsg (net/socket.c:2799)
[  507.636283][ T8883]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  507.636285][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636287][ T8883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  507.636288][ T8883]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  507.636291][ T8883]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  507.636293][ T8883]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  507.636295][ T8883] RIP: 0033:0x7ffbad89a54e
[  507.636297][ T8883] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  507.636299][ T8883] RSP: 002b:00007ffdc8175860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  507.636303][ T8883] RAX: ffffffffffffffda RBX: 00007ffdc8176028 RCX: 00007ffbad89a54e
[  507.636305][ T8883] RDX: 0000000000000000 RSI: 00007ffdc8175910 RDI: 0000000000000005
[  507.636306][ T8883] RBP: 00007ffdc8175870 R08: 0000000000000000 R09: 0000000000000000
[  507.636306][ T8883] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912725
[  507.636307][ T8883] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc8175fe0
| [  515.677068][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  515.677071][   T71] Preemption disabled at:
| [  515.677072][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  515.677086][   T71] Tainted: [W]=WARN
[  515.677088][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  515.677091][   T71] Workqueue: netns cleanup_net
[  515.677097][   T71] Call Trace:
[  515.677099][   T71]  <TASK>
[  515.677102][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  515.677108][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  515.677110][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  515.677115][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  515.677118][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  515.677122][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.677126][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  515.677130][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  515.677134][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  515.677140][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  515.677142][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  515.677146][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  515.677149][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  515.677153][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  515.677156][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  515.677162][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  515.677165][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  515.677169][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  515.677171][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.677173][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.677176][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  515.677181][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  515.677184][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.677186][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.677188][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.677190][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  515.677199][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  515.677202][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  515.677206][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  515.677210][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  515.677213][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  515.677216][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  515.677219][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.677221][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  515.677224][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  515.677226][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  515.677229][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  515.677232][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  515.677235][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  515.677238][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  515.677240][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  515.677243][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  515.677247][   T71]  ? kthread (kernel/kthread.c:436)
[  515.677250][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  515.677253][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  515.677257][   T71]  _printk (kernel/printk/printk.c:2504)
[  515.677261][   T71]  ? snapshot_read.cold (user.c:?)
[  515.677265][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  515.677269][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  515.677273][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  515.677276][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  515.677280][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.677282][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  515.677284][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  515.677288][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  515.677291][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  515.677294][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  515.677298][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  515.677301][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  515.677306][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  515.677310][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  515.677313][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  515.677317][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  515.677320][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  515.677324][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  515.677327][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  515.677330][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  515.677334][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  515.677336][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  515.677339][   T71]  process_one_work (kernel/workqueue.c:3387)
[  515.677344][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  515.677348][   T71]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  515.677351][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  515.677355][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  515.677359][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  515.677362][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  515.677365][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  515.677368][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  515.677371][   T71]  kthread (kernel/kthread.c:436)
[  515.677373][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  515.677376][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  515.677386][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  515.677389][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  515.677393][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  515.677397][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  515.677400][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  517.071812][ T9101] softirqs last disabled at (0): 0x0
| [  517.071814][ T9101] Preemption disabled at:
| [  517.071814][ T9101] vprintk_emit (kernel/printk/printk.c:2471)
| [  517.071825][ T9101] Tainted: [W]=WARN
[  517.071826][ T9101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  517.071828][ T9101] Call Trace:
[  517.071829][ T9101]  <TASK>
[  517.071831][ T9101]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  517.071837][ T9101]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  517.071838][ T9101]  __might_resched.cold (kernel/sched/core.c:9234)
[  517.071842][ T9101]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  517.071845][ T9101]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  517.071848][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071850][ T9101]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  517.071853][ T9101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.071857][ T9101]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  517.071862][ T9101]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  517.071864][ T9101]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  517.071867][ T9101]  put_chars (drivers/char/virtio_console.c:1176)
[  517.071868][ T9101]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  517.071870][ T9101]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  517.071873][ T9101]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  517.071878][ T9101]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  517.071880][ T9101]  ? vsnprintf (lib/vsprintf.c:2900)
[  517.071883][ T9101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.071885][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071886][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071888][ T9101]  console_emit_next_record (kernel/printk/printk.c:3183)
[  517.071891][ T9101]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  517.071893][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071894][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071895][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071896][ T9101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.071899][ T9101]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  517.071900][ T9101]  console_flush_one_record (kernel/printk/printk.c:3268)
[  517.071903][ T9101]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  517.071906][ T9101]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  517.071908][ T9101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.071910][ T9101]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  517.071911][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071912][ T9101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  517.071914][ T9101]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  517.071916][ T9101]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  517.071917][ T9101]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  517.071919][ T9101]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  517.071921][ T9101]  vprintk_emit (kernel/printk/printk.c:2479)
[  517.071923][ T9101]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  517.071924][ T9101]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.071925][ T9101]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  517.071928][ T9101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.071930][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071932][ T9101]  _printk (kernel/printk/printk.c:2504)
[  517.071935][ T9101]  ? snapshot_read.cold (user.c:?)
[  517.071937][ T9101]  ? br_multicast_flood (??:?)
[  517.071940][ T9101]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  517.071943][ T9101]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  517.071945][ T9101]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  517.071946][ T9101]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  517.071949][ T9101]  br_init_port (net/bridge/br_stp_if.c:39)
[  517.071951][ T9101]  new_nbp (net/bridge/br_if.c:449)
[  517.071954][ T9101]  br_add_if (net/bridge/br_if.c:592)
[  517.071955][ T9101]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  517.071960][ T9101]  do_set_master (net/core/rtnetlink.c:3071)
[  517.071962][ T9101]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  517.071964][ T9101]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  517.071965][ T9101]  ? __dev_get_by_name (net/core/dev.c:905)
[  517.071967][ T9101]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  517.071971][ T9101]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  517.071974][ T9101]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  517.071976][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071977][ T9101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  517.071979][ T9101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.071980][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071982][ T9101]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  517.071985][ T9101]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  517.071986][ T9101]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  517.071989][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071990][ T9101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.071992][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.071993][ T9101]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  517.071994][ T9101]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  517.071996][ T9101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  517.071997][ T9101]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  517.071999][ T9101]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  517.072003][ T9101]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  517.072006][ T9101]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  517.072007][ T9101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  517.072009][ T9101]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  517.072011][ T9101]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  517.072014][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.072015][ T9101]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  517.072017][ T9101]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  517.072020][ T9101]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  517.072022][ T9101]  ? next_uptodate_folio (mm/filemap.c:3747)
[  517.072025][ T9101]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  517.072027][ T9101]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  517.072029][ T9101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.072031][ T9101]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  517.072035][ T9101]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  517.072038][ T9101]  ____sys_sendmsg (net/socket.c:2713)
[  517.072039][ T9101]  ? copy_msghdr_from_user (net/socket.c:2650)
[  517.072042][ T9101]  ? sock_write_iter (net/socket.c:1269)
[  517.072044][ T9101]  ? move_addr_to_kernel (net/socket.c:258)
[  517.072047][ T9101]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  517.072049][ T9101]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.072051][ T9101]  ___sys_sendmsg (net/socket.c:2767)
[  517.072053][ T9101]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  517.072055][ T9101]  ? copy_msghdr_from_user (net/socket.c:2619)
[  517.072058][ T9101]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  517.072065][ T9101]  __sys_sendmsg (net/socket.c:2799)
[  517.072068][ T9101]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  517.072072][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.072074][ T9101]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.072077][ T9101]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  517.072081][ T9101]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  517.072084][ T9101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  517.072087][ T9101] RIP: 0033:0x7fd46488454e
[  517.072089][ T9101] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  517.072093][ T9101] RSP: 002b:00007fffa93193d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  517.072097][ T9101] RAX: ffffffffffffffda RBX: 00007fffa9319b98 RCX: 00007fd46488454e
[  517.072099][ T9101] RDX: 0000000000000000 RSI: 00007fffa9319480 RDI: 0000000000000005
[  517.072101][ T9101] RBP: 00007fffa93193e0 R08: 0000000000000000 R09: 0000000000000000
[  517.072102][ T9101] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91272e
[  517.072104][ T9101] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa9319b50
| [  518.627041][ T9170] softirqs last disabled at (0): 0x0
| [  518.627043][ T9170] Preemption disabled at:
| [  518.627044][ T9170] vprintk_emit (kernel/printk/printk.c:2471)
| [  518.627055][ T9170] Tainted: [W]=WARN
[  518.627056][ T9170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  518.627058][ T9170] Call Trace:
[  518.627059][ T9170]  <TASK>
[  518.627061][ T9170]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  518.627067][ T9170]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  518.627068][ T9170]  __might_resched.cold (kernel/sched/core.c:9234)
[  518.627072][ T9170]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  518.627076][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627078][ T9170]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  518.627081][ T9170]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  518.627084][ T9170]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  518.627090][ T9170]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  518.627091][ T9170]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  518.627094][ T9170]  put_chars (drivers/char/virtio_console.c:1176)
[  518.627096][ T9170]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  518.627097][ T9170]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  518.627100][ T9170]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  518.627102][ T9170]  ? pointer (lib/vsprintf.c:2577)
[  518.627106][ T9170]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  518.627111][ T9170]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  518.627113][ T9170]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  518.627115][ T9170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.627117][ T9170]  console_emit_next_record (kernel/printk/printk.c:3183)
[  518.627120][ T9170]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  518.627122][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627124][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627125][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627126][ T9170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.627128][ T9170]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  518.627130][ T9170]  console_flush_one_record (kernel/printk/printk.c:3268)
[  518.627132][ T9170]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  518.627135][ T9170]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  518.627137][ T9170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.627139][ T9170]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  518.627141][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627142][ T9170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  518.627144][ T9170]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  518.627145][ T9170]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  518.627147][ T9170]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  518.627149][ T9170]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  518.627151][ T9170]  vprintk_emit (kernel/printk/printk.c:2479)
[  518.627152][ T9170]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  518.627154][ T9170]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  518.627156][ T9170]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  518.627159][ T9170]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  518.627162][ T9170]  _printk (kernel/printk/printk.c:2504)
[  518.627165][ T9170]  ? snapshot_read.cold (user.c:?)
[  518.627167][ T9170]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  518.627169][ T9170]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  518.627172][ T9170]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  518.627174][ T9170]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  518.627178][ T9170]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  518.627180][ T9170]  ? netdev_notice (net/core/dev.c:13194)
[  518.627182][ T9170]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  518.627184][ T9170]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  518.627187][ T9170]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  518.627188][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627189][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627191][ T9170]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  518.627192][ T9170]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  518.627194][ T9170]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  518.627199][ T9170]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  518.627200][ T9170]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  518.627202][ T9170]  ? register_netdev (net/core/dev.c:11618)
[  518.627203][ T9170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  518.627206][ T9170]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  518.627208][ T9170]  ? __kernel_text_address (kernel/extable.c:79)
[  518.627211][ T9170]  ? write_profile (profile.c:?)
[  518.627214][ T9170]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  518.627217][ T9170]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  518.627219][ T9170]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  518.627221][ T9170]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  518.627222][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627223][ T9170]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  518.627227][ T9170]  ? kasan_save_stack (mm/kasan/common.c:58)
[  518.627229][ T9170]  ? kasan_save_stack (mm/kasan/common.c:57)
[  518.627230][ T9170]  ? kasan_save_track (mm/kasan/common.c:78)
[  518.627231][ T9170]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  518.627232][ T9170]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  518.627234][ T9170]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  518.627235][ T9170]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  518.627236][ T9170]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  518.627239][ T9170]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  518.627241][ T9170]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  518.627242][ T9170]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  518.627245][ T9170]  ? ____sys_sendmsg (net/socket.c:2713)
[  518.627246][ T9170]  ? ___sys_sendmsg (net/socket.c:2767)
[  518.627248][ T9170]  ? __sys_sendmsg (net/socket.c:2799)
[  518.627250][ T9170]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  518.627252][ T9170]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  518.627255][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627256][ T9170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.627258][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627259][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627260][ T9170]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  518.627261][ T9170]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  518.627263][ T9170]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  518.627264][ T9170]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  518.627266][ T9170]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  518.627267][ T9170]  ? nla_get_range_signed (lib/nlattr.c:270)
[  518.627270][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627272][ T9170]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  518.627274][ T9170]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  518.627276][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627277][ T9170]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  518.627279][ T9170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.627280][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627282][ T9170]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  518.627284][ T9170]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  518.627285][ T9170]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  518.627287][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627288][ T9170]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  518.627292][ T9170]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  518.627294][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627295][ T9170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.627297][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627298][ T9170]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  518.627300][ T9170]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  518.627301][ T9170]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  518.627303][ T9170]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  518.627305][ T9170]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  518.627307][ T9170]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  518.627309][ T9170]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  518.627310][ T9170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  518.627312][ T9170]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  518.627314][ T9170]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  518.627317][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627318][ T9170]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  518.627321][ T9170]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  518.627323][ T9170]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  518.627325][ T9170]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  518.627327][ T9170]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  518.627329][ T9170]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  518.627331][ T9170]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  518.627333][ T9170]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.627334][ T9170]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  518.627338][ T9170]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  518.627340][ T9170]  ____sys_sendmsg (net/socket.c:2713)
[  518.627341][ T9170]  ? copy_msghdr_from_user (net/socket.c:2650)
[  518.627343][ T9170]  ? sock_write_iter (net/socket.c:1269)
[  518.627345][ T9170]  ? move_addr_to_kernel (net/socket.c:258)
[  518.627346][ T9170]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  518.627349][ T9170]  ___sys_sendmsg (net/socket.c:2767)
[  518.627351][ T9170]  ? copy_msghdr_from_user (net/socket.c:2619)
[  518.627357][ T9170]  __sys_sendmsg (net/socket.c:2799)
[  518.627359][ T9170]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  518.627362][ T9170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.627363][ T9170]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  518.627365][ T9170]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  518.627367][ T9170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  518.627369][ T9170] RIP: 0033:0x7f763fafe54e
[  518.627371][ T9170] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  518.627373][ T9170] RSP: 002b:00007fff3d56f7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  518.627377][ T9170] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f763fafe54e
[  518.627378][ T9170] RDX: 0000000000000000 RSI: 00007fff3d56f8a0 RDI: 0000000000000005
[  518.627379][ T9170] RBP: 00007fff3d56f800 R08: 0000000000000000 R09: 0000000000000000
[  518.627380][ T9170] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912730
[  518.627381][ T9170] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3d56ff60
| [  520.082735][ T9221] softirqs last disabled at (0): 0x0
| [  520.082738][ T9221] Preemption disabled at:
| [  520.082739][ T9221] vprintk_emit (kernel/printk/printk.c:2471)
| [  520.082753][ T9221] Tainted: [W]=WARN
[  520.082755][ T9221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  520.082757][ T9221] Call Trace:
[  520.082759][ T9221]  <TASK>
[  520.082762][ T9221]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  520.082769][ T9221]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  520.082771][ T9221]  __might_resched.cold (kernel/sched/core.c:9234)
[  520.082776][ T9221]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  520.082779][ T9221]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  520.082783][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.082787][ T9221]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  520.082791][ T9221]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.082795][ T9221]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.082801][ T9221]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  520.082804][ T9221]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.082808][ T9221]  put_chars (drivers/char/virtio_console.c:1176)
[  520.082811][ T9221]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  520.082814][ T9221]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  520.082818][ T9221]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  520.082824][ T9221]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  520.082827][ T9221]  ? vsnprintf (lib/vsprintf.c:2900)
[  520.082831][ T9221]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.082834][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.082836][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.082839][ T9221]  console_emit_next_record (kernel/printk/printk.c:3183)
[  520.082843][ T9221]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  520.082847][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.082849][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.082851][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.082853][ T9221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.082857][ T9221]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  520.082860][ T9221]  console_flush_one_record (kernel/printk/printk.c:3268)
[  520.082864][ T9221]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  520.082868][ T9221]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  520.082871][ T9221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.082874][ T9221]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  520.082877][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.082879][ T9221]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.082881][ T9221]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  520.082884][ T9221]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  520.082887][ T9221]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  520.082890][ T9221]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  520.082893][ T9221]  vprintk_emit (kernel/printk/printk.c:2479)
[  520.082896][ T9221]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  520.082898][ T9221]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.082901][ T9221]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  520.082905][ T9221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.082907][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.082910][ T9221]  _printk (kernel/printk/printk.c:2504)
[  520.082914][ T9221]  ? snapshot_read.cold (user.c:?)
[  520.082918][ T9221]  ? br_multicast_flood (??:?)
[  520.082922][ T9221]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  520.082926][ T9221]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  520.082928][ T9221]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  520.082931][ T9221]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  520.082936][ T9221]  br_init_port (net/bridge/br_stp_if.c:39)
[  520.082939][ T9221]  new_nbp (net/bridge/br_if.c:449)
[  520.082942][ T9221]  br_add_if (net/bridge/br_if.c:592)
[  520.082945][ T9221]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  520.082951][ T9221]  do_set_master (net/core/rtnetlink.c:3071)
[  520.082955][ T9221]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  520.082958][ T9221]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  520.082960][ T9221]  ? __dev_get_by_name (net/core/dev.c:905)
[  520.082963][ T9221]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  520.082969][ T9221]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  520.082973][ T9221]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  520.082977][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.082979][ T9221]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.082981][ T9221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.082984][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.082986][ T9221]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  520.082990][ T9221]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  520.082993][ T9221]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  520.082997][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.082999][ T9221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.083001][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.083004][ T9221]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.083006][ T9221]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  520.083009][ T9221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.083012][ T9221]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  520.083014][ T9221]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  520.083020][ T9221]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  520.083024][ T9221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.083026][ T9221]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.083029][ T9221]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  520.083032][ T9221]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  520.083036][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.083039][ T9221]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.083042][ T9221]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  520.083046][ T9221]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  520.083049][ T9221]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  520.083053][ T9221]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  520.083058][ T9221]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  520.083061][ T9221]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  520.083065][ T9221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.083067][ T9221]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  520.083072][ T9221]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  520.083076][ T9221]  ____sys_sendmsg (net/socket.c:2713)
[  520.083079][ T9221]  ? copy_msghdr_from_user (net/socket.c:2650)
[  520.083082][ T9221]  ? sock_write_iter (net/socket.c:1269)
[  520.083084][ T9221]  ? move_addr_to_kernel (net/socket.c:258)
[  520.083088][ T9221]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  520.083092][ T9221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.083095][ T9221]  ___sys_sendmsg (net/socket.c:2767)
[  520.083098][ T9221]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  520.083101][ T9221]  ? copy_msghdr_from_user (net/socket.c:2619)
[  520.083104][ T9221]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  520.083112][ T9221]  __sys_sendmsg (net/socket.c:2799)
[  520.083115][ T9221]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  520.083119][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.083121][ T9221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.083124][ T9221]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  520.083128][ T9221]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  520.083131][ T9221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  520.083134][ T9221] RIP: 0033:0x7fb600c4e54e
[  520.083137][ T9221] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  520.083141][ T9221] RSP: 002b:00007fff1ac5c470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  520.083145][ T9221] RAX: ffffffffffffffda RBX: 00007fff1ac5cc38 RCX: 00007fb600c4e54e
[  520.083148][ T9221] RDX: 0000000000000000 RSI: 00007fff1ac5c520 RDI: 0000000000000005
[  520.083149][ T9221] RBP: 00007fff1ac5c480 R08: 0000000000000000 R09: 0000000000000000
[  520.083151][ T9221] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912731
[  520.083153][ T9221] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1ac5cbf0
| [  528.478538][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  528.478540][   T71] Preemption disabled at:
| [  528.478541][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  528.478552][   T71] Tainted: [W]=WARN
[  528.478553][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  528.478555][   T71] Workqueue: netns cleanup_net
[  528.478561][   T71] Call Trace:
[  528.478563][   T71]  <TASK>
[  528.478565][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  528.478570][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  528.478572][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  528.478575][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  528.478577][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  528.478581][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.478584][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  528.478586][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  528.478589][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.478594][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  528.478596][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.478599][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  528.478601][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  528.478603][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  528.478605][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  528.478610][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  528.478612][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  528.478615][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  528.478616][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.478618][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.478619][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  528.478622][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  528.478625][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.478627][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.478628][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.478629][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.478632][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  528.478634][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  528.478636][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  528.478639][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  528.478641][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.478643][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  528.478645][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.478646][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  528.478648][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  528.478649][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  528.478651][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  528.478653][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  528.478655][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  528.478656][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  528.478658][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  528.478659][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  528.478662][   T71]  ? kthread (kernel/kthread.c:436)
[  528.478664][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  528.478667][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  528.478670][   T71]  _printk (kernel/printk/printk.c:2504)
[  528.478673][   T71]  ? snapshot_read.cold (user.c:?)
[  528.478675][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  528.478679][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  528.478681][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  528.478683][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  528.478686][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.478687][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  528.478688][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  528.478691][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  528.478693][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  528.478695][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  528.478697][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  528.478700][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  528.478703][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  528.478706][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  528.478708][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  528.478711][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  528.478713][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  528.478716][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  528.478718][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  528.478720][   T71]  ? update_load_avg (kernel/sched/fair.c:5864)
[  528.478723][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.478725][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.478726][   T71]  process_one_work (kernel/workqueue.c:3387)
[  528.478729][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  528.478732][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  528.478735][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  528.478737][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  528.478739][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  528.478741][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  528.478743][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  528.478745][   T71]  kthread (kernel/kthread.c:436)
[  528.478747][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  528.478748][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  528.478750][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  528.478752][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  528.478754][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  528.478757][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  528.478760][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  529.478781][ T9396] softirqs last disabled at (0): 0x0
| [  529.478784][ T9396] Preemption disabled at:
| [  529.478784][ T9396] vprintk_emit (kernel/printk/printk.c:2471)
| [  529.478795][ T9396] Tainted: [W]=WARN
[  529.478796][ T9396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  529.478798][ T9396] Call Trace:
[  529.478799][ T9396]  <TASK>
[  529.478801][ T9396]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  529.478806][ T9396]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  529.478808][ T9396]  __might_resched.cold (kernel/sched/core.c:9234)
[  529.478812][ T9396]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  529.478815][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.478818][ T9396]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  529.478821][ T9396]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  529.478824][ T9396]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.478829][ T9396]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  529.478831][ T9396]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  529.478834][ T9396]  put_chars (drivers/char/virtio_console.c:1176)
[  529.478836][ T9396]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  529.478838][ T9396]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  529.478840][ T9396]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  529.478842][ T9396]  ? pointer (lib/vsprintf.c:2577)
[  529.478846][ T9396]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  529.478851][ T9396]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  529.478853][ T9396]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  529.478855][ T9396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.478857][ T9396]  console_emit_next_record (kernel/printk/printk.c:3183)
[  529.478860][ T9396]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  529.478863][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.478864][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.478865][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.478866][ T9396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.478868][ T9396]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  529.478871][ T9396]  console_flush_one_record (kernel/printk/printk.c:3268)
[  529.478873][ T9396]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  529.478876][ T9396]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  529.478878][ T9396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.478880][ T9396]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  529.478882][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.478883][ T9396]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  529.478885][ T9396]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  529.478886][ T9396]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  529.478888][ T9396]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  529.478890][ T9396]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  529.478892][ T9396]  vprintk_emit (kernel/printk/printk.c:2479)
[  529.478894][ T9396]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  529.478895][ T9396]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  529.478898][ T9396]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  529.478901][ T9396]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  529.478903][ T9396]  _printk (kernel/printk/printk.c:2504)
[  529.478906][ T9396]  ? snapshot_read.cold (user.c:?)
[  529.478908][ T9396]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  529.478911][ T9396]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  529.478914][ T9396]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  529.478916][ T9396]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.478920][ T9396]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  529.478922][ T9396]  ? netdev_notice (net/core/dev.c:13194)
[  529.478924][ T9396]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  529.478926][ T9396]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  529.478929][ T9396]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  529.478930][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.478932][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.478933][ T9396]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  529.478934][ T9396]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  529.478936][ T9396]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  529.478937][ T9396]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.478939][ T9396]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  529.478941][ T9396]  ? register_netdev (net/core/dev.c:11618)
[  529.478942][ T9396]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  529.478944][ T9396]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  529.478947][ T9396]  ? __kernel_text_address (kernel/extable.c:79)
[  529.478950][ T9396]  ? write_profile (profile.c:?)
[  529.478952][ T9396]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  529.478956][ T9396]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  529.478958][ T9396]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  529.478960][ T9396]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  529.478961][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.478962][ T9396]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  529.478966][ T9396]  ? kasan_save_stack (mm/kasan/common.c:58)
[  529.478968][ T9396]  ? kasan_save_stack (mm/kasan/common.c:57)
[  529.478969][ T9396]  ? kasan_save_track (mm/kasan/common.c:78)
[  529.478970][ T9396]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  529.478971][ T9396]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  529.478973][ T9396]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  529.478974][ T9396]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  529.478975][ T9396]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  529.478978][ T9396]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  529.478980][ T9396]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  529.478981][ T9396]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  529.478984][ T9396]  ? ____sys_sendmsg (net/socket.c:2713)
[  529.478986][ T9396]  ? ___sys_sendmsg (net/socket.c:2767)
[  529.478987][ T9396]  ? __sys_sendmsg (net/socket.c:2799)
[  529.478989][ T9396]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  529.478992][ T9396]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  529.478995][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.478996][ T9396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.478998][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.478999][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.479000][ T9396]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  529.479001][ T9396]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  529.479003][ T9396]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  529.479004][ T9396]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  529.479006][ T9396]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  529.479007][ T9396]  ? nla_get_range_signed (lib/nlattr.c:270)
[  529.479011][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.479012][ T9396]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  529.479014][ T9396]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  529.479017][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.479018][ T9396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  529.479019][ T9396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.479021][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.479023][ T9396]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  529.479025][ T9396]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  529.479027][ T9396]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  529.479028][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.479029][ T9396]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  529.479033][ T9396]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  529.479035][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.479036][ T9396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.479038][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.479039][ T9396]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  529.479041][ T9396]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  529.479042][ T9396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  529.479044][ T9396]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  529.479046][ T9396]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  529.479048][ T9396]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  529.479050][ T9396]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  529.479052][ T9396]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  529.479054][ T9396]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  529.479055][ T9396]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  529.479059][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.479060][ T9396]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  529.479062][ T9396]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  529.479064][ T9396]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  529.479066][ T9396]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  529.479068][ T9396]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  529.479071][ T9396]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  529.479073][ T9396]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  529.479074][ T9396]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  529.479076][ T9396]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  529.479079][ T9396]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  529.479081][ T9396]  ____sys_sendmsg (net/socket.c:2713)
[  529.479083][ T9396]  ? copy_msghdr_from_user (net/socket.c:2650)
[  529.479085][ T9396]  ? sock_write_iter (net/socket.c:1269)
[  529.479087][ T9396]  ? move_addr_to_kernel (net/socket.c:258)
[  529.479088][ T9396]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  529.479091][ T9396]  ___sys_sendmsg (net/socket.c:2767)
[  529.479093][ T9396]  ? copy_msghdr_from_user (net/socket.c:2619)
[  529.479098][ T9396]  __sys_sendmsg (net/socket.c:2799)
[  529.479100][ T9396]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  529.479103][ T9396]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  529.479105][ T9396]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  529.479107][ T9396]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  529.479109][ T9396]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  529.479111][ T9396] RIP: 0033:0x7f4d6348954e
[  529.479113][ T9396] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  529.479115][ T9396] RSP: 002b:00007ffdd4e74110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  529.479118][ T9396] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4d6348954e
[  529.479120][ T9396] RDX: 0000000000000000 RSI: 00007ffdd4e741c0 RDI: 0000000000000005
[  529.479121][ T9396] RBP: 00007ffdd4e74120 R08: 0000000000000000 R09: 0000000000000000
[  529.479122][ T9396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91273a
[  529.479123][ T9396] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd4e74880
| [  530.982180][ T9470] softirqs last disabled at (0): 0x0
| [  530.982182][ T9470] Preemption disabled at:
| [  530.982183][ T9470] vprintk_emit (kernel/printk/printk.c:2471)
| [  530.982200][ T9470] Tainted: [W]=WARN
[  530.982202][ T9470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  530.982204][ T9470] Call Trace:
[  530.982206][ T9470]  <TASK>
[  530.982208][ T9470]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  530.982216][ T9470]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  530.982218][ T9470]  __might_resched.cold (kernel/sched/core.c:9234)
[  530.982223][ T9470]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  530.982226][ T9470]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  530.982231][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982234][ T9470]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  530.982238][ T9470]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  530.982242][ T9470]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  530.982249][ T9470]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  530.982252][ T9470]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  530.982256][ T9470]  put_chars (drivers/char/virtio_console.c:1176)
[  530.982259][ T9470]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  530.982262][ T9470]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  530.982266][ T9470]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  530.982273][ T9470]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  530.982275][ T9470]  ? vsnprintf (lib/vsprintf.c:2900)
[  530.982280][ T9470]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  530.982282][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982284][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982287][ T9470]  console_emit_next_record (kernel/printk/printk.c:3183)
[  530.982292][ T9470]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  530.982295][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982297][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982299][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982301][ T9470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.982305][ T9470]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  530.982308][ T9470]  console_flush_one_record (kernel/printk/printk.c:3268)
[  530.982311][ T9470]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  530.982316][ T9470]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  530.982318][ T9470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.982321][ T9470]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  530.982324][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982326][ T9470]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  530.982328][ T9470]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  530.982331][ T9470]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  530.982334][ T9470]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  530.982337][ T9470]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  530.982340][ T9470]  vprintk_emit (kernel/printk/printk.c:2479)
[  530.982343][ T9470]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  530.982345][ T9470]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  530.982348][ T9470]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  530.982352][ T9470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.982354][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982357][ T9470]  _printk (kernel/printk/printk.c:2504)
[  530.982361][ T9470]  ? snapshot_read.cold (user.c:?)
[  530.982365][ T9470]  ? br_multicast_flood (??:?)
[  530.982369][ T9470]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  530.982373][ T9470]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  530.982375][ T9470]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  530.982378][ T9470]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  530.982383][ T9470]  br_init_port (net/bridge/br_stp_if.c:39)
[  530.982385][ T9470]  new_nbp (net/bridge/br_if.c:449)
[  530.982389][ T9470]  br_add_if (net/bridge/br_if.c:592)
[  530.982392][ T9470]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  530.982398][ T9470]  do_set_master (net/core/rtnetlink.c:3071)
[  530.982401][ T9470]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  530.982404][ T9470]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  530.982407][ T9470]  ? __dev_get_by_name (net/core/dev.c:905)
[  530.982409][ T9470]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  530.982415][ T9470]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  530.982420][ T9470]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  530.982424][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982426][ T9470]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  530.982428][ T9470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.982431][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982433][ T9470]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  530.982437][ T9470]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  530.982440][ T9470]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  530.982443][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982445][ T9470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.982448][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982450][ T9470]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  530.982453][ T9470]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  530.982456][ T9470]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  530.982458][ T9470]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  530.982461][ T9470]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  530.982467][ T9470]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  530.982471][ T9470]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  530.982473][ T9470]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  530.982476][ T9470]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  530.982478][ T9470]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  530.982488][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982490][ T9470]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  530.982494][ T9470]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  530.982497][ T9470]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  530.982501][ T9470]  ? next_uptodate_folio (mm/filemap.c:3747)
[  530.982505][ T9470]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  530.982509][ T9470]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  530.982512][ T9470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.982515][ T9470]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  530.982520][ T9470]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  530.982524][ T9470]  ____sys_sendmsg (net/socket.c:2713)
[  530.982527][ T9470]  ? copy_msghdr_from_user (net/socket.c:2650)
[  530.982530][ T9470]  ? sock_write_iter (net/socket.c:1269)
[  530.982532][ T9470]  ? move_addr_to_kernel (net/socket.c:258)
[  530.982536][ T9470]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  530.982539][ T9470]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.982543][ T9470]  ___sys_sendmsg (net/socket.c:2767)
[  530.982545][ T9470]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  530.982548][ T9470]  ? copy_msghdr_from_user (net/socket.c:2619)
[  530.982551][ T9470]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  530.982558][ T9470]  __sys_sendmsg (net/socket.c:2799)
[  530.982562][ T9470]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  530.982566][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982568][ T9470]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.982571][ T9470]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  530.982575][ T9470]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  530.982578][ T9470]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  530.982582][ T9470] RIP: 0033:0x7f5a9fd1554e
[  530.982586][ T9470] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  530.982589][ T9470] RSP: 002b:00007ffea2a18a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  530.982593][ T9470] RAX: ffffffffffffffda RBX: 00007ffea2a191d8 RCX: 00007f5a9fd1554e
[  530.982596][ T9470] RDX: 0000000000000000 RSI: 00007ffea2a18ac0 RDI: 0000000000000005
[  530.982597][ T9470] RBP: 00007ffea2a18a20 R08: 0000000000000000 R09: 0000000000000000
[  530.982599][ T9470] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91273c
[  530.982601][ T9470] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea2a19190
| [  532.449601][ T9529] softirqs last disabled at (0): 0x0
| [  532.449603][ T9529] Preemption disabled at:
| [  532.449603][ T9529] vprintk_emit (kernel/printk/printk.c:2471)
| [  532.449614][ T9529] Tainted: [W]=WARN
[  532.449615][ T9529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  532.449617][ T9529] Call Trace:
[  532.449619][ T9529]  <TASK>
[  532.449620][ T9529]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  532.449626][ T9529]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  532.449628][ T9529]  __might_resched.cold (kernel/sched/core.c:9234)
[  532.449631][ T9529]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  532.449634][ T9529]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  532.449637][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449640][ T9529]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  532.449643][ T9529]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.449646][ T9529]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  532.449652][ T9529]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  532.449653][ T9529]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  532.449656][ T9529]  put_chars (drivers/char/virtio_console.c:1176)
[  532.449658][ T9529]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  532.449660][ T9529]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  532.449662][ T9529]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  532.449667][ T9529]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  532.449669][ T9529]  ? vsnprintf (lib/vsprintf.c:2900)
[  532.449672][ T9529]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.449674][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449675][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449677][ T9529]  console_emit_next_record (kernel/printk/printk.c:3183)
[  532.449680][ T9529]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  532.449682][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449683][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449684][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449685][ T9529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.449688][ T9529]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  532.449690][ T9529]  console_flush_one_record (kernel/printk/printk.c:3268)
[  532.449692][ T9529]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  532.449695][ T9529]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  532.449697][ T9529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.449699][ T9529]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  532.449701][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449702][ T9529]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.449703][ T9529]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  532.449705][ T9529]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  532.449706][ T9529]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  532.449708][ T9529]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  532.449710][ T9529]  vprintk_emit (kernel/printk/printk.c:2479)
[  532.449712][ T9529]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  532.449713][ T9529]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.449715][ T9529]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  532.449718][ T9529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.449719][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449721][ T9529]  _printk (kernel/printk/printk.c:2504)
[  532.449724][ T9529]  ? snapshot_read.cold (user.c:?)
[  532.449726][ T9529]  ? br_multicast_flood (??:?)
[  532.449729][ T9529]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  532.449732][ T9529]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  532.449733][ T9529]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  532.449735][ T9529]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  532.449738][ T9529]  br_init_port (net/bridge/br_stp_if.c:39)
[  532.449740][ T9529]  new_nbp (net/bridge/br_if.c:449)
[  532.449742][ T9529]  br_add_if (net/bridge/br_if.c:592)
[  532.449744][ T9529]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  532.449749][ T9529]  do_set_master (net/core/rtnetlink.c:3071)
[  532.449751][ T9529]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  532.449753][ T9529]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  532.449754][ T9529]  ? __dev_get_by_name (net/core/dev.c:905)
[  532.449756][ T9529]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  532.449760][ T9529]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  532.449762][ T9529]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  532.449764][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449766][ T9529]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  532.449767][ T9529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.449769][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449770][ T9529]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  532.449773][ T9529]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  532.449775][ T9529]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  532.449777][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449778][ T9529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.449780][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449781][ T9529]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  532.449783][ T9529]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  532.449784][ T9529]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  532.449786][ T9529]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  532.449787][ T9529]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  532.449791][ T9529]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  532.449794][ T9529]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  532.449796][ T9529]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.449798][ T9529]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  532.449799][ T9529]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  532.449802][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449804][ T9529]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.449806][ T9529]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  532.449808][ T9529]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  532.449810][ T9529]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  532.449813][ T9529]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  532.449816][ T9529]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  532.449818][ T9529]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  532.449820][ T9529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.449822][ T9529]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  532.449825][ T9529]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  532.449828][ T9529]  ____sys_sendmsg (net/socket.c:2713)
[  532.449830][ T9529]  ? copy_msghdr_from_user (net/socket.c:2650)
[  532.449832][ T9529]  ? sock_write_iter (net/socket.c:1269)
[  532.449833][ T9529]  ? move_addr_to_kernel (net/socket.c:258)
[  532.449836][ T9529]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  532.449838][ T9529]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.449841][ T9529]  ___sys_sendmsg (net/socket.c:2767)
[  532.449842][ T9529]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  532.449844][ T9529]  ? copy_msghdr_from_user (net/socket.c:2619)
[  532.449846][ T9529]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  532.449851][ T9529]  __sys_sendmsg (net/socket.c:2799)
[  532.449853][ T9529]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  532.449855][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449857][ T9529]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.449858][ T9529]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  532.449861][ T9529]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  532.449863][ T9529]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  532.449865][ T9529] RIP: 0033:0x7f225a4be54e
[  532.449867][ T9529] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  532.449869][ T9529] RSP: 002b:00007fffdaa42a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  532.449872][ T9529] RAX: ffffffffffffffda RBX: 00007fffdaa431c8 RCX: 00007f225a4be54e
[  532.449874][ T9529] RDX: 0000000000000000 RSI: 00007fffdaa42ab0 RDI: 0000000000000005
[  532.449875][ T9529] RBP: 00007fffdaa42a10 R08: 0000000000000000 R09: 0000000000000000
[  532.449876][ T9529] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91273d
[  532.449877][ T9529] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdaa43180
| [  541.385067][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  541.385071][   T71] Preemption disabled at:
| [  541.385072][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  541.385085][   T71] Tainted: [W]=WARN
[  541.385086][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  541.385088][   T71] Workqueue: netns cleanup_net
[  541.385094][   T71] Call Trace:
[  541.385095][   T71]  <TASK>
[  541.385097][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  541.385103][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  541.385104][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  541.385108][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  541.385110][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  541.385114][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.385116][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  541.385120][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  541.385124][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  541.385130][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  541.385132][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  541.385135][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  541.385136][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  541.385138][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  541.385141][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  541.385146][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  541.385148][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  541.385150][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  541.385152][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.385153][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.385155][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  541.385158][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  541.385160][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.385161][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.385162][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.385164][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.385166][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  541.385168][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  541.385170][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  541.385173][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  541.385175][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.385177][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  541.385179][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.385180][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  541.385182][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  541.385183][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  541.385185][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  541.385187][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  541.385189][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  541.385192][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  541.385197][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  541.385199][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  541.385202][   T71]  ? kthread (kernel/kthread.c:436)
[  541.385204][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  541.385208][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  541.385211][   T71]  _printk (kernel/printk/printk.c:2504)
[  541.385214][   T71]  ? snapshot_read.cold (user.c:?)
[  541.385217][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  541.385220][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  541.385223][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  541.385226][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  541.385228][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.385230][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  541.385231][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  541.385235][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  541.385236][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  541.385238][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  541.385241][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  541.385244][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  541.385249][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  541.385253][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  541.385257][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  541.385259][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  541.385262][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  541.385265][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  541.385267][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  541.385269][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  541.385271][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  541.385272][   T71]  process_one_work (kernel/workqueue.c:3387)
[  541.385276][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  541.385279][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  541.385281][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  541.385284][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  541.385285][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  541.385288][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  541.385290][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  541.385291][   T71]  kthread (kernel/kthread.c:436)
[  541.385293][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  541.385295][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  541.385298][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  541.385301][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  541.385305][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  541.385309][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  541.385312][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  542.790085][ T9777] softirqs last disabled at (0): 0x0
| [  542.790087][ T9777] Preemption disabled at:
| [  542.790088][ T9777] vprintk_emit (kernel/printk/printk.c:2471)
| [  542.790099][ T9777] Tainted: [W]=WARN
[  542.790100][ T9777] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  542.790102][ T9777] Call Trace:
[  542.790103][ T9777]  <TASK>
[  542.790105][ T9777]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  542.790112][ T9777]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  542.790115][ T9777]  __might_resched.cold (kernel/sched/core.c:9234)
[  542.790119][ T9777]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  542.790122][ T9777]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  542.790125][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790128][ T9777]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  542.790131][ T9777]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.790134][ T9777]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.790139][ T9777]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  542.790141][ T9777]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  542.790144][ T9777]  put_chars (drivers/char/virtio_console.c:1176)
[  542.790146][ T9777]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  542.790148][ T9777]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  542.790150][ T9777]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  542.790156][ T9777]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  542.790158][ T9777]  ? vsnprintf (lib/vsprintf.c:2900)
[  542.790163][ T9777]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.790165][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790167][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790169][ T9777]  console_emit_next_record (kernel/printk/printk.c:3183)
[  542.790171][ T9777]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  542.790174][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790175][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790176][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790177][ T9777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.790180][ T9777]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  542.790182][ T9777]  console_flush_one_record (kernel/printk/printk.c:3268)
[  542.790184][ T9777]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  542.790187][ T9777]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  542.790189][ T9777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.790191][ T9777]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  542.790193][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790197][ T9777]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.790199][ T9777]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  542.790201][ T9777]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  542.790203][ T9777]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  542.790205][ T9777]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  542.790207][ T9777]  vprintk_emit (kernel/printk/printk.c:2479)
[  542.790211][ T9777]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  542.790213][ T9777]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  542.790215][ T9777]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  542.790219][ T9777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.790220][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790222][ T9777]  _printk (kernel/printk/printk.c:2504)
[  542.790225][ T9777]  ? snapshot_read.cold (user.c:?)
[  542.790227][ T9777]  ? br_multicast_flood (??:?)
[  542.790231][ T9777]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  542.790234][ T9777]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  542.790235][ T9777]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  542.790237][ T9777]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  542.790240][ T9777]  br_init_port (net/bridge/br_stp_if.c:39)
[  542.790242][ T9777]  new_nbp (net/bridge/br_if.c:449)
[  542.790244][ T9777]  br_add_if (net/bridge/br_if.c:592)
[  542.790246][ T9777]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  542.790250][ T9777]  do_set_master (net/core/rtnetlink.c:3071)
[  542.790252][ T9777]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  542.790254][ T9777]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  542.790256][ T9777]  ? __dev_get_by_name (net/core/dev.c:905)
[  542.790259][ T9777]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  542.790265][ T9777]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  542.790268][ T9777]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  542.790270][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790272][ T9777]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  542.790273][ T9777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.790275][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790276][ T9777]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  542.790279][ T9777]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  542.790281][ T9777]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  542.790283][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790284][ T9777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.790286][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790287][ T9777]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  542.790289][ T9777]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  542.790290][ T9777]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  542.790292][ T9777]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  542.790294][ T9777]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  542.790298][ T9777]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  542.790301][ T9777]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  542.790302][ T9777]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.790304][ T9777]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  542.790306][ T9777]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  542.790309][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790311][ T9777]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  542.790315][ T9777]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  542.790318][ T9777]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  542.790320][ T9777]  ? next_uptodate_folio (mm/filemap.c:3747)
[  542.790324][ T9777]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  542.790326][ T9777]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  542.790328][ T9777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.790330][ T9777]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  542.790333][ T9777]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  542.790337][ T9777]  ____sys_sendmsg (net/socket.c:2713)
[  542.790339][ T9777]  ? copy_msghdr_from_user (net/socket.c:2650)
[  542.790340][ T9777]  ? sock_write_iter (net/socket.c:1269)
[  542.790342][ T9777]  ? move_addr_to_kernel (net/socket.c:258)
[  542.790344][ T9777]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  542.790346][ T9777]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  542.790349][ T9777]  ___sys_sendmsg (net/socket.c:2767)
[  542.790351][ T9777]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  542.790352][ T9777]  ? copy_msghdr_from_user (net/socket.c:2619)
[  542.790354][ T9777]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  542.790360][ T9777]  __sys_sendmsg (net/socket.c:2799)
[  542.790364][ T9777]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  542.790367][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790369][ T9777]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  542.790370][ T9777]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  542.790373][ T9777]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  542.790375][ T9777]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  542.790378][ T9777] RIP: 0033:0x7fcc3210454e
[  542.790380][ T9777] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  542.790382][ T9777] RSP: 002b:00007ffc397013a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  542.790385][ T9777] RAX: ffffffffffffffda RBX: 00007ffc39701b68 RCX: 00007fcc3210454e
[  542.790387][ T9777] RDX: 0000000000000000 RSI: 00007ffc39701450 RDI: 0000000000000005
[  542.790388][ T9777] RBP: 00007ffc397013b0 R08: 0000000000000000 R09: 0000000000000000
[  542.790389][ T9777] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912748
[  542.790390][ T9777] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc39701b20
| [  544.470321][ T9846] softirqs last disabled at (0): 0x0
| [  544.470323][ T9846] Preemption disabled at:
| [  544.470324][ T9846] vprintk_emit (kernel/printk/printk.c:2471)
| [  544.470334][ T9846] Tainted: [W]=WARN
[  544.470335][ T9846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  544.470337][ T9846] Call Trace:
[  544.470339][ T9846]  <TASK>
[  544.470340][ T9846]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  544.470346][ T9846]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  544.470347][ T9846]  __might_resched.cold (kernel/sched/core.c:9234)
[  544.470351][ T9846]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  544.470354][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470357][ T9846]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  544.470360][ T9846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.470363][ T9846]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.470368][ T9846]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  544.470370][ T9846]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.470373][ T9846]  put_chars (drivers/char/virtio_console.c:1176)
[  544.470374][ T9846]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  544.470376][ T9846]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  544.470378][ T9846]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  544.470380][ T9846]  ? pointer (lib/vsprintf.c:2577)
[  544.470384][ T9846]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  544.470389][ T9846]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  544.470391][ T9846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.470393][ T9846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.470395][ T9846]  console_emit_next_record (kernel/printk/printk.c:3183)
[  544.470398][ T9846]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  544.470400][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470401][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470403][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470404][ T9846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.470406][ T9846]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  544.470408][ T9846]  console_flush_one_record (kernel/printk/printk.c:3268)
[  544.470410][ T9846]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  544.470413][ T9846]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  544.470415][ T9846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.470417][ T9846]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  544.470419][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470420][ T9846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.470421][ T9846]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  544.470423][ T9846]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  544.470425][ T9846]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  544.470427][ T9846]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  544.470428][ T9846]  vprintk_emit (kernel/printk/printk.c:2479)
[  544.470430][ T9846]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  544.470431][ T9846]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  544.470434][ T9846]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  544.470437][ T9846]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  544.470440][ T9846]  _printk (kernel/printk/printk.c:2504)
[  544.470443][ T9846]  ? snapshot_read.cold (user.c:?)
[  544.470445][ T9846]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  544.470447][ T9846]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  544.470450][ T9846]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  544.470452][ T9846]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  544.470456][ T9846]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  544.470458][ T9846]  ? netdev_notice (net/core/dev.c:13194)
[  544.470460][ T9846]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  544.470462][ T9846]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  544.470464][ T9846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.470466][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470467][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470468][ T9846]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  544.470470][ T9846]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  544.470471][ T9846]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  544.470473][ T9846]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  544.470474][ T9846]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  544.470476][ T9846]  ? register_netdev (net/core/dev.c:11618)
[  544.470477][ T9846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.470479][ T9846]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  544.470483][ T9846]  ? __kernel_text_address (kernel/extable.c:79)
[  544.470487][ T9846]  ? write_profile (profile.c:?)
[  544.470491][ T9846]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  544.470494][ T9846]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  544.470496][ T9846]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  544.470498][ T9846]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  544.470499][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470501][ T9846]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  544.470504][ T9846]  ? kasan_save_stack (mm/kasan/common.c:58)
[  544.470506][ T9846]  ? kasan_save_stack (mm/kasan/common.c:57)
[  544.470507][ T9846]  ? kasan_save_track (mm/kasan/common.c:78)
[  544.470508][ T9846]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  544.470510][ T9846]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  544.470511][ T9846]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  544.470512][ T9846]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  544.470513][ T9846]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  544.470516][ T9846]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  544.470518][ T9846]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  544.470520][ T9846]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  544.470522][ T9846]  ? ____sys_sendmsg (net/socket.c:2713)
[  544.470524][ T9846]  ? ___sys_sendmsg (net/socket.c:2767)
[  544.470525][ T9846]  ? __sys_sendmsg (net/socket.c:2799)
[  544.470527][ T9846]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  544.470530][ T9846]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  544.470532][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470534][ T9846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.470535][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470536][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470537][ T9846]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  544.470539][ T9846]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  544.470540][ T9846]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  544.470542][ T9846]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  544.470543][ T9846]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  544.470544][ T9846]  ? nla_get_range_signed (lib/nlattr.c:270)
[  544.470548][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470549][ T9846]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  544.470551][ T9846]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  544.470553][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470555][ T9846]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  544.470556][ T9846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.470557][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470559][ T9846]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  544.470561][ T9846]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  544.470563][ T9846]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  544.470564][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470565][ T9846]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  544.470569][ T9846]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  544.470571][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470572][ T9846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.470574][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470582][ T9846]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  544.470584][ T9846]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  544.470586][ T9846]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  544.470587][ T9846]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  544.470589][ T9846]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  544.470591][ T9846]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  544.470593][ T9846]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  544.470594][ T9846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.470596][ T9846]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  544.470598][ T9846]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  544.470601][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470602][ T9846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.470604][ T9846]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  544.470607][ T9846]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  544.470608][ T9846]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  544.470610][ T9846]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  544.470613][ T9846]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  544.470614][ T9846]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  544.470616][ T9846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.470618][ T9846]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  544.470621][ T9846]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  544.470623][ T9846]  ____sys_sendmsg (net/socket.c:2713)
[  544.470625][ T9846]  ? copy_msghdr_from_user (net/socket.c:2650)
[  544.470627][ T9846]  ? sock_write_iter (net/socket.c:1269)
[  544.470629][ T9846]  ? move_addr_to_kernel (net/socket.c:258)
[  544.470630][ T9846]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  544.470633][ T9846]  ___sys_sendmsg (net/socket.c:2767)
[  544.470635][ T9846]  ? copy_msghdr_from_user (net/socket.c:2619)
[  544.470640][ T9846]  __sys_sendmsg (net/socket.c:2799)
[  544.470642][ T9846]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  544.470645][ T9846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.470647][ T9846]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  544.470649][ T9846]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  544.470651][ T9846]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  544.470652][ T9846] RIP: 0033:0x7f80c08b754e
[  544.470654][ T9846] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  544.470656][ T9846] RSP: 002b:00007fff4adbf8f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  544.470660][ T9846] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f80c08b754e
[  544.470661][ T9846] RDX: 0000000000000000 RSI: 00007fff4adbf9a0 RDI: 0000000000000005
[  544.470662][ T9846] RBP: 00007fff4adbf900 R08: 0000000000000000 R09: 0000000000000000
[  544.470663][ T9846] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912749
[  544.470664][ T9846] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4adc0060
| [  545.836968][ T9896] softirqs last disabled at (0): 0x0
| [  545.836970][ T9896] Preemption disabled at:
| [  545.836971][ T9896] vprintk_emit (kernel/printk/printk.c:2471)
| [  545.836981][ T9896] Tainted: [W]=WARN
[  545.836983][ T9896] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  545.836984][ T9896] Call Trace:
[  545.836986][ T9896]  <TASK>
[  545.836987][ T9896]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  545.836993][ T9896]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  545.836995][ T9896]  __might_resched.cold (kernel/sched/core.c:9234)
[  545.836999][ T9896]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  545.837001][ T9896]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  545.837004][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837007][ T9896]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  545.837010][ T9896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  545.837013][ T9896]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.837019][ T9896]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  545.837021][ T9896]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.837024][ T9896]  put_chars (drivers/char/virtio_console.c:1176)
[  545.837026][ T9896]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  545.837028][ T9896]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  545.837030][ T9896]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  545.837035][ T9896]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  545.837037][ T9896]  ? vsnprintf (lib/vsprintf.c:2900)
[  545.837040][ T9896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  545.837042][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837043][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837045][ T9896]  console_emit_next_record (kernel/printk/printk.c:3183)
[  545.837048][ T9896]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  545.837051][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837052][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837053][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837054][ T9896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.837057][ T9896]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  545.837059][ T9896]  console_flush_one_record (kernel/printk/printk.c:3268)
[  545.837061][ T9896]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  545.837064][ T9896]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  545.837066][ T9896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.837068][ T9896]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  545.837070][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837071][ T9896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  545.837073][ T9896]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  545.837074][ T9896]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  545.837076][ T9896]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  545.837078][ T9896]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  545.837080][ T9896]  vprintk_emit (kernel/printk/printk.c:2479)
[  545.837082][ T9896]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  545.837083][ T9896]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  545.837085][ T9896]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  545.837088][ T9896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.837089][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837091][ T9896]  _printk (kernel/printk/printk.c:2504)
[  545.837094][ T9896]  ? snapshot_read.cold (user.c:?)
[  545.837097][ T9896]  ? br_multicast_flood (??:?)
[  545.837100][ T9896]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  545.837103][ T9896]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  545.837104][ T9896]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  545.837106][ T9896]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  545.837109][ T9896]  br_init_port (net/bridge/br_stp_if.c:39)
[  545.837111][ T9896]  new_nbp (net/bridge/br_if.c:449)
[  545.837114][ T9896]  br_add_if (net/bridge/br_if.c:592)
[  545.837116][ T9896]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  545.837120][ T9896]  do_set_master (net/core/rtnetlink.c:3071)
[  545.837122][ T9896]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  545.837124][ T9896]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  545.837126][ T9896]  ? __dev_get_by_name (net/core/dev.c:905)
[  545.837127][ T9896]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  545.837132][ T9896]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  545.837135][ T9896]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  545.837137][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837138][ T9896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.837139][ T9896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.837141][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837143][ T9896]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  545.837146][ T9896]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  545.837148][ T9896]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  545.837150][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837152][ T9896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.837153][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837155][ T9896]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.837156][ T9896]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  545.837158][ T9896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.837160][ T9896]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  545.837161][ T9896]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  545.837165][ T9896]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  545.837168][ T9896]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.837169][ T9896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  545.837171][ T9896]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  545.837173][ T9896]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  545.837176][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837178][ T9896]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  545.837180][ T9896]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  545.837182][ T9896]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  545.837184][ T9896]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  545.837187][ T9896]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  545.837190][ T9896]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  545.837192][ T9896]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  545.837198][ T9896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.837200][ T9896]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  545.837204][ T9896]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  545.837207][ T9896]  ____sys_sendmsg (net/socket.c:2713)
[  545.837209][ T9896]  ? copy_msghdr_from_user (net/socket.c:2650)
[  545.837211][ T9896]  ? sock_write_iter (net/socket.c:1269)
[  545.837212][ T9896]  ? move_addr_to_kernel (net/socket.c:258)
[  545.837215][ T9896]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  545.837218][ T9896]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.837220][ T9896]  ___sys_sendmsg (net/socket.c:2767)
[  545.837222][ T9896]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  545.837223][ T9896]  ? copy_msghdr_from_user (net/socket.c:2619)
[  545.837225][ T9896]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  545.837230][ T9896]  __sys_sendmsg (net/socket.c:2799)
[  545.837232][ T9896]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  545.837235][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837236][ T9896]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.837238][ T9896]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  545.837240][ T9896]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  545.837243][ T9896]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  545.837245][ T9896] RIP: 0033:0x7f159a57e54e
[  545.837247][ T9896] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  545.837249][ T9896] RSP: 002b:00007ffd670fe520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  545.837253][ T9896] RAX: ffffffffffffffda RBX: 00007ffd670fece8 RCX: 00007f159a57e54e
[  545.837254][ T9896] RDX: 0000000000000000 RSI: 00007ffd670fe5d0 RDI: 0000000000000005
[  545.837255][ T9896] RBP: 00007ffd670fe530 R08: 0000000000000000 R09: 0000000000000000
[  545.837256][ T9896] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91274b
[  545.837257][ T9896] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd670feca0
| [  552.910809][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  552.910812][   T71] Preemption disabled at:
| [  552.910814][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  552.910828][   T71] Tainted: [W]=WARN
[  552.910830][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  552.910833][   T71] Workqueue: netns cleanup_net
[  552.910840][   T71] Call Trace:
[  552.910842][   T71]  <TASK>
[  552.910845][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  552.910851][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  552.910854][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  552.910858][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  552.910861][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  552.910866][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.910871][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  552.910874][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  552.910879][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  552.910885][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  552.910887][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  552.910892][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  552.910894][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  552.910898][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  552.910902][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  552.910909][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  552.910911][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  552.910915][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  552.910917][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.910919][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.910923][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  552.910927][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  552.910930][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.910932][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.910934][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.910936][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.910940][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  552.910943][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  552.910947][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  552.910952][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  552.910954][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.910957][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  552.910960][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.910962][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  552.910965][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  552.910967][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  552.910970][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  552.910973][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  552.910975][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  552.910978][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  552.910981][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  552.910983][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  552.910987][   T71]  ? kthread (kernel/kthread.c:436)
[  552.910990][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  552.910994][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  552.910998][   T71]  _printk (kernel/printk/printk.c:2504)
[  552.911003][   T71]  ? snapshot_read.cold (user.c:?)
[  552.911006][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  552.911011][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  552.911014][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  552.911018][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  552.911021][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.911024][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  552.911026][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  552.911030][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  552.911033][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  552.911036][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  552.911039][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  552.911043][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  552.911048][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  552.911051][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  552.911055][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  552.911059][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  552.911062][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  552.911067][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  552.911070][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  552.911072][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.911075][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  552.911078][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  552.911081][   T71]  process_one_work (kernel/workqueue.c:3387)
[  552.911086][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  552.911090][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  552.911094][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  552.911098][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  552.911101][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  552.911104][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  552.911107][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  552.911110][   T71]  kthread (kernel/kthread.c:436)
[  552.911112][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  552.911115][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  552.911118][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  552.911121][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  552.911125][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  552.911129][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  552.911132][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  554.467172][T10059] softirqs last disabled at (0): 0x0
| [  554.467174][T10059] Preemption disabled at:
| [  554.467175][T10059] vprintk_emit (kernel/printk/printk.c:2471)
| [  554.467188][T10059] Tainted: [W]=WARN
[  554.467190][T10059] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  554.467192][T10059] Call Trace:
[  554.467196][T10059]  <TASK>
[  554.467198][T10059]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  554.467205][T10059]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  554.467207][T10059]  __might_resched.cold (kernel/sched/core.c:9234)
[  554.467211][T10059]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  554.467213][T10059]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  554.467217][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467220][T10059]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  554.467222][T10059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.467226][T10059]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.467232][T10059]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  554.467235][T10059]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  554.467239][T10059]  put_chars (drivers/char/virtio_console.c:1176)
[  554.467241][T10059]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  554.467243][T10059]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  554.467246][T10059]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  554.467251][T10059]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  554.467253][T10059]  ? vsnprintf (lib/vsprintf.c:2900)
[  554.467256][T10059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.467258][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467259][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467261][T10059]  console_emit_next_record (kernel/printk/printk.c:3183)
[  554.467264][T10059]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  554.467266][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467267][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467268][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467269][T10059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.467272][T10059]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  554.467274][T10059]  console_flush_one_record (kernel/printk/printk.c:3268)
[  554.467277][T10059]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  554.467282][T10059]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  554.467284][T10059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.467287][T10059]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  554.467289][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467290][T10059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.467292][T10059]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  554.467294][T10059]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  554.467295][T10059]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  554.467297][T10059]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  554.467299][T10059]  vprintk_emit (kernel/printk/printk.c:2479)
[  554.467301][T10059]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  554.467302][T10059]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  554.467304][T10059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  554.467307][T10059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.467309][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467310][T10059]  _printk (kernel/printk/printk.c:2504)
[  554.467313][T10059]  ? snapshot_read.cold (user.c:?)
[  554.467315][T10059]  ? br_multicast_flood (??:?)
[  554.467319][T10059]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  554.467323][T10059]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  554.467325][T10059]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  554.467328][T10059]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  554.467332][T10059]  br_init_port (net/bridge/br_stp_if.c:39)
[  554.467335][T10059]  new_nbp (net/bridge/br_if.c:449)
[  554.467338][T10059]  br_add_if (net/bridge/br_if.c:592)
[  554.467340][T10059]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  554.467344][T10059]  do_set_master (net/core/rtnetlink.c:3071)
[  554.467346][T10059]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  554.467348][T10059]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  554.467350][T10059]  ? __dev_get_by_name (net/core/dev.c:905)
[  554.467352][T10059]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  554.467356][T10059]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  554.467359][T10059]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  554.467361][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467362][T10059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.467363][T10059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.467365][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467367][T10059]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  554.467370][T10059]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  554.467373][T10059]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  554.467376][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467379][T10059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.467380][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467382][T10059]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  554.467383][T10059]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  554.467385][T10059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.467388][T10059]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  554.467390][T10059]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  554.467396][T10059]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  554.467399][T10059]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  554.467401][T10059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.467402][T10059]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  554.467404][T10059]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  554.467407][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467408][T10059]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  554.467411][T10059]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  554.467413][T10059]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  554.467415][T10059]  ? next_uptodate_folio (mm/filemap.c:3747)
[  554.467419][T10059]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  554.467423][T10059]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  554.467427][T10059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.467429][T10059]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  554.467433][T10059]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  554.467436][T10059]  ____sys_sendmsg (net/socket.c:2713)
[  554.467438][T10059]  ? copy_msghdr_from_user (net/socket.c:2650)
[  554.467440][T10059]  ? sock_write_iter (net/socket.c:1269)
[  554.467442][T10059]  ? move_addr_to_kernel (net/socket.c:258)
[  554.467444][T10059]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  554.467447][T10059]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  554.467449][T10059]  ___sys_sendmsg (net/socket.c:2767)
[  554.467450][T10059]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  554.467452][T10059]  ? copy_msghdr_from_user (net/socket.c:2619)
[  554.467454][T10059]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  554.467459][T10059]  __sys_sendmsg (net/socket.c:2799)
[  554.467462][T10059]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  554.467466][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467468][T10059]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  554.467471][T10059]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  554.467474][T10059]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  554.467476][T10059]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  554.467479][T10059] RIP: 0033:0x7ff1b7e3254e
[  554.467481][T10059] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  554.467483][T10059] RSP: 002b:00007fffc767dc20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  554.467487][T10059] RAX: ffffffffffffffda RBX: 00007fffc767e3e8 RCX: 00007ff1b7e3254e
[  554.467489][T10059] RDX: 0000000000000000 RSI: 00007fffc767dcd0 RDI: 0000000000000005
[  554.467490][T10059] RBP: 00007fffc767dc30 R08: 0000000000000000 R09: 0000000000000000
[  554.467491][T10059] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912753
[  554.467492][T10059] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc767e3a0
| [  556.067401][T10129] softirqs last disabled at (0): 0x0
| [  556.067403][T10129] Preemption disabled at:
| [  556.067404][T10129] vprintk_emit (kernel/printk/printk.c:2471)
| [  556.067414][T10129] Tainted: [W]=WARN
[  556.067415][T10129] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  556.067417][T10129] Call Trace:
[  556.067419][T10129]  <TASK>
[  556.067420][T10129]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  556.067426][T10129]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  556.067428][T10129]  __might_resched.cold (kernel/sched/core.c:9234)
[  556.067433][T10129]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  556.067437][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067440][T10129]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  556.067443][T10129]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  556.067446][T10129]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  556.067451][T10129]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  556.067453][T10129]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  556.067456][T10129]  put_chars (drivers/char/virtio_console.c:1176)
[  556.067458][T10129]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  556.067459][T10129]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  556.067462][T10129]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  556.067464][T10129]  ? pointer (lib/vsprintf.c:2577)
[  556.067467][T10129]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  556.067472][T10129]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  556.067474][T10129]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  556.067476][T10129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.067478][T10129]  console_emit_next_record (kernel/printk/printk.c:3183)
[  556.067481][T10129]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  556.067483][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067485][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067486][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067487][T10129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.067489][T10129]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  556.067491][T10129]  console_flush_one_record (kernel/printk/printk.c:3268)
[  556.067494][T10129]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  556.067497][T10129]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  556.067498][T10129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.067500][T10129]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  556.067502][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067503][T10129]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  556.067505][T10129]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  556.067506][T10129]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  556.067508][T10129]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  556.067510][T10129]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  556.067511][T10129]  vprintk_emit (kernel/printk/printk.c:2479)
[  556.067513][T10129]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  556.067515][T10129]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  556.067517][T10129]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  556.067520][T10129]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  556.067523][T10129]  _printk (kernel/printk/printk.c:2504)
[  556.067526][T10129]  ? snapshot_read.cold (user.c:?)
[  556.067528][T10129]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  556.067530][T10129]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  556.067533][T10129]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  556.067535][T10129]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  556.067539][T10129]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  556.067541][T10129]  ? netdev_notice (net/core/dev.c:13194)
[  556.067543][T10129]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  556.067545][T10129]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  556.067548][T10129]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  556.067549][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067550][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067552][T10129]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  556.067553][T10129]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  556.067555][T10129]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  556.067556][T10129]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  556.067558][T10129]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  556.067560][T10129]  ? register_netdev (net/core/dev.c:11618)
[  556.067561][T10129]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  556.067563][T10129]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  556.067566][T10129]  ? __kernel_text_address (kernel/extable.c:79)
[  556.067570][T10129]  ? write_profile (profile.c:?)
[  556.067574][T10129]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  556.067579][T10129]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  556.067582][T10129]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  556.067585][T10129]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  556.067586][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067587][T10129]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  556.067591][T10129]  ? kasan_save_stack (mm/kasan/common.c:58)
[  556.067593][T10129]  ? kasan_save_stack (mm/kasan/common.c:57)
[  556.067594][T10129]  ? kasan_save_track (mm/kasan/common.c:78)
[  556.067596][T10129]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  556.067597][T10129]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  556.067598][T10129]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  556.067599][T10129]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  556.067601][T10129]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  556.067604][T10129]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  556.067605][T10129]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  556.067607][T10129]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  556.067610][T10129]  ? ____sys_sendmsg (net/socket.c:2713)
[  556.067611][T10129]  ? ___sys_sendmsg (net/socket.c:2767)
[  556.067613][T10129]  ? __sys_sendmsg (net/socket.c:2799)
[  556.067615][T10129]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  556.067617][T10129]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  556.067620][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067621][T10129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.067623][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067624][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067625][T10129]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  556.067627][T10129]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  556.067629][T10129]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  556.067630][T10129]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  556.067632][T10129]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  556.067633][T10129]  ? nla_get_range_signed (lib/nlattr.c:270)
[  556.067638][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067640][T10129]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  556.067643][T10129]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  556.067646][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067647][T10129]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  556.067648][T10129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.067650][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067651][T10129]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  556.067654][T10129]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  556.067661][T10129]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  556.067663][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067664][T10129]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  556.067668][T10129]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  556.067670][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067671][T10129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.067673][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067674][T10129]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  556.067676][T10129]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  556.067677][T10129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  556.067679][T10129]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  556.067681][T10129]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  556.067683][T10129]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  556.067685][T10129]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  556.067686][T10129]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  556.067688][T10129]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  556.067690][T10129]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  556.067693][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067694][T10129]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  556.067697][T10129]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  556.067699][T10129]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  556.067701][T10129]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  556.067705][T10129]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  556.067708][T10129]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  556.067711][T10129]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  556.067713][T10129]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  556.067715][T10129]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  556.067720][T10129]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  556.067723][T10129]  ____sys_sendmsg (net/socket.c:2713)
[  556.067725][T10129]  ? copy_msghdr_from_user (net/socket.c:2650)
[  556.067727][T10129]  ? sock_write_iter (net/socket.c:1269)
[  556.067729][T10129]  ? move_addr_to_kernel (net/socket.c:258)
[  556.067730][T10129]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  556.067733][T10129]  ___sys_sendmsg (net/socket.c:2767)
[  556.067735][T10129]  ? copy_msghdr_from_user (net/socket.c:2619)
[  556.067740][T10129]  __sys_sendmsg (net/socket.c:2799)
[  556.067742][T10129]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  556.067745][T10129]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  556.067747][T10129]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  556.067749][T10129]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  556.067751][T10129]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  556.067752][T10129] RIP: 0033:0x7ff4f408354e
[  556.067754][T10129] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  556.067756][T10129] RSP: 002b:00007ffd3c6a1870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  556.067760][T10129] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff4f408354e
[  556.067762][T10129] RDX: 0000000000000000 RSI: 00007ffd3c6a1920 RDI: 0000000000000005
[  556.067763][T10129] RBP: 00007ffd3c6a1880 R08: 0000000000000000 R09: 0000000000000000
[  556.067764][T10129] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912755
[  556.067765][T10129] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3c6a1fe0
| [  557.575716][T10179] softirqs last disabled at (0): 0x0
| [  557.575719][T10179] Preemption disabled at:
| [  557.575720][T10179] vprintk_emit (kernel/printk/printk.c:2471)
| [  557.575733][T10179] Tainted: [W]=WARN
[  557.575735][T10179] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  557.575737][T10179] Call Trace:
[  557.575739][T10179]  <TASK>
[  557.575741][T10179]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  557.575748][T10179]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  557.575750][T10179]  __might_resched.cold (kernel/sched/core.c:9234)
[  557.575755][T10179]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  557.575758][T10179]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  557.575762][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575766][T10179]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  557.575770][T10179]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  557.575774][T10179]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  557.575780][T10179]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  557.575783][T10179]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  557.575787][T10179]  put_chars (drivers/char/virtio_console.c:1176)
[  557.575790][T10179]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  557.575793][T10179]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  557.575797][T10179]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  557.575804][T10179]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  557.575806][T10179]  ? vsnprintf (lib/vsprintf.c:2900)
[  557.575810][T10179]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  557.575813][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575815][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575819][T10179]  console_emit_next_record (kernel/printk/printk.c:3183)
[  557.575823][T10179]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  557.575826][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575828][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575830][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575832][T10179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.575836][T10179]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  557.575839][T10179]  console_flush_one_record (kernel/printk/printk.c:3268)
[  557.575843][T10179]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  557.575848][T10179]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  557.575850][T10179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.575853][T10179]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  557.575856][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575858][T10179]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  557.575861][T10179]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  557.575863][T10179]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  557.575866][T10179]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  557.575869][T10179]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  557.575872][T10179]  vprintk_emit (kernel/printk/printk.c:2479)
[  557.575875][T10179]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  557.575877][T10179]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  557.575880][T10179]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  557.575883][T10179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.575886][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575889][T10179]  _printk (kernel/printk/printk.c:2504)
[  557.575893][T10179]  ? snapshot_read.cold (user.c:?)
[  557.575896][T10179]  ? br_multicast_flood (??:?)
[  557.575901][T10179]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  557.575905][T10179]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  557.575907][T10179]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  557.575910][T10179]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  557.575915][T10179]  br_init_port (net/bridge/br_stp_if.c:39)
[  557.575918][T10179]  new_nbp (net/bridge/br_if.c:449)
[  557.575921][T10179]  br_add_if (net/bridge/br_if.c:592)
[  557.575924][T10179]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  557.575931][T10179]  do_set_master (net/core/rtnetlink.c:3071)
[  557.575934][T10179]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  557.575937][T10179]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  557.575939][T10179]  ? __dev_get_by_name (net/core/dev.c:905)
[  557.575942][T10179]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  557.575948][T10179]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  557.575953][T10179]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  557.575957][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575959][T10179]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  557.575961][T10179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.575964][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575967][T10179]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  557.575970][T10179]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  557.575973][T10179]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  557.575976][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575979][T10179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.575981][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.575983][T10179]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  557.575986][T10179]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  557.575989][T10179]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  557.575991][T10179]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  557.575994][T10179]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  557.576000][T10179]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  557.576004][T10179]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  557.576006][T10179]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  557.576008][T10179]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  557.576011][T10179]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  557.576016][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.576018][T10179]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  557.576021][T10179]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  557.576025][T10179]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  557.576028][T10179]  ? next_uptodate_folio (mm/filemap.c:3747)
[  557.576033][T10179]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  557.576036][T10179]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  557.576040][T10179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.576042][T10179]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  557.576047][T10179]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  557.576051][T10179]  ____sys_sendmsg (net/socket.c:2713)
[  557.576054][T10179]  ? copy_msghdr_from_user (net/socket.c:2650)
[  557.576056][T10179]  ? sock_write_iter (net/socket.c:1269)
[  557.576059][T10179]  ? move_addr_to_kernel (net/socket.c:258)
[  557.576062][T10179]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  557.576065][T10179]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.576069][T10179]  ___sys_sendmsg (net/socket.c:2767)
[  557.576071][T10179]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  557.576074][T10179]  ? copy_msghdr_from_user (net/socket.c:2619)
[  557.576077][T10179]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  557.576085][T10179]  __sys_sendmsg (net/socket.c:2799)
[  557.576088][T10179]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  557.576093][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.576095][T10179]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.576098][T10179]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  557.576102][T10179]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  557.576105][T10179]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  557.576108][T10179] RIP: 0033:0x7f62f0ced54e
[  557.576112][T10179] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  557.576115][T10179] RSP: 002b:00007ffd3c6b59f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  557.576120][T10179] RAX: ffffffffffffffda RBX: 00007ffd3c6b61b8 RCX: 00007f62f0ced54e
[  557.576122][T10179] RDX: 0000000000000000 RSI: 00007ffd3c6b5aa0 RDI: 0000000000000005
[  557.576124][T10179] RBP: 00007ffd3c6b5a00 R08: 0000000000000000 R09: 0000000000000000
[  557.576126][T10179] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912756
[  557.576127][T10179] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3c6b6170
| [  564.816663][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  564.816666][   T71] Preemption disabled at:
| [  564.816667][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  564.816678][   T71] Tainted: [W]=WARN
[  564.816679][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  564.816682][   T71] Workqueue: netns cleanup_net
[  564.816689][   T71] Call Trace:
[  564.816691][   T71]  <TASK>
[  564.816694][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  564.816701][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  564.816703][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  564.816707][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  564.816710][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  564.816721][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.816725][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  564.816729][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.816732][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  564.816737][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  564.816739][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  564.816742][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  564.816743][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  564.816745][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  564.816748][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  564.816753][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  564.816755][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  564.816757][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.816759][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.816761][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.816762][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  564.816765][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  564.816768][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.816769][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.816770][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.816771][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.816774][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  564.816775][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  564.816778][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  564.816781][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  564.816783][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.816785][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  564.816787][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.816788][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  564.816790][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  564.816791][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  564.816793][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  564.816795][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  564.816796][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  564.816798][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  564.816800][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  564.816801][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  564.816804][   T71]  ? kthread (kernel/kthread.c:436)
[  564.816806][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  564.816809][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  564.816812][   T71]  _printk (kernel/printk/printk.c:2504)
[  564.816815][   T71]  ? snapshot_read.cold (user.c:?)
[  564.816818][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  564.816821][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  564.816823][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  564.816826][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  564.816828][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.816829][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  564.816831][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  564.816834][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  564.816836][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  564.816837][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  564.816839][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  564.816842][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  564.816846][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  564.816848][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  564.816851][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  564.816853][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  564.816855][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  564.816858][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  564.816860][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  564.816862][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  564.816864][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  564.816866][   T71]  process_one_work (kernel/workqueue.c:3387)
[  564.816869][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  564.816872][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  564.816874][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  564.816877][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  564.816879][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  564.816881][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  564.816883][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  564.816885][   T71]  kthread (kernel/kthread.c:436)
[  564.816887][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  564.816888][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  564.816890][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  564.816892][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  564.816894][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  564.816897][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  564.816903][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  566.461910][T10341] softirqs last disabled at (0): 0x0
| [  566.461912][T10341] Preemption disabled at:
| [  566.461913][T10341] vprintk_emit (kernel/printk/printk.c:2471)
| [  566.461924][T10341] Tainted: [W]=WARN
[  566.461925][T10341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  566.461927][T10341] Call Trace:
[  566.461928][T10341]  <TASK>
[  566.461930][T10341]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  566.461935][T10341]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  566.461937][T10341]  __might_resched.cold (kernel/sched/core.c:9234)
[  566.461940][T10341]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  566.461942][T10341]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  566.461946][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.461948][T10341]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  566.461951][T10341]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  566.461954][T10341]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  566.461959][T10341]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  566.461961][T10341]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  566.461964][T10341]  put_chars (drivers/char/virtio_console.c:1176)
[  566.461966][T10341]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  566.461968][T10341]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  566.461970][T10341]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  566.461975][T10341]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  566.461977][T10341]  ? vsnprintf (lib/vsprintf.c:2900)
[  566.461981][T10341]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  566.461982][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.461983][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.461985][T10341]  console_emit_next_record (kernel/printk/printk.c:3183)
[  566.461988][T10341]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  566.461990][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.461991][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.461992][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.461994][T10341]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.461996][T10341]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  566.461998][T10341]  console_flush_one_record (kernel/printk/printk.c:3268)
[  566.462001][T10341]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  566.462004][T10341]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  566.462006][T10341]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.462009][T10341]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  566.462011][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.462013][T10341]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  566.462015][T10341]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  566.462018][T10341]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  566.462020][T10341]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  566.462023][T10341]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  566.462025][T10341]  vprintk_emit (kernel/printk/printk.c:2479)
[  566.462028][T10341]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  566.462030][T10341]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  566.462032][T10341]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  566.462036][T10341]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.462038][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.462041][T10341]  _printk (kernel/printk/printk.c:2504)
[  566.462045][T10341]  ? snapshot_read.cold (user.c:?)
[  566.462047][T10341]  ? br_multicast_flood (??:?)
[  566.462051][T10341]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  566.462054][T10341]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  566.462055][T10341]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  566.462057][T10341]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  566.462060][T10341]  br_init_port (net/bridge/br_stp_if.c:39)
[  566.462062][T10341]  new_nbp (net/bridge/br_if.c:449)
[  566.462064][T10341]  br_add_if (net/bridge/br_if.c:592)
[  566.462066][T10341]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  566.462071][T10341]  do_set_master (net/core/rtnetlink.c:3071)
[  566.462072][T10341]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  566.462074][T10341]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  566.462076][T10341]  ? __dev_get_by_name (net/core/dev.c:905)
[  566.462078][T10341]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  566.462082][T10341]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  566.462085][T10341]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  566.462087][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.462088][T10341]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.462090][T10341]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.462091][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.462093][T10341]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  566.462095][T10341]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  566.462097][T10341]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  566.462100][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.462101][T10341]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.462103][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.462104][T10341]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  566.462105][T10341]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  566.462107][T10341]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  566.462109][T10341]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  566.462110][T10341]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  566.462114][T10341]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  566.462117][T10341]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  566.462118][T10341]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  566.462120][T10341]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  566.462122][T10341]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  566.462125][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.462126][T10341]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  566.462128][T10341]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  566.462131][T10341]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  566.462133][T10341]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  566.462135][T10341]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  566.462138][T10341]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  566.462141][T10341]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  566.462143][T10341]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.462145][T10341]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  566.462148][T10341]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  566.462151][T10341]  ____sys_sendmsg (net/socket.c:2713)
[  566.462153][T10341]  ? copy_msghdr_from_user (net/socket.c:2650)
[  566.462155][T10341]  ? sock_write_iter (net/socket.c:1269)
[  566.462156][T10341]  ? move_addr_to_kernel (net/socket.c:258)
[  566.462159][T10341]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  566.462161][T10341]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  566.462164][T10341]  ___sys_sendmsg (net/socket.c:2767)
[  566.462165][T10341]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  566.462167][T10341]  ? copy_msghdr_from_user (net/socket.c:2619)
[  566.462169][T10341]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  566.462174][T10341]  __sys_sendmsg (net/socket.c:2799)
[  566.462176][T10341]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  566.462179][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.462180][T10341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  566.462182][T10341]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  566.462184][T10341]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  566.462186][T10341]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  566.462189][T10341] RIP: 0033:0x7f4f8c74f54e
[  566.462190][T10341] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  566.462192][T10341] RSP: 002b:00007ffd6319b4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  566.462199][T10341] RAX: ffffffffffffffda RBX: 00007ffd6319bca8 RCX: 00007f4f8c74f54e
[  566.462200][T10341] RDX: 0000000000000000 RSI: 00007ffd6319b590 RDI: 0000000000000005
[  566.462201][T10341] RBP: 00007ffd6319b4f0 R08: 0000000000000000 R09: 0000000000000000
[  566.462202][T10341] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91275f
[  566.462203][T10341] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6319bc60
| [  568.221360][T10410] softirqs last disabled at (0): 0x0
| [  568.221367][T10410] Preemption disabled at:
| [  568.221369][T10410] vprintk_emit (kernel/printk/printk.c:2471)
| [  568.221389][T10410] Tainted: [W]=WARN
[  568.221391][T10410] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  568.221394][T10410] Call Trace:
[  568.221399][T10410]  <TASK>
[  568.221403][T10410]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  568.221415][T10410]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  568.221420][T10410]  __might_resched.cold (kernel/sched/core.c:9234)
[  568.221430][T10410]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  568.221440][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.221448][T10410]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  568.221455][T10410]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  568.221464][T10410]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  568.221474][T10410]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  568.221481][T10410]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  568.221490][T10410]  put_chars (drivers/char/virtio_console.c:1176)
[  568.221495][T10410]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  568.221501][T10410]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  568.221508][T10410]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  568.221515][T10410]  ? pointer (lib/vsprintf.c:2577)
[  568.221525][T10410]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  568.221535][T10410]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  568.221543][T10410]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  568.221548][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.221554][T10410]  console_emit_next_record (kernel/printk/printk.c:3183)
[  568.221563][T10410]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  568.221569][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.221572][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.221577][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.221581][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.221587][T10410]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  568.221591][T10410]  console_flush_one_record (kernel/printk/printk.c:3268)
[  568.221600][T10410]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  568.221608][T10410]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  568.221613][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.221620][T10410]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  568.221627][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.221629][T10410]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  568.221635][T10410]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  568.221642][T10410]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  568.221647][T10410]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  568.221651][T10410]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  568.221658][T10410]  vprintk_emit (kernel/printk/printk.c:2479)
[  568.221665][T10410]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  568.221668][T10410]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  568.221676][T10410]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  568.221685][T10410]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  568.221690][T10410]  _printk (kernel/printk/printk.c:2504)
[  568.221700][T10410]  ? snapshot_read.cold (user.c:?)
[  568.221706][T10410]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  568.221711][T10410]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  568.221720][T10410]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  568.221725][T10410]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  568.221732][T10410]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  568.221749][T10410]  ? netdev_notice (net/core/dev.c:13194)
[  568.221756][T10410]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  568.221763][T10410]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  568.221771][T10410]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  568.221774][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.221778][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.221783][T10410]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  568.221790][T10410]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  568.221794][T10410]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  568.221799][T10410]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  568.221805][T10410]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  568.221811][T10410]  ? register_netdev (net/core/dev.c:11618)
[  568.221815][T10410]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  568.221823][T10410]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  568.221831][T10410]  ? __kernel_text_address (kernel/extable.c:79)
[  568.221837][T10410]  ? write_profile (profile.c:?)
[  568.221846][T10410]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  568.221854][T10410]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  568.221862][T10410]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  568.221869][T10410]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  568.221872][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.221874][T10410]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  568.221885][T10410]  ? kasan_save_stack (mm/kasan/common.c:58)
[  568.221891][T10410]  ? kasan_save_stack (mm/kasan/common.c:57)
[  568.221893][T10410]  ? kasan_save_track (mm/kasan/common.c:78)
[  568.221898][T10410]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  568.221902][T10410]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  568.221907][T10410]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  568.221910][T10410]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  568.221913][T10410]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  568.221921][T10410]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  568.221927][T10410]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  568.221930][T10410]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  568.221936][T10410]  ? ____sys_sendmsg (net/socket.c:2713)
[  568.221941][T10410]  ? ___sys_sendmsg (net/socket.c:2767)
[  568.221947][T10410]  ? __sys_sendmsg (net/socket.c:2799)
[  568.221950][T10410]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  568.221955][T10410]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  568.221964][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.221969][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.221972][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.221977][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.221982][T10410]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  568.221988][T10410]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  568.221991][T10410]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  568.221994][T10410]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  568.222002][T10410]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  568.222007][T10410]  ? nla_get_range_signed (lib/nlattr.c:270)
[  568.222013][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.222020][T10410]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  568.222028][T10410]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  568.222034][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.222039][T10410]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  568.222045][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.222049][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.222052][T10410]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  568.222059][T10410]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  568.222066][T10410]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  568.222069][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.222072][T10410]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  568.222081][T10410]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  568.222087][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.222090][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.222097][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.222102][T10410]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  568.222107][T10410]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  568.222111][T10410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  568.222118][T10410]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  568.222125][T10410]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  568.222130][T10410]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  568.222137][T10410]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  568.222143][T10410]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  568.222147][T10410]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  568.222150][T10410]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  568.222160][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.222166][T10410]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  568.222170][T10410]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  568.222178][T10410]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  568.222186][T10410]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  568.222190][T10410]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  568.222204][T10410]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  568.222208][T10410]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  568.222214][T10410]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  568.222221][T10410]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  568.222227][T10410]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  568.222235][T10410]  ____sys_sendmsg (net/socket.c:2713)
[  568.222242][T10410]  ? copy_msghdr_from_user (net/socket.c:2650)
[  568.222246][T10410]  ? sock_write_iter (net/socket.c:1269)
[  568.222250][T10410]  ? move_addr_to_kernel (net/socket.c:258)
[  568.222256][T10410]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  568.222264][T10410]  ___sys_sendmsg (net/socket.c:2767)
[  568.222270][T10410]  ? copy_msghdr_from_user (net/socket.c:2619)
[  568.222282][T10410]  __sys_sendmsg (net/socket.c:2799)
[  568.222290][T10410]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  568.222300][T10410]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  568.222305][T10410]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  568.222312][T10410]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  568.222318][T10410]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  568.222323][T10410] RIP: 0033:0x7f554ece954e
[  568.222329][T10410] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  568.222334][T10410] RSP: 002b:00007fff1da128f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  568.222342][T10410] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f554ece954e
[  568.222345][T10410] RDX: 0000000000000000 RSI: 00007fff1da129a0 RDI: 0000000000000005
[  568.222348][T10410] RBP: 00007fff1da12900 R08: 0000000000000000 R09: 0000000000000000
[  568.222352][T10410] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912761
[  568.222354][T10410] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1da13060
| [  569.623854][T10460] softirqs last disabled at (0): 0x0
| [  569.623856][T10460] Preemption disabled at:
| [  569.623857][T10460] vprintk_emit (kernel/printk/printk.c:2471)
| [  569.623867][T10460] Tainted: [W]=WARN
[  569.623868][T10460] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  569.623870][T10460] Call Trace:
[  569.623872][T10460]  <TASK>
[  569.623873][T10460]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  569.623879][T10460]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  569.623881][T10460]  __might_resched.cold (kernel/sched/core.c:9234)
[  569.623885][T10460]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  569.623887][T10460]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  569.623891][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.623893][T10460]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  569.623896][T10460]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  569.623900][T10460]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  569.623905][T10460]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  569.623907][T10460]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  569.623910][T10460]  put_chars (drivers/char/virtio_console.c:1176)
[  569.623911][T10460]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  569.623913][T10460]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  569.623916][T10460]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  569.623921][T10460]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  569.623923][T10460]  ? vsnprintf (lib/vsprintf.c:2900)
[  569.623926][T10460]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  569.623928][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.623929][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.623931][T10460]  console_emit_next_record (kernel/printk/printk.c:3183)
[  569.623934][T10460]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  569.623936][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.623937][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.623938][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.623939][T10460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  569.623942][T10460]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  569.623944][T10460]  console_flush_one_record (kernel/printk/printk.c:3268)
[  569.623946][T10460]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  569.623949][T10460]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  569.623951][T10460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  569.623953][T10460]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  569.623955][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.623956][T10460]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  569.623957][T10460]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  569.623959][T10460]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  569.623961][T10460]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  569.623963][T10460]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  569.623964][T10460]  vprintk_emit (kernel/printk/printk.c:2479)
[  569.623966][T10460]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  569.623968][T10460]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  569.623969][T10460]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  569.623972][T10460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  569.623974][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.623976][T10460]  _printk (kernel/printk/printk.c:2504)
[  569.623979][T10460]  ? snapshot_read.cold (user.c:?)
[  569.623981][T10460]  ? br_multicast_flood (??:?)
[  569.623984][T10460]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  569.623987][T10460]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  569.623989][T10460]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  569.623991][T10460]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  569.623994][T10460]  br_init_port (net/bridge/br_stp_if.c:39)
[  569.623996][T10460]  new_nbp (net/bridge/br_if.c:449)
[  569.623998][T10460]  br_add_if (net/bridge/br_if.c:592)
[  569.624000][T10460]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  569.624007][T10460]  do_set_master (net/core/rtnetlink.c:3071)
[  569.624010][T10460]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  569.624013][T10460]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  569.624015][T10460]  ? __dev_get_by_name (net/core/dev.c:905)
[  569.624017][T10460]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  569.624022][T10460]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  569.624025][T10460]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  569.624027][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.624028][T10460]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  569.624029][T10460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  569.624031][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.624033][T10460]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  569.624035][T10460]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  569.624037][T10460]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  569.624040][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.624041][T10460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  569.624043][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.624044][T10460]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  569.624045][T10460]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  569.624047][T10460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  569.624049][T10460]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  569.624050][T10460]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  569.624054][T10460]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  569.624057][T10460]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  569.624059][T10460]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  569.624060][T10460]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  569.624062][T10460]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  569.624066][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.624067][T10460]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  569.624069][T10460]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  569.624072][T10460]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  569.624074][T10460]  ? next_uptodate_folio (mm/filemap.c:3747)
[  569.624077][T10460]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  569.624079][T10460]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  569.624082][T10460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  569.624083][T10460]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  569.624087][T10460]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  569.624090][T10460]  ____sys_sendmsg (net/socket.c:2713)
[  569.624091][T10460]  ? copy_msghdr_from_user (net/socket.c:2650)
[  569.624093][T10460]  ? sock_write_iter (net/socket.c:1269)
[  569.624095][T10460]  ? move_addr_to_kernel (net/socket.c:258)
[  569.624097][T10460]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  569.624100][T10460]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  569.624102][T10460]  ___sys_sendmsg (net/socket.c:2767)
[  569.624104][T10460]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  569.624106][T10460]  ? copy_msghdr_from_user (net/socket.c:2619)
[  569.624107][T10460]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  569.624112][T10460]  __sys_sendmsg (net/socket.c:2799)
[  569.624114][T10460]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  569.624117][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.624118][T10460]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  569.624120][T10460]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  569.624123][T10460]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  569.624125][T10460]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  569.624127][T10460] RIP: 0033:0x7fd78384154e
[  569.624129][T10460] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  569.624131][T10460] RSP: 002b:00007ffd75856060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  569.624135][T10460] RAX: ffffffffffffffda RBX: 00007ffd75856828 RCX: 00007fd78384154e
[  569.624137][T10460] RDX: 0000000000000000 RSI: 00007ffd75856110 RDI: 0000000000000005
[  569.624138][T10460] RBP: 00007ffd75856070 R08: 0000000000000000 R09: 0000000000000000
[  569.624139][T10460] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912763
[  569.624140][T10460] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd758567e0
| [  576.764092][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  576.764094][   T71] Preemption disabled at:
| [  576.764095][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  576.764109][   T71] Tainted: [W]=WARN
[  576.764110][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  576.764112][   T71] Workqueue: netns cleanup_net
[  576.764118][   T71] Call Trace:
[  576.764120][   T71]  <TASK>
[  576.764122][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  576.764128][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  576.764129][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  576.764133][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  576.764135][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  576.764139][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.764142][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  576.764145][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  576.764148][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  576.764152][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  576.764155][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  576.764159][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  576.764162][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  576.764165][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  576.764168][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  576.764173][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  576.764175][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  576.764178][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  576.764180][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.764181][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.764183][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  576.764186][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  576.764188][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.764189][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.764190][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.764197][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.764200][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  576.764202][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  576.764205][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  576.764208][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  576.764211][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.764214][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  576.764217][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.764219][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  576.764221][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  576.764223][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  576.764224][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  576.764227][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  576.764229][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  576.764231][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  576.764232][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  576.764233][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  576.764236][   T71]  ? kthread (kernel/kthread.c:436)
[  576.764239][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  576.764241][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  576.764244][   T71]  _printk (kernel/printk/printk.c:2504)
[  576.764248][   T71]  ? snapshot_read.cold (user.c:?)
[  576.764250][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  576.764253][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  576.764256][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  576.764258][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  576.764261][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.764263][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  576.764265][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  576.764270][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  576.764273][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  576.764275][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  576.764277][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  576.764280][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  576.764284][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  576.764286][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  576.764289][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  576.764292][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  576.764294][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  576.764297][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  576.764299][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  576.764301][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  576.764303][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  576.764304][   T71]  process_one_work (kernel/workqueue.c:3387)
[  576.764308][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  576.764311][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  576.764313][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  576.764317][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  576.764320][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  576.764323][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  576.764326][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  576.764328][   T71]  kthread (kernel/kthread.c:436)
[  576.764330][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  576.764332][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  576.764334][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  576.764336][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  576.764338][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  576.764341][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  576.764343][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  577.806943][T10578] softirqs last disabled at (0): 0x0
| [  577.806945][T10578] Preemption disabled at:
| [  577.806946][T10578] vprintk_emit (kernel/printk/printk.c:2471)
| [  577.806956][T10578] Tainted: [W]=WARN
[  577.806958][T10578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  577.806959][T10578] Call Trace:
[  577.806961][T10578]  <TASK>
[  577.806963][T10578]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  577.806968][T10578]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  577.806969][T10578]  __might_resched.cold (kernel/sched/core.c:9234)
[  577.806973][T10578]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  577.806977][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.806979][T10578]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  577.806982][T10578]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  577.806986][T10578]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  577.806991][T10578]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  577.806993][T10578]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  577.806996][T10578]  put_chars (drivers/char/virtio_console.c:1176)
[  577.806997][T10578]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  577.806999][T10578]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  577.807001][T10578]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  577.807004][T10578]  ? pointer (lib/vsprintf.c:2577)
[  577.807008][T10578]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  577.807012][T10578]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  577.807014][T10578]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  577.807016][T10578]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.807019][T10578]  console_emit_next_record (kernel/printk/printk.c:3183)
[  577.807022][T10578]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  577.807024][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807025][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807026][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807027][T10578]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.807029][T10578]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  577.807031][T10578]  console_flush_one_record (kernel/printk/printk.c:3268)
[  577.807034][T10578]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  577.807037][T10578]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  577.807039][T10578]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.807040][T10578]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  577.807042][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807043][T10578]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  577.807045][T10578]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  577.807047][T10578]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  577.807048][T10578]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  577.807051][T10578]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  577.807052][T10578]  vprintk_emit (kernel/printk/printk.c:2479)
[  577.807054][T10578]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  577.807055][T10578]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  577.807058][T10578]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  577.807061][T10578]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  577.807064][T10578]  _printk (kernel/printk/printk.c:2504)
[  577.807067][T10578]  ? snapshot_read.cold (user.c:?)
[  577.807069][T10578]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  577.807072][T10578]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  577.807075][T10578]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  577.807077][T10578]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  577.807080][T10578]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  577.807083][T10578]  ? netdev_notice (net/core/dev.c:13194)
[  577.807085][T10578]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  577.807087][T10578]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  577.807090][T10578]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  577.807091][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807092][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807094][T10578]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  577.807095][T10578]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  577.807097][T10578]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  577.807098][T10578]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  577.807100][T10578]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  577.807101][T10578]  ? register_netdev (net/core/dev.c:11618)
[  577.807103][T10578]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  577.807105][T10578]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  577.807108][T10578]  ? __kernel_text_address (kernel/extable.c:79)
[  577.807110][T10578]  ? write_profile (profile.c:?)
[  577.807113][T10578]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  577.807117][T10578]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  577.807119][T10578]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  577.807121][T10578]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  577.807122][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807123][T10578]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  577.807127][T10578]  ? kasan_save_stack (mm/kasan/common.c:58)
[  577.807129][T10578]  ? kasan_save_stack (mm/kasan/common.c:57)
[  577.807130][T10578]  ? kasan_save_track (mm/kasan/common.c:78)
[  577.807131][T10578]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  577.807132][T10578]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  577.807133][T10578]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  577.807135][T10578]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  577.807136][T10578]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  577.807139][T10578]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  577.807140][T10578]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  577.807142][T10578]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  577.807144][T10578]  ? ____sys_sendmsg (net/socket.c:2713)
[  577.807146][T10578]  ? ___sys_sendmsg (net/socket.c:2767)
[  577.807147][T10578]  ? __sys_sendmsg (net/socket.c:2799)
[  577.807149][T10578]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  577.807152][T10578]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  577.807154][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807156][T10578]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.807157][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807158][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807159][T10578]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  577.807161][T10578]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  577.807162][T10578]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  577.807163][T10578]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  577.807165][T10578]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  577.807166][T10578]  ? nla_get_range_signed (lib/nlattr.c:270)
[  577.807170][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807171][T10578]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  577.807173][T10578]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  577.807175][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807177][T10578]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.807178][T10578]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.807179][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807181][T10578]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  577.807183][T10578]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  577.807185][T10578]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  577.807186][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807187][T10578]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  577.807190][T10578]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  577.807193][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807198][T10578]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.807200][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807201][T10578]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.807202][T10578]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  577.807204][T10578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  577.807206][T10578]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  577.807207][T10578]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  577.807210][T10578]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  577.807212][T10578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  577.807213][T10578]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  577.807215][T10578]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  577.807217][T10578]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  577.807220][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807221][T10578]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  577.807223][T10578]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  577.807226][T10578]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  577.807228][T10578]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  577.807230][T10578]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  577.807232][T10578]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  577.807234][T10578]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  577.807235][T10578]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.807237][T10578]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  577.807240][T10578]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  577.807242][T10578]  ____sys_sendmsg (net/socket.c:2713)
[  577.807244][T10578]  ? copy_msghdr_from_user (net/socket.c:2650)
[  577.807246][T10578]  ? sock_write_iter (net/socket.c:1269)
[  577.807247][T10578]  ? move_addr_to_kernel (net/socket.c:258)
[  577.807249][T10578]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  577.807252][T10578]  ___sys_sendmsg (net/socket.c:2767)
[  577.807254][T10578]  ? copy_msghdr_from_user (net/socket.c:2619)
[  577.807259][T10578]  __sys_sendmsg (net/socket.c:2799)
[  577.807261][T10578]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  577.807264][T10578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.807265][T10578]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  577.807267][T10578]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  577.807269][T10578]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  577.807271][T10578] RIP: 0033:0x7f472f5f254e
[  577.807273][T10578] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  577.807275][T10578] RSP: 002b:00007ffc10eaf770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  577.807279][T10578] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f472f5f254e
[  577.807280][T10578] RDX: 0000000000000000 RSI: 00007ffc10eaf820 RDI: 0000000000000005
[  577.807281][T10578] RBP: 00007ffc10eaf780 R08: 0000000000000000 R09: 0000000000000000
[  577.807282][T10578] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91276b
[  577.807283][T10578] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc10eafee0
| [  579.228961][T10653] softirqs last disabled at (0): 0x0
| [  579.228963][T10653] Preemption disabled at:
| [  579.228964][T10653] vprintk_emit (kernel/printk/printk.c:2471)
| [  579.228977][T10653] Tainted: [W]=WARN
[  579.228979][T10653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  579.228981][T10653] Call Trace:
[  579.228983][T10653]  <TASK>
[  579.228985][T10653]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  579.228992][T10653]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  579.228994][T10653]  __might_resched.cold (kernel/sched/core.c:9234)
[  579.228999][T10653]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  579.229002][T10653]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  579.229006][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229010][T10653]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  579.229014][T10653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  579.229018][T10653]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  579.229024][T10653]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  579.229027][T10653]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  579.229031][T10653]  put_chars (drivers/char/virtio_console.c:1176)
[  579.229034][T10653]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  579.229038][T10653]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  579.229042][T10653]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  579.229049][T10653]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  579.229052][T10653]  ? vsnprintf (lib/vsprintf.c:2900)
[  579.229056][T10653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  579.229059][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229060][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229064][T10653]  console_emit_next_record (kernel/printk/printk.c:3183)
[  579.229068][T10653]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  579.229071][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229074][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229076][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229078][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.229081][T10653]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  579.229084][T10653]  console_flush_one_record (kernel/printk/printk.c:3268)
[  579.229087][T10653]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  579.229090][T10653]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  579.229092][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.229094][T10653]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  579.229096][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229097][T10653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  579.229099][T10653]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  579.229100][T10653]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  579.229102][T10653]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  579.229104][T10653]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  579.229106][T10653]  vprintk_emit (kernel/printk/printk.c:2479)
[  579.229107][T10653]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  579.229109][T10653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  579.229111][T10653]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  579.229114][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.229115][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229117][T10653]  _printk (kernel/printk/printk.c:2504)
[  579.229121][T10653]  ? snapshot_read.cold (user.c:?)
[  579.229123][T10653]  ? br_multicast_flood (??:?)
[  579.229127][T10653]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  579.229130][T10653]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  579.229131][T10653]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  579.229133][T10653]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  579.229136][T10653]  br_init_port (net/bridge/br_stp_if.c:39)
[  579.229138][T10653]  new_nbp (net/bridge/br_if.c:449)
[  579.229141][T10653]  br_add_if (net/bridge/br_if.c:592)
[  579.229142][T10653]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  579.229147][T10653]  do_set_master (net/core/rtnetlink.c:3071)
[  579.229149][T10653]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  579.229151][T10653]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  579.229152][T10653]  ? __dev_get_by_name (net/core/dev.c:905)
[  579.229154][T10653]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  579.229158][T10653]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  579.229161][T10653]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  579.229163][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229165][T10653]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  579.229166][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.229168][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229169][T10653]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  579.229172][T10653]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  579.229174][T10653]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  579.229177][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229178][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.229179][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229181][T10653]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  579.229182][T10653]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  579.229184][T10653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  579.229186][T10653]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  579.229187][T10653]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  579.229191][T10653]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  579.229194][T10653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  579.229200][T10653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  579.229202][T10653]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  579.229205][T10653]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  579.229208][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229210][T10653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  579.229212][T10653]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  579.229214][T10653]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  579.229216][T10653]  ? next_uptodate_folio (mm/filemap.c:3747)
[  579.229219][T10653]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  579.229222][T10653]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  579.229224][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.229226][T10653]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  579.229229][T10653]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  579.229232][T10653]  ____sys_sendmsg (net/socket.c:2713)
[  579.229234][T10653]  ? copy_msghdr_from_user (net/socket.c:2650)
[  579.229236][T10653]  ? sock_write_iter (net/socket.c:1269)
[  579.229238][T10653]  ? move_addr_to_kernel (net/socket.c:258)
[  579.229240][T10653]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  579.229243][T10653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  579.229245][T10653]  ___sys_sendmsg (net/socket.c:2767)
[  579.229246][T10653]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  579.229248][T10653]  ? copy_msghdr_from_user (net/socket.c:2619)
[  579.229250][T10653]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  579.229255][T10653]  __sys_sendmsg (net/socket.c:2799)
[  579.229258][T10653]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  579.229261][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229262][T10653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  579.229264][T10653]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  579.229266][T10653]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  579.229268][T10653]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  579.229270][T10653] RIP: 0033:0x7f19eb7d954e
[  579.229273][T10653] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  579.229275][T10653] RSP: 002b:00007ffef2d98a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  579.229279][T10653] RAX: ffffffffffffffda RBX: 00007ffef2d99218 RCX: 00007f19eb7d954e
[  579.229280][T10653] RDX: 0000000000000000 RSI: 00007ffef2d98b00 RDI: 0000000000000005
[  579.229281][T10653] RBP: 00007ffef2d98a60 R08: 0000000000000000 R09: 0000000000000000
[  579.229282][T10653] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91276c
[  579.229283][T10653] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef2d991d0
| [  580.624450][T10712] softirqs last disabled at (0): 0x0
| [  580.624452][T10712] Preemption disabled at:
| [  580.624453][T10712] vprintk_emit (kernel/printk/printk.c:2471)
| [  580.624464][T10712] Tainted: [W]=WARN
[  580.624465][T10712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  580.624467][T10712] Call Trace:
[  580.624469][T10712]  <TASK>
[  580.624470][T10712]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  580.624476][T10712]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  580.624478][T10712]  __might_resched.cold (kernel/sched/core.c:9234)
[  580.624481][T10712]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  580.624483][T10712]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  580.624486][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624489][T10712]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  580.624492][T10712]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  580.624495][T10712]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  580.624501][T10712]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  580.624503][T10712]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  580.624505][T10712]  put_chars (drivers/char/virtio_console.c:1176)
[  580.624507][T10712]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  580.624509][T10712]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  580.624512][T10712]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  580.624517][T10712]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  580.624519][T10712]  ? vsnprintf (lib/vsprintf.c:2900)
[  580.624522][T10712]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  580.624524][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624525][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624527][T10712]  console_emit_next_record (kernel/printk/printk.c:3183)
[  580.624530][T10712]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  580.624532][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624533][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624534][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624536][T10712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.624538][T10712]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  580.624540][T10712]  console_flush_one_record (kernel/printk/printk.c:3268)
[  580.624543][T10712]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  580.624546][T10712]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  580.624548][T10712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.624550][T10712]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  580.624552][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624553][T10712]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  580.624555][T10712]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  580.624556][T10712]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  580.624558][T10712]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  580.624560][T10712]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  580.624562][T10712]  vprintk_emit (kernel/printk/printk.c:2479)
[  580.624564][T10712]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  580.624565][T10712]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  580.624567][T10712]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  580.624570][T10712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.624571][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624573][T10712]  _printk (kernel/printk/printk.c:2504)
[  580.624576][T10712]  ? snapshot_read.cold (user.c:?)
[  580.624578][T10712]  ? br_multicast_flood (??:?)
[  580.624582][T10712]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  580.624585][T10712]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  580.624586][T10712]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  580.624588][T10712]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  580.624591][T10712]  br_init_port (net/bridge/br_stp_if.c:39)
[  580.624593][T10712]  new_nbp (net/bridge/br_if.c:449)
[  580.624595][T10712]  br_add_if (net/bridge/br_if.c:592)
[  580.624597][T10712]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  580.624601][T10712]  do_set_master (net/core/rtnetlink.c:3071)
[  580.624603][T10712]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  580.624605][T10712]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  580.624606][T10712]  ? __dev_get_by_name (net/core/dev.c:905)
[  580.624608][T10712]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  580.624612][T10712]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  580.624615][T10712]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  580.624617][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624618][T10712]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  580.624620][T10712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.624621][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624623][T10712]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  580.624626][T10712]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  580.624628][T10712]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  580.624630][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624631][T10712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.624633][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624634][T10712]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  580.624636][T10712]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  580.624638][T10712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  580.624639][T10712]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  580.624641][T10712]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  580.624645][T10712]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  580.624648][T10712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  580.624649][T10712]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  580.624651][T10712]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  580.624653][T10712]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  580.624656][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624657][T10712]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  580.624659][T10712]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  580.624662][T10712]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  580.624664][T10712]  ? next_uptodate_folio (mm/filemap.c:3747)
[  580.624667][T10712]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  580.624670][T10712]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  580.624672][T10712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.624673][T10712]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  580.624677][T10712]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  580.624680][T10712]  ____sys_sendmsg (net/socket.c:2713)
[  580.624682][T10712]  ? copy_msghdr_from_user (net/socket.c:2650)
[  580.624684][T10712]  ? sock_write_iter (net/socket.c:1269)
[  580.624685][T10712]  ? move_addr_to_kernel (net/socket.c:258)
[  580.624688][T10712]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  580.624690][T10712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  580.624692][T10712]  ___sys_sendmsg (net/socket.c:2767)
[  580.624694][T10712]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  580.624696][T10712]  ? copy_msghdr_from_user (net/socket.c:2619)
[  580.624697][T10712]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  580.624702][T10712]  __sys_sendmsg (net/socket.c:2799)
[  580.624705][T10712]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  580.624708][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624709][T10712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  580.624711][T10712]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  580.624713][T10712]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  580.624715][T10712]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  580.624718][T10712] RIP: 0033:0x7fe5964db54e
[  580.624720][T10712] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  580.624723][T10712] RSP: 002b:00007ffce8f0ba90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  580.624726][T10712] RAX: ffffffffffffffda RBX: 00007ffce8f0c258 RCX: 00007fe5964db54e
[  580.624728][T10712] RDX: 0000000000000000 RSI: 00007ffce8f0bb40 RDI: 0000000000000005
[  580.624729][T10712] RBP: 00007ffce8f0baa0 R08: 0000000000000000 R09: 0000000000000000
[  580.624730][T10712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91276e
[  580.624732][T10712] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce8f0c210
| [  588.668385][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  588.668388][   T71] Preemption disabled at:
| [  588.668389][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  588.668400][   T71] Tainted: [W]=WARN
[  588.668401][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  588.668403][   T71] Workqueue: netns cleanup_net
[  588.668409][   T71] Call Trace:
[  588.668410][   T71]  <TASK>
[  588.668412][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  588.668418][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  588.668419][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  588.668423][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  588.668425][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  588.668428][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.668431][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  588.668433][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.668437][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.668441][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  588.668443][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.668446][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  588.668448][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  588.668450][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  588.668452][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  588.668457][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  588.668459][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  588.668461][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.668463][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.668464][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.668466][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  588.668469][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  588.668471][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.668472][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.668473][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.668474][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.668477][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  588.668478][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  588.668481][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  588.668484][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  588.668486][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.668488][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  588.668490][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.668491][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.668492][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  588.668494][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  588.668495][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  588.668498][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  588.668499][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  588.668501][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  588.668502][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  588.668504][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  588.668507][   T71]  ? kthread (kernel/kthread.c:436)
[  588.668509][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  588.668511][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  588.668514][   T71]  _printk (kernel/printk/printk.c:2504)
[  588.668517][   T71]  ? snapshot_read.cold (user.c:?)
[  588.668520][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  588.668523][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  588.668525][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  588.668527][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  588.668530][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.668531][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  588.668532][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  588.668536][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  588.668537][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  588.668539][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  588.668541][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  588.668544][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  588.668547][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  588.668550][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  588.668552][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  588.668554][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  588.668556][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  588.668559][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  588.668561][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  588.668563][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.668565][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.668567][   T71]  process_one_work (kernel/workqueue.c:3387)
[  588.668570][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  588.668573][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.668575][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  588.668578][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  588.668580][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  588.668582][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  588.668584][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  588.668586][   T71]  kthread (kernel/kthread.c:436)
[  588.668588][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  588.668589][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  588.668592][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  588.668593][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  588.668595][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  588.668599][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  588.668600][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  590.351143][T10905] softirqs last disabled at (0): 0x0
| [  590.351144][T10905] Preemption disabled at:
| [  590.351145][T10905] vprintk_emit (kernel/printk/printk.c:2471)
| [  590.351156][T10905] Tainted: [W]=WARN
[  590.351157][T10905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  590.351159][T10905] Call Trace:
[  590.351161][T10905]  <TASK>
[  590.351162][T10905]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  590.351168][T10905]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  590.351170][T10905]  __might_resched.cold (kernel/sched/core.c:9234)
[  590.351173][T10905]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  590.351175][T10905]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  590.351178][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351181][T10905]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  590.351184][T10905]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  590.351187][T10905]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  590.351192][T10905]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  590.351195][T10905]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  590.351199][T10905]  put_chars (drivers/char/virtio_console.c:1176)
[  590.351201][T10905]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  590.351203][T10905]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  590.351206][T10905]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  590.351210][T10905]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  590.351212][T10905]  ? vsnprintf (lib/vsprintf.c:2900)
[  590.351216][T10905]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  590.351217][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351219][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351220][T10905]  console_emit_next_record (kernel/printk/printk.c:3183)
[  590.351223][T10905]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  590.351226][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351227][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351228][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351229][T10905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  590.351231][T10905]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  590.351233][T10905]  console_flush_one_record (kernel/printk/printk.c:3268)
[  590.351236][T10905]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  590.351239][T10905]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  590.351241][T10905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  590.351243][T10905]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  590.351244][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351245][T10905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  590.351247][T10905]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  590.351249][T10905]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  590.351250][T10905]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  590.351253][T10905]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  590.351254][T10905]  vprintk_emit (kernel/printk/printk.c:2479)
[  590.351256][T10905]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  590.351257][T10905]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  590.351259][T10905]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  590.351262][T10905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  590.351264][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351265][T10905]  _printk (kernel/printk/printk.c:2504)
[  590.351268][T10905]  ? snapshot_read.cold (user.c:?)
[  590.351270][T10905]  ? br_multicast_flood (??:?)
[  590.351274][T10905]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  590.351277][T10905]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  590.351278][T10905]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  590.351280][T10905]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  590.351283][T10905]  br_init_port (net/bridge/br_stp_if.c:39)
[  590.351285][T10905]  new_nbp (net/bridge/br_if.c:449)
[  590.351287][T10905]  br_add_if (net/bridge/br_if.c:592)
[  590.351289][T10905]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  590.351294][T10905]  do_set_master (net/core/rtnetlink.c:3071)
[  590.351295][T10905]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  590.351297][T10905]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  590.351299][T10905]  ? __dev_get_by_name (net/core/dev.c:905)
[  590.351301][T10905]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  590.351305][T10905]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  590.351307][T10905]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  590.351310][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351311][T10905]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  590.351312][T10905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  590.351314][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351315][T10905]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  590.351318][T10905]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  590.351320][T10905]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  590.351323][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351324][T10905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  590.351325][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351327][T10905]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  590.351328][T10905]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  590.351330][T10905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  590.351332][T10905]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  590.351333][T10905]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  590.351337][T10905]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  590.351340][T10905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  590.351342][T10905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  590.351344][T10905]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  590.351345][T10905]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  590.351348][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351349][T10905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  590.351352][T10905]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  590.351354][T10905]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  590.351356][T10905]  ? next_uptodate_folio (mm/filemap.c:3747)
[  590.351359][T10905]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  590.351361][T10905]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  590.351364][T10905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  590.351365][T10905]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  590.351369][T10905]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  590.351372][T10905]  ____sys_sendmsg (net/socket.c:2713)
[  590.351374][T10905]  ? copy_msghdr_from_user (net/socket.c:2650)
[  590.351376][T10905]  ? sock_write_iter (net/socket.c:1269)
[  590.351377][T10905]  ? move_addr_to_kernel (net/socket.c:258)
[  590.351379][T10905]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  590.351382][T10905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  590.351384][T10905]  ___sys_sendmsg (net/socket.c:2767)
[  590.351386][T10905]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  590.351388][T10905]  ? copy_msghdr_from_user (net/socket.c:2619)
[  590.351390][T10905]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  590.351395][T10905]  __sys_sendmsg (net/socket.c:2799)
[  590.351397][T10905]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  590.351400][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351401][T10905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  590.351402][T10905]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  590.351405][T10905]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  590.351407][T10905]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  590.351409][T10905] RIP: 0033:0x7f11a43eb54e
[  590.351412][T10905] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  590.351414][T10905] RSP: 002b:00007ffc03d50970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  590.351417][T10905] RAX: ffffffffffffffda RBX: 00007ffc03d51138 RCX: 00007f11a43eb54e
[  590.351419][T10905] RDX: 0000000000000000 RSI: 00007ffc03d50a20 RDI: 0000000000000005
[  590.351420][T10905] RBP: 00007ffc03d50980 R08: 0000000000000000 R09: 0000000000000000
[  590.351421][T10905] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912777
[  590.351422][T10905] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc03d510f0
| [  592.080263][T10975] softirqs last disabled at (0): 0x0
| [  592.080265][T10975] Preemption disabled at:
| [  592.080265][T10975] vprintk_emit (kernel/printk/printk.c:2471)
| [  592.080276][T10975] Tainted: [W]=WARN
[  592.080277][T10975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  592.080279][T10975] Call Trace:
[  592.080281][T10975]  <TASK>
[  592.080282][T10975]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  592.080288][T10975]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  592.080289][T10975]  __might_resched.cold (kernel/sched/core.c:9234)
[  592.080293][T10975]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  592.080297][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080300][T10975]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  592.080303][T10975]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  592.080306][T10975]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  592.080311][T10975]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  592.080313][T10975]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  592.080316][T10975]  put_chars (drivers/char/virtio_console.c:1176)
[  592.080318][T10975]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  592.080319][T10975]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  592.080321][T10975]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  592.080323][T10975]  ? pointer (lib/vsprintf.c:2577)
[  592.080327][T10975]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  592.080332][T10975]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  592.080334][T10975]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  592.080336][T10975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  592.080338][T10975]  console_emit_next_record (kernel/printk/printk.c:3183)
[  592.080341][T10975]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  592.080343][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080345][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080346][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080347][T10975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  592.080349][T10975]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  592.080351][T10975]  console_flush_one_record (kernel/printk/printk.c:3268)
[  592.080354][T10975]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  592.080359][T10975]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  592.080363][T10975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  592.080365][T10975]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  592.080367][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080368][T10975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  592.080370][T10975]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  592.080372][T10975]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  592.080374][T10975]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  592.080376][T10975]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  592.080378][T10975]  vprintk_emit (kernel/printk/printk.c:2479)
[  592.080380][T10975]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  592.080381][T10975]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  592.080384][T10975]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  592.080387][T10975]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  592.080390][T10975]  _printk (kernel/printk/printk.c:2504)
[  592.080393][T10975]  ? snapshot_read.cold (user.c:?)
[  592.080395][T10975]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  592.080398][T10975]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  592.080401][T10975]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  592.080403][T10975]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  592.080407][T10975]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  592.080409][T10975]  ? netdev_notice (net/core/dev.c:13194)
[  592.080412][T10975]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  592.080414][T10975]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  592.080417][T10975]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  592.080419][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080420][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080421][T10975]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  592.080423][T10975]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  592.080425][T10975]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  592.080426][T10975]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  592.080427][T10975]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  592.080429][T10975]  ? register_netdev (net/core/dev.c:11618)
[  592.080431][T10975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  592.080433][T10975]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  592.080436][T10975]  ? __kernel_text_address (kernel/extable.c:79)
[  592.080438][T10975]  ? write_profile (profile.c:?)
[  592.080441][T10975]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  592.080445][T10975]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  592.080448][T10975]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  592.080450][T10975]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  592.080451][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080452][T10975]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  592.080456][T10975]  ? kasan_save_stack (mm/kasan/common.c:58)
[  592.080458][T10975]  ? kasan_save_stack (mm/kasan/common.c:57)
[  592.080459][T10975]  ? kasan_save_track (mm/kasan/common.c:78)
[  592.080460][T10975]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  592.080462][T10975]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  592.080463][T10975]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  592.080464][T10975]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  592.080466][T10975]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  592.080469][T10975]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  592.080471][T10975]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  592.080473][T10975]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  592.080476][T10975]  ? ____sys_sendmsg (net/socket.c:2713)
[  592.080477][T10975]  ? ___sys_sendmsg (net/socket.c:2767)
[  592.080479][T10975]  ? __sys_sendmsg (net/socket.c:2799)
[  592.080481][T10975]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  592.080483][T10975]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  592.080486][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080487][T10975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  592.080489][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080490][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080492][T10975]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  592.080494][T10975]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  592.080495][T10975]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  592.080496][T10975]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  592.080498][T10975]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  592.080500][T10975]  ? nla_get_range_signed (lib/nlattr.c:270)
[  592.080504][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080505][T10975]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  592.080508][T10975]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  592.080510][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080512][T10975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  592.080513][T10975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  592.080515][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080516][T10975]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  592.080518][T10975]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  592.080520][T10975]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  592.080521][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080523][T10975]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  592.080526][T10975]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  592.080528][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080529][T10975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  592.080531][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080532][T10975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  592.080534][T10975]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  592.080536][T10975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  592.080538][T10975]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  592.080539][T10975]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  592.080542][T10975]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  592.080544][T10975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  592.080546][T10975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  592.080548][T10975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  592.080550][T10975]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  592.080553][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080554][T10975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  592.080557][T10975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  592.080559][T10975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  592.080561][T10975]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  592.080564][T10975]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  592.080566][T10975]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  592.080568][T10975]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  592.080570][T10975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  592.080572][T10975]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  592.080577][T10975]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  592.080580][T10975]  ____sys_sendmsg (net/socket.c:2713)
[  592.080583][T10975]  ? copy_msghdr_from_user (net/socket.c:2650)
[  592.080585][T10975]  ? sock_write_iter (net/socket.c:1269)
[  592.080586][T10975]  ? move_addr_to_kernel (net/socket.c:258)
[  592.080588][T10975]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  592.080591][T10975]  ___sys_sendmsg (net/socket.c:2767)
[  592.080593][T10975]  ? copy_msghdr_from_user (net/socket.c:2619)
[  592.080598][T10975]  __sys_sendmsg (net/socket.c:2799)
[  592.080601][T10975]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  592.080604][T10975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  592.080606][T10975]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  592.080608][T10975]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  592.080610][T10975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  592.080612][T10975] RIP: 0033:0x7f486e5d854e
[  592.080614][T10975] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  592.080616][T10975] RSP: 002b:00007ffe410ff370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  592.080620][T10975] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f486e5d854e
[  592.080622][T10975] RDX: 0000000000000000 RSI: 00007ffe410ff420 RDI: 0000000000000005
[  592.080623][T10975] RBP: 00007ffe410ff380 R08: 0000000000000000 R09: 0000000000000000
[  592.080624][T10975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912779
[  592.080626][T10975] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe410ffae0
| [  593.469376][T11025] softirqs last disabled at (0): 0x0
| [  593.469378][T11025] Preemption disabled at:
| [  593.469379][T11025] vprintk_emit (kernel/printk/printk.c:2471)
| [  593.469389][T11025] Tainted: [W]=WARN
[  593.469390][T11025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  593.469392][T11025] Call Trace:
[  593.469394][T11025]  <TASK>
[  593.469395][T11025]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  593.469401][T11025]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  593.469402][T11025]  __might_resched.cold (kernel/sched/core.c:9234)
[  593.469406][T11025]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  593.469409][T11025]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  593.469412][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469414][T11025]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  593.469417][T11025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  593.469420][T11025]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  593.469426][T11025]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  593.469428][T11025]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  593.469430][T11025]  put_chars (drivers/char/virtio_console.c:1176)
[  593.469432][T11025]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  593.469434][T11025]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  593.469439][T11025]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  593.469444][T11025]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  593.469446][T11025]  ? vsnprintf (lib/vsprintf.c:2900)
[  593.469450][T11025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  593.469451][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469453][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469455][T11025]  console_emit_next_record (kernel/printk/printk.c:3183)
[  593.469457][T11025]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  593.469460][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469461][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469462][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469463][T11025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.469466][T11025]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  593.469468][T11025]  console_flush_one_record (kernel/printk/printk.c:3268)
[  593.469470][T11025]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  593.469473][T11025]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  593.469475][T11025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.469477][T11025]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  593.469479][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469480][T11025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  593.469482][T11025]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  593.469483][T11025]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  593.469485][T11025]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  593.469487][T11025]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  593.469489][T11025]  vprintk_emit (kernel/printk/printk.c:2479)
[  593.469490][T11025]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  593.469492][T11025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  593.469494][T11025]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  593.469496][T11025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.469498][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469500][T11025]  _printk (kernel/printk/printk.c:2504)
[  593.469503][T11025]  ? snapshot_read.cold (user.c:?)
[  593.469505][T11025]  ? br_multicast_flood (??:?)
[  593.469509][T11025]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  593.469513][T11025]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  593.469515][T11025]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  593.469517][T11025]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  593.469521][T11025]  br_init_port (net/bridge/br_stp_if.c:39)
[  593.469522][T11025]  new_nbp (net/bridge/br_if.c:449)
[  593.469525][T11025]  br_add_if (net/bridge/br_if.c:592)
[  593.469527][T11025]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  593.469531][T11025]  do_set_master (net/core/rtnetlink.c:3071)
[  593.469533][T11025]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  593.469535][T11025]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  593.469537][T11025]  ? __dev_get_by_name (net/core/dev.c:905)
[  593.469539][T11025]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  593.469543][T11025]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  593.469545][T11025]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  593.469548][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469549][T11025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  593.469550][T11025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.469552][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469553][T11025]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  593.469556][T11025]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  593.469558][T11025]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  593.469560][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469562][T11025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.469563][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469565][T11025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  593.469566][T11025]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  593.469568][T11025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  593.469569][T11025]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  593.469571][T11025]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  593.469575][T11025]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  593.469578][T11025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  593.469579][T11025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  593.469581][T11025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  593.469583][T11025]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  593.469586][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469588][T11025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  593.469591][T11025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  593.469595][T11025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  593.469598][T11025]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  593.469600][T11025]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  593.469603][T11025]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  593.469606][T11025]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  593.469608][T11025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.469610][T11025]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  593.469613][T11025]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  593.469616][T11025]  ____sys_sendmsg (net/socket.c:2713)
[  593.469618][T11025]  ? copy_msghdr_from_user (net/socket.c:2650)
[  593.469620][T11025]  ? sock_write_iter (net/socket.c:1269)
[  593.469622][T11025]  ? move_addr_to_kernel (net/socket.c:258)
[  593.469624][T11025]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  593.469627][T11025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  593.469629][T11025]  ___sys_sendmsg (net/socket.c:2767)
[  593.469631][T11025]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  593.469633][T11025]  ? copy_msghdr_from_user (net/socket.c:2619)
[  593.469634][T11025]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  593.469639][T11025]  __sys_sendmsg (net/socket.c:2799)
[  593.469642][T11025]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  593.469644][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469646][T11025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  593.469649][T11025]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  593.469652][T11025]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  593.469655][T11025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  593.469657][T11025] RIP: 0033:0x7f6316aa454e
[  593.469659][T11025] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  593.469661][T11025] RSP: 002b:00007fffc57706b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  593.469664][T11025] RAX: ffffffffffffffda RBX: 00007fffc5770e78 RCX: 00007f6316aa454e
[  593.469666][T11025] RDX: 0000000000000000 RSI: 00007fffc5770760 RDI: 0000000000000005
[  593.469667][T11025] RBP: 00007fffc57706c0 R08: 0000000000000000 R09: 0000000000000000
[  593.469668][T11025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91277a
[  593.469669][T11025] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc5770e30
| [  600.505462][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  600.505465][   T71] Preemption disabled at:
| [  600.505466][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  600.505480][   T71] Tainted: [W]=WARN
[  600.505482][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  600.505485][   T71] Workqueue: netns cleanup_net
[  600.505492][   T71] Call Trace:
[  600.505494][   T71]  <TASK>
[  600.505496][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  600.505503][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  600.505505][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  600.505509][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  600.505513][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  600.505517][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.505521][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  600.505525][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  600.505529][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  600.505535][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  600.505538][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  600.505541][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  600.505544][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  600.505547][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  600.505551][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  600.505557][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  600.505560][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  600.505563][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  600.505566][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.505568][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.505571][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  600.505575][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  600.505578][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.505580][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.505582][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.505584][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.505588][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  600.505591][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  600.505594][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  600.505599][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  600.505602][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.505604][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  600.505607][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.505609][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  600.505611][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  600.505614][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  600.505617][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  600.505620][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  600.505623][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  600.505626][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  600.505629][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  600.505631][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  600.505635][   T71]  ? kthread (kernel/kthread.c:436)
[  600.505638][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  600.505642][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  600.505646][   T71]  _printk (kernel/printk/printk.c:2504)
[  600.505650][   T71]  ? snapshot_read.cold (user.c:?)
[  600.505654][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  600.505658][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  600.505662][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  600.505665][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  600.505669][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.505671][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  600.505674][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  600.505678][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  600.505680][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  600.505683][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  600.505686][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  600.505690][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  600.505695][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  600.505699][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  600.505702][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  600.505706][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  600.505709][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  600.505713][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  600.505716][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  600.505720][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.505722][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.505725][   T71]  process_one_work (kernel/workqueue.c:3387)
[  600.505730][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  600.505735][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  600.505739][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  600.505742][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  600.505745][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  600.505748][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  600.505752][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  600.505754][   T71]  kthread (kernel/kthread.c:436)
[  600.505757][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  600.505759][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  600.505763][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  600.505765][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  600.505769][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  600.505773][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  600.505776][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  602.114744][T11187] softirqs last disabled at (0): 0x0
| [  602.114747][T11187] Preemption disabled at:
| [  602.114748][T11187] vprintk_emit (kernel/printk/printk.c:2471)
| [  602.114760][T11187] Tainted: [W]=WARN
[  602.114762][T11187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  602.114764][T11187] Call Trace:
[  602.114766][T11187]  <TASK>
[  602.114768][T11187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  602.114775][T11187]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  602.114777][T11187]  __might_resched.cold (kernel/sched/core.c:9234)
[  602.114782][T11187]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  602.114785][T11187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  602.114790][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.114793][T11187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  602.114797][T11187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.114801][T11187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  602.114807][T11187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  602.114810][T11187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  602.114813][T11187]  put_chars (drivers/char/virtio_console.c:1176)
[  602.114816][T11187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  602.114819][T11187]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  602.114823][T11187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  602.114829][T11187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  602.114832][T11187]  ? vsnprintf (lib/vsprintf.c:2900)
[  602.114836][T11187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.114838][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.114840][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.114843][T11187]  console_emit_next_record (kernel/printk/printk.c:3183)
[  602.114847][T11187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  602.114850][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.114852][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.114854][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.114856][T11187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.114859][T11187]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  602.114862][T11187]  console_flush_one_record (kernel/printk/printk.c:3268)
[  602.114865][T11187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  602.114870][T11187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  602.114872][T11187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.114875][T11187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  602.114878][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.114879][T11187]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.114882][T11187]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  602.114884][T11187]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  602.114887][T11187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  602.114890][T11187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  602.114892][T11187]  vprintk_emit (kernel/printk/printk.c:2479)
[  602.114895][T11187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  602.114897][T11187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.114900][T11187]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  602.114903][T11187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.114905][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.114908][T11187]  _printk (kernel/printk/printk.c:2504)
[  602.114912][T11187]  ? snapshot_read.cold (user.c:?)
[  602.114915][T11187]  ? br_multicast_flood (??:?)
[  602.114919][T11187]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  602.114923][T11187]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  602.114924][T11187]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  602.114928][T11187]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  602.114932][T11187]  br_init_port (net/bridge/br_stp_if.c:39)
[  602.114934][T11187]  new_nbp (net/bridge/br_if.c:449)
[  602.114937][T11187]  br_add_if (net/bridge/br_if.c:592)
[  602.114940][T11187]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  602.114946][T11187]  do_set_master (net/core/rtnetlink.c:3071)
[  602.114949][T11187]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  602.114952][T11187]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  602.114954][T11187]  ? __dev_get_by_name (net/core/dev.c:905)
[  602.114957][T11187]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  602.114963][T11187]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  602.114967][T11187]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  602.114971][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.114978][T11187]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  602.114980][T11187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.114982][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.114985][T11187]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  602.114989][T11187]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  602.114992][T11187]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  602.114995][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.114997][T11187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.114999][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.115001][T11187]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  602.115004][T11187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  602.115006][T11187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  602.115009][T11187]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  602.115011][T11187]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  602.115016][T11187]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  602.115021][T11187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  602.115023][T11187]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.115025][T11187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  602.115028][T11187]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  602.115032][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.115034][T11187]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.115038][T11187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  602.115041][T11187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  602.115044][T11187]  ? next_uptodate_folio (mm/filemap.c:3747)
[  602.115048][T11187]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  602.115052][T11187]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  602.115055][T11187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.115057][T11187]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  602.115062][T11187]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  602.115066][T11187]  ____sys_sendmsg (net/socket.c:2713)
[  602.115068][T11187]  ? copy_msghdr_from_user (net/socket.c:2650)
[  602.115071][T11187]  ? sock_write_iter (net/socket.c:1269)
[  602.115073][T11187]  ? move_addr_to_kernel (net/socket.c:258)
[  602.115077][T11187]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  602.115080][T11187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.115083][T11187]  ___sys_sendmsg (net/socket.c:2767)
[  602.115085][T11187]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  602.115088][T11187]  ? copy_msghdr_from_user (net/socket.c:2619)
[  602.115091][T11187]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  602.115099][T11187]  __sys_sendmsg (net/socket.c:2799)
[  602.115102][T11187]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  602.115106][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.115108][T11187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.115110][T11187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  602.115114][T11187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  602.115117][T11187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  602.115120][T11187] RIP: 0033:0x7f4942e0754e
[  602.115123][T11187] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  602.115126][T11187] RSP: 002b:00007fff44bb9bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  602.115130][T11187] RAX: ffffffffffffffda RBX: 00007fff44bba3b8 RCX: 00007f4942e0754e
[  602.115133][T11187] RDX: 0000000000000000 RSI: 00007fff44bb9ca0 RDI: 0000000000000005
[  602.115134][T11187] RBP: 00007fff44bb9c00 R08: 0000000000000000 R09: 0000000000000000
[  602.115135][T11187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912783
[  602.115137][T11187] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff44bba370
| [  603.772450][T11256] softirqs last disabled at (0): 0x0
| [  603.772452][T11256] Preemption disabled at:
| [  603.772453][T11256] vprintk_emit (kernel/printk/printk.c:2471)
| [  603.772463][T11256] Tainted: [W]=WARN
[  603.772464][T11256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  603.772466][T11256] Call Trace:
[  603.772468][T11256]  <TASK>
[  603.772469][T11256]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  603.772475][T11256]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  603.772476][T11256]  __might_resched.cold (kernel/sched/core.c:9234)
[  603.772480][T11256]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  603.772484][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772486][T11256]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  603.772489][T11256]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  603.772493][T11256]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  603.772498][T11256]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  603.772499][T11256]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  603.772502][T11256]  put_chars (drivers/char/virtio_console.c:1176)
[  603.772504][T11256]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  603.772505][T11256]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  603.772508][T11256]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  603.772510][T11256]  ? pointer (lib/vsprintf.c:2577)
[  603.772514][T11256]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  603.772519][T11256]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  603.772521][T11256]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  603.772523][T11256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.772525][T11256]  console_emit_next_record (kernel/printk/printk.c:3183)
[  603.772528][T11256]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  603.772531][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772532][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772533][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772534][T11256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.772536][T11256]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  603.772538][T11256]  console_flush_one_record (kernel/printk/printk.c:3268)
[  603.772541][T11256]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  603.772544][T11256]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  603.772546][T11256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.772548][T11256]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  603.772550][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772551][T11256]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  603.772553][T11256]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  603.772554][T11256]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  603.772556][T11256]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  603.772559][T11256]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  603.772560][T11256]  vprintk_emit (kernel/printk/printk.c:2479)
[  603.772562][T11256]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  603.772563][T11256]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  603.772566][T11256]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  603.772569][T11256]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  603.772571][T11256]  _printk (kernel/printk/printk.c:2504)
[  603.772575][T11256]  ? snapshot_read.cold (user.c:?)
[  603.772577][T11256]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  603.772579][T11256]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  603.772582][T11256]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  603.772584][T11256]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  603.772588][T11256]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  603.772590][T11256]  ? netdev_notice (net/core/dev.c:13194)
[  603.772593][T11256]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  603.772594][T11256]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  603.772597][T11256]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  603.772599][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772600][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772602][T11256]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  603.772603][T11256]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  603.772605][T11256]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  603.772606][T11256]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  603.772608][T11256]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  603.772610][T11256]  ? register_netdev (net/core/dev.c:11618)
[  603.772611][T11256]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  603.772614][T11256]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  603.772617][T11256]  ? __kernel_text_address (kernel/extable.c:79)
[  603.772619][T11256]  ? write_profile (profile.c:?)
[  603.772622][T11256]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  603.772626][T11256]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  603.772628][T11256]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  603.772630][T11256]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  603.772631][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772632][T11256]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  603.772636][T11256]  ? kasan_save_stack (mm/kasan/common.c:58)
[  603.772637][T11256]  ? kasan_save_stack (mm/kasan/common.c:57)
[  603.772639][T11256]  ? kasan_save_track (mm/kasan/common.c:78)
[  603.772640][T11256]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  603.772641][T11256]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  603.772642][T11256]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  603.772644][T11256]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  603.772645][T11256]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  603.772648][T11256]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  603.772650][T11256]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  603.772652][T11256]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  603.772654][T11256]  ? ____sys_sendmsg (net/socket.c:2713)
[  603.772656][T11256]  ? ___sys_sendmsg (net/socket.c:2767)
[  603.772657][T11256]  ? __sys_sendmsg (net/socket.c:2799)
[  603.772659][T11256]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  603.772662][T11256]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  603.772664][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772666][T11256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.772668][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772669][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772670][T11256]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  603.772671][T11256]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  603.772673][T11256]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  603.772674][T11256]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  603.772676][T11256]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  603.772677][T11256]  ? nla_get_range_signed (lib/nlattr.c:270)
[  603.772681][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772682][T11256]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  603.772685][T11256]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  603.772687][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772688][T11256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  603.772689][T11256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.772691][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772693][T11256]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  603.772695][T11256]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  603.772697][T11256]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  603.772698][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772700][T11256]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  603.772703][T11256]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  603.772705][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772706][T11256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.772708][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772709][T11256]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  603.772711][T11256]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  603.772713][T11256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  603.772714][T11256]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  603.772716][T11256]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  603.772718][T11256]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  603.772720][T11256]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  603.772722][T11256]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  603.772724][T11256]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  603.772725][T11256]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  603.772729][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772730][T11256]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  603.772732][T11256]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  603.772735][T11256]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  603.772737][T11256]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  603.772739][T11256]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  603.772741][T11256]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  603.772743][T11256]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  603.772745][T11256]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  603.772746][T11256]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  603.772750][T11256]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  603.772752][T11256]  ____sys_sendmsg (net/socket.c:2713)
[  603.772754][T11256]  ? copy_msghdr_from_user (net/socket.c:2650)
[  603.772755][T11256]  ? sock_write_iter (net/socket.c:1269)
[  603.772757][T11256]  ? move_addr_to_kernel (net/socket.c:258)
[  603.772759][T11256]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  603.772762][T11256]  ___sys_sendmsg (net/socket.c:2767)
[  603.772764][T11256]  ? copy_msghdr_from_user (net/socket.c:2619)
[  603.772769][T11256]  __sys_sendmsg (net/socket.c:2799)
[  603.772771][T11256]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  603.772774][T11256]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  603.772775][T11256]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  603.772778][T11256]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  603.772780][T11256]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  603.772781][T11256] RIP: 0033:0x7fc3993f754e
[  603.772783][T11256] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  603.772785][T11256] RSP: 002b:00007ffc942b83c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  603.772789][T11256] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc3993f754e
[  603.772791][T11256] RDX: 0000000000000000 RSI: 00007ffc942b8470 RDI: 0000000000000005
[  603.772792][T11256] RBP: 00007ffc942b83d0 R08: 0000000000000000 R09: 0000000000000000
[  603.772792][T11256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912785
[  603.772793][T11256] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc942b8b30
| [  605.053904][T11313] softirqs last disabled at (0): 0x0
| [  605.053906][T11313] Preemption disabled at:
| [  605.053907][T11313] vprintk_emit (kernel/printk/printk.c:2471)
| [  605.053917][T11313] Tainted: [W]=WARN
[  605.053918][T11313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  605.053920][T11313] Call Trace:
[  605.053921][T11313]  <TASK>
[  605.053923][T11313]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  605.053928][T11313]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  605.053930][T11313]  __might_resched.cold (kernel/sched/core.c:9234)
[  605.053934][T11313]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  605.053936][T11313]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  605.053939][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.053942][T11313]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  605.053945][T11313]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.053948][T11313]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.053955][T11313]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  605.053957][T11313]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  605.053961][T11313]  put_chars (drivers/char/virtio_console.c:1176)
[  605.053964][T11313]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  605.053967][T11313]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  605.053971][T11313]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  605.053975][T11313]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  605.053977][T11313]  ? vsnprintf (lib/vsprintf.c:2900)
[  605.053981][T11313]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.053982][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.053984][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.053986][T11313]  console_emit_next_record (kernel/printk/printk.c:3183)
[  605.053989][T11313]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  605.053991][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.053998][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.053999][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.054000][T11313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.054003][T11313]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  605.054005][T11313]  console_flush_one_record (kernel/printk/printk.c:3268)
[  605.054007][T11313]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  605.054010][T11313]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  605.054012][T11313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.054014][T11313]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  605.054016][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.054017][T11313]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  605.054019][T11313]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  605.054020][T11313]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  605.054022][T11313]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  605.054024][T11313]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  605.054026][T11313]  vprintk_emit (kernel/printk/printk.c:2479)
[  605.054028][T11313]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  605.054029][T11313]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  605.054031][T11313]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  605.054034][T11313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.054035][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.054037][T11313]  _printk (kernel/printk/printk.c:2504)
[  605.054040][T11313]  ? snapshot_read.cold (user.c:?)
[  605.054042][T11313]  ? br_multicast_flood (??:?)
[  605.054046][T11313]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  605.054049][T11313]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  605.054050][T11313]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  605.054052][T11313]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  605.054056][T11313]  br_init_port (net/bridge/br_stp_if.c:39)
[  605.054057][T11313]  new_nbp (net/bridge/br_if.c:449)
[  605.054060][T11313]  br_add_if (net/bridge/br_if.c:592)
[  605.054062][T11313]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  605.054066][T11313]  do_set_master (net/core/rtnetlink.c:3071)
[  605.054068][T11313]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  605.054070][T11313]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  605.054072][T11313]  ? __dev_get_by_name (net/core/dev.c:905)
[  605.054073][T11313]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  605.054078][T11313]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  605.054080][T11313]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  605.054083][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.054084][T11313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.054085][T11313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.054087][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.054089][T11313]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  605.054091][T11313]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  605.054093][T11313]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  605.054096][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.054097][T11313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.054099][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.054100][T11313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  605.054102][T11313]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  605.054104][T11313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.054105][T11313]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  605.054107][T11313]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  605.054111][T11313]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  605.054114][T11313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  605.054116][T11313]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  605.054118][T11313]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  605.054119][T11313]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  605.054122][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.054124][T11313]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  605.054126][T11313]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  605.054128][T11313]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  605.054131][T11313]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  605.054133][T11313]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  605.054136][T11313]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  605.054139][T11313]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  605.054141][T11313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.054142][T11313]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  605.054146][T11313]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  605.054149][T11313]  ____sys_sendmsg (net/socket.c:2713)
[  605.054151][T11313]  ? copy_msghdr_from_user (net/socket.c:2650)
[  605.054153][T11313]  ? sock_write_iter (net/socket.c:1269)
[  605.054154][T11313]  ? move_addr_to_kernel (net/socket.c:258)
[  605.054157][T11313]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  605.054159][T11313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  605.054161][T11313]  ___sys_sendmsg (net/socket.c:2767)
[  605.054163][T11313]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  605.054165][T11313]  ? copy_msghdr_from_user (net/socket.c:2619)
[  605.054167][T11313]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  605.054172][T11313]  __sys_sendmsg (net/socket.c:2799)
[  605.054174][T11313]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  605.054177][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.054178][T11313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  605.054180][T11313]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  605.054182][T11313]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  605.054185][T11313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  605.054187][T11313] RIP: 0033:0x7fd2bbc6754e
[  605.054189][T11313] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  605.054191][T11313] RSP: 002b:00007ffce0a7a440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  605.054195][T11313] RAX: ffffffffffffffda RBX: 00007ffce0a7ac08 RCX: 00007fd2bbc6754e
[  605.054198][T11313] RDX: 0000000000000000 RSI: 00007ffce0a7a4f0 RDI: 0000000000000005
[  605.054199][T11313] RBP: 00007ffce0a7a450 R08: 0000000000000000 R09: 0000000000000000
[  605.054200][T11313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912786
[  605.054201][T11313] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce0a7abc0
| [  612.169942][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  612.169945][   T71] Preemption disabled at:
| [  612.169946][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  612.169957][   T71] Tainted: [W]=WARN
[  612.169958][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  612.169960][   T71] Workqueue: netns cleanup_net
[  612.169966][   T71] Call Trace:
[  612.169967][   T71]  <TASK>
[  612.169969][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  612.169975][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  612.169977][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  612.169980][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  612.169983][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  612.169986][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.169989][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  612.169992][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.169995][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  612.170000][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  612.170002][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  612.170005][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  612.170006][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  612.170008][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  612.170011][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  612.170015][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  612.170017][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  612.170020][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.170021][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.170022][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.170024][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  612.170027][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  612.170029][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.170031][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.170032][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.170033][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.170035][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  612.170037][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  612.170040][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  612.170052][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  612.170054][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.170055][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  612.170057][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.170058][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  612.170060][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  612.170062][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  612.170063][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  612.170066][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  612.170067][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  612.170069][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  612.170070][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  612.170072][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  612.170075][   T71]  ? kthread (kernel/kthread.c:436)
[  612.170077][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  612.170079][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  612.170082][   T71]  _printk (kernel/printk/printk.c:2504)
[  612.170085][   T71]  ? snapshot_read.cold (user.c:?)
[  612.170087][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  612.170091][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  612.170093][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  612.170095][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  612.170098][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.170099][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  612.170100][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  612.170103][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  612.170105][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  612.170106][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  612.170109][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  612.170112][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  612.170116][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  612.170118][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  612.170120][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  612.170123][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  612.170125][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  612.170128][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  612.170130][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  612.170132][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.170134][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.170135][   T71]  process_one_work (kernel/workqueue.c:3387)
[  612.170138][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  612.170141][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.170144][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  612.170146][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  612.170148][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  612.170150][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  612.170152][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  612.170154][   T71]  kthread (kernel/kthread.c:436)
[  612.170156][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  612.170157][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  612.170160][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  612.170161][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  612.170163][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  612.170166][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  612.170168][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  613.726665][T11475] softirqs last disabled at (0): 0x0
| [  613.726667][T11475] Preemption disabled at:
| [  613.726668][T11475] vprintk_emit (kernel/printk/printk.c:2471)
| [  613.726678][T11475] Tainted: [W]=WARN
[  613.726680][T11475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  613.726682][T11475] Call Trace:
[  613.726683][T11475]  <TASK>
[  613.726685][T11475]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  613.726690][T11475]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  613.726692][T11475]  __might_resched.cold (kernel/sched/core.c:9234)
[  613.726696][T11475]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  613.726698][T11475]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  613.726701][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726704][T11475]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  613.726707][T11475]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.726710][T11475]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.726716][T11475]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  613.726717][T11475]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.726720][T11475]  put_chars (drivers/char/virtio_console.c:1176)
[  613.726722][T11475]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  613.726724][T11475]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  613.726726][T11475]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  613.726731][T11475]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  613.726733][T11475]  ? vsnprintf (lib/vsprintf.c:2900)
[  613.726737][T11475]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.726738][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726740][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726741][T11475]  console_emit_next_record (kernel/printk/printk.c:3183)
[  613.726744][T11475]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  613.726747][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726748][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726749][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726750][T11475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.726752][T11475]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  613.726754][T11475]  console_flush_one_record (kernel/printk/printk.c:3268)
[  613.726757][T11475]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  613.726760][T11475]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  613.726762][T11475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.726764][T11475]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  613.726765][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726767][T11475]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.726768][T11475]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  613.726770][T11475]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  613.726771][T11475]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  613.726773][T11475]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  613.726775][T11475]  vprintk_emit (kernel/printk/printk.c:2479)
[  613.726777][T11475]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  613.726778][T11475]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.726780][T11475]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  613.726783][T11475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.726785][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726786][T11475]  _printk (kernel/printk/printk.c:2504)
[  613.726789][T11475]  ? snapshot_read.cold (user.c:?)
[  613.726791][T11475]  ? br_multicast_flood (??:?)
[  613.726795][T11475]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  613.726797][T11475]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  613.726798][T11475]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  613.726800][T11475]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  613.726803][T11475]  br_init_port (net/bridge/br_stp_if.c:39)
[  613.726805][T11475]  new_nbp (net/bridge/br_if.c:449)
[  613.726808][T11475]  br_add_if (net/bridge/br_if.c:592)
[  613.726809][T11475]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  613.726814][T11475]  do_set_master (net/core/rtnetlink.c:3071)
[  613.726816][T11475]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  613.726818][T11475]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  613.726819][T11475]  ? __dev_get_by_name (net/core/dev.c:905)
[  613.726821][T11475]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  613.726825][T11475]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  613.726828][T11475]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  613.726830][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726831][T11475]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.726833][T11475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.726834][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726836][T11475]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  613.726839][T11475]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  613.726841][T11475]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  613.726843][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726844][T11475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.726846][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726847][T11475]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.726849][T11475]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  613.726850][T11475]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.726852][T11475]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  613.726854][T11475]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  613.726857][T11475]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  613.726860][T11475]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.726862][T11475]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.726864][T11475]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  613.726865][T11475]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  613.726869][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726870][T11475]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.726872][T11475]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  613.726874][T11475]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  613.726877][T11475]  ? next_uptodate_folio (mm/filemap.c:3747)
[  613.726880][T11475]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  613.726882][T11475]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  613.726884][T11475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.726886][T11475]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  613.726890][T11475]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  613.726893][T11475]  ____sys_sendmsg (net/socket.c:2713)
[  613.726895][T11475]  ? copy_msghdr_from_user (net/socket.c:2650)
[  613.726897][T11475]  ? sock_write_iter (net/socket.c:1269)
[  613.726898][T11475]  ? move_addr_to_kernel (net/socket.c:258)
[  613.726901][T11475]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  613.726903][T11475]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.726906][T11475]  ___sys_sendmsg (net/socket.c:2767)
[  613.726907][T11475]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  613.726909][T11475]  ? copy_msghdr_from_user (net/socket.c:2619)
[  613.726911][T11475]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  613.726916][T11475]  __sys_sendmsg (net/socket.c:2799)
[  613.726918][T11475]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  613.726921][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726922][T11475]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.726924][T11475]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  613.726926][T11475]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  613.726929][T11475]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  613.726931][T11475] RIP: 0033:0x7f74f3ddc54e
[  613.726933][T11475] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  613.726935][T11475] RSP: 002b:00007ffc2653c540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  613.726939][T11475] RAX: ffffffffffffffda RBX: 00007ffc2653cd08 RCX: 00007f74f3ddc54e
[  613.726940][T11475] RDX: 0000000000000000 RSI: 00007ffc2653c5f0 RDI: 0000000000000005
[  613.726941][T11475] RBP: 00007ffc2653c550 R08: 0000000000000000 R09: 0000000000000000
[  613.726942][T11475] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91278f
[  613.726943][T11475] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2653ccc0
| [  615.729107][T11543] softirqs last disabled at (0): 0x0
| [  615.729109][T11543] Preemption disabled at:
| [  615.729110][T11543] vprintk_emit (kernel/printk/printk.c:2471)
| [  615.729120][T11543] Tainted: [W]=WARN
[  615.729122][T11543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  615.729124][T11543] Call Trace:
[  615.729125][T11543]  <TASK>
[  615.729126][T11543]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  615.729132][T11543]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  615.729133][T11543]  __might_resched.cold (kernel/sched/core.c:9234)
[  615.729137][T11543]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  615.729141][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729144][T11543]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  615.729147][T11543]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  615.729150][T11543]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  615.729156][T11543]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  615.729158][T11543]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  615.729160][T11543]  put_chars (drivers/char/virtio_console.c:1176)
[  615.729162][T11543]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  615.729163][T11543]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  615.729166][T11543]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  615.729168][T11543]  ? pointer (lib/vsprintf.c:2577)
[  615.729172][T11543]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  615.729177][T11543]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  615.729179][T11543]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  615.729181][T11543]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.729183][T11543]  console_emit_next_record (kernel/printk/printk.c:3183)
[  615.729186][T11543]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  615.729189][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729190][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729191][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729192][T11543]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.729198][T11543]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  615.729200][T11543]  console_flush_one_record (kernel/printk/printk.c:3268)
[  615.729203][T11543]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  615.729206][T11543]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  615.729208][T11543]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.729210][T11543]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  615.729212][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729213][T11543]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  615.729215][T11543]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  615.729216][T11543]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  615.729218][T11543]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  615.729220][T11543]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  615.729222][T11543]  vprintk_emit (kernel/printk/printk.c:2479)
[  615.729224][T11543]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  615.729225][T11543]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  615.729228][T11543]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  615.729231][T11543]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  615.729234][T11543]  _printk (kernel/printk/printk.c:2504)
[  615.729237][T11543]  ? snapshot_read.cold (user.c:?)
[  615.729239][T11543]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  615.729241][T11543]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  615.729245][T11543]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  615.729247][T11543]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  615.729250][T11543]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  615.729253][T11543]  ? netdev_notice (net/core/dev.c:13194)
[  615.729255][T11543]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  615.729257][T11543]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  615.729260][T11543]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  615.729261][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729263][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729264][T11543]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  615.729265][T11543]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  615.729267][T11543]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  615.729269][T11543]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  615.729270][T11543]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  615.729272][T11543]  ? register_netdev (net/core/dev.c:11618)
[  615.729273][T11543]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  615.729275][T11543]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  615.729278][T11543]  ? __kernel_text_address (kernel/extable.c:79)
[  615.729280][T11543]  ? write_profile (profile.c:?)
[  615.729283][T11543]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  615.729287][T11543]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  615.729289][T11543]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  615.729291][T11543]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  615.729292][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729294][T11543]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  615.729297][T11543]  ? kasan_save_stack (mm/kasan/common.c:58)
[  615.729299][T11543]  ? kasan_save_stack (mm/kasan/common.c:57)
[  615.729300][T11543]  ? kasan_save_track (mm/kasan/common.c:78)
[  615.729302][T11543]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  615.729303][T11543]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  615.729304][T11543]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  615.729305][T11543]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  615.729307][T11543]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  615.729310][T11543]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  615.729312][T11543]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  615.729313][T11543]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  615.729316][T11543]  ? ____sys_sendmsg (net/socket.c:2713)
[  615.729317][T11543]  ? ___sys_sendmsg (net/socket.c:2767)
[  615.729319][T11543]  ? __sys_sendmsg (net/socket.c:2799)
[  615.729321][T11543]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  615.729323][T11543]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  615.729326][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729327][T11543]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.729329][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729330][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729331][T11543]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  615.729333][T11543]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  615.729334][T11543]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  615.729335][T11543]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  615.729337][T11543]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  615.729338][T11543]  ? nla_get_range_signed (lib/nlattr.c:270)
[  615.729342][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729343][T11543]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  615.729345][T11543]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  615.729348][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729349][T11543]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  615.729350][T11543]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.729352][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729354][T11543]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  615.729356][T11543]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  615.729358][T11543]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  615.729359][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729360][T11543]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  615.729364][T11543]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  615.729367][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729369][T11543]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.729372][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729374][T11543]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  615.729376][T11543]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  615.729379][T11543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  615.729382][T11543]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  615.729385][T11543]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  615.729389][T11543]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  615.729392][T11543]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  615.729394][T11543]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  615.729396][T11543]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  615.729398][T11543]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  615.729401][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729402][T11543]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  615.729404][T11543]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  615.729407][T11543]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  615.729409][T11543]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  615.729411][T11543]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  615.729413][T11543]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  615.729415][T11543]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  615.729417][T11543]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.729419][T11543]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  615.729422][T11543]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  615.729424][T11543]  ____sys_sendmsg (net/socket.c:2713)
[  615.729426][T11543]  ? copy_msghdr_from_user (net/socket.c:2650)
[  615.729428][T11543]  ? sock_write_iter (net/socket.c:1269)
[  615.729430][T11543]  ? move_addr_to_kernel (net/socket.c:258)
[  615.729431][T11543]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  615.729434][T11543]  ___sys_sendmsg (net/socket.c:2767)
[  615.729436][T11543]  ? copy_msghdr_from_user (net/socket.c:2619)
[  615.729441][T11543]  __sys_sendmsg (net/socket.c:2799)
[  615.729444][T11543]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  615.729447][T11543]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.729448][T11543]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  615.729450][T11543]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  615.729453][T11543]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  615.729454][T11543] RIP: 0033:0x7f9e3437954e
[  615.729456][T11543] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  615.729458][T11543] RSP: 002b:00007ffc2fb87450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  615.729462][T11543] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9e3437954e
[  615.729463][T11543] RDX: 0000000000000000 RSI: 00007ffc2fb87500 RDI: 0000000000000005
[  615.729465][T11543] RBP: 00007ffc2fb87460 R08: 0000000000000000 R09: 0000000000000000
[  615.729466][T11543] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912791
[  615.729467][T11543] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2fb87bc0
| [  617.420289][T11601] softirqs last disabled at (0): 0x0
| [  617.420291][T11601] Preemption disabled at:
| [  617.420291][T11601] vprintk_emit (kernel/printk/printk.c:2471)
| [  617.420302][T11601] Tainted: [W]=WARN
[  617.420303][T11601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  617.420305][T11601] Call Trace:
[  617.420307][T11601]  <TASK>
[  617.420308][T11601]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  617.420314][T11601]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  617.420316][T11601]  __might_resched.cold (kernel/sched/core.c:9234)
[  617.420320][T11601]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  617.420322][T11601]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  617.420326][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420328][T11601]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  617.420331][T11601]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  617.420335][T11601]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  617.420340][T11601]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  617.420342][T11601]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  617.420345][T11601]  put_chars (drivers/char/virtio_console.c:1176)
[  617.420347][T11601]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  617.420348][T11601]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  617.420351][T11601]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  617.420356][T11601]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  617.420358][T11601]  ? vsnprintf (lib/vsprintf.c:2900)
[  617.420361][T11601]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  617.420363][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420364][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420366][T11601]  console_emit_next_record (kernel/printk/printk.c:3183)
[  617.420368][T11601]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  617.420371][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420372][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420373][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420374][T11601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.420376][T11601]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  617.420378][T11601]  console_flush_one_record (kernel/printk/printk.c:3268)
[  617.420381][T11601]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  617.420384][T11601]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  617.420386][T11601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.420387][T11601]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  617.420389][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420390][T11601]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  617.420392][T11601]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  617.420394][T11601]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  617.420395][T11601]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  617.420397][T11601]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  617.420399][T11601]  vprintk_emit (kernel/printk/printk.c:2479)
[  617.420401][T11601]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  617.420402][T11601]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  617.420404][T11601]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  617.420407][T11601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.420408][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420410][T11601]  _printk (kernel/printk/printk.c:2504)
[  617.420413][T11601]  ? snapshot_read.cold (user.c:?)
[  617.420415][T11601]  ? br_multicast_flood (??:?)
[  617.420419][T11601]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  617.420421][T11601]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  617.420423][T11601]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  617.420425][T11601]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  617.420428][T11601]  br_init_port (net/bridge/br_stp_if.c:39)
[  617.420429][T11601]  new_nbp (net/bridge/br_if.c:449)
[  617.420432][T11601]  br_add_if (net/bridge/br_if.c:592)
[  617.420434][T11601]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  617.420438][T11601]  do_set_master (net/core/rtnetlink.c:3071)
[  617.420440][T11601]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  617.420442][T11601]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  617.420443][T11601]  ? __dev_get_by_name (net/core/dev.c:905)
[  617.420445][T11601]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  617.420449][T11601]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  617.420452][T11601]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  617.420454][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420456][T11601]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  617.420457][T11601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.420458][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420460][T11601]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  617.420463][T11601]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  617.420465][T11601]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  617.420467][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420468][T11601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.420469][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420471][T11601]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  617.420472][T11601]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  617.420474][T11601]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  617.420475][T11601]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  617.420477][T11601]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  617.420481][T11601]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  617.420484][T11601]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  617.420486][T11601]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  617.420487][T11601]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  617.420489][T11601]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  617.420492][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420493][T11601]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  617.420496][T11601]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  617.420498][T11601]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  617.420500][T11601]  ? next_uptodate_folio (mm/filemap.c:3747)
[  617.420503][T11601]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  617.420505][T11601]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  617.420507][T11601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.420509][T11601]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  617.420513][T11601]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  617.420516][T11601]  ____sys_sendmsg (net/socket.c:2713)
[  617.420518][T11601]  ? copy_msghdr_from_user (net/socket.c:2650)
[  617.420520][T11601]  ? sock_write_iter (net/socket.c:1269)
[  617.420521][T11601]  ? move_addr_to_kernel (net/socket.c:258)
[  617.420523][T11601]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  617.420526][T11601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  617.420528][T11601]  ___sys_sendmsg (net/socket.c:2767)
[  617.420530][T11601]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  617.420532][T11601]  ? copy_msghdr_from_user (net/socket.c:2619)
[  617.420533][T11601]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  617.420538][T11601]  __sys_sendmsg (net/socket.c:2799)
[  617.420541][T11601]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  617.420543][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420545][T11601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  617.420546][T11601]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  617.420549][T11601]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  617.420551][T11601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  617.420553][T11601] RIP: 0033:0x7f045924b54e
[  617.420555][T11601] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  617.420558][T11601] RSP: 002b:00007ffcd1975570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  617.420561][T11601] RAX: ffffffffffffffda RBX: 00007ffcd1975d38 RCX: 00007f045924b54e
[  617.420563][T11601] RDX: 0000000000000000 RSI: 00007ffcd1975620 RDI: 0000000000000005
[  617.420564][T11601] RBP: 00007ffcd1975580 R08: 0000000000000000 R09: 0000000000000000
[  617.420565][T11601] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912792
[  617.420566][T11601] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd1975cf0
| [  624.644517][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  624.644519][   T71] Preemption disabled at:
| [  624.644520][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  624.644531][   T71] Tainted: [W]=WARN
[  624.644533][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  624.644535][   T71] Workqueue: netns cleanup_net
[  624.644540][   T71] Call Trace:
[  624.644542][   T71]  <TASK>
[  624.644544][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  624.644550][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  624.644551][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  624.644555][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  624.644557][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  624.644560][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.644563][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  624.644566][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  624.644569][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  624.644574][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  624.644576][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  624.644578][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  624.644580][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  624.644582][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  624.644585][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  624.644590][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  624.644592][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  624.644594][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  624.644596][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.644597][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.644599][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  624.644602][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  624.644604][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.644605][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.644606][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.644608][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.644610][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  624.644612][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  624.644615][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  624.644618][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  624.644620][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  624.644621][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  624.644623][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.644624][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  624.644626][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  624.644628][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  624.644630][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  624.644632][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  624.644634][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  624.644636][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  624.644637][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  624.644639][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  624.644642][   T71]  ? kthread (kernel/kthread.c:436)
[  624.644644][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  624.644647][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  624.644650][   T71]  _printk (kernel/printk/printk.c:2504)
[  624.644653][   T71]  ? snapshot_read.cold (user.c:?)
[  624.644656][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  624.644659][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  624.644662][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  624.644664][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  624.644667][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  624.644668][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  624.644670][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  624.644673][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  624.644674][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  624.644676][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  624.644678][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  624.644681][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  624.644684][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  624.644687][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  624.644689][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  624.644692][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  624.644694][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  624.644697][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  624.644699][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  624.644701][   T71]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[  624.644703][   T71]  process_one_work (kernel/workqueue.c:3387)
[  624.644706][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  624.644709][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  624.644712][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  624.644714][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  624.644717][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  624.644719][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  624.644721][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  624.644723][   T71]  kthread (kernel/kthread.c:436)
[  624.644724][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  624.644726][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  624.644728][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  624.644730][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  624.644733][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  624.644735][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  624.644737][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  625.755364][T11719] softirqs last disabled at (0): 0x0
| [  625.755366][T11719] Preemption disabled at:
| [  625.755367][T11719] vprintk_emit (kernel/printk/printk.c:2471)
| [  625.755377][T11719] Tainted: [W]=WARN
[  625.755378][T11719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  625.755381][T11719] Call Trace:
[  625.755382][T11719]  <TASK>
[  625.755384][T11719]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  625.755389][T11719]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  625.755391][T11719]  __might_resched.cold (kernel/sched/core.c:9234)
[  625.755395][T11719]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  625.755398][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755401][T11719]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  625.755404][T11719]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  625.755408][T11719]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  625.755413][T11719]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  625.755415][T11719]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  625.755418][T11719]  put_chars (drivers/char/virtio_console.c:1176)
[  625.755419][T11719]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  625.755421][T11719]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  625.755423][T11719]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  625.755425][T11719]  ? pointer (lib/vsprintf.c:2577)
[  625.755429][T11719]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  625.755434][T11719]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  625.755436][T11719]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  625.755438][T11719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.755440][T11719]  console_emit_next_record (kernel/printk/printk.c:3183)
[  625.755443][T11719]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  625.755445][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755447][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755448][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755449][T11719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.755451][T11719]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  625.755453][T11719]  console_flush_one_record (kernel/printk/printk.c:3268)
[  625.755455][T11719]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  625.755458][T11719]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  625.755460][T11719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.755462][T11719]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  625.755464][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755465][T11719]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  625.755467][T11719]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  625.755468][T11719]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  625.755470][T11719]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  625.755472][T11719]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  625.755474][T11719]  vprintk_emit (kernel/printk/printk.c:2479)
[  625.755476][T11719]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  625.755477][T11719]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  625.755479][T11719]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  625.755482][T11719]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  625.755485][T11719]  _printk (kernel/printk/printk.c:2504)
[  625.755488][T11719]  ? snapshot_read.cold (user.c:?)
[  625.755490][T11719]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  625.755492][T11719]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  625.755496][T11719]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  625.755498][T11719]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.755501][T11719]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  625.755504][T11719]  ? netdev_notice (net/core/dev.c:13194)
[  625.755506][T11719]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  625.755508][T11719]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  625.755510][T11719]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  625.755512][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755513][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755514][T11719]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  625.755516][T11719]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  625.755518][T11719]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  625.755519][T11719]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.755520][T11719]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  625.755522][T11719]  ? register_netdev (net/core/dev.c:11618)
[  625.755524][T11719]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  625.755526][T11719]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  625.755529][T11719]  ? __kernel_text_address (kernel/extable.c:79)
[  625.755532][T11719]  ? write_profile (profile.c:?)
[  625.755535][T11719]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  625.755538][T11719]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  625.755540][T11719]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  625.755542][T11719]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  625.755543][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755545][T11719]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  625.755548][T11719]  ? kasan_save_stack (mm/kasan/common.c:58)
[  625.755550][T11719]  ? kasan_save_stack (mm/kasan/common.c:57)
[  625.755551][T11719]  ? kasan_save_track (mm/kasan/common.c:78)
[  625.755552][T11719]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  625.755553][T11719]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  625.755555][T11719]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  625.755556][T11719]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  625.755557][T11719]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  625.755560][T11719]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  625.755562][T11719]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  625.755563][T11719]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  625.755566][T11719]  ? ____sys_sendmsg (net/socket.c:2713)
[  625.755568][T11719]  ? ___sys_sendmsg (net/socket.c:2767)
[  625.755569][T11719]  ? __sys_sendmsg (net/socket.c:2799)
[  625.755571][T11719]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  625.755573][T11719]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  625.755576][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755577][T11719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.755579][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755580][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755581][T11719]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  625.755583][T11719]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  625.755584][T11719]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  625.755585][T11719]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  625.755587][T11719]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  625.755588][T11719]  ? nla_get_range_signed (lib/nlattr.c:270)
[  625.755592][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755593][T11719]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  625.755595][T11719]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  625.755597][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755599][T11719]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.755600][T11719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.755601][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755603][T11719]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  625.755605][T11719]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  625.755607][T11719]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  625.755608][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755609][T11719]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  625.755613][T11719]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  625.755615][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755616][T11719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.755618][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755619][T11719]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.755621][T11719]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  625.755623][T11719]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  625.755624][T11719]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  625.755626][T11719]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  625.755629][T11719]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  625.755631][T11719]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  625.755633][T11719]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  625.755635][T11719]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  625.755636][T11719]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  625.755640][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755641][T11719]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  625.755643][T11719]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  625.755646][T11719]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  625.755648][T11719]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  625.755650][T11719]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  625.755652][T11719]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  625.755654][T11719]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  625.755656][T11719]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.755657][T11719]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  625.755661][T11719]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  625.755663][T11719]  ____sys_sendmsg (net/socket.c:2713)
[  625.755664][T11719]  ? copy_msghdr_from_user (net/socket.c:2650)
[  625.755666][T11719]  ? sock_write_iter (net/socket.c:1269)
[  625.755668][T11719]  ? move_addr_to_kernel (net/socket.c:258)
[  625.755669][T11719]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  625.755672][T11719]  ___sys_sendmsg (net/socket.c:2767)
[  625.755674][T11719]  ? copy_msghdr_from_user (net/socket.c:2619)
[  625.755679][T11719]  __sys_sendmsg (net/socket.c:2799)
[  625.755681][T11719]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  625.755685][T11719]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.755686][T11719]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  625.755689][T11719]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  625.755691][T11719]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  625.755693][T11719] RIP: 0033:0x7f540d9ef54e
[  625.755695][T11719] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  625.755697][T11719] RSP: 002b:00007ffe3b09fc70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  625.755701][T11719] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f540d9ef54e
[  625.755703][T11719] RDX: 0000000000000000 RSI: 00007ffe3b09fd20 RDI: 0000000000000005
[  625.755704][T11719] RBP: 00007ffe3b09fc80 R08: 0000000000000000 R09: 0000000000000000
[  625.755705][T11719] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91279b
[  625.755707][T11719] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3b0a03e0
| [  627.413579][T11794] softirqs last disabled at (0): 0x0
| [  627.413581][T11794] Preemption disabled at:
| [  627.413582][T11794] vprintk_emit (kernel/printk/printk.c:2471)
| [  627.413592][T11794] Tainted: [W]=WARN
[  627.413593][T11794] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  627.413595][T11794] Call Trace:
[  627.413597][T11794]  <TASK>
[  627.413598][T11794]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  627.413604][T11794]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  627.413606][T11794]  __might_resched.cold (kernel/sched/core.c:9234)
[  627.413609][T11794]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  627.413611][T11794]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  627.413615][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413617][T11794]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  627.413620][T11794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  627.413624][T11794]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  627.413629][T11794]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  627.413631][T11794]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  627.413634][T11794]  put_chars (drivers/char/virtio_console.c:1176)
[  627.413636][T11794]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  627.413638][T11794]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  627.413640][T11794]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  627.413645][T11794]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  627.413647][T11794]  ? vsnprintf (lib/vsprintf.c:2900)
[  627.413650][T11794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  627.413652][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413653][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413655][T11794]  console_emit_next_record (kernel/printk/printk.c:3183)
[  627.413658][T11794]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  627.413660][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413661][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413662][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413663][T11794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.413666][T11794]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  627.413668][T11794]  console_flush_one_record (kernel/printk/printk.c:3268)
[  627.413671][T11794]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  627.413673][T11794]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  627.413675][T11794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.413677][T11794]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  627.413679][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413680][T11794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  627.413682][T11794]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  627.413683][T11794]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  627.413685][T11794]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  627.413687][T11794]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  627.413689][T11794]  vprintk_emit (kernel/printk/printk.c:2479)
[  627.413690][T11794]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  627.413692][T11794]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  627.413694][T11794]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  627.413696][T11794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.413698][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413700][T11794]  _printk (kernel/printk/printk.c:2504)
[  627.413703][T11794]  ? snapshot_read.cold (user.c:?)
[  627.413705][T11794]  ? br_multicast_flood (??:?)
[  627.413708][T11794]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  627.413711][T11794]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  627.413713][T11794]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  627.413714][T11794]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  627.413717][T11794]  br_init_port (net/bridge/br_stp_if.c:39)
[  627.413719][T11794]  new_nbp (net/bridge/br_if.c:449)
[  627.413722][T11794]  br_add_if (net/bridge/br_if.c:592)
[  627.413724][T11794]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  627.413728][T11794]  do_set_master (net/core/rtnetlink.c:3071)
[  627.413730][T11794]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  627.413732][T11794]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  627.413733][T11794]  ? __dev_get_by_name (net/core/dev.c:905)
[  627.413735][T11794]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  627.413739][T11794]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  627.413742][T11794]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  627.413744][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413745][T11794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  627.413746][T11794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.413748][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413750][T11794]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  627.413753][T11794]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  627.413754][T11794]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  627.413757][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413758][T11794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.413760][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413761][T11794]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  627.413763][T11794]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  627.413764][T11794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  627.413766][T11794]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  627.413768][T11794]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  627.413772][T11794]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  627.413775][T11794]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  627.413776][T11794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  627.413778][T11794]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  627.413780][T11794]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  627.413783][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413784][T11794]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  627.413786][T11794]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  627.413788][T11794]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  627.413791][T11794]  ? next_uptodate_folio (mm/filemap.c:3747)
[  627.413794][T11794]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  627.413796][T11794]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  627.413798][T11794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.413800][T11794]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  627.413803][T11794]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  627.413807][T11794]  ____sys_sendmsg (net/socket.c:2713)
[  627.413808][T11794]  ? copy_msghdr_from_user (net/socket.c:2650)
[  627.413810][T11794]  ? sock_write_iter (net/socket.c:1269)
[  627.413812][T11794]  ? move_addr_to_kernel (net/socket.c:258)
[  627.413814][T11794]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  627.413817][T11794]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  627.413819][T11794]  ___sys_sendmsg (net/socket.c:2767)
[  627.413820][T11794]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  627.413822][T11794]  ? copy_msghdr_from_user (net/socket.c:2619)
[  627.413824][T11794]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  627.413829][T11794]  __sys_sendmsg (net/socket.c:2799)
[  627.413831][T11794]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  627.413834][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413835][T11794]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  627.413837][T11794]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  627.413839][T11794]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  627.413842][T11794]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  627.413844][T11794] RIP: 0033:0x7f8c7eefa54e
[  627.413846][T11794] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  627.413849][T11794] RSP: 002b:00007fffb83e33c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  627.413852][T11794] RAX: ffffffffffffffda RBX: 00007fffb83e3b88 RCX: 00007f8c7eefa54e
[  627.413854][T11794] RDX: 0000000000000000 RSI: 00007fffb83e3470 RDI: 0000000000000005
[  627.413855][T11794] RBP: 00007fffb83e33d0 R08: 0000000000000000 R09: 0000000000000000
[  627.413856][T11794] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91279c
[  627.413857][T11794] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb83e3b40
| [  628.485528][T11833] softirqs last disabled at (0): 0x0
| [  628.485530][T11833] Preemption disabled at:
| [  628.485531][T11833] vprintk_emit (kernel/printk/printk.c:2471)
| [  628.485542][T11833] Tainted: [W]=WARN
[  628.485543][T11833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  628.485544][T11833] Call Trace:
[  628.485546][T11833]  <TASK>
[  628.485547][T11833]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  628.485553][T11833]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  628.485554][T11833]  __might_resched.cold (kernel/sched/core.c:9234)
[  628.485558][T11833]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  628.485561][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485564][T11833]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  628.485567][T11833]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.485570][T11833]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  628.485575][T11833]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  628.485577][T11833]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  628.485580][T11833]  put_chars (drivers/char/virtio_console.c:1176)
[  628.485582][T11833]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  628.485583][T11833]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  628.485586][T11833]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  628.485588][T11833]  ? pointer (lib/vsprintf.c:2577)
[  628.485592][T11833]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  628.485596][T11833]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  628.485598][T11833]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.485600][T11833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.485603][T11833]  console_emit_next_record (kernel/printk/printk.c:3183)
[  628.485606][T11833]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  628.485608][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485609][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485610][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485611][T11833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.485613][T11833]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  628.485615][T11833]  console_flush_one_record (kernel/printk/printk.c:3268)
[  628.485618][T11833]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  628.485620][T11833]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  628.485622][T11833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.485624][T11833]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  628.485626][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485627][T11833]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.485629][T11833]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  628.485631][T11833]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  628.485633][T11833]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  628.485635][T11833]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  628.485637][T11833]  vprintk_emit (kernel/printk/printk.c:2479)
[  628.485639][T11833]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  628.485640][T11833]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  628.485642][T11833]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  628.485646][T11833]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  628.485648][T11833]  _printk (kernel/printk/printk.c:2504)
[  628.485651][T11833]  ? snapshot_read.cold (user.c:?)
[  628.485653][T11833]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  628.485655][T11833]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  628.485659][T11833]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  628.485661][T11833]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  628.485664][T11833]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  628.485667][T11833]  ? netdev_notice (net/core/dev.c:13194)
[  628.485669][T11833]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  628.485671][T11833]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  628.485675][T11833]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.485677][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485679][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485682][T11833]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  628.485683][T11833]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  628.485685][T11833]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  628.485687][T11833]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  628.485688][T11833]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  628.485690][T11833]  ? register_netdev (net/core/dev.c:11618)
[  628.485691][T11833]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.485694][T11833]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  628.485696][T11833]  ? __kernel_text_address (kernel/extable.c:79)
[  628.485699][T11833]  ? write_profile (profile.c:?)
[  628.485702][T11833]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  628.485706][T11833]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  628.485708][T11833]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  628.485710][T11833]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  628.485711][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485712][T11833]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  628.485716][T11833]  ? kasan_save_stack (mm/kasan/common.c:58)
[  628.485718][T11833]  ? kasan_save_stack (mm/kasan/common.c:57)
[  628.485719][T11833]  ? kasan_save_track (mm/kasan/common.c:78)
[  628.485720][T11833]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  628.485721][T11833]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  628.485723][T11833]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  628.485724][T11833]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  628.485725][T11833]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  628.485728][T11833]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  628.485730][T11833]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  628.485731][T11833]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  628.485734][T11833]  ? ____sys_sendmsg (net/socket.c:2713)
[  628.485735][T11833]  ? ___sys_sendmsg (net/socket.c:2767)
[  628.485737][T11833]  ? __sys_sendmsg (net/socket.c:2799)
[  628.485739][T11833]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  628.485741][T11833]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  628.485744][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485745][T11833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.485747][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485748][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485749][T11833]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  628.485751][T11833]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  628.485752][T11833]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  628.485753][T11833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  628.485755][T11833]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  628.485756][T11833]  ? nla_get_range_signed (lib/nlattr.c:270)
[  628.485759][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485761][T11833]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  628.485763][T11833]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  628.485765][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485766][T11833]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  628.485768][T11833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.485769][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485771][T11833]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  628.485773][T11833]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  628.485774][T11833]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  628.485776][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485777][T11833]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  628.485781][T11833]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  628.485783][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485784][T11833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.485786][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485787][T11833]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  628.485789][T11833]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  628.485791][T11833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  628.485792][T11833]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  628.485794][T11833]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  628.485796][T11833]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  628.485798][T11833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  628.485800][T11833]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.485802][T11833]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  628.485803][T11833]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  628.485807][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485808][T11833]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.485810][T11833]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  628.485812][T11833]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  628.485814][T11833]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  628.485816][T11833]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  628.485819][T11833]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  628.485820][T11833]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  628.485822][T11833]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.485824][T11833]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  628.485827][T11833]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  628.485829][T11833]  ____sys_sendmsg (net/socket.c:2713)
[  628.485831][T11833]  ? copy_msghdr_from_user (net/socket.c:2650)
[  628.485833][T11833]  ? sock_write_iter (net/socket.c:1269)
[  628.485834][T11833]  ? move_addr_to_kernel (net/socket.c:258)
[  628.485836][T11833]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  628.485839][T11833]  ___sys_sendmsg (net/socket.c:2767)
[  628.485841][T11833]  ? copy_msghdr_from_user (net/socket.c:2619)
[  628.485846][T11833]  __sys_sendmsg (net/socket.c:2799)
[  628.485848][T11833]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  628.485851][T11833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.485853][T11833]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  628.485855][T11833]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  628.485857][T11833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  628.485858][T11833] RIP: 0033:0x7f67dcb2a54e
[  628.485860][T11833] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  628.485862][T11833] RSP: 002b:00007ffe6d931160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  628.485866][T11833] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f67dcb2a54e
[  628.485868][T11833] RDX: 0000000000000000 RSI: 00007ffe6d931210 RDI: 0000000000000005
[  628.485869][T11833] RBP: 00007ffe6d931170 R08: 0000000000000000 R09: 0000000000000000
[  628.485870][T11833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91279d
[  628.485871][T11833] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6d9318d0
| [  630.008029][T11883] softirqs last disabled at (0): 0x0
| [  630.008031][T11883] Preemption disabled at:
| [  630.008032][T11883] vprintk_emit (kernel/printk/printk.c:2471)
| [  630.008043][T11883] Tainted: [W]=WARN
[  630.008044][T11883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  630.008046][T11883] Call Trace:
[  630.008048][T11883]  <TASK>
[  630.008050][T11883]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  630.008057][T11883]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  630.008059][T11883]  __might_resched.cold (kernel/sched/core.c:9234)
[  630.008063][T11883]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  630.008066][T11883]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  630.008069][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008072][T11883]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  630.008075][T11883]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  630.008078][T11883]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  630.008083][T11883]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  630.008085][T11883]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  630.008088][T11883]  put_chars (drivers/char/virtio_console.c:1176)
[  630.008090][T11883]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  630.008092][T11883]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  630.008095][T11883]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  630.008100][T11883]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  630.008102][T11883]  ? vsnprintf (lib/vsprintf.c:2900)
[  630.008106][T11883]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  630.008107][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008108][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008110][T11883]  console_emit_next_record (kernel/printk/printk.c:3183)
[  630.008113][T11883]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  630.008115][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008117][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008118][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008119][T11883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.008121][T11883]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  630.008123][T11883]  console_flush_one_record (kernel/printk/printk.c:3268)
[  630.008126][T11883]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  630.008129][T11883]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  630.008131][T11883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.008132][T11883]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  630.008134][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008135][T11883]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  630.008137][T11883]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  630.008139][T11883]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  630.008140][T11883]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  630.008142][T11883]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  630.008144][T11883]  vprintk_emit (kernel/printk/printk.c:2479)
[  630.008146][T11883]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  630.008147][T11883]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  630.008149][T11883]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  630.008152][T11883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.008154][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008155][T11883]  _printk (kernel/printk/printk.c:2504)
[  630.008158][T11883]  ? snapshot_read.cold (user.c:?)
[  630.008161][T11883]  ? br_multicast_flood (??:?)
[  630.008170][T11883]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  630.008173][T11883]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  630.008174][T11883]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  630.008176][T11883]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  630.008179][T11883]  br_init_port (net/bridge/br_stp_if.c:39)
[  630.008181][T11883]  new_nbp (net/bridge/br_if.c:449)
[  630.008183][T11883]  br_add_if (net/bridge/br_if.c:592)
[  630.008185][T11883]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  630.008190][T11883]  do_set_master (net/core/rtnetlink.c:3071)
[  630.008192][T11883]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  630.008193][T11883]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  630.008198][T11883]  ? __dev_get_by_name (net/core/dev.c:905)
[  630.008200][T11883]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  630.008204][T11883]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  630.008207][T11883]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  630.008209][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008211][T11883]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  630.008212][T11883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.008214][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008215][T11883]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  630.008218][T11883]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  630.008220][T11883]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  630.008223][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008224][T11883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.008226][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008227][T11883]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  630.008228][T11883]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  630.008230][T11883]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  630.008232][T11883]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  630.008233][T11883]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  630.008237][T11883]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  630.008240][T11883]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  630.008242][T11883]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  630.008244][T11883]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  630.008245][T11883]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  630.008248][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008250][T11883]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  630.008252][T11883]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  630.008254][T11883]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  630.008256][T11883]  ? next_uptodate_folio (mm/filemap.c:3747)
[  630.008260][T11883]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  630.008262][T11883]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  630.008264][T11883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.008266][T11883]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  630.008269][T11883]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  630.008272][T11883]  ____sys_sendmsg (net/socket.c:2713)
[  630.008274][T11883]  ? copy_msghdr_from_user (net/socket.c:2650)
[  630.008276][T11883]  ? sock_write_iter (net/socket.c:1269)
[  630.008278][T11883]  ? move_addr_to_kernel (net/socket.c:258)
[  630.008280][T11883]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  630.008283][T11883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  630.008285][T11883]  ___sys_sendmsg (net/socket.c:2767)
[  630.008286][T11883]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  630.008288][T11883]  ? copy_msghdr_from_user (net/socket.c:2619)
[  630.008290][T11883]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  630.008295][T11883]  __sys_sendmsg (net/socket.c:2799)
[  630.008297][T11883]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  630.008300][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008301][T11883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  630.008303][T11883]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  630.008306][T11883]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  630.008308][T11883]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  630.008310][T11883] RIP: 0033:0x7f1286bb054e
[  630.008312][T11883] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  630.008314][T11883] RSP: 002b:00007fff64dd5720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  630.008318][T11883] RAX: ffffffffffffffda RBX: 00007fff64dd5ee8 RCX: 00007f1286bb054e
[  630.008319][T11883] RDX: 0000000000000000 RSI: 00007fff64dd57d0 RDI: 0000000000000005
[  630.008321][T11883] RBP: 00007fff64dd5730 R08: 0000000000000000 R09: 0000000000000000
[  630.008322][T11883] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91279f
[  630.008323][T11883] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff64dd5ea0
| [  637.301862][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  637.301865][   T71] Preemption disabled at:
| [  637.301867][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  637.301881][   T71] Tainted: [W]=WARN
[  637.301883][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  637.301885][   T71] Workqueue: netns cleanup_net
[  637.301892][   T71] Call Trace:
[  637.301894][   T71]  <TASK>
[  637.301897][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  637.301903][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  637.301906][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  637.301910][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  637.301914][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  637.301918][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.301922][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  637.301926][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  637.301930][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  637.301936][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  637.301939][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  637.301943][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  637.301946][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  637.301950][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  637.301954][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  637.301960][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  637.301963][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  637.301967][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  637.301969][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.301971][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.301975][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  637.301979][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  637.301983][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.301985][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.301987][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.301989][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.301993][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  637.301996][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  637.301999][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  637.302004][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  637.302007][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.302010][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  637.302013][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.302015][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  637.302017][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  637.302020][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  637.302023][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  637.302026][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  637.302028][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  637.302031][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  637.302034][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  637.302037][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  637.302041][   T71]  ? kthread (kernel/kthread.c:436)
[  637.302044][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  637.302048][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  637.302052][   T71]  _printk (kernel/printk/printk.c:2504)
[  637.302056][   T71]  ? snapshot_read.cold (user.c:?)
[  637.302060][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  637.302064][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  637.302068][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  637.302072][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  637.302076][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.302078][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  637.302081][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  637.302085][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  637.302087][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  637.302090][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  637.302094][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  637.302098][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  637.302103][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  637.302107][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  637.302111][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  637.302114][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  637.302118][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  637.302122][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  637.302125][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  637.302129][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.302131][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.302134][   T71]  process_one_work (kernel/workqueue.c:3387)
[  637.302139][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  637.302144][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  637.302148][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  637.302151][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  637.302155][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  637.302158][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  637.302161][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  637.302164][   T71]  kthread (kernel/kthread.c:436)
[  637.302167][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  637.302169][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  637.302173][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  637.302176][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  637.302179][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  637.302183][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  637.302187][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  638.781337][T12045] softirqs last disabled at (0): 0x0
| [  638.781339][T12045] Preemption disabled at:
| [  638.781340][T12045] vprintk_emit (kernel/printk/printk.c:2471)
| [  638.781351][T12045] Tainted: [W]=WARN
[  638.781352][T12045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  638.781354][T12045] Call Trace:
[  638.781356][T12045]  <TASK>
[  638.781357][T12045]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  638.781363][T12045]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  638.781364][T12045]  __might_resched.cold (kernel/sched/core.c:9234)
[  638.781368][T12045]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  638.781370][T12045]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  638.781373][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781376][T12045]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  638.781379][T12045]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  638.781383][T12045]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  638.781388][T12045]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  638.781390][T12045]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  638.781393][T12045]  put_chars (drivers/char/virtio_console.c:1176)
[  638.781395][T12045]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  638.781397][T12045]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  638.781400][T12045]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  638.781404][T12045]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  638.781406][T12045]  ? vsnprintf (lib/vsprintf.c:2900)
[  638.781410][T12045]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  638.781411][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781412][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781414][T12045]  console_emit_next_record (kernel/printk/printk.c:3183)
[  638.781417][T12045]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  638.781420][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781421][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781422][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781423][T12045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.781426][T12045]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  638.781428][T12045]  console_flush_one_record (kernel/printk/printk.c:3268)
[  638.781430][T12045]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  638.781433][T12045]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  638.781435][T12045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.781437][T12045]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  638.781438][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781439][T12045]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  638.781441][T12045]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  638.781443][T12045]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  638.781445][T12045]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  638.781447][T12045]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  638.781449][T12045]  vprintk_emit (kernel/printk/printk.c:2479)
[  638.781450][T12045]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  638.781452][T12045]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  638.781454][T12045]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  638.781456][T12045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.781458][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781460][T12045]  _printk (kernel/printk/printk.c:2504)
[  638.781463][T12045]  ? snapshot_read.cold (user.c:?)
[  638.781465][T12045]  ? br_multicast_flood (??:?)
[  638.781468][T12045]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  638.781471][T12045]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  638.781473][T12045]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  638.781475][T12045]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  638.781477][T12045]  br_init_port (net/bridge/br_stp_if.c:39)
[  638.781479][T12045]  new_nbp (net/bridge/br_if.c:449)
[  638.781482][T12045]  br_add_if (net/bridge/br_if.c:592)
[  638.781484][T12045]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  638.781488][T12045]  do_set_master (net/core/rtnetlink.c:3071)
[  638.781490][T12045]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  638.781492][T12045]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  638.781493][T12045]  ? __dev_get_by_name (net/core/dev.c:905)
[  638.781495][T12045]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  638.781499][T12045]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  638.781502][T12045]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  638.781504][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781506][T12045]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  638.781507][T12045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.781509][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781510][T12045]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  638.781513][T12045]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  638.781515][T12045]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  638.781518][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781519][T12045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.781521][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781522][T12045]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  638.781523][T12045]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  638.781525][T12045]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  638.781527][T12045]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  638.781528][T12045]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  638.781532][T12045]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  638.781535][T12045]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  638.781537][T12045]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  638.781539][T12045]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  638.781540][T12045]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  638.781543][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781544][T12045]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  638.781547][T12045]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  638.781549][T12045]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  638.781551][T12045]  ? next_uptodate_folio (mm/filemap.c:3747)
[  638.781554][T12045]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  638.781556][T12045]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  638.781559][T12045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.781560][T12045]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  638.781564][T12045]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  638.781567][T12045]  ____sys_sendmsg (net/socket.c:2713)
[  638.781569][T12045]  ? copy_msghdr_from_user (net/socket.c:2650)
[  638.781570][T12045]  ? sock_write_iter (net/socket.c:1269)
[  638.781572][T12045]  ? move_addr_to_kernel (net/socket.c:258)
[  638.781574][T12045]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  638.781577][T12045]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  638.781579][T12045]  ___sys_sendmsg (net/socket.c:2767)
[  638.781581][T12045]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  638.781583][T12045]  ? copy_msghdr_from_user (net/socket.c:2619)
[  638.781584][T12045]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  638.781589][T12045]  __sys_sendmsg (net/socket.c:2799)
[  638.781592][T12045]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  638.781594][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781596][T12045]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  638.781597][T12045]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  638.781600][T12045]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  638.781602][T12045]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  638.781604][T12045] RIP: 0033:0x7f3a48bdc54e
[  638.781607][T12045] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  638.781609][T12045] RSP: 002b:00007fffc5458dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  638.781612][T12045] RAX: ffffffffffffffda RBX: 00007fffc5459588 RCX: 00007f3a48bdc54e
[  638.781614][T12045] RDX: 0000000000000000 RSI: 00007fffc5458e70 RDI: 0000000000000005
[  638.781615][T12045] RBP: 00007fffc5458dd0 R08: 0000000000000000 R09: 0000000000000000
[  638.781616][T12045] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127a8
[  638.781617][T12045] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc5459540
| [  640.710117][T12112] softirqs last disabled at (0): 0x0
| [  640.710120][T12112] Preemption disabled at:
| [  640.710121][T12112] vprintk_emit (kernel/printk/printk.c:2471)
| [  640.710134][T12112] Tainted: [W]=WARN
[  640.710136][T12112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  640.710138][T12112] Call Trace:
[  640.710140][T12112]  <TASK>
[  640.710142][T12112]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  640.710149][T12112]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  640.710152][T12112]  __might_resched.cold (kernel/sched/core.c:9234)
[  640.710157][T12112]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  640.710161][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710166][T12112]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  640.710169][T12112]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  640.710174][T12112]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  640.710180][T12112]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  640.710183][T12112]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  640.710187][T12112]  put_chars (drivers/char/virtio_console.c:1176)
[  640.710190][T12112]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  640.710192][T12112]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  640.710200][T12112]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  640.710203][T12112]  ? pointer (lib/vsprintf.c:2577)
[  640.710208][T12112]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  640.710215][T12112]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  640.710218][T12112]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  640.710221][T12112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.710225][T12112]  console_emit_next_record (kernel/printk/printk.c:3183)
[  640.710229][T12112]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  640.710233][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710235][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710243][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710246][T12112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.710249][T12112]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  640.710252][T12112]  console_flush_one_record (kernel/printk/printk.c:3268)
[  640.710256][T12112]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  640.710261][T12112]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  640.710264][T12112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.710267][T12112]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  640.710270][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710272][T12112]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.710274][T12112]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  640.710277][T12112]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  640.710280][T12112]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  640.710283][T12112]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  640.710286][T12112]  vprintk_emit (kernel/printk/printk.c:2479)
[  640.710289][T12112]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  640.710291][T12112]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  640.710295][T12112]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  640.710299][T12112]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  640.710303][T12112]  _printk (kernel/printk/printk.c:2504)
[  640.710308][T12112]  ? snapshot_read.cold (user.c:?)
[  640.710311][T12112]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  640.710315][T12112]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  640.710319][T12112]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  640.710322][T12112]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.710327][T12112]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  640.710330][T12112]  ? netdev_notice (net/core/dev.c:13194)
[  640.710334][T12112]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  640.710337][T12112]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  640.710340][T12112]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  640.710343][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710345][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710347][T12112]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  640.710350][T12112]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  640.710353][T12112]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  640.710355][T12112]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.710358][T12112]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  640.710361][T12112]  ? register_netdev (net/core/dev.c:11618)
[  640.710363][T12112]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.710367][T12112]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  640.710371][T12112]  ? __kernel_text_address (kernel/extable.c:79)
[  640.710375][T12112]  ? write_profile (profile.c:?)
[  640.710379][T12112]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  640.710384][T12112]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  640.710388][T12112]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  640.710391][T12112]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  640.710393][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710395][T12112]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  640.710400][T12112]  ? kasan_save_stack (mm/kasan/common.c:58)
[  640.710404][T12112]  ? kasan_save_stack (mm/kasan/common.c:57)
[  640.710406][T12112]  ? kasan_save_track (mm/kasan/common.c:78)
[  640.710408][T12112]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  640.710410][T12112]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  640.710413][T12112]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  640.710415][T12112]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  640.710417][T12112]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  640.710421][T12112]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  640.710424][T12112]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  640.710426][T12112]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  640.710430][T12112]  ? ____sys_sendmsg (net/socket.c:2713)
[  640.710432][T12112]  ? ___sys_sendmsg (net/socket.c:2767)
[  640.710435][T12112]  ? __sys_sendmsg (net/socket.c:2799)
[  640.710437][T12112]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  640.710441][T12112]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  640.710446][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710448][T12112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.710450][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710452][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710454][T12112]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  640.710457][T12112]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  640.710460][T12112]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  640.710462][T12112]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  640.710465][T12112]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  640.710467][T12112]  ? nla_get_range_signed (lib/nlattr.c:270)
[  640.710472][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710474][T12112]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  640.710478][T12112]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  640.710482][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710484][T12112]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  640.710486][T12112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.710489][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710491][T12112]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  640.710495][T12112]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  640.710497][T12112]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  640.710500][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710502][T12112]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  640.710506][T12112]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  640.710510][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710512][T12112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.710515][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710517][T12112]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  640.710520][T12112]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  640.710523][T12112]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  640.710525][T12112]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  640.710528][T12112]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  640.710532][T12112]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  640.710535][T12112]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  640.710538][T12112]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.710541][T12112]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  640.710543][T12112]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  640.710548][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710551][T12112]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  640.710554][T12112]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  640.710558][T12112]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  640.710561][T12112]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  640.710565][T12112]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  640.710568][T12112]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  640.710571][T12112]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  640.710574][T12112]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  640.710577][T12112]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  640.710582][T12112]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  640.710585][T12112]  ____sys_sendmsg (net/socket.c:2713)
[  640.710588][T12112]  ? copy_msghdr_from_user (net/socket.c:2650)
[  640.710591][T12112]  ? sock_write_iter (net/socket.c:1269)
[  640.710593][T12112]  ? move_addr_to_kernel (net/socket.c:258)
[  640.710596][T12112]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  640.710600][T12112]  ___sys_sendmsg (net/socket.c:2767)
[  640.710603][T12112]  ? copy_msghdr_from_user (net/socket.c:2619)
[  640.710612][T12112]  __sys_sendmsg (net/socket.c:2799)
[  640.710616][T12112]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  640.710621][T12112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  640.710623][T12112]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  640.710626][T12112]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  640.710630][T12112]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  640.710633][T12112] RIP: 0033:0x7f1f366df54e
[  640.710636][T12112] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  640.710640][T12112] RSP: 002b:00007ffdae75fd80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  640.710645][T12112] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1f366df54e
[  640.710648][T12112] RDX: 0000000000000000 RSI: 00007ffdae75fe30 RDI: 0000000000000005
[  640.710650][T12112] RBP: 00007ffdae75fd90 R08: 0000000000000000 R09: 0000000000000000
[  640.710652][T12112] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127aa
[  640.710653][T12112] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdae7604f0
| [  642.342556][T12171] softirqs last disabled at (0): 0x0
| [  642.342559][T12171] Preemption disabled at:
| [  642.342560][T12171] vprintk_emit (kernel/printk/printk.c:2471)
| [  642.342575][T12171] Tainted: [W]=WARN
[  642.342576][T12171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  642.342579][T12171] Call Trace:
[  642.342581][T12171]  <TASK>
[  642.342583][T12171]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  642.342590][T12171]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  642.342592][T12171]  __might_resched.cold (kernel/sched/core.c:9234)
[  642.342597][T12171]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  642.342600][T12171]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  642.342604][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342608][T12171]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  642.342612][T12171]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  642.342617][T12171]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  642.342623][T12171]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  642.342627][T12171]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  642.342631][T12171]  put_chars (drivers/char/virtio_console.c:1176)
[  642.342634][T12171]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  642.342637][T12171]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  642.342641][T12171]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  642.342648][T12171]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  642.342651][T12171]  ? vsnprintf (lib/vsprintf.c:2900)
[  642.342655][T12171]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  642.342658][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342660][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342663][T12171]  console_emit_next_record (kernel/printk/printk.c:3183)
[  642.342667][T12171]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  642.342671][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342673][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342674][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342677][T12171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.342681][T12171]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  642.342684][T12171]  console_flush_one_record (kernel/printk/printk.c:3268)
[  642.342688][T12171]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  642.342692][T12171]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  642.342695][T12171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.342698][T12171]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  642.342701][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342702][T12171]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  642.342705][T12171]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  642.342708][T12171]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  642.342711][T12171]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  642.342714][T12171]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  642.342717][T12171]  vprintk_emit (kernel/printk/printk.c:2479)
[  642.342720][T12171]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  642.342722][T12171]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  642.342725][T12171]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  642.342729][T12171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.342731][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342734][T12171]  _printk (kernel/printk/printk.c:2504)
[  642.342739][T12171]  ? snapshot_read.cold (user.c:?)
[  642.342742][T12171]  ? br_multicast_flood (??:?)
[  642.342747][T12171]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  642.342750][T12171]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  642.342752][T12171]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  642.342756][T12171]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  642.342760][T12171]  br_init_port (net/bridge/br_stp_if.c:39)
[  642.342763][T12171]  new_nbp (net/bridge/br_if.c:449)
[  642.342767][T12171]  br_add_if (net/bridge/br_if.c:592)
[  642.342770][T12171]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  642.342776][T12171]  do_set_master (net/core/rtnetlink.c:3071)
[  642.342779][T12171]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  642.342782][T12171]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  642.342785][T12171]  ? __dev_get_by_name (net/core/dev.c:905)
[  642.342788][T12171]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  642.342794][T12171]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  642.342798][T12171]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  642.342802][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342804][T12171]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.342806][T12171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.342809][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342812][T12171]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  642.342815][T12171]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  642.342819][T12171]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  642.342822][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342824][T12171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.342827][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342829][T12171]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  642.342832][T12171]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  642.342835][T12171]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  642.342837][T12171]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  642.342840][T12171]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  642.342846][T12171]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  642.342850][T12171]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  642.342853][T12171]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  642.342855][T12171]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  642.342858][T12171]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  642.342863][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342865][T12171]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  642.342869][T12171]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  642.342873][T12171]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  642.342876][T12171]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  642.342879][T12171]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  642.342884][T12171]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  642.342887][T12171]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  642.342891][T12171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.342893][T12171]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  642.342898][T12171]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  642.342902][T12171]  ____sys_sendmsg (net/socket.c:2713)
[  642.342905][T12171]  ? copy_msghdr_from_user (net/socket.c:2650)
[  642.342908][T12171]  ? sock_write_iter (net/socket.c:1269)
[  642.342911][T12171]  ? move_addr_to_kernel (net/socket.c:258)
[  642.342915][T12171]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  642.342918][T12171]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  642.342922][T12171]  ___sys_sendmsg (net/socket.c:2767)
[  642.342924][T12171]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  642.342927][T12171]  ? copy_msghdr_from_user (net/socket.c:2619)
[  642.342930][T12171]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  642.342938][T12171]  __sys_sendmsg (net/socket.c:2799)
[  642.342942][T12171]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  642.342946][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342948][T12171]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  642.342951][T12171]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  642.342955][T12171]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  642.342958][T12171]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  642.342961][T12171] RIP: 0033:0x7f0e17dff54e
[  642.342965][T12171] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  642.342968][T12171] RSP: 002b:00007fffcd30d960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  642.342973][T12171] RAX: ffffffffffffffda RBX: 00007fffcd30e128 RCX: 00007f0e17dff54e
[  642.342976][T12171] RDX: 0000000000000000 RSI: 00007fffcd30da10 RDI: 0000000000000005
[  642.342978][T12171] RBP: 00007fffcd30d970 R08: 0000000000000000 R09: 0000000000000000
[  642.342980][T12171] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127ab
[  642.342981][T12171] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcd30e0e0
| [  648.642345][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  648.642348][   T71] Preemption disabled at:
| [  648.642349][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  648.642363][   T71] Tainted: [W]=WARN
[  648.642365][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  648.642367][   T71] Workqueue: netns cleanup_net
[  648.642374][   T71] Call Trace:
[  648.642376][   T71]  <TASK>
[  648.642378][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  648.642385][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  648.642387][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  648.642391][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  648.642395][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  648.642399][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.642403][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  648.642406][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  648.642410][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.642416][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  648.642419][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.642423][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  648.642425][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  648.642428][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  648.642432][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  648.642439][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  648.642441][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  648.642444][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  648.642447][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.642449][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.642452][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  648.642456][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  648.642459][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.642461][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.642463][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.642465][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.642468][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  648.642471][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  648.642474][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  648.642479][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  648.642481][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.642484][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  648.642487][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.642488][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  648.642491][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  648.642493][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  648.642496][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  648.642499][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  648.642501][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  648.642504][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  648.642506][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  648.642509][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  648.642512][   T71]  ? kthread (kernel/kthread.c:436)
[  648.642515][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  648.642519][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  648.642522][   T71]  _printk (kernel/printk/printk.c:2504)
[  648.642526][   T71]  ? snapshot_read.cold (user.c:?)
[  648.642530][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  648.642534][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  648.642537][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  648.642541][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  648.642544][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.642546][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  648.642548][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  648.642552][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  648.642555][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  648.642557][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  648.642560][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  648.642564][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  648.642569][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  648.642572][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  648.642575][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  648.642579][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  648.642582][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  648.642586][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  648.642589][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  648.642592][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.642594][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.642597][   T71]  process_one_work (kernel/workqueue.c:3387)
[  648.642602][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  648.642606][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  648.642610][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  648.642614][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  648.642616][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  648.642619][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  648.642622][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  648.642624][   T71]  kthread (kernel/kthread.c:436)
[  648.642627][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  648.642630][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  648.642633][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  648.642635][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  648.642639][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  648.642642][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  648.642645][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  649.676317][T12263] softirqs last disabled at (0): 0x0
| [  649.676319][T12263] Preemption disabled at:
| [  649.676319][T12263] vprintk_emit (kernel/printk/printk.c:2471)
| [  649.676330][T12263] Tainted: [W]=WARN
[  649.676331][T12263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  649.676333][T12263] Call Trace:
[  649.676335][T12263]  <TASK>
[  649.676337][T12263]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  649.676342][T12263]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  649.676344][T12263]  __might_resched.cold (kernel/sched/core.c:9234)
[  649.676347][T12263]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  649.676351][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676354][T12263]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  649.676357][T12263]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.676360][T12263]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  649.676365][T12263]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  649.676367][T12263]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  649.676370][T12263]  put_chars (drivers/char/virtio_console.c:1176)
[  649.676372][T12263]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  649.676373][T12263]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  649.676375][T12263]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  649.676378][T12263]  ? pointer (lib/vsprintf.c:2577)
[  649.676381][T12263]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  649.676386][T12263]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  649.676388][T12263]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.676391][T12263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.676393][T12263]  console_emit_next_record (kernel/printk/printk.c:3183)
[  649.676396][T12263]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  649.676398][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676400][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676401][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676402][T12263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.676404][T12263]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  649.676406][T12263]  console_flush_one_record (kernel/printk/printk.c:3268)
[  649.676409][T12263]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  649.676412][T12263]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  649.676414][T12263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.676416][T12263]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  649.676418][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676419][T12263]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.676420][T12263]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  649.676422][T12263]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  649.676424][T12263]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  649.676426][T12263]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  649.676428][T12263]  vprintk_emit (kernel/printk/printk.c:2479)
[  649.676429][T12263]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  649.676431][T12263]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  649.676434][T12263]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  649.676437][T12263]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  649.676440][T12263]  _printk (kernel/printk/printk.c:2504)
[  649.676443][T12263]  ? snapshot_read.cold (user.c:?)
[  649.676445][T12263]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  649.676447][T12263]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  649.676451][T12263]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  649.676453][T12263]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  649.676457][T12263]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  649.676459][T12263]  ? netdev_notice (net/core/dev.c:13194)
[  649.676461][T12263]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  649.676463][T12263]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  649.676466][T12263]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.676468][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676469][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676470][T12263]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  649.676472][T12263]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  649.676473][T12263]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  649.676475][T12263]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  649.676476][T12263]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  649.676478][T12263]  ? register_netdev (net/core/dev.c:11618)
[  649.676480][T12263]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.676482][T12263]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  649.676485][T12263]  ? __kernel_text_address (kernel/extable.c:79)
[  649.676487][T12263]  ? write_profile (profile.c:?)
[  649.676490][T12263]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  649.676494][T12263]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  649.676496][T12263]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  649.676498][T12263]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  649.676499][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676500][T12263]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  649.676504][T12263]  ? kasan_save_stack (mm/kasan/common.c:58)
[  649.676506][T12263]  ? kasan_save_stack (mm/kasan/common.c:57)
[  649.676507][T12263]  ? kasan_save_track (mm/kasan/common.c:78)
[  649.676508][T12263]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  649.676510][T12263]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  649.676511][T12263]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  649.676512][T12263]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  649.676514][T12263]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  649.676516][T12263]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  649.676518][T12263]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  649.676520][T12263]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  649.676523][T12263]  ? ____sys_sendmsg (net/socket.c:2713)
[  649.676524][T12263]  ? ___sys_sendmsg (net/socket.c:2767)
[  649.676526][T12263]  ? __sys_sendmsg (net/socket.c:2799)
[  649.676528][T12263]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  649.676530][T12263]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  649.676533][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676534][T12263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.676536][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676537][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676538][T12263]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  649.676540][T12263]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  649.676541][T12263]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  649.676543][T12263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  649.676544][T12263]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  649.676545][T12263]  ? nla_get_range_signed (lib/nlattr.c:270)
[  649.676549][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676550][T12263]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  649.676552][T12263]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  649.676555][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676556][T12263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  649.676557][T12263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.676559][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676560][T12263]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  649.676563][T12263]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  649.676564][T12263]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  649.676566][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676567][T12263]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  649.676570][T12263]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  649.676572][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676574][T12263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.676575][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676577][T12263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  649.676578][T12263]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  649.676580][T12263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  649.676582][T12263]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  649.676583][T12263]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  649.676586][T12263]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  649.676588][T12263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  649.676589][T12263]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.676591][T12263]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  649.676593][T12263]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  649.676596][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676597][T12263]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.676600][T12263]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  649.676602][T12263]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  649.676604][T12263]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  649.676606][T12263]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  649.676608][T12263]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  649.676610][T12263]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  649.676612][T12263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.676614][T12263]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  649.676617][T12263]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  649.676619][T12263]  ____sys_sendmsg (net/socket.c:2713)
[  649.676621][T12263]  ? copy_msghdr_from_user (net/socket.c:2650)
[  649.676623][T12263]  ? sock_write_iter (net/socket.c:1269)
[  649.676624][T12263]  ? move_addr_to_kernel (net/socket.c:258)
[  649.676626][T12263]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  649.676629][T12263]  ___sys_sendmsg (net/socket.c:2767)
[  649.676631][T12263]  ? copy_msghdr_from_user (net/socket.c:2619)
[  649.676636][T12263]  __sys_sendmsg (net/socket.c:2799)
[  649.676638][T12263]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  649.676641][T12263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.676643][T12263]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  649.676645][T12263]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  649.676647][T12263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  649.676649][T12263] RIP: 0033:0x7f73581ac54e
[  649.676651][T12263] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  649.676653][T12263] RSP: 002b:00007ffd8e376e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  649.676656][T12263] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f73581ac54e
[  649.676658][T12263] RDX: 0000000000000000 RSI: 00007ffd8e376eb0 RDI: 0000000000000005
[  649.676659][T12263] RBP: 00007ffd8e376e10 R08: 0000000000000000 R09: 0000000000000000
[  649.676660][T12263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127b3
[  649.676661][T12263] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8e377570
| [  651.277666][T12336] softirqs last disabled at (0): 0x0
| [  651.277669][T12336] Preemption disabled at:
| [  651.277670][T12336] vprintk_emit (kernel/printk/printk.c:2471)
| [  651.277684][T12336] Tainted: [W]=WARN
[  651.277685][T12336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  651.277688][T12336] Call Trace:
[  651.277690][T12336]  <TASK>
[  651.277692][T12336]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  651.277699][T12336]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  651.277701][T12336]  __might_resched.cold (kernel/sched/core.c:9234)
[  651.277706][T12336]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  651.277709][T12336]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  651.277714][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277718][T12336]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  651.277722][T12336]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.277726][T12336]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.277733][T12336]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  651.277735][T12336]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.277740][T12336]  put_chars (drivers/char/virtio_console.c:1176)
[  651.277743][T12336]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  651.277746][T12336]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  651.277750][T12336]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  651.277756][T12336]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  651.277759][T12336]  ? vsnprintf (lib/vsprintf.c:2900)
[  651.277764][T12336]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.277766][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277768][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277772][T12336]  console_emit_next_record (kernel/printk/printk.c:3183)
[  651.277776][T12336]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  651.277780][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277782][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277784][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277786][T12336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.277790][T12336]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  651.277793][T12336]  console_flush_one_record (kernel/printk/printk.c:3268)
[  651.277796][T12336]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  651.277801][T12336]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  651.277803][T12336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.277806][T12336]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  651.277808][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277810][T12336]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.277813][T12336]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  651.277815][T12336]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  651.277818][T12336]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  651.277821][T12336]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  651.277824][T12336]  vprintk_emit (kernel/printk/printk.c:2479)
[  651.277826][T12336]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  651.277828][T12336]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.277831][T12336]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  651.277835][T12336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.277838][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277840][T12336]  _printk (kernel/printk/printk.c:2504)
[  651.277844][T12336]  ? snapshot_read.cold (user.c:?)
[  651.277848][T12336]  ? br_multicast_flood (??:?)
[  651.277853][T12336]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  651.277856][T12336]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  651.277858][T12336]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  651.277862][T12336]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  651.277866][T12336]  br_init_port (net/bridge/br_stp_if.c:39)
[  651.277869][T12336]  new_nbp (net/bridge/br_if.c:449)
[  651.277872][T12336]  br_add_if (net/bridge/br_if.c:592)
[  651.277875][T12336]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  651.277881][T12336]  do_set_master (net/core/rtnetlink.c:3071)
[  651.277884][T12336]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  651.277887][T12336]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  651.277890][T12336]  ? __dev_get_by_name (net/core/dev.c:905)
[  651.277893][T12336]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  651.277899][T12336]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  651.277903][T12336]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  651.277907][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277909][T12336]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.277911][T12336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.277914][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277916][T12336]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  651.277920][T12336]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  651.277923][T12336]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  651.277926][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277928][T12336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.277931][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277933][T12336]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.277936][T12336]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  651.277938][T12336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.277941][T12336]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  651.277943][T12336]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  651.277948][T12336]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  651.277952][T12336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.277955][T12336]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.277958][T12336]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  651.277960][T12336]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  651.277965][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.277967][T12336]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.277971][T12336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  651.277975][T12336]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  651.277978][T12336]  ? next_uptodate_folio (mm/filemap.c:3747)
[  651.277982][T12336]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  651.277986][T12336]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  651.277989][T12336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.277992][T12336]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  651.277997][T12336]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  651.278001][T12336]  ____sys_sendmsg (net/socket.c:2713)
[  651.278004][T12336]  ? copy_msghdr_from_user (net/socket.c:2650)
[  651.278006][T12336]  ? sock_write_iter (net/socket.c:1269)
[  651.278009][T12336]  ? move_addr_to_kernel (net/socket.c:258)
[  651.278013][T12336]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  651.278016][T12336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.278019][T12336]  ___sys_sendmsg (net/socket.c:2767)
[  651.278022][T12336]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  651.278025][T12336]  ? copy_msghdr_from_user (net/socket.c:2619)
[  651.278028][T12336]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  651.278036][T12336]  __sys_sendmsg (net/socket.c:2799)
[  651.278040][T12336]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  651.278044][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.278047][T12336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.278049][T12336]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  651.278053][T12336]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  651.278056][T12336]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  651.278060][T12336] RIP: 0033:0x7ff90801454e
[  651.278063][T12336] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  651.278066][T12336] RSP: 002b:00007fffea0ac230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  651.278071][T12336] RAX: ffffffffffffffda RBX: 00007fffea0ac9f8 RCX: 00007ff90801454e
[  651.278073][T12336] RDX: 0000000000000000 RSI: 00007fffea0ac2e0 RDI: 0000000000000005
[  651.278075][T12336] RBP: 00007fffea0ac240 R08: 0000000000000000 R09: 0000000000000000
[  651.278077][T12336] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127b4
[  651.278079][T12336] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffea0ac9b0
| [  652.297021][T12374] softirqs last disabled at (0): 0x0
| [  652.297023][T12374] Preemption disabled at:
| [  652.297023][T12374] vprintk_emit (kernel/printk/printk.c:2471)
| [  652.297034][T12374] Tainted: [W]=WARN
[  652.297035][T12374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  652.297037][T12374] Call Trace:
[  652.297038][T12374]  <TASK>
[  652.297040][T12374]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  652.297045][T12374]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  652.297047][T12374]  __might_resched.cold (kernel/sched/core.c:9234)
[  652.297051][T12374]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  652.297054][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297057][T12374]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  652.297060][T12374]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.297063][T12374]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  652.297068][T12374]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  652.297070][T12374]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  652.297073][T12374]  put_chars (drivers/char/virtio_console.c:1176)
[  652.297075][T12374]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  652.297076][T12374]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  652.297078][T12374]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  652.297081][T12374]  ? pointer (lib/vsprintf.c:2577)
[  652.297085][T12374]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  652.297089][T12374]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  652.297091][T12374]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.297093][T12374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.297096][T12374]  console_emit_next_record (kernel/printk/printk.c:3183)
[  652.297099][T12374]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  652.297101][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297102][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297104][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297105][T12374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.297107][T12374]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  652.297109][T12374]  console_flush_one_record (kernel/printk/printk.c:3268)
[  652.297112][T12374]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  652.297115][T12374]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  652.297117][T12374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.297119][T12374]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  652.297121][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297122][T12374]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.297123][T12374]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  652.297125][T12374]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  652.297127][T12374]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  652.297129][T12374]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  652.297130][T12374]  vprintk_emit (kernel/printk/printk.c:2479)
[  652.297132][T12374]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  652.297133][T12374]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  652.297136][T12374]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  652.297139][T12374]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  652.297142][T12374]  _printk (kernel/printk/printk.c:2504)
[  652.297145][T12374]  ? snapshot_read.cold (user.c:?)
[  652.297147][T12374]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  652.297149][T12374]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  652.297153][T12374]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  652.297155][T12374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  652.297158][T12374]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  652.297160][T12374]  ? netdev_notice (net/core/dev.c:13194)
[  652.297162][T12374]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  652.297164][T12374]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  652.297167][T12374]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.297169][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297170][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297171][T12374]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  652.297172][T12374]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  652.297174][T12374]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  652.297175][T12374]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  652.297177][T12374]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  652.297179][T12374]  ? register_netdev (net/core/dev.c:11618)
[  652.297180][T12374]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.297183][T12374]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  652.297185][T12374]  ? __kernel_text_address (kernel/extable.c:79)
[  652.297188][T12374]  ? write_profile (profile.c:?)
[  652.297191][T12374]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  652.297199][T12374]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  652.297202][T12374]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  652.297203][T12374]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  652.297205][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297206][T12374]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  652.297210][T12374]  ? kasan_save_stack (mm/kasan/common.c:58)
[  652.297212][T12374]  ? kasan_save_stack (mm/kasan/common.c:57)
[  652.297213][T12374]  ? kasan_save_track (mm/kasan/common.c:78)
[  652.297215][T12374]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  652.297216][T12374]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  652.297217][T12374]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  652.297219][T12374]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  652.297220][T12374]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  652.297223][T12374]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  652.297225][T12374]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  652.297227][T12374]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  652.297229][T12374]  ? ____sys_sendmsg (net/socket.c:2713)
[  652.297231][T12374]  ? ___sys_sendmsg (net/socket.c:2767)
[  652.297233][T12374]  ? __sys_sendmsg (net/socket.c:2799)
[  652.297234][T12374]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  652.297237][T12374]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  652.297240][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297241][T12374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.297243][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297244][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297245][T12374]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  652.297247][T12374]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  652.297248][T12374]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  652.297249][T12374]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  652.297251][T12374]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  652.297253][T12374]  ? nla_get_range_signed (lib/nlattr.c:270)
[  652.297256][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297258][T12374]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  652.297260][T12374]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  652.297262][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297264][T12374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  652.297265][T12374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.297267][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297268][T12374]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  652.297271][T12374]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  652.297272][T12374]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  652.297274][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297275][T12374]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  652.297279][T12374]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  652.297281][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297282][T12374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.297284][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297286][T12374]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  652.297287][T12374]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  652.297289][T12374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  652.297290][T12374]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  652.297292][T12374]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  652.297295][T12374]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  652.297297][T12374]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  652.297298][T12374]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.297300][T12374]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  652.297302][T12374]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  652.297305][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297306][T12374]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.297309][T12374]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  652.297311][T12374]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  652.297313][T12374]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  652.297315][T12374]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  652.297325][T12374]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  652.297328][T12374]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  652.297330][T12374]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.297332][T12374]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  652.297335][T12374]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  652.297337][T12374]  ____sys_sendmsg (net/socket.c:2713)
[  652.297339][T12374]  ? copy_msghdr_from_user (net/socket.c:2650)
[  652.297341][T12374]  ? sock_write_iter (net/socket.c:1269)
[  652.297343][T12374]  ? move_addr_to_kernel (net/socket.c:258)
[  652.297344][T12374]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  652.297347][T12374]  ___sys_sendmsg (net/socket.c:2767)
[  652.297349][T12374]  ? copy_msghdr_from_user (net/socket.c:2619)
[  652.297355][T12374]  __sys_sendmsg (net/socket.c:2799)
[  652.297357][T12374]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  652.297360][T12374]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.297362][T12374]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  652.297364][T12374]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  652.297366][T12374]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  652.297368][T12374] RIP: 0033:0x7fe8fc4c854e
[  652.297370][T12374] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  652.297372][T12374] RSP: 002b:00007ffd94944cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  652.297376][T12374] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe8fc4c854e
[  652.297378][T12374] RDX: 0000000000000000 RSI: 00007ffd94944da0 RDI: 0000000000000005
[  652.297379][T12374] RBP: 00007ffd94944d00 R08: 0000000000000000 R09: 0000000000000000
[  652.297380][T12374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127b5
[  652.297381][T12374] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd94945460
| [  653.846915][T12432] softirqs last disabled at (0): 0x0
| [  653.846918][T12432] Preemption disabled at:
| [  653.846919][T12432] vprintk_emit (kernel/printk/printk.c:2471)
| [  653.846933][T12432] Tainted: [W]=WARN
[  653.846935][T12432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  653.846937][T12432] Call Trace:
[  653.846939][T12432]  <TASK>
[  653.846941][T12432]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  653.846948][T12432]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  653.846950][T12432]  __might_resched.cold (kernel/sched/core.c:9234)
[  653.846955][T12432]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  653.846959][T12432]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  653.846963][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.846967][T12432]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  653.846971][T12432]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  653.846975][T12432]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  653.846981][T12432]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  653.846984][T12432]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  653.846988][T12432]  put_chars (drivers/char/virtio_console.c:1176)
[  653.846991][T12432]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  653.846994][T12432]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  653.846998][T12432]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  653.847005][T12432]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  653.847007][T12432]  ? vsnprintf (lib/vsprintf.c:2900)
[  653.847012][T12432]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  653.847015][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847017][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847020][T12432]  console_emit_next_record (kernel/printk/printk.c:3183)
[  653.847024][T12432]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  653.847027][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847030][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847032][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847034][T12432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.847038][T12432]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  653.847041][T12432]  console_flush_one_record (kernel/printk/printk.c:3268)
[  653.847044][T12432]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  653.847049][T12432]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  653.847052][T12432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.847055][T12432]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  653.847058][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847060][T12432]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  653.847062][T12432]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  653.847065][T12432]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  653.847068][T12432]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  653.847071][T12432]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  653.847073][T12432]  vprintk_emit (kernel/printk/printk.c:2479)
[  653.847076][T12432]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  653.847078][T12432]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  653.847081][T12432]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  653.847085][T12432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.847087][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847090][T12432]  _printk (kernel/printk/printk.c:2504)
[  653.847094][T12432]  ? snapshot_read.cold (user.c:?)
[  653.847097][T12432]  ? br_multicast_flood (??:?)
[  653.847102][T12432]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  653.847105][T12432]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  653.847107][T12432]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  653.847111][T12432]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  653.847115][T12432]  br_init_port (net/bridge/br_stp_if.c:39)
[  653.847118][T12432]  new_nbp (net/bridge/br_if.c:449)
[  653.847121][T12432]  br_add_if (net/bridge/br_if.c:592)
[  653.847124][T12432]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  653.847130][T12432]  do_set_master (net/core/rtnetlink.c:3071)
[  653.847133][T12432]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  653.847137][T12432]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  653.847139][T12432]  ? __dev_get_by_name (net/core/dev.c:905)
[  653.847142][T12432]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  653.847148][T12432]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  653.847153][T12432]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  653.847156][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847158][T12432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  653.847161][T12432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.847163][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847166][T12432]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  653.847170][T12432]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  653.847173][T12432]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  653.847176][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847179][T12432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.847181][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847183][T12432]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  653.847185][T12432]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  653.847188][T12432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  653.847190][T12432]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  653.847192][T12432]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  653.847201][T12432]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  653.847205][T12432]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  653.847208][T12432]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  653.847210][T12432]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  653.847212][T12432]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  653.847217][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847219][T12432]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  653.847223][T12432]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  653.847226][T12432]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  653.847229][T12432]  ? next_uptodate_folio (mm/filemap.c:3747)
[  653.847234][T12432]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  653.847238][T12432]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  653.847241][T12432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.847243][T12432]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  653.847248][T12432]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  653.847252][T12432]  ____sys_sendmsg (net/socket.c:2713)
[  653.847255][T12432]  ? copy_msghdr_from_user (net/socket.c:2650)
[  653.847258][T12432]  ? sock_write_iter (net/socket.c:1269)
[  653.847260][T12432]  ? move_addr_to_kernel (net/socket.c:258)
[  653.847263][T12432]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  653.847267][T12432]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  653.847270][T12432]  ___sys_sendmsg (net/socket.c:2767)
[  653.847273][T12432]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  653.847276][T12432]  ? copy_msghdr_from_user (net/socket.c:2619)
[  653.847279][T12432]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  653.847287][T12432]  __sys_sendmsg (net/socket.c:2799)
[  653.847290][T12432]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  653.847294][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847297][T12432]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  653.847299][T12432]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  653.847303][T12432]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  653.847306][T12432]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  653.847310][T12432] RIP: 0033:0x7f8de2ada54e
[  653.847312][T12432] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  653.847316][T12432] RSP: 002b:00007ffce9c74dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  653.847321][T12432] RAX: ffffffffffffffda RBX: 00007ffce9c75588 RCX: 00007f8de2ada54e
[  653.847323][T12432] RDX: 0000000000000000 RSI: 00007ffce9c74e70 RDI: 0000000000000005
[  653.847325][T12432] RBP: 00007ffce9c74dd0 R08: 0000000000000000 R09: 0000000000000000
[  653.847331][T12432] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127b7
[  653.847333][T12432] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce9c75540
| [  660.207314][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  660.207317][   T71] Preemption disabled at:
| [  660.207319][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  660.207333][   T71] Tainted: [W]=WARN
[  660.207335][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  660.207338][   T71] Workqueue: netns cleanup_net
[  660.207345][   T71] Call Trace:
[  660.207347][   T71]  <TASK>
[  660.207350][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  660.207357][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  660.207359][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  660.207364][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  660.207367][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  660.207379][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.207383][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  660.207387][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.207391][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.207397][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  660.207400][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.207404][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  660.207407][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  660.207410][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  660.207414][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  660.207421][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  660.207424][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  660.207428][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.207430][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.207432][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.207436][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  660.207440][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  660.207443][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.207445][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.207447][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.207449][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.207453][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  660.207456][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  660.207460][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  660.207465][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  660.207467][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.207470][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  660.207473][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.207475][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  660.207478][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  660.207480][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  660.207483][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  660.207486][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  660.207489][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  660.207492][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  660.207494][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  660.207497][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  660.207501][   T71]  ? kthread (kernel/kthread.c:436)
[  660.207504][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  660.207508][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  660.207513][   T71]  _printk (kernel/printk/printk.c:2504)
[  660.207517][   T71]  ? snapshot_read.cold (user.c:?)
[  660.207521][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  660.207526][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  660.207529][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  660.207533][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  660.207537][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.207539][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  660.207541][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  660.207546][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  660.207548][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  660.207551][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  660.207555][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  660.207559][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  660.207565][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  660.207568][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  660.207572][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  660.207576][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  660.207579][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  660.207584][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  660.207587][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  660.207591][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.207593][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.207597][   T71]  process_one_work (kernel/workqueue.c:3387)
[  660.207602][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  660.207606][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.207610][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  660.207614][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  660.207617][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  660.207620][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  660.207623][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  660.207627][   T71]  kthread (kernel/kthread.c:436)
[  660.207630][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  660.207633][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  660.207637][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  660.207640][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  660.207643][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  660.207648][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  660.207652][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  661.297091][T12522] softirqs last disabled at (0): 0x0
| [  661.297093][T12522] Preemption disabled at:
| [  661.297094][T12522] vprintk_emit (kernel/printk/printk.c:2471)
| [  661.297105][T12522] Tainted: [W]=WARN
[  661.297106][T12522] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  661.297108][T12522] Call Trace:
[  661.297110][T12522]  <TASK>
[  661.297111][T12522]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  661.297117][T12522]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  661.297119][T12522]  __might_resched.cold (kernel/sched/core.c:9234)
[  661.297123][T12522]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  661.297126][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297129][T12522]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  661.297132][T12522]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  661.297135][T12522]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  661.297140][T12522]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  661.297142][T12522]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  661.297145][T12522]  put_chars (drivers/char/virtio_console.c:1176)
[  661.297147][T12522]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  661.297148][T12522]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  661.297151][T12522]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  661.297153][T12522]  ? pointer (lib/vsprintf.c:2577)
[  661.297157][T12522]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  661.297161][T12522]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  661.297163][T12522]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  661.297165][T12522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.297168][T12522]  console_emit_next_record (kernel/printk/printk.c:3183)
[  661.297171][T12522]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  661.297173][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297174][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297175][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297176][T12522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.297178][T12522]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  661.297180][T12522]  console_flush_one_record (kernel/printk/printk.c:3268)
[  661.297183][T12522]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  661.297186][T12522]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  661.297188][T12522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.297190][T12522]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  661.297191][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297193][T12522]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  661.297198][T12522]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  661.297200][T12522]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  661.297202][T12522]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  661.297204][T12522]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  661.297206][T12522]  vprintk_emit (kernel/printk/printk.c:2479)
[  661.297207][T12522]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  661.297209][T12522]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  661.297211][T12522]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  661.297215][T12522]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  661.297217][T12522]  _printk (kernel/printk/printk.c:2504)
[  661.297220][T12522]  ? snapshot_read.cold (user.c:?)
[  661.297222][T12522]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  661.297225][T12522]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  661.297228][T12522]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  661.297230][T12522]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  661.297233][T12522]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  661.297236][T12522]  ? netdev_notice (net/core/dev.c:13194)
[  661.297238][T12522]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  661.297240][T12522]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  661.297242][T12522]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  661.297244][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297245][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297247][T12522]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  661.297248][T12522]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  661.297250][T12522]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  661.297251][T12522]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  661.297253][T12522]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  661.297254][T12522]  ? register_netdev (net/core/dev.c:11618)
[  661.297256][T12522]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  661.297258][T12522]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  661.297261][T12522]  ? __kernel_text_address (kernel/extable.c:79)
[  661.297263][T12522]  ? write_profile (profile.c:?)
[  661.297266][T12522]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  661.297270][T12522]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  661.297272][T12522]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  661.297273][T12522]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  661.297275][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297276][T12522]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  661.297279][T12522]  ? kasan_save_stack (mm/kasan/common.c:58)
[  661.297281][T12522]  ? kasan_save_stack (mm/kasan/common.c:57)
[  661.297282][T12522]  ? kasan_save_track (mm/kasan/common.c:78)
[  661.297283][T12522]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  661.297285][T12522]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  661.297286][T12522]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  661.297287][T12522]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  661.297288][T12522]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  661.297291][T12522]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  661.297293][T12522]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  661.297294][T12522]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  661.297297][T12522]  ? ____sys_sendmsg (net/socket.c:2713)
[  661.297299][T12522]  ? ___sys_sendmsg (net/socket.c:2767)
[  661.297300][T12522]  ? __sys_sendmsg (net/socket.c:2799)
[  661.297302][T12522]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  661.297304][T12522]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  661.297307][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297308][T12522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.297310][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297311][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297312][T12522]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  661.297314][T12522]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  661.297315][T12522]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  661.297316][T12522]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  661.297318][T12522]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  661.297319][T12522]  ? nla_get_range_signed (lib/nlattr.c:270)
[  661.297323][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297324][T12522]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  661.297326][T12522]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  661.297329][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297330][T12522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  661.297331][T12522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.297333][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297334][T12522]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  661.297337][T12522]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  661.297338][T12522]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  661.297340][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297341][T12522]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  661.297344][T12522]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  661.297347][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297348][T12522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.297350][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297351][T12522]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  661.297352][T12522]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  661.297354][T12522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  661.297356][T12522]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  661.297357][T12522]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  661.297360][T12522]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  661.297362][T12522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  661.297363][T12522]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  661.297365][T12522]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  661.297366][T12522]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  661.297370][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297371][T12522]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  661.297373][T12522]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  661.297375][T12522]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  661.297377][T12522]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  661.297384][T12522]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  661.297386][T12522]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  661.297388][T12522]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  661.297390][T12522]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  661.297391][T12522]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  661.297395][T12522]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  661.297397][T12522]  ____sys_sendmsg (net/socket.c:2713)
[  661.297398][T12522]  ? copy_msghdr_from_user (net/socket.c:2650)
[  661.297400][T12522]  ? sock_write_iter (net/socket.c:1269)
[  661.297402][T12522]  ? move_addr_to_kernel (net/socket.c:258)
[  661.297403][T12522]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  661.297406][T12522]  ___sys_sendmsg (net/socket.c:2767)
[  661.297408][T12522]  ? copy_msghdr_from_user (net/socket.c:2619)
[  661.297413][T12522]  __sys_sendmsg (net/socket.c:2799)
[  661.297415][T12522]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  661.297418][T12522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  661.297420][T12522]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  661.297422][T12522]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  661.297424][T12522]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  661.297426][T12522] RIP: 0033:0x7f68dbbf054e
[  661.297428][T12522] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  661.297430][T12522] RSP: 002b:00007fff853d8660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  661.297433][T12522] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f68dbbf054e
[  661.297435][T12522] RDX: 0000000000000000 RSI: 00007fff853d8710 RDI: 0000000000000005
[  661.297436][T12522] RBP: 00007fff853d8670 R08: 0000000000000000 R09: 0000000000000000
[  661.297437][T12522] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127be
[  661.297438][T12522] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff853d8dd0
| [  662.819697][T12599] softirqs last disabled at (0): 0x0
| [  662.819699][T12599] Preemption disabled at:
| [  662.819701][T12599] vprintk_emit (kernel/printk/printk.c:2471)
| [  662.819715][T12599] Tainted: [W]=WARN
[  662.819716][T12599] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  662.819719][T12599] Call Trace:
[  662.819721][T12599]  <TASK>
[  662.819723][T12599]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  662.819730][T12599]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  662.819733][T12599]  __might_resched.cold (kernel/sched/core.c:9234)
[  662.819738][T12599]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  662.819741][T12599]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  662.819745][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819749][T12599]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  662.819753][T12599]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  662.819757][T12599]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  662.819764][T12599]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  662.819767][T12599]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  662.819771][T12599]  put_chars (drivers/char/virtio_console.c:1176)
[  662.819773][T12599]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  662.819776][T12599]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  662.819781][T12599]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  662.819787][T12599]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  662.819790][T12599]  ? vsnprintf (lib/vsprintf.c:2900)
[  662.819794][T12599]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  662.819797][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819799][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819802][T12599]  console_emit_next_record (kernel/printk/printk.c:3183)
[  662.819807][T12599]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  662.819810][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819812][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819814][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819816][T12599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.819820][T12599]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  662.819823][T12599]  console_flush_one_record (kernel/printk/printk.c:3268)
[  662.819827][T12599]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  662.819831][T12599]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  662.819834][T12599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.819837][T12599]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  662.819840][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819841][T12599]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  662.819844][T12599]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  662.819847][T12599]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  662.819849][T12599]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  662.819852][T12599]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  662.819855][T12599]  vprintk_emit (kernel/printk/printk.c:2479)
[  662.819858][T12599]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  662.819860][T12599]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  662.819863][T12599]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  662.819867][T12599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.819869][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819872][T12599]  _printk (kernel/printk/printk.c:2504)
[  662.819876][T12599]  ? snapshot_read.cold (user.c:?)
[  662.819880][T12599]  ? br_multicast_flood (??:?)
[  662.819884][T12599]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  662.819888][T12599]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  662.819890][T12599]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  662.819893][T12599]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  662.819898][T12599]  br_init_port (net/bridge/br_stp_if.c:39)
[  662.819900][T12599]  new_nbp (net/bridge/br_if.c:449)
[  662.819904][T12599]  br_add_if (net/bridge/br_if.c:592)
[  662.819907][T12599]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  662.819913][T12599]  do_set_master (net/core/rtnetlink.c:3071)
[  662.819916][T12599]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  662.819919][T12599]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  662.819922][T12599]  ? __dev_get_by_name (net/core/dev.c:905)
[  662.819924][T12599]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  662.819931][T12599]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  662.819935][T12599]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  662.819939][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819941][T12599]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  662.819944][T12599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.819946][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819949][T12599]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  662.819952][T12599]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  662.819955][T12599]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  662.819959][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819961][T12599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.819964][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.819966][T12599]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  662.819969][T12599]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  662.819972][T12599]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  662.819974][T12599]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  662.819977][T12599]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  662.819982][T12599]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  662.819986][T12599]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  662.819989][T12599]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  662.819991][T12599]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  662.819994][T12599]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  662.819999][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.820001][T12599]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  662.820004][T12599]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  662.820008][T12599]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  662.820011][T12599]  ? next_uptodate_folio (mm/filemap.c:3747)
[  662.820016][T12599]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  662.820019][T12599]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  662.820023][T12599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.820025][T12599]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  662.820030][T12599]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  662.820034][T12599]  ____sys_sendmsg (net/socket.c:2713)
[  662.820037][T12599]  ? copy_msghdr_from_user (net/socket.c:2650)
[  662.820040][T12599]  ? sock_write_iter (net/socket.c:1269)
[  662.820043][T12599]  ? move_addr_to_kernel (net/socket.c:258)
[  662.820046][T12599]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  662.820050][T12599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.820053][T12599]  ___sys_sendmsg (net/socket.c:2767)
[  662.820056][T12599]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  662.820059][T12599]  ? copy_msghdr_from_user (net/socket.c:2619)
[  662.820061][T12599]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  662.820070][T12599]  __sys_sendmsg (net/socket.c:2799)
[  662.820073][T12599]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  662.820077][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.820080][T12599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.820082][T12599]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  662.820086][T12599]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  662.820089][T12599]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  662.820093][T12599] RIP: 0033:0x7fc1c3e9754e
[  662.820096][T12599] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  662.820099][T12599] RSP: 002b:00007fff82f8d230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  662.820104][T12599] RAX: ffffffffffffffda RBX: 00007fff82f8d9f8 RCX: 00007fc1c3e9754e
[  662.820106][T12599] RDX: 0000000000000000 RSI: 00007fff82f8d2e0 RDI: 0000000000000005
[  662.820108][T12599] RBP: 00007fff82f8d240 R08: 0000000000000000 R09: 0000000000000000
[  662.820110][T12599] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127c0
[  662.820111][T12599] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff82f8d9b0
| [  664.339684][T12658] softirqs last disabled at (0): 0x0
| [  664.339686][T12658] Preemption disabled at:
| [  664.339687][T12658] vprintk_emit (kernel/printk/printk.c:2471)
| [  664.339697][T12658] Tainted: [W]=WARN
[  664.339698][T12658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  664.339700][T12658] Call Trace:
[  664.339701][T12658]  <TASK>
[  664.339703][T12658]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  664.339708][T12658]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  664.339710][T12658]  __might_resched.cold (kernel/sched/core.c:9234)
[  664.339713][T12658]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  664.339716][T12658]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  664.339719][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339722][T12658]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  664.339725][T12658]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  664.339728][T12658]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  664.339733][T12658]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  664.339735][T12658]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  664.339738][T12658]  put_chars (drivers/char/virtio_console.c:1176)
[  664.339740][T12658]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  664.339743][T12658]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  664.339747][T12658]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  664.339753][T12658]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  664.339755][T12658]  ? vsnprintf (lib/vsprintf.c:2900)
[  664.339759][T12658]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  664.339761][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339764][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339767][T12658]  console_emit_next_record (kernel/printk/printk.c:3183)
[  664.339770][T12658]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  664.339773][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339775][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339777][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339779][T12658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.339783][T12658]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  664.339786][T12658]  console_flush_one_record (kernel/printk/printk.c:3268)
[  664.339790][T12658]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  664.339794][T12658]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  664.339796][T12658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.339798][T12658]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  664.339800][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339801][T12658]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  664.339802][T12658]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  664.339804][T12658]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  664.339806][T12658]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  664.339808][T12658]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  664.339810][T12658]  vprintk_emit (kernel/printk/printk.c:2479)
[  664.339811][T12658]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  664.339813][T12658]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  664.339814][T12658]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  664.339817][T12658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.339819][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339821][T12658]  _printk (kernel/printk/printk.c:2504)
[  664.339824][T12658]  ? snapshot_read.cold (user.c:?)
[  664.339826][T12658]  ? br_multicast_flood (??:?)
[  664.339830][T12658]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  664.339833][T12658]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  664.339834][T12658]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  664.339836][T12658]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  664.339839][T12658]  br_init_port (net/bridge/br_stp_if.c:39)
[  664.339841][T12658]  new_nbp (net/bridge/br_if.c:449)
[  664.339843][T12658]  br_add_if (net/bridge/br_if.c:592)
[  664.339845][T12658]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  664.339850][T12658]  do_set_master (net/core/rtnetlink.c:3071)
[  664.339852][T12658]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  664.339853][T12658]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  664.339855][T12658]  ? __dev_get_by_name (net/core/dev.c:905)
[  664.339857][T12658]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  664.339861][T12658]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  664.339863][T12658]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  664.339865][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339867][T12658]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  664.339868][T12658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.339870][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339871][T12658]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  664.339874][T12658]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  664.339876][T12658]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  664.339878][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339879][T12658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.339881][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339882][T12658]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  664.339884][T12658]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  664.339886][T12658]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  664.339887][T12658]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  664.339889][T12658]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  664.339892][T12658]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  664.339895][T12658]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  664.339897][T12658]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  664.339899][T12658]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  664.339900][T12658]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  664.339903][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339905][T12658]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  664.339907][T12658]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  664.339909][T12658]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  664.339911][T12658]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  664.339914][T12658]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  664.339917][T12658]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  664.339919][T12658]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  664.339921][T12658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.339923][T12658]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  664.339927][T12658]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  664.339929][T12658]  ____sys_sendmsg (net/socket.c:2713)
[  664.339931][T12658]  ? copy_msghdr_from_user (net/socket.c:2650)
[  664.339933][T12658]  ? sock_write_iter (net/socket.c:1269)
[  664.339935][T12658]  ? move_addr_to_kernel (net/socket.c:258)
[  664.339937][T12658]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  664.339940][T12658]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.339942][T12658]  ___sys_sendmsg (net/socket.c:2767)
[  664.339944][T12658]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  664.339945][T12658]  ? copy_msghdr_from_user (net/socket.c:2619)
[  664.339947][T12658]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  664.339952][T12658]  __sys_sendmsg (net/socket.c:2799)
[  664.339954][T12658]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  664.339957][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339958][T12658]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.339960][T12658]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  664.339962][T12658]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  664.339964][T12658]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  664.339967][T12658] RIP: 0033:0x7f49cd7d754e
[  664.339969][T12658] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  664.339971][T12658] RSP: 002b:00007ffe97d59440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  664.339975][T12658] RAX: ffffffffffffffda RBX: 00007ffe97d59c08 RCX: 00007f49cd7d754e
[  664.339977][T12658] RDX: 0000000000000000 RSI: 00007ffe97d594f0 RDI: 0000000000000005
[  664.339978][T12658] RBP: 00007ffe97d59450 R08: 0000000000000000 R09: 0000000000000000
[  664.339979][T12658] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127c1
[  664.339980][T12658] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe97d59bc0
| [  671.500987][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  671.500991][   T71] Preemption disabled at:
| [  671.500992][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  671.501007][   T71] Tainted: [W]=WARN
[  671.501008][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  671.501011][   T71] Workqueue: netns cleanup_net
[  671.501018][   T71] Call Trace:
[  671.501020][   T71]  <TASK>
[  671.501023][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  671.501030][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  671.501032][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  671.501037][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  671.501040][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  671.501045][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.501049][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  671.501053][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  671.501057][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  671.501063][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  671.501066][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  671.501070][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  671.501073][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  671.501076][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  671.501080][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  671.501087][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  671.501090][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  671.501093][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  671.501096][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.501098][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.501101][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  671.501105][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  671.501108][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.501110][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.501112][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.501114][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.501118][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  671.501121][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  671.501125][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  671.501129][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  671.501132][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.501134][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  671.501137][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.501139][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  671.501142][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  671.501144][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  671.501147][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  671.501150][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  671.501153][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  671.501156][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  671.501158][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  671.501161][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  671.501165][   T71]  ? kthread (kernel/kthread.c:436)
[  671.501168][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  671.501171][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  671.501176][   T71]  _printk (kernel/printk/printk.c:2504)
[  671.501180][   T71]  ? snapshot_read.cold (user.c:?)
[  671.501183][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  671.501188][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  671.501191][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  671.501195][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  671.501202][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.501204][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  671.501206][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  671.501210][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  671.501213][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  671.501215][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  671.501219][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  671.501223][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  671.501228][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  671.501232][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  671.501236][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  671.501239][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  671.501242][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  671.501247][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  671.501250][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  671.501253][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  671.501256][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  671.501259][   T71]  process_one_work (kernel/workqueue.c:3387)
[  671.501263][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  671.501268][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  671.501272][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  671.501276][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  671.501278][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  671.501282][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  671.501285][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  671.501288][   T71]  kthread (kernel/kthread.c:436)
[  671.501290][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  671.501293][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  671.501296][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  671.501299][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  671.501303][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  671.501306][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  671.501309][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  672.531833][T12779] softirqs last disabled at (0): 0x0
| [  672.531836][T12779] Preemption disabled at:
| [  672.531837][T12779] vprintk_emit (kernel/printk/printk.c:2471)
| [  672.531851][T12779] Tainted: [W]=WARN
[  672.531852][T12779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  672.531855][T12779] Call Trace:
[  672.531857][T12779]  <TASK>
[  672.531859][T12779]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  672.531865][T12779]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  672.531868][T12779]  __might_resched.cold (kernel/sched/core.c:9234)
[  672.531873][T12779]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  672.531877][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.531881][T12779]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  672.531885][T12779]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  672.531889][T12779]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  672.531895][T12779]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  672.531898][T12779]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  672.531902][T12779]  put_chars (drivers/char/virtio_console.c:1176)
[  672.531905][T12779]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  672.531906][T12779]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  672.531910][T12779]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  672.531914][T12779]  ? pointer (lib/vsprintf.c:2577)
[  672.531918][T12779]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  672.531925][T12779]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  672.531928][T12779]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  672.531930][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.531935][T12779]  console_emit_next_record (kernel/printk/printk.c:3183)
[  672.531939][T12779]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  672.531942][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.531944][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.531945][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.531947][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.531950][T12779]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  672.531953][T12779]  console_flush_one_record (kernel/printk/printk.c:3268)
[  672.531957][T12779]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  672.531961][T12779]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  672.531964][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.531966][T12779]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  672.531969][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.531970][T12779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  672.531973][T12779]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  672.531975][T12779]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  672.531977][T12779]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  672.531981][T12779]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  672.531983][T12779]  vprintk_emit (kernel/printk/printk.c:2479)
[  672.531986][T12779]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  672.531988][T12779]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  672.531992][T12779]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  672.531996][T12779]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  672.532000][T12779]  _printk (kernel/printk/printk.c:2504)
[  672.532004][T12779]  ? snapshot_read.cold (user.c:?)
[  672.532007][T12779]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  672.532010][T12779]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  672.532014][T12779]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  672.532017][T12779]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  672.532022][T12779]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  672.532025][T12779]  ? netdev_notice (net/core/dev.c:13194)
[  672.532028][T12779]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  672.532031][T12779]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  672.532035][T12779]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  672.532037][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532039][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532041][T12779]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  672.532044][T12779]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  672.532046][T12779]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  672.532048][T12779]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  672.532050][T12779]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  672.532053][T12779]  ? register_netdev (net/core/dev.c:11618)
[  672.532056][T12779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  672.532059][T12779]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  672.532062][T12779]  ? __kernel_text_address (kernel/extable.c:79)
[  672.532066][T12779]  ? write_profile (profile.c:?)
[  672.532069][T12779]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  672.532074][T12779]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  672.532077][T12779]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  672.532080][T12779]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  672.532082][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532084][T12779]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  672.532089][T12779]  ? kasan_save_stack (mm/kasan/common.c:58)
[  672.532091][T12779]  ? kasan_save_stack (mm/kasan/common.c:57)
[  672.532093][T12779]  ? kasan_save_track (mm/kasan/common.c:78)
[  672.532095][T12779]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  672.532097][T12779]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  672.532099][T12779]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  672.532101][T12779]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  672.532103][T12779]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  672.532107][T12779]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  672.532109][T12779]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  672.532112][T12779]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  672.532115][T12779]  ? ____sys_sendmsg (net/socket.c:2713)
[  672.532117][T12779]  ? ___sys_sendmsg (net/socket.c:2767)
[  672.532119][T12779]  ? __sys_sendmsg (net/socket.c:2799)
[  672.532122][T12779]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  672.532126][T12779]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  672.532130][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532132][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.532134][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532136][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532138][T12779]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  672.532140][T12779]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  672.532142][T12779]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  672.532144][T12779]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  672.532147][T12779]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  672.532149][T12779]  ? nla_get_range_signed (lib/nlattr.c:270)
[  672.532154][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532157][T12779]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  672.532160][T12779]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  672.532164][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532166][T12779]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  672.532168][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.532170][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532173][T12779]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  672.532176][T12779]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  672.532178][T12779]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  672.532181][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532183][T12779]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  672.532187][T12779]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  672.532190][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532197][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.532200][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532202][T12779]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  672.532204][T12779]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  672.532208][T12779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  672.532210][T12779]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  672.532213][T12779]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  672.532217][T12779]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  672.532220][T12779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  672.532222][T12779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  672.532225][T12779]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  672.532227][T12779]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  672.532232][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532234][T12779]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  672.532238][T12779]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  672.532241][T12779]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  672.532244][T12779]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  672.532247][T12779]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  672.532251][T12779]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  672.532253][T12779]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  672.532256][T12779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  672.532258][T12779]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  672.532263][T12779]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  672.532265][T12779]  ____sys_sendmsg (net/socket.c:2713)
[  672.532268][T12779]  ? copy_msghdr_from_user (net/socket.c:2650)
[  672.532271][T12779]  ? sock_write_iter (net/socket.c:1269)
[  672.532273][T12779]  ? move_addr_to_kernel (net/socket.c:258)
[  672.532275][T12779]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  672.532279][T12779]  ___sys_sendmsg (net/socket.c:2767)
[  672.532282][T12779]  ? copy_msghdr_from_user (net/socket.c:2619)
[  672.532290][T12779]  __sys_sendmsg (net/socket.c:2799)
[  672.532293][T12779]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  672.532298][T12779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  672.532300][T12779]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  672.532303][T12779]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  672.532306][T12779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  672.532309][T12779] RIP: 0033:0x7fa69d97454e
[  672.532312][T12779] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  672.532315][T12779] RSP: 002b:00007ffc7f7ff5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  672.532320][T12779] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa69d97454e
[  672.532322][T12779] RDX: 0000000000000000 RSI: 00007ffc7f7ff680 RDI: 0000000000000005
[  672.532324][T12779] RBP: 00007ffc7f7ff5e0 R08: 0000000000000000 R09: 0000000000000000
[  672.532325][T12779] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127c9
[  672.532327][T12779] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7f7ffd40
| [  674.162336][T12854] softirqs last disabled at (0): 0x0
| [  674.162339][T12854] Preemption disabled at:
| [  674.162340][T12854] vprintk_emit (kernel/printk/printk.c:2471)
| [  674.162354][T12854] Tainted: [W]=WARN
[  674.162356][T12854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  674.162359][T12854] Call Trace:
[  674.162361][T12854]  <TASK>
[  674.162363][T12854]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  674.162370][T12854]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  674.162373][T12854]  __might_resched.cold (kernel/sched/core.c:9234)
[  674.162377][T12854]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  674.162381][T12854]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  674.162385][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162389][T12854]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  674.162394][T12854]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  674.162398][T12854]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  674.162405][T12854]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  674.162408][T12854]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  674.162412][T12854]  put_chars (drivers/char/virtio_console.c:1176)
[  674.162416][T12854]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  674.162419][T12854]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  674.162424][T12854]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  674.162431][T12854]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  674.162434][T12854]  ? vsnprintf (lib/vsprintf.c:2900)
[  674.162439][T12854]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  674.162442][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162444][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162448][T12854]  console_emit_next_record (kernel/printk/printk.c:3183)
[  674.162452][T12854]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  674.162456][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162459][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162461][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162463][T12854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.162473][T12854]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  674.162476][T12854]  console_flush_one_record (kernel/printk/printk.c:3268)
[  674.162481][T12854]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  674.162486][T12854]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  674.162490][T12854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.162493][T12854]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  674.162496][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162498][T12854]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  674.162501][T12854]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  674.162504][T12854]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  674.162507][T12854]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  674.162510][T12854]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  674.162513][T12854]  vprintk_emit (kernel/printk/printk.c:2479)
[  674.162516][T12854]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  674.162519][T12854]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  674.162522][T12854]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  674.162526][T12854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.162528][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162531][T12854]  _printk (kernel/printk/printk.c:2504)
[  674.162536][T12854]  ? snapshot_read.cold (user.c:?)
[  674.162539][T12854]  ? br_multicast_flood (??:?)
[  674.162544][T12854]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  674.162548][T12854]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  674.162550][T12854]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  674.162553][T12854]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  674.162558][T12854]  br_init_port (net/bridge/br_stp_if.c:39)
[  674.162561][T12854]  new_nbp (net/bridge/br_if.c:449)
[  674.162565][T12854]  br_add_if (net/bridge/br_if.c:592)
[  674.162568][T12854]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  674.162574][T12854]  do_set_master (net/core/rtnetlink.c:3071)
[  674.162577][T12854]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  674.162581][T12854]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  674.162584][T12854]  ? __dev_get_by_name (net/core/dev.c:905)
[  674.162587][T12854]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  674.162594][T12854]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  674.162599][T12854]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  674.162603][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162606][T12854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.162608][T12854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.162611][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162614][T12854]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  674.162618][T12854]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  674.162622][T12854]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  674.162626][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162628][T12854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.162631][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162634][T12854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.162637][T12854]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  674.162640][T12854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  674.162643][T12854]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  674.162646][T12854]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  674.162652][T12854]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  674.162657][T12854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  674.162660][T12854]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  674.162663][T12854]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  674.162666][T12854]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  674.162671][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162674][T12854]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  674.162677][T12854]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  674.162681][T12854]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  674.162685][T12854]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  674.162688][T12854]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  674.162693][T12854]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  674.162697][T12854]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  674.162700][T12854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.162703][T12854]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  674.162708][T12854]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  674.162712][T12854]  ____sys_sendmsg (net/socket.c:2713)
[  674.162715][T12854]  ? copy_msghdr_from_user (net/socket.c:2650)
[  674.162718][T12854]  ? sock_write_iter (net/socket.c:1269)
[  674.162721][T12854]  ? move_addr_to_kernel (net/socket.c:258)
[  674.162725][T12854]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  674.162729][T12854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.162733][T12854]  ___sys_sendmsg (net/socket.c:2767)
[  674.162735][T12854]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  674.162739][T12854]  ? copy_msghdr_from_user (net/socket.c:2619)
[  674.162742][T12854]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  674.162751][T12854]  __sys_sendmsg (net/socket.c:2799)
[  674.162754][T12854]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  674.162759][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162762][T12854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.162765][T12854]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  674.162769][T12854]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  674.162773][T12854]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  674.162777][T12854] RIP: 0033:0x7fbe9bfbf54e
[  674.162780][T12854] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  674.162784][T12854] RSP: 002b:00007fffa493eb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  674.162789][T12854] RAX: ffffffffffffffda RBX: 00007fffa493f2e8 RCX: 00007fbe9bfbf54e
[  674.162792][T12854] RDX: 0000000000000000 RSI: 00007fffa493ebd0 RDI: 0000000000000005
[  674.162793][T12854] RBP: 00007fffa493eb30 R08: 0000000000000000 R09: 0000000000000000
[  674.162795][T12854] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127cb
[  674.162797][T12854] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa493f2a0
| [  675.273346][T12892] softirqs last disabled at (0): 0x0
| [  675.273348][T12892] Preemption disabled at:
| [  675.273350][T12892] vprintk_emit (kernel/printk/printk.c:2471)
| [  675.273364][T12892] Tainted: [W]=WARN
[  675.273365][T12892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  675.273368][T12892] Call Trace:
[  675.273370][T12892]  <TASK>
[  675.273372][T12892]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  675.273378][T12892]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  675.273381][T12892]  __might_resched.cold (kernel/sched/core.c:9234)
[  675.273386][T12892]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  675.273391][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273394][T12892]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  675.273398][T12892]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  675.273403][T12892]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  675.273409][T12892]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  675.273412][T12892]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  675.273416][T12892]  put_chars (drivers/char/virtio_console.c:1176)
[  675.273419][T12892]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  675.273421][T12892]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  675.273424][T12892]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  675.273428][T12892]  ? pointer (lib/vsprintf.c:2577)
[  675.273433][T12892]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  675.273439][T12892]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  675.273442][T12892]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  675.273445][T12892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.273450][T12892]  console_emit_next_record (kernel/printk/printk.c:3183)
[  675.273454][T12892]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  675.273457][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273460][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273462][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273464][T12892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.273467][T12892]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  675.273470][T12892]  console_flush_one_record (kernel/printk/printk.c:3268)
[  675.273479][T12892]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  675.273483][T12892]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  675.273486][T12892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.273489][T12892]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  675.273492][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273494][T12892]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  675.273497][T12892]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  675.273499][T12892]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  675.273502][T12892]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  675.273505][T12892]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  675.273508][T12892]  vprintk_emit (kernel/printk/printk.c:2479)
[  675.273511][T12892]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  675.273513][T12892]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  675.273517][T12892]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  675.273521][T12892]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  675.273525][T12892]  _printk (kernel/printk/printk.c:2504)
[  675.273529][T12892]  ? snapshot_read.cold (user.c:?)
[  675.273533][T12892]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  675.273536][T12892]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  675.273540][T12892]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  675.273543][T12892]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  675.273548][T12892]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  675.273551][T12892]  ? netdev_notice (net/core/dev.c:13194)
[  675.273555][T12892]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  675.273557][T12892]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  675.273561][T12892]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  675.273564][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273566][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273568][T12892]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  675.273571][T12892]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  675.273573][T12892]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  675.273576][T12892]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  675.273578][T12892]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  675.273581][T12892]  ? register_netdev (net/core/dev.c:11618)
[  675.273583][T12892]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  675.273587][T12892]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  675.273591][T12892]  ? __kernel_text_address (kernel/extable.c:79)
[  675.273594][T12892]  ? write_profile (profile.c:?)
[  675.273598][T12892]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  675.273603][T12892]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  675.273607][T12892]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  675.273610][T12892]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  675.273612][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273614][T12892]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  675.273619][T12892]  ? kasan_save_stack (mm/kasan/common.c:58)
[  675.273622][T12892]  ? kasan_save_stack (mm/kasan/common.c:57)
[  675.273624][T12892]  ? kasan_save_track (mm/kasan/common.c:78)
[  675.273626][T12892]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  675.273629][T12892]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  675.273631][T12892]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  675.273633][T12892]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  675.273636][T12892]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  675.273639][T12892]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  675.273642][T12892]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  675.273645][T12892]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  675.273648][T12892]  ? ____sys_sendmsg (net/socket.c:2713)
[  675.273650][T12892]  ? ___sys_sendmsg (net/socket.c:2767)
[  675.273653][T12892]  ? __sys_sendmsg (net/socket.c:2799)
[  675.273656][T12892]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  675.273659][T12892]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  675.273663][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273665][T12892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.273668][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273670][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273672][T12892]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  675.273675][T12892]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  675.273677][T12892]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  675.273679][T12892]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  675.273682][T12892]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  675.273684][T12892]  ? nla_get_range_signed (lib/nlattr.c:270)
[  675.273689][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273692][T12892]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  675.273696][T12892]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  675.273699][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273702][T12892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  675.273704][T12892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.273707][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273709][T12892]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  675.273713][T12892]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  675.273715][T12892]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  675.273718][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273720][T12892]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  675.273724][T12892]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  675.273728][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273730][T12892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.273732][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273735][T12892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  675.273737][T12892]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  675.273741][T12892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  675.273743][T12892]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  675.273746][T12892]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  675.273750][T12892]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  675.273753][T12892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  675.273755][T12892]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  675.273758][T12892]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  675.273761][T12892]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  675.273766][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273768][T12892]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  675.273772][T12892]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  675.273775][T12892]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  675.273778][T12892]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  675.273782][T12892]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  675.273786][T12892]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  675.273788][T12892]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  675.273791][T12892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  675.273794][T12892]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  675.273798][T12892]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  675.273802][T12892]  ____sys_sendmsg (net/socket.c:2713)
[  675.273805][T12892]  ? copy_msghdr_from_user (net/socket.c:2650)
[  675.273807][T12892]  ? sock_write_iter (net/socket.c:1269)
[  675.273810][T12892]  ? move_addr_to_kernel (net/socket.c:258)
[  675.273812][T12892]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  675.273817][T12892]  ___sys_sendmsg (net/socket.c:2767)
[  675.273820][T12892]  ? copy_msghdr_from_user (net/socket.c:2619)
[  675.273829][T12892]  __sys_sendmsg (net/socket.c:2799)
[  675.273832][T12892]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  675.273837][T12892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  675.273840][T12892]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  675.273843][T12892]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  675.273846][T12892]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  675.273848][T12892] RIP: 0033:0x7f7a642fe54e
[  675.273852][T12892] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  675.273855][T12892] RSP: 002b:00007ffe68111810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  675.273859][T12892] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7a642fe54e
[  675.273862][T12892] RDX: 0000000000000000 RSI: 00007ffe681118c0 RDI: 0000000000000005
[  675.273863][T12892] RBP: 00007ffe68111820 R08: 0000000000000000 R09: 0000000000000000
[  675.273865][T12892] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127cc
[  675.273867][T12892] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe68111f80
| [  676.788881][T12950] softirqs last disabled at (0): 0x0
| [  676.788884][T12950] Preemption disabled at:
| [  676.788884][T12950] vprintk_emit (kernel/printk/printk.c:2471)
| [  676.788895][T12950] Tainted: [W]=WARN
[  676.788896][T12950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  676.788898][T12950] Call Trace:
[  676.788899][T12950]  <TASK>
[  676.788901][T12950]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  676.788907][T12950]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  676.788908][T12950]  __might_resched.cold (kernel/sched/core.c:9234)
[  676.788912][T12950]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  676.788914][T12950]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  676.788917][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.788920][T12950]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  676.788923][T12950]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.788926][T12950]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.788931][T12950]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  676.788933][T12950]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.788936][T12950]  put_chars (drivers/char/virtio_console.c:1176)
[  676.788938][T12950]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  676.788940][T12950]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  676.788942][T12950]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  676.788947][T12950]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  676.788949][T12950]  ? vsnprintf (lib/vsprintf.c:2900)
[  676.788952][T12950]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.788954][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.788955][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.788957][T12950]  console_emit_next_record (kernel/printk/printk.c:3183)
[  676.788960][T12950]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  676.788962][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.788963][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.788964][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.788966][T12950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.788968][T12950]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  676.788970][T12950]  console_flush_one_record (kernel/printk/printk.c:3268)
[  676.788973][T12950]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  676.788976][T12950]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  676.788978][T12950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.788979][T12950]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  676.788981][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.788982][T12950]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.788984][T12950]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  676.788986][T12950]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  676.788987][T12950]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  676.788989][T12950]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  676.788991][T12950]  vprintk_emit (kernel/printk/printk.c:2479)
[  676.788992][T12950]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  676.788994][T12950]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.788995][T12950]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  676.788998][T12950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.789000][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.789002][T12950]  _printk (kernel/printk/printk.c:2504)
[  676.789004][T12950]  ? snapshot_read.cold (user.c:?)
[  676.789007][T12950]  ? br_multicast_flood (??:?)
[  676.789010][T12950]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  676.789013][T12950]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  676.789014][T12950]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  676.789016][T12950]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  676.789019][T12950]  br_init_port (net/bridge/br_stp_if.c:39)
[  676.789021][T12950]  new_nbp (net/bridge/br_if.c:449)
[  676.789023][T12950]  br_add_if (net/bridge/br_if.c:592)
[  676.789025][T12950]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  676.789029][T12950]  do_set_master (net/core/rtnetlink.c:3071)
[  676.789031][T12950]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  676.789033][T12950]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  676.789035][T12950]  ? __dev_get_by_name (net/core/dev.c:905)
[  676.789036][T12950]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  676.789041][T12950]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  676.789043][T12950]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  676.789045][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.789047][T12950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.789048][T12950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.789050][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.789051][T12950]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  676.789054][T12950]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  676.789056][T12950]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  676.789058][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.789059][T12950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.789061][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.789062][T12950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.789063][T12950]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  676.789065][T12950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.789067][T12950]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  676.789068][T12950]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  676.789072][T12950]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  676.789075][T12950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.789076][T12950]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.789078][T12950]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  676.789080][T12950]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  676.789083][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.789084][T12950]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.789086][T12950]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  676.789088][T12950]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  676.789090][T12950]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  676.789093][T12950]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  676.789096][T12950]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  676.789098][T12950]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  676.789100][T12950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.789102][T12950]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  676.789105][T12950]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  676.789108][T12950]  ____sys_sendmsg (net/socket.c:2713)
[  676.789110][T12950]  ? copy_msghdr_from_user (net/socket.c:2650)
[  676.789112][T12950]  ? sock_write_iter (net/socket.c:1269)
[  676.789113][T12950]  ? move_addr_to_kernel (net/socket.c:258)
[  676.789116][T12950]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  676.789118][T12950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.789120][T12950]  ___sys_sendmsg (net/socket.c:2767)
[  676.789122][T12950]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  676.789124][T12950]  ? copy_msghdr_from_user (net/socket.c:2619)
[  676.789126][T12950]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  676.789131][T12950]  __sys_sendmsg (net/socket.c:2799)
[  676.789133][T12950]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  676.789135][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.789137][T12950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.789138][T12950]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  676.789141][T12950]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  676.789143][T12950]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  676.789145][T12950] RIP: 0033:0x7fe23185e54e
[  676.789147][T12950] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  676.789149][T12950] RSP: 002b:00007fffa29ed260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  676.789153][T12950] RAX: ffffffffffffffda RBX: 00007fffa29eda28 RCX: 00007fe23185e54e
[  676.789155][T12950] RDX: 0000000000000000 RSI: 00007fffa29ed310 RDI: 0000000000000005
[  676.789156][T12950] RBP: 00007fffa29ed270 R08: 0000000000000000 R09: 0000000000000000
[  676.789156][T12950] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127ce
[  676.789157][T12950] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa29ed9e0
| [  683.061051][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  683.061053][   T71] Preemption disabled at:
| [  683.061054][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  683.061065][   T71] Tainted: [W]=WARN
[  683.061066][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  683.061068][   T71] Workqueue: netns cleanup_net
[  683.061074][   T71] Call Trace:
[  683.061076][   T71]  <TASK>
[  683.061077][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  683.061082][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  683.061084][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  683.061087][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  683.061090][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  683.061093][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.061096][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  683.061098][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  683.061102][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  683.061106][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  683.061108][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  683.061111][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  683.061112][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  683.061114][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  683.061117][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  683.061122][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  683.061124][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  683.061126][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  683.061128][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.061129][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.061131][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  683.061134][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  683.061136][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.061137][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.061138][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.061139][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.061142][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  683.061144][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  683.061147][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  683.061150][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  683.061152][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.061153][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  683.061155][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.061156][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  683.061158][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  683.061160][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  683.061161][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  683.061163][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  683.061165][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  683.061167][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  683.061168][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  683.061170][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  683.061173][   T71]  ? kthread (kernel/kthread.c:436)
[  683.061175][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  683.061178][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  683.061181][   T71]  _printk (kernel/printk/printk.c:2504)
[  683.061184][   T71]  ? snapshot_read.cold (user.c:?)
[  683.061186][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  683.061189][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  683.061192][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  683.061194][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  683.061199][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.061200][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  683.061202][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  683.061205][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  683.061207][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  683.061208][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  683.061211][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  683.061213][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  683.061217][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  683.061219][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  683.061222][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  683.061224][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  683.061226][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  683.061229][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  683.061231][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  683.061234][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  683.061236][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  683.061237][   T71]  process_one_work (kernel/workqueue.c:3387)
[  683.061240][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  683.061243][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  683.061246][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  683.061248][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  683.061251][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  683.061253][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  683.061255][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  683.061257][   T71]  kthread (kernel/kthread.c:436)
[  683.061259][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  683.061260][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  683.061263][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  683.061264][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  683.061267][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  683.061270][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  683.061272][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  684.241900][T13040] softirqs last disabled at (0): 0x0
| [  684.241902][T13040] Preemption disabled at:
| [  684.241903][T13040] vprintk_emit (kernel/printk/printk.c:2471)
| [  684.241913][T13040] Tainted: [W]=WARN
[  684.241914][T13040] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  684.241916][T13040] Call Trace:
[  684.241918][T13040]  <TASK>
[  684.241919][T13040]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  684.241925][T13040]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  684.241927][T13040]  __might_resched.cold (kernel/sched/core.c:9234)
[  684.241931][T13040]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  684.241934][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.241937][T13040]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  684.241940][T13040]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  684.241943][T13040]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  684.241948][T13040]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  684.241950][T13040]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  684.241953][T13040]  put_chars (drivers/char/virtio_console.c:1176)
[  684.241955][T13040]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  684.241956][T13040]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  684.241959][T13040]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  684.241961][T13040]  ? pointer (lib/vsprintf.c:2577)
[  684.241965][T13040]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  684.241970][T13040]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  684.241972][T13040]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  684.241974][T13040]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.241977][T13040]  console_emit_next_record (kernel/printk/printk.c:3183)
[  684.241980][T13040]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  684.241982][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.241983][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.241984][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.241985][T13040]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.241987][T13040]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  684.241989][T13040]  console_flush_one_record (kernel/printk/printk.c:3268)
[  684.241992][T13040]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  684.241995][T13040]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  684.241997][T13040]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.241999][T13040]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  684.242000][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242001][T13040]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  684.242003][T13040]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  684.242005][T13040]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  684.242006][T13040]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  684.242009][T13040]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  684.242010][T13040]  vprintk_emit (kernel/printk/printk.c:2479)
[  684.242012][T13040]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  684.242013][T13040]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  684.242016][T13040]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  684.242019][T13040]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  684.242022][T13040]  _printk (kernel/printk/printk.c:2504)
[  684.242025][T13040]  ? snapshot_read.cold (user.c:?)
[  684.242027][T13040]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  684.242030][T13040]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  684.242033][T13040]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  684.242035][T13040]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.242038][T13040]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  684.242041][T13040]  ? netdev_notice (net/core/dev.c:13194)
[  684.242043][T13040]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  684.242045][T13040]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  684.242047][T13040]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  684.242049][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242050][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242051][T13040]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  684.242053][T13040]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  684.242054][T13040]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  684.242056][T13040]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.242057][T13040]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  684.242059][T13040]  ? register_netdev (net/core/dev.c:11618)
[  684.242060][T13040]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  684.242063][T13040]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  684.242066][T13040]  ? __kernel_text_address (kernel/extable.c:79)
[  684.242068][T13040]  ? write_profile (profile.c:?)
[  684.242071][T13040]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  684.242075][T13040]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  684.242077][T13040]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  684.242079][T13040]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  684.242080][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242081][T13040]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  684.242085][T13040]  ? kasan_save_stack (mm/kasan/common.c:58)
[  684.242086][T13040]  ? kasan_save_stack (mm/kasan/common.c:57)
[  684.242088][T13040]  ? kasan_save_track (mm/kasan/common.c:78)
[  684.242089][T13040]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  684.242090][T13040]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  684.242091][T13040]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  684.242092][T13040]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  684.242094][T13040]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  684.242097][T13040]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  684.242098][T13040]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  684.242100][T13040]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  684.242103][T13040]  ? ____sys_sendmsg (net/socket.c:2713)
[  684.242104][T13040]  ? ___sys_sendmsg (net/socket.c:2767)
[  684.242106][T13040]  ? __sys_sendmsg (net/socket.c:2799)
[  684.242108][T13040]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  684.242110][T13040]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  684.242113][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242114][T13040]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.242116][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242117][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242118][T13040]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  684.242120][T13040]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  684.242121][T13040]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  684.242122][T13040]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  684.242124][T13040]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  684.242125][T13040]  ? nla_get_range_signed (lib/nlattr.c:270)
[  684.242128][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242130][T13040]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  684.242132][T13040]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  684.242134][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242136][T13040]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  684.242137][T13040]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.242139][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242140][T13040]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  684.242143][T13040]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  684.242144][T13040]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  684.242146][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242147][T13040]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  684.242150][T13040]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  684.242153][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242154][T13040]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.242156][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242157][T13040]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  684.242158][T13040]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  684.242160][T13040]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  684.242162][T13040]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  684.242164][T13040]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  684.242166][T13040]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  684.242168][T13040]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  684.242170][T13040]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  684.242171][T13040]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  684.242173][T13040]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  684.242176][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242178][T13040]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  684.242180][T13040]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  684.242182][T13040]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  684.242184][T13040]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  684.242186][T13040]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  684.242189][T13040]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  684.242190][T13040]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  684.242192][T13040]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  684.242197][T13040]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  684.242201][T13040]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  684.242203][T13040]  ____sys_sendmsg (net/socket.c:2713)
[  684.242205][T13040]  ? copy_msghdr_from_user (net/socket.c:2650)
[  684.242207][T13040]  ? sock_write_iter (net/socket.c:1269)
[  684.242208][T13040]  ? move_addr_to_kernel (net/socket.c:258)
[  684.242210][T13040]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  684.242213][T13040]  ___sys_sendmsg (net/socket.c:2767)
[  684.242215][T13040]  ? copy_msghdr_from_user (net/socket.c:2619)
[  684.242220][T13040]  __sys_sendmsg (net/socket.c:2799)
[  684.242222][T13040]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  684.242225][T13040]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  684.242227][T13040]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  684.242229][T13040]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  684.242231][T13040]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  684.242233][T13040] RIP: 0033:0x7f5c042d554e
[  684.242235][T13040] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  684.242237][T13040] RSP: 002b:00007ffd21952370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  684.242241][T13040] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5c042d554e
[  684.242242][T13040] RDX: 0000000000000000 RSI: 00007ffd21952420 RDI: 0000000000000005
[  684.242243][T13040] RBP: 00007ffd21952380 R08: 0000000000000000 R09: 0000000000000000
[  684.242244][T13040] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127d5
[  684.242245][T13040] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd21952ae0
| [  685.884774][T13115] softirqs last disabled at (0): 0x0
| [  685.884777][T13115] Preemption disabled at:
| [  685.884779][T13115] vprintk_emit (kernel/printk/printk.c:2471)
| [  685.884792][T13115] Tainted: [W]=WARN
[  685.884794][T13115] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  685.884796][T13115] Call Trace:
[  685.884799][T13115]  <TASK>
[  685.884801][T13115]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  685.884807][T13115]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  685.884810][T13115]  __might_resched.cold (kernel/sched/core.c:9234)
[  685.884815][T13115]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  685.884818][T13115]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  685.884822][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.884826][T13115]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  685.884829][T13115]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  685.884833][T13115]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  685.884840][T13115]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  685.884843][T13115]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  685.884847][T13115]  put_chars (drivers/char/virtio_console.c:1176)
[  685.884850][T13115]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  685.884853][T13115]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  685.884857][T13115]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  685.884863][T13115]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  685.884866][T13115]  ? vsnprintf (lib/vsprintf.c:2900)
[  685.884870][T13115]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  685.884873][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.884875][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.884878][T13115]  console_emit_next_record (kernel/printk/printk.c:3183)
[  685.884882][T13115]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  685.884886][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.884888][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.884890][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.884892][T13115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.884896][T13115]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  685.884899][T13115]  console_flush_one_record (kernel/printk/printk.c:3268)
[  685.884903][T13115]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  685.884907][T13115]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  685.884910][T13115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.884913][T13115]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  685.884916][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.884918][T13115]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  685.884920][T13115]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  685.884923][T13115]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  685.884926][T13115]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  685.884929][T13115]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  685.884931][T13115]  vprintk_emit (kernel/printk/printk.c:2479)
[  685.884934][T13115]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  685.884937][T13115]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  685.884940][T13115]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  685.884943][T13115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.884946][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.884949][T13115]  _printk (kernel/printk/printk.c:2504)
[  685.884953][T13115]  ? snapshot_read.cold (user.c:?)
[  685.884956][T13115]  ? br_multicast_flood (??:?)
[  685.884960][T13115]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  685.884964][T13115]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  685.884966][T13115]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  685.884970][T13115]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  685.884974][T13115]  br_init_port (net/bridge/br_stp_if.c:39)
[  685.884977][T13115]  new_nbp (net/bridge/br_if.c:449)
[  685.884981][T13115]  br_add_if (net/bridge/br_if.c:592)
[  685.884983][T13115]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  685.884989][T13115]  do_set_master (net/core/rtnetlink.c:3071)
[  685.884993][T13115]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  685.884996][T13115]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  685.884998][T13115]  ? __dev_get_by_name (net/core/dev.c:905)
[  685.885001][T13115]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  685.885007][T13115]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  685.885012][T13115]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  685.885015][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.885018][T13115]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  685.885020][T13115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.885022][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.885025][T13115]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  685.885028][T13115]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  685.885032][T13115]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  685.885035][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.885038][T13115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.885040][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.885043][T13115]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  685.885045][T13115]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  685.885048][T13115]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  685.885051][T13115]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  685.885053][T13115]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  685.885059][T13115]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  685.885063][T13115]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  685.885066][T13115]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  685.885068][T13115]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  685.885071][T13115]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  685.885076][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.885078][T13115]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  685.885082][T13115]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  685.885085][T13115]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  685.885088][T13115]  ? next_uptodate_folio (mm/filemap.c:3747)
[  685.885093][T13115]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  685.885096][T13115]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  685.885100][T13115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.885103][T13115]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  685.885107][T13115]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  685.885111][T13115]  ____sys_sendmsg (net/socket.c:2713)
[  685.885114][T13115]  ? copy_msghdr_from_user (net/socket.c:2650)
[  685.885117][T13115]  ? sock_write_iter (net/socket.c:1269)
[  685.885119][T13115]  ? move_addr_to_kernel (net/socket.c:258)
[  685.885123][T13115]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  685.885127][T13115]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.885130][T13115]  ___sys_sendmsg (net/socket.c:2767)
[  685.885133][T13115]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  685.885136][T13115]  ? copy_msghdr_from_user (net/socket.c:2619)
[  685.885139][T13115]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  685.885147][T13115]  __sys_sendmsg (net/socket.c:2799)
[  685.885150][T13115]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  685.885155][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.885157][T13115]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.885160][T13115]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  685.885164][T13115]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  685.885167][T13115]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  685.885170][T13115] RIP: 0033:0x7f7f457a454e
[  685.885173][T13115] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  685.885176][T13115] RSP: 002b:00007ffd32f54ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  685.885181][T13115] RAX: ffffffffffffffda RBX: 00007ffd32f557b8 RCX: 00007f7f457a454e
[  685.885183][T13115] RDX: 0000000000000000 RSI: 00007ffd32f550a0 RDI: 0000000000000005
[  685.885185][T13115] RBP: 00007ffd32f55000 R08: 0000000000000000 R09: 0000000000000000
[  685.885186][T13115] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127d7
[  685.885188][T13115] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd32f55770
| [  687.470862][T13174] softirqs last disabled at (0): 0x0
| [  687.470864][T13174] Preemption disabled at:
| [  687.470865][T13174] vprintk_emit (kernel/printk/printk.c:2471)
| [  687.470875][T13174] Tainted: [W]=WARN
[  687.470877][T13174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  687.470879][T13174] Call Trace:
[  687.470880][T13174]  <TASK>
[  687.470882][T13174]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  687.470888][T13174]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  687.470889][T13174]  __might_resched.cold (kernel/sched/core.c:9234)
[  687.470893][T13174]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  687.470895][T13174]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  687.470898][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.470901][T13174]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  687.470904][T13174]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.470907][T13174]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  687.470912][T13174]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  687.470914][T13174]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  687.470918][T13174]  put_chars (drivers/char/virtio_console.c:1176)
[  687.470919][T13174]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  687.470921][T13174]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  687.470924][T13174]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  687.470929][T13174]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  687.470931][T13174]  ? vsnprintf (lib/vsprintf.c:2900)
[  687.470934][T13174]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.470936][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.470937][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.470939][T13174]  console_emit_next_record (kernel/printk/printk.c:3183)
[  687.470942][T13174]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  687.470944][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.470945][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.470946][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.470947][T13174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.470950][T13174]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  687.470952][T13174]  console_flush_one_record (kernel/printk/printk.c:3268)
[  687.470954][T13174]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  687.470958][T13174]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  687.470960][T13174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.470961][T13174]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  687.470963][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.470964][T13174]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  687.470966][T13174]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  687.470968][T13174]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  687.470969][T13174]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  687.470972][T13174]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  687.470973][T13174]  vprintk_emit (kernel/printk/printk.c:2479)
[  687.470975][T13174]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  687.470976][T13174]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.470978][T13174]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  687.470981][T13174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.470983][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.470984][T13174]  _printk (kernel/printk/printk.c:2504)
[  687.470988][T13174]  ? snapshot_read.cold (user.c:?)
[  687.470990][T13174]  ? br_multicast_flood (??:?)
[  687.470993][T13174]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  687.470996][T13174]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  687.470997][T13174]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  687.470999][T13174]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  687.471002][T13174]  br_init_port (net/bridge/br_stp_if.c:39)
[  687.471004][T13174]  new_nbp (net/bridge/br_if.c:449)
[  687.471006][T13174]  br_add_if (net/bridge/br_if.c:592)
[  687.471008][T13174]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  687.471012][T13174]  do_set_master (net/core/rtnetlink.c:3071)
[  687.471014][T13174]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  687.471016][T13174]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  687.471018][T13174]  ? __dev_get_by_name (net/core/dev.c:905)
[  687.471020][T13174]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  687.471024][T13174]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  687.471026][T13174]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  687.471029][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.471030][T13174]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  687.471031][T13174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.471033][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.471035][T13174]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  687.471037][T13174]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  687.471039][T13174]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  687.471042][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.471043][T13174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.471045][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.471046][T13174]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  687.471048][T13174]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  687.471050][T13174]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  687.471051][T13174]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  687.471053][T13174]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  687.471057][T13174]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  687.471060][T13174]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  687.471062][T13174]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  687.471064][T13174]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  687.471065][T13174]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  687.471069][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.471070][T13174]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  687.471073][T13174]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  687.471075][T13174]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  687.471077][T13174]  ? next_uptodate_folio (mm/filemap.c:3747)
[  687.471080][T13174]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  687.471083][T13174]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  687.471085][T13174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.471087][T13174]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  687.471090][T13174]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  687.471094][T13174]  ____sys_sendmsg (net/socket.c:2713)
[  687.471096][T13174]  ? copy_msghdr_from_user (net/socket.c:2650)
[  687.471098][T13174]  ? sock_write_iter (net/socket.c:1269)
[  687.471099][T13174]  ? move_addr_to_kernel (net/socket.c:258)
[  687.471102][T13174]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  687.471104][T13174]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.471107][T13174]  ___sys_sendmsg (net/socket.c:2767)
[  687.471109][T13174]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  687.471111][T13174]  ? copy_msghdr_from_user (net/socket.c:2619)
[  687.471113][T13174]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  687.471118][T13174]  __sys_sendmsg (net/socket.c:2799)
[  687.471120][T13174]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  687.471123][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.471125][T13174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.471126][T13174]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  687.471129][T13174]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  687.471131][T13174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  687.471134][T13174] RIP: 0033:0x7fc51466254e
[  687.471136][T13174] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  687.471138][T13174] RSP: 002b:00007ffdf8cdf190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  687.471142][T13174] RAX: ffffffffffffffda RBX: 00007ffdf8cdf958 RCX: 00007fc51466254e
[  687.471144][T13174] RDX: 0000000000000000 RSI: 00007ffdf8cdf240 RDI: 0000000000000005
[  687.471145][T13174] RBP: 00007ffdf8cdf1a0 R08: 0000000000000000 R09: 0000000000000000
[  687.471146][T13174] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127d8
[  687.471147][T13174] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf8cdf910
| [  694.716823][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  694.716825][   T71] Preemption disabled at:
| [  694.716826][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  694.716837][   T71] Tainted: [W]=WARN
[  694.716839][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  694.716841][   T71] Workqueue: netns cleanup_net
[  694.716846][   T71] Call Trace:
[  694.716848][   T71]  <TASK>
[  694.716850][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  694.716857][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  694.716859][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  694.716863][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  694.716865][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  694.716869][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.716871][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  694.716874][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  694.716878][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  694.716882][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  694.716884][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  694.716887][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  694.716889][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  694.716891][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  694.716894][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  694.716898][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  694.716900][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  694.716903][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  694.716904][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.716905][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.716909][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  694.716913][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  694.716916][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.716917][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.716918][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.716920][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  694.716922][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  694.716924][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  694.716927][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  694.716930][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  694.716932][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  694.716933][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  694.716935][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.716936][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  694.716938][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  694.716940][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  694.716941][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  694.716944][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  694.716945][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  694.716947][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  694.716948][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  694.716950][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  694.716953][   T71]  ? kthread (kernel/kthread.c:436)
[  694.716955][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  694.716958][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  694.716961][   T71]  _printk (kernel/printk/printk.c:2504)
[  694.716965][   T71]  ? snapshot_read.cold (user.c:?)
[  694.716969][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  694.716973][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  694.716975][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  694.716978][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  694.716980][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.716981][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  694.716983][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  694.716986][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  694.716988][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  694.716989][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  694.716992][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  694.716995][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  694.716998][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  694.717001][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  694.717004][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  694.717006][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  694.717008][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  694.717011][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  694.717013][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  694.717015][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  694.717017][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  694.717018][   T71]  process_one_work (kernel/workqueue.c:3387)
[  694.717022][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  694.717024][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  694.717027][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  694.717029][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  694.717031][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  694.717033][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  694.717036][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  694.717037][   T71]  kthread (kernel/kthread.c:436)
[  694.717039][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  694.717041][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  694.717043][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  694.717045][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  694.717047][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  694.717050][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  694.717052][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  695.826484][T13294] softirqs last disabled at (0): 0x0
| [  695.826486][T13294] Preemption disabled at:
| [  695.826487][T13294] vprintk_emit (kernel/printk/printk.c:2471)
| [  695.826498][T13294] Tainted: [W]=WARN
[  695.826499][T13294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  695.826501][T13294] Call Trace:
[  695.826503][T13294]  <TASK>
[  695.826505][T13294]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  695.826510][T13294]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  695.826512][T13294]  __might_resched.cold (kernel/sched/core.c:9234)
[  695.826516][T13294]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  695.826519][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826522][T13294]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  695.826525][T13294]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  695.826528][T13294]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  695.826533][T13294]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  695.826535][T13294]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  695.826538][T13294]  put_chars (drivers/char/virtio_console.c:1176)
[  695.826540][T13294]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  695.826541][T13294]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  695.826543][T13294]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  695.826546][T13294]  ? pointer (lib/vsprintf.c:2577)
[  695.826549][T13294]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  695.826554][T13294]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  695.826556][T13294]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  695.826558][T13294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.826561][T13294]  console_emit_next_record (kernel/printk/printk.c:3183)
[  695.826564][T13294]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  695.826566][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826567][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826568][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826569][T13294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.826572][T13294]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  695.826574][T13294]  console_flush_one_record (kernel/printk/printk.c:3268)
[  695.826576][T13294]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  695.826579][T13294]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  695.826581][T13294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.826583][T13294]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  695.826585][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826586][T13294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  695.826587][T13294]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  695.826589][T13294]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  695.826591][T13294]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  695.826593][T13294]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  695.826595][T13294]  vprintk_emit (kernel/printk/printk.c:2479)
[  695.826597][T13294]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  695.826598][T13294]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  695.826600][T13294]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  695.826604][T13294]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  695.826606][T13294]  _printk (kernel/printk/printk.c:2504)
[  695.826610][T13294]  ? snapshot_read.cold (user.c:?)
[  695.826612][T13294]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  695.826614][T13294]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  695.826625][T13294]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  695.826629][T13294]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  695.826633][T13294]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  695.826636][T13294]  ? netdev_notice (net/core/dev.c:13194)
[  695.826638][T13294]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  695.826640][T13294]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  695.826643][T13294]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  695.826645][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826646][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826647][T13294]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  695.826649][T13294]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  695.826650][T13294]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  695.826652][T13294]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  695.826653][T13294]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  695.826655][T13294]  ? register_netdev (net/core/dev.c:11618)
[  695.826657][T13294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  695.826659][T13294]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  695.826662][T13294]  ? __kernel_text_address (kernel/extable.c:79)
[  695.826664][T13294]  ? write_profile (profile.c:?)
[  695.826667][T13294]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  695.826671][T13294]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  695.826673][T13294]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  695.826675][T13294]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  695.826676][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826677][T13294]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  695.826681][T13294]  ? kasan_save_stack (mm/kasan/common.c:58)
[  695.826683][T13294]  ? kasan_save_stack (mm/kasan/common.c:57)
[  695.826684][T13294]  ? kasan_save_track (mm/kasan/common.c:78)
[  695.826685][T13294]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  695.826687][T13294]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  695.826688][T13294]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  695.826689][T13294]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  695.826690][T13294]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  695.826693][T13294]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  695.826695][T13294]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  695.826697][T13294]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  695.826699][T13294]  ? ____sys_sendmsg (net/socket.c:2713)
[  695.826701][T13294]  ? ___sys_sendmsg (net/socket.c:2767)
[  695.826702][T13294]  ? __sys_sendmsg (net/socket.c:2799)
[  695.826704][T13294]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  695.826707][T13294]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  695.826709][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826711][T13294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.826712][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826713][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826714][T13294]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  695.826716][T13294]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  695.826717][T13294]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  695.826718][T13294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  695.826720][T13294]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  695.826721][T13294]  ? nla_get_range_signed (lib/nlattr.c:270)
[  695.826725][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826726][T13294]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  695.826729][T13294]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  695.826731][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826732][T13294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  695.826733][T13294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.826735][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826737][T13294]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  695.826739][T13294]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  695.826741][T13294]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  695.826742][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826743][T13294]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  695.826747][T13294]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  695.826750][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826752][T13294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.826755][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826757][T13294]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  695.826759][T13294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  695.826761][T13294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  695.826763][T13294]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  695.826764][T13294]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  695.826767][T13294]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  695.826769][T13294]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  695.826770][T13294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  695.826772][T13294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  695.826774][T13294]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  695.826777][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826778][T13294]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  695.826781][T13294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  695.826783][T13294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  695.826785][T13294]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  695.826787][T13294]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  695.826789][T13294]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  695.826791][T13294]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  695.826793][T13294]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  695.826794][T13294]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  695.826798][T13294]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  695.826800][T13294]  ____sys_sendmsg (net/socket.c:2713)
[  695.826802][T13294]  ? copy_msghdr_from_user (net/socket.c:2650)
[  695.826804][T13294]  ? sock_write_iter (net/socket.c:1269)
[  695.826805][T13294]  ? move_addr_to_kernel (net/socket.c:258)
[  695.826807][T13294]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  695.826810][T13294]  ___sys_sendmsg (net/socket.c:2767)
[  695.826812][T13294]  ? copy_msghdr_from_user (net/socket.c:2619)
[  695.826817][T13294]  __sys_sendmsg (net/socket.c:2799)
[  695.826819][T13294]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  695.826822][T13294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  695.826823][T13294]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  695.826825][T13294]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  695.826828][T13294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  695.826829][T13294] RIP: 0033:0x7f662dae654e
[  695.826831][T13294] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  695.826833][T13294] RSP: 002b:00007ffd487381b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  695.826837][T13294] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f662dae654e
[  695.826839][T13294] RDX: 0000000000000000 RSI: 00007ffd48738260 RDI: 0000000000000005
[  695.826840][T13294] RBP: 00007ffd487381c0 R08: 0000000000000000 R09: 0000000000000000
[  695.826841][T13294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127e1
[  695.826842][T13294] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd48738920
| [  697.237052][T13369] softirqs last disabled at (0): 0x0
| [  697.237054][T13369] Preemption disabled at:
| [  697.237055][T13369] vprintk_emit (kernel/printk/printk.c:2471)
| [  697.237066][T13369] Tainted: [W]=WARN
[  697.237067][T13369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  697.237069][T13369] Call Trace:
[  697.237071][T13369]  <TASK>
[  697.237072][T13369]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  697.237078][T13369]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  697.237080][T13369]  __might_resched.cold (kernel/sched/core.c:9234)
[  697.237083][T13369]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  697.237085][T13369]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  697.237089][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237092][T13369]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  697.237094][T13369]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  697.237098][T13369]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  697.237103][T13369]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  697.237105][T13369]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  697.237108][T13369]  put_chars (drivers/char/virtio_console.c:1176)
[  697.237109][T13369]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  697.237111][T13369]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  697.237114][T13369]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  697.237119][T13369]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  697.237120][T13369]  ? vsnprintf (lib/vsprintf.c:2900)
[  697.237124][T13369]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  697.237125][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237126][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237128][T13369]  console_emit_next_record (kernel/printk/printk.c:3183)
[  697.237131][T13369]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  697.237133][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237134][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237135][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237137][T13369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.237139][T13369]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  697.237141][T13369]  console_flush_one_record (kernel/printk/printk.c:3268)
[  697.237143][T13369]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  697.237146][T13369]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  697.237148][T13369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.237150][T13369]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  697.237152][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237153][T13369]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  697.237155][T13369]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  697.237156][T13369]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  697.237158][T13369]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  697.237160][T13369]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  697.237161][T13369]  vprintk_emit (kernel/printk/printk.c:2479)
[  697.237163][T13369]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  697.237165][T13369]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  697.237166][T13369]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  697.237169][T13369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.237171][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237173][T13369]  _printk (kernel/printk/printk.c:2504)
[  697.237176][T13369]  ? snapshot_read.cold (user.c:?)
[  697.237178][T13369]  ? br_multicast_flood (??:?)
[  697.237181][T13369]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  697.237184][T13369]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  697.237185][T13369]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  697.237187][T13369]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  697.237190][T13369]  br_init_port (net/bridge/br_stp_if.c:39)
[  697.237192][T13369]  new_nbp (net/bridge/br_if.c:449)
[  697.237197][T13369]  br_add_if (net/bridge/br_if.c:592)
[  697.237199][T13369]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  697.237204][T13369]  do_set_master (net/core/rtnetlink.c:3071)
[  697.237206][T13369]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  697.237207][T13369]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  697.237209][T13369]  ? __dev_get_by_name (net/core/dev.c:905)
[  697.237211][T13369]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  697.237215][T13369]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  697.237218][T13369]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  697.237220][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237221][T13369]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  697.237223][T13369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.237224][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237226][T13369]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  697.237228][T13369]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  697.237230][T13369]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  697.237233][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237234][T13369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.237236][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237237][T13369]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  697.237238][T13369]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  697.237240][T13369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  697.237242][T13369]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  697.237243][T13369]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  697.237247][T13369]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  697.237250][T13369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  697.237252][T13369]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  697.237253][T13369]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  697.237255][T13369]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  697.237258][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237259][T13369]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  697.237261][T13369]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  697.237264][T13369]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  697.237266][T13369]  ? next_uptodate_folio (mm/filemap.c:3747)
[  697.237269][T13369]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  697.237271][T13369]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  697.237273][T13369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.237275][T13369]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  697.237279][T13369]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  697.237282][T13369]  ____sys_sendmsg (net/socket.c:2713)
[  697.237284][T13369]  ? copy_msghdr_from_user (net/socket.c:2650)
[  697.237286][T13369]  ? sock_write_iter (net/socket.c:1269)
[  697.237287][T13369]  ? move_addr_to_kernel (net/socket.c:258)
[  697.237289][T13369]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  697.237292][T13369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  697.237294][T13369]  ___sys_sendmsg (net/socket.c:2767)
[  697.237296][T13369]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  697.237297][T13369]  ? copy_msghdr_from_user (net/socket.c:2619)
[  697.237299][T13369]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  697.237304][T13369]  __sys_sendmsg (net/socket.c:2799)
[  697.237306][T13369]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  697.237309][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237310][T13369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  697.237312][T13369]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  697.237314][T13369]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  697.237317][T13369]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  697.237319][T13369] RIP: 0033:0x7f625eefd54e
[  697.237321][T13369] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  697.237323][T13369] RSP: 002b:00007ffcbd308b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  697.237327][T13369] RAX: ffffffffffffffda RBX: 00007ffcbd309338 RCX: 00007f625eefd54e
[  697.237329][T13369] RDX: 0000000000000000 RSI: 00007ffcbd308c20 RDI: 0000000000000005
[  697.237330][T13369] RBP: 00007ffcbd308b80 R08: 0000000000000000 R09: 0000000000000000
[  697.237330][T13369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127e2
[  697.237332][T13369] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbd3092f0
| [  698.833017][T13428] softirqs last disabled at (0): 0x0
| [  698.833019][T13428] Preemption disabled at:
| [  698.833020][T13428] vprintk_emit (kernel/printk/printk.c:2471)
| [  698.833031][T13428] Tainted: [W]=WARN
[  698.833032][T13428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  698.833033][T13428] Call Trace:
[  698.833035][T13428]  <TASK>
[  698.833036][T13428]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  698.833042][T13428]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  698.833043][T13428]  __might_resched.cold (kernel/sched/core.c:9234)
[  698.833047][T13428]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  698.833049][T13428]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  698.833053][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833056][T13428]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  698.833059][T13428]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.833062][T13428]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.833067][T13428]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  698.833069][T13428]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.833072][T13428]  put_chars (drivers/char/virtio_console.c:1176)
[  698.833073][T13428]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  698.833075][T13428]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  698.833078][T13428]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  698.833083][T13428]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  698.833084][T13428]  ? vsnprintf (lib/vsprintf.c:2900)
[  698.833088][T13428]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.833089][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833091][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833093][T13428]  console_emit_next_record (kernel/printk/printk.c:3183)
[  698.833095][T13428]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  698.833098][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833099][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833100][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833101][T13428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.833103][T13428]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  698.833105][T13428]  console_flush_one_record (kernel/printk/printk.c:3268)
[  698.833108][T13428]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  698.833111][T13428]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  698.833112][T13428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.833114][T13428]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  698.833116][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833117][T13428]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.833119][T13428]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  698.833121][T13428]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  698.833122][T13428]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  698.833124][T13428]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  698.833126][T13428]  vprintk_emit (kernel/printk/printk.c:2479)
[  698.833129][T13428]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  698.833131][T13428]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.833133][T13428]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  698.833137][T13428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.833139][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833140][T13428]  _printk (kernel/printk/printk.c:2504)
[  698.833144][T13428]  ? snapshot_read.cold (user.c:?)
[  698.833146][T13428]  ? br_multicast_flood (??:?)
[  698.833149][T13428]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  698.833152][T13428]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  698.833153][T13428]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  698.833155][T13428]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  698.833158][T13428]  br_init_port (net/bridge/br_stp_if.c:39)
[  698.833160][T13428]  new_nbp (net/bridge/br_if.c:449)
[  698.833163][T13428]  br_add_if (net/bridge/br_if.c:592)
[  698.833165][T13428]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  698.833169][T13428]  do_set_master (net/core/rtnetlink.c:3071)
[  698.833171][T13428]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  698.833173][T13428]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  698.833174][T13428]  ? __dev_get_by_name (net/core/dev.c:905)
[  698.833176][T13428]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  698.833180][T13428]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  698.833183][T13428]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  698.833185][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833186][T13428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.833188][T13428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.833189][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833191][T13428]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  698.833193][T13428]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  698.833198][T13428]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  698.833201][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833202][T13428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.833204][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833205][T13428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.833206][T13428]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  698.833208][T13428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.833210][T13428]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  698.833212][T13428]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  698.833218][T13428]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  698.833222][T13428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.833223][T13428]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.833225][T13428]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  698.833227][T13428]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  698.833230][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833231][T13428]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.833233][T13428]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  698.833236][T13428]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  698.833238][T13428]  ? next_uptodate_folio (mm/filemap.c:3747)
[  698.833241][T13428]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  698.833243][T13428]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  698.833246][T13428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.833247][T13428]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  698.833251][T13428]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  698.833254][T13428]  ____sys_sendmsg (net/socket.c:2713)
[  698.833256][T13428]  ? copy_msghdr_from_user (net/socket.c:2650)
[  698.833258][T13428]  ? sock_write_iter (net/socket.c:1269)
[  698.833259][T13428]  ? move_addr_to_kernel (net/socket.c:258)
[  698.833262][T13428]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  698.833264][T13428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.833266][T13428]  ___sys_sendmsg (net/socket.c:2767)
[  698.833268][T13428]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  698.833270][T13428]  ? copy_msghdr_from_user (net/socket.c:2619)
[  698.833272][T13428]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  698.833276][T13428]  __sys_sendmsg (net/socket.c:2799)
[  698.833278][T13428]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  698.833281][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833282][T13428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.833284][T13428]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  698.833287][T13428]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  698.833289][T13428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  698.833291][T13428] RIP: 0033:0x7f8ff714c54e
[  698.833293][T13428] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  698.833296][T13428] RSP: 002b:00007ffc1b93db70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  698.833299][T13428] RAX: ffffffffffffffda RBX: 00007ffc1b93e338 RCX: 00007f8ff714c54e
[  698.833301][T13428] RDX: 0000000000000000 RSI: 00007ffc1b93dc20 RDI: 0000000000000005
[  698.833302][T13428] RBP: 00007ffc1b93db80 R08: 0000000000000000 R09: 0000000000000000
[  698.833303][T13428] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127e4
[  698.833304][T13428] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1b93e2f0
| [  705.985514][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  705.985516][   T71] Preemption disabled at:
| [  705.985517][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  705.985529][   T71] Tainted: [W]=WARN
[  705.985530][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  705.985532][   T71] Workqueue: netns cleanup_net
[  705.985538][   T71] Call Trace:
[  705.985539][   T71]  <TASK>
[  705.985541][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  705.985547][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  705.985549][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  705.985552][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  705.985554][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  705.985558][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.985560][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  705.985563][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  705.985566][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  705.985571][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  705.985573][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  705.985576][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  705.985577][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  705.985579][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  705.985582][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  705.985587][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  705.985589][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  705.985591][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  705.985593][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.985594][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.985596][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  705.985599][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  705.985601][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.985602][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.985603][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.985604][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.985607][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  705.985609][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  705.985613][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  705.985617][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  705.985620][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.985623][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  705.985626][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.985628][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  705.985630][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  705.985632][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  705.985633][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  705.985636][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  705.985637][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  705.985639][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  705.985640][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  705.985642][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  705.985645][   T71]  ? kthread (kernel/kthread.c:436)
[  705.985647][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  705.985650][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  705.985653][   T71]  _printk (kernel/printk/printk.c:2504)
[  705.985656][   T71]  ? snapshot_read.cold (user.c:?)
[  705.985658][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  705.985662][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  705.985664][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  705.985666][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  705.985669][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.985670][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  705.985672][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  705.985675][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  705.985676][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  705.985678][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  705.985680][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  705.985683][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  705.985693][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  705.985696][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  705.985699][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  705.985701][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  705.985703][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  705.985706][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  705.985708][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  705.985711][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  705.985712][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  705.985714][   T71]  process_one_work (kernel/workqueue.c:3387)
[  705.985717][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  705.985720][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  705.985723][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  705.985725][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  705.985727][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  705.985729][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  705.985731][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  705.985733][   T71]  kthread (kernel/kthread.c:436)
[  705.985735][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  705.985737][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  705.985739][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  705.985741][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  705.985743][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  705.985746][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  705.985748][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  707.609118][T13585] softirqs last disabled at (0): 0x0
| [  707.609120][T13585] Preemption disabled at:
| [  707.609121][T13585] vprintk_emit (kernel/printk/printk.c:2471)
| [  707.609132][T13585] Tainted: [W]=WARN
[  707.609133][T13585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  707.609134][T13585] Call Trace:
[  707.609136][T13585]  <TASK>
[  707.609137][T13585]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  707.609143][T13585]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  707.609145][T13585]  __might_resched.cold (kernel/sched/core.c:9234)
[  707.609149][T13585]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  707.609151][T13585]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  707.609155][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609157][T13585]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  707.609160][T13585]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  707.609164][T13585]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  707.609169][T13585]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  707.609171][T13585]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  707.609173][T13585]  put_chars (drivers/char/virtio_console.c:1176)
[  707.609175][T13585]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  707.609177][T13585]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  707.609180][T13585]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  707.609185][T13585]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  707.609187][T13585]  ? vsnprintf (lib/vsprintf.c:2900)
[  707.609190][T13585]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  707.609192][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609193][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609197][T13585]  console_emit_next_record (kernel/printk/printk.c:3183)
[  707.609201][T13585]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  707.609203][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609204][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609205][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609207][T13585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.609209][T13585]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  707.609211][T13585]  console_flush_one_record (kernel/printk/printk.c:3268)
[  707.609214][T13585]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  707.609217][T13585]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  707.609219][T13585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.609221][T13585]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  707.609223][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609224][T13585]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  707.609225][T13585]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  707.609227][T13585]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  707.609229][T13585]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  707.609231][T13585]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  707.609232][T13585]  vprintk_emit (kernel/printk/printk.c:2479)
[  707.609234][T13585]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  707.609236][T13585]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  707.609237][T13585]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  707.609241][T13585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.609242][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609244][T13585]  _printk (kernel/printk/printk.c:2504)
[  707.609247][T13585]  ? snapshot_read.cold (user.c:?)
[  707.609249][T13585]  ? br_multicast_flood (??:?)
[  707.609253][T13585]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  707.609256][T13585]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  707.609257][T13585]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  707.609259][T13585]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  707.609262][T13585]  br_init_port (net/bridge/br_stp_if.c:39)
[  707.609264][T13585]  new_nbp (net/bridge/br_if.c:449)
[  707.609267][T13585]  br_add_if (net/bridge/br_if.c:592)
[  707.609269][T13585]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  707.609273][T13585]  do_set_master (net/core/rtnetlink.c:3071)
[  707.609275][T13585]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  707.609277][T13585]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  707.609278][T13585]  ? __dev_get_by_name (net/core/dev.c:905)
[  707.609280][T13585]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  707.609284][T13585]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  707.609287][T13585]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  707.609290][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609291][T13585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  707.609292][T13585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.609294][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609296][T13585]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  707.609299][T13585]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  707.609301][T13585]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  707.609303][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609304][T13585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.609306][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609307][T13585]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  707.609309][T13585]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  707.609311][T13585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  707.609312][T13585]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  707.609314][T13585]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  707.609318][T13585]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  707.609321][T13585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  707.609322][T13585]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  707.609324][T13585]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  707.609326][T13585]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  707.609329][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609331][T13585]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  707.609333][T13585]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  707.609335][T13585]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  707.609337][T13585]  ? next_uptodate_folio (mm/filemap.c:3747)
[  707.609340][T13585]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  707.609343][T13585]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  707.609345][T13585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.609347][T13585]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  707.609352][T13585]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  707.609357][T13585]  ____sys_sendmsg (net/socket.c:2713)
[  707.609359][T13585]  ? copy_msghdr_from_user (net/socket.c:2650)
[  707.609362][T13585]  ? sock_write_iter (net/socket.c:1269)
[  707.609364][T13585]  ? move_addr_to_kernel (net/socket.c:258)
[  707.609366][T13585]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  707.609369][T13585]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  707.609371][T13585]  ___sys_sendmsg (net/socket.c:2767)
[  707.609373][T13585]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  707.609374][T13585]  ? copy_msghdr_from_user (net/socket.c:2619)
[  707.609376][T13585]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  707.609381][T13585]  __sys_sendmsg (net/socket.c:2799)
[  707.609383][T13585]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  707.609386][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609388][T13585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  707.609389][T13585]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  707.609392][T13585]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  707.609394][T13585]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  707.609396][T13585] RIP: 0033:0x7f96dde1954e
[  707.609399][T13585] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  707.609401][T13585] RSP: 002b:00007ffda71920b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  707.609405][T13585] RAX: ffffffffffffffda RBX: 00007ffda7192878 RCX: 00007f96dde1954e
[  707.609406][T13585] RDX: 0000000000000000 RSI: 00007ffda7192160 RDI: 0000000000000005
[  707.609407][T13585] RBP: 00007ffda71920c0 R08: 0000000000000000 R09: 0000000000000000
[  707.609408][T13585] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127ed
[  707.609409][T13585] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda7192830
| [  709.461525][T13653] softirqs last disabled at (0): 0x0
| [  709.461527][T13653] Preemption disabled at:
| [  709.461528][T13653] vprintk_emit (kernel/printk/printk.c:2471)
| [  709.461539][T13653] Tainted: [W]=WARN
[  709.461540][T13653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  709.461542][T13653] Call Trace:
[  709.461543][T13653]  <TASK>
[  709.461545][T13653]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  709.461551][T13653]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  709.461552][T13653]  __might_resched.cold (kernel/sched/core.c:9234)
[  709.461556][T13653]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  709.461559][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461562][T13653]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  709.461565][T13653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.461568][T13653]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.461574][T13653]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  709.461576][T13653]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.461578][T13653]  put_chars (drivers/char/virtio_console.c:1176)
[  709.461580][T13653]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  709.461581][T13653]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  709.461584][T13653]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  709.461586][T13653]  ? pointer (lib/vsprintf.c:2577)
[  709.461590][T13653]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  709.461595][T13653]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  709.461597][T13653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.461599][T13653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.461602][T13653]  console_emit_next_record (kernel/printk/printk.c:3183)
[  709.461604][T13653]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  709.461607][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461608][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461609][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461610][T13653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.461612][T13653]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  709.461614][T13653]  console_flush_one_record (kernel/printk/printk.c:3268)
[  709.461617][T13653]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  709.461621][T13653]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  709.461625][T13653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.461627][T13653]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  709.461629][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461631][T13653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.461632][T13653]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  709.461634][T13653]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  709.461636][T13653]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  709.461638][T13653]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  709.461639][T13653]  vprintk_emit (kernel/printk/printk.c:2479)
[  709.461641][T13653]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  709.461643][T13653]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  709.461645][T13653]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  709.461648][T13653]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  709.461651][T13653]  _printk (kernel/printk/printk.c:2504)
[  709.461654][T13653]  ? snapshot_read.cold (user.c:?)
[  709.461656][T13653]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  709.461658][T13653]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  709.461662][T13653]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  709.461664][T13653]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.461667][T13653]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  709.461669][T13653]  ? netdev_notice (net/core/dev.c:13194)
[  709.461671][T13653]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  709.461673][T13653]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  709.461676][T13653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.461678][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461679][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461680][T13653]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  709.461681][T13653]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  709.461683][T13653]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  709.461684][T13653]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.461686][T13653]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  709.461688][T13653]  ? register_netdev (net/core/dev.c:11618)
[  709.461689][T13653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.461691][T13653]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  709.461694][T13653]  ? __kernel_text_address (kernel/extable.c:79)
[  709.461697][T13653]  ? write_profile (profile.c:?)
[  709.461699][T13653]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  709.461703][T13653]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.461705][T13653]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  709.461707][T13653]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  709.461708][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461718][T13653]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  709.461722][T13653]  ? kasan_save_stack (mm/kasan/common.c:58)
[  709.461724][T13653]  ? kasan_save_stack (mm/kasan/common.c:57)
[  709.461725][T13653]  ? kasan_save_track (mm/kasan/common.c:78)
[  709.461726][T13653]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  709.461727][T13653]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  709.461729][T13653]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  709.461730][T13653]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  709.461731][T13653]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  709.461734][T13653]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  709.461736][T13653]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  709.461738][T13653]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  709.461740][T13653]  ? ____sys_sendmsg (net/socket.c:2713)
[  709.461742][T13653]  ? ___sys_sendmsg (net/socket.c:2767)
[  709.461743][T13653]  ? __sys_sendmsg (net/socket.c:2799)
[  709.461745][T13653]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  709.461748][T13653]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.461750][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461752][T13653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.461753][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461754][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461756][T13653]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  709.461757][T13653]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  709.461758][T13653]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  709.461760][T13653]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  709.461761][T13653]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  709.461763][T13653]  ? nla_get_range_signed (lib/nlattr.c:270)
[  709.461766][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461767][T13653]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  709.461770][T13653]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  709.461772][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461773][T13653]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.461774][T13653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.461776][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461778][T13653]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  709.461780][T13653]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  709.461781][T13653]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  709.461783][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461784][T13653]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  709.461788][T13653]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  709.461790][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461791][T13653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.461793][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461794][T13653]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.461796][T13653]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  709.461797][T13653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.461799][T13653]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  709.461802][T13653]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  709.461806][T13653]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  709.461809][T13653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.461811][T13653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.461813][T13653]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  709.461815][T13653]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  709.461818][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461819][T13653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.461822][T13653]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  709.461824][T13653]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  709.461826][T13653]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.461828][T13653]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  709.461830][T13653]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  709.461832][T13653]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  709.461834][T13653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.461836][T13653]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  709.461839][T13653]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  709.461841][T13653]  ____sys_sendmsg (net/socket.c:2713)
[  709.461842][T13653]  ? copy_msghdr_from_user (net/socket.c:2650)
[  709.461844][T13653]  ? sock_write_iter (net/socket.c:1269)
[  709.461846][T13653]  ? move_addr_to_kernel (net/socket.c:258)
[  709.461848][T13653]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  709.461850][T13653]  ___sys_sendmsg (net/socket.c:2767)
[  709.461852][T13653]  ? copy_msghdr_from_user (net/socket.c:2619)
[  709.461857][T13653]  __sys_sendmsg (net/socket.c:2799)
[  709.461859][T13653]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  709.461862][T13653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.461864][T13653]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  709.461866][T13653]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  709.461868][T13653]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.461870][T13653] RIP: 0033:0x7f8e0bed854e
[  709.461872][T13653] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  709.461874][T13653] RSP: 002b:00007ffdf42e6800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  709.461878][T13653] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8e0bed854e
[  709.461879][T13653] RDX: 0000000000000000 RSI: 00007ffdf42e68b0 RDI: 0000000000000005
[  709.461880][T13653] RBP: 00007ffdf42e6810 R08: 0000000000000000 R09: 0000000000000000
[  709.461881][T13653] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127ee
[  709.461882][T13653] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf42e6f70
| [  711.093044][T13712] softirqs last disabled at (0): 0x0
| [  711.093047][T13712] Preemption disabled at:
| [  711.093048][T13712] vprintk_emit (kernel/printk/printk.c:2471)
| [  711.093060][T13712] Tainted: [W]=WARN
[  711.093062][T13712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  711.093064][T13712] Call Trace:
[  711.093066][T13712]  <TASK>
[  711.093068][T13712]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  711.093074][T13712]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  711.093076][T13712]  __might_resched.cold (kernel/sched/core.c:9234)
[  711.093080][T13712]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  711.093083][T13712]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  711.093087][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093090][T13712]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  711.093093][T13712]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  711.093096][T13712]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  711.093101][T13712]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  711.093103][T13712]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  711.093106][T13712]  put_chars (drivers/char/virtio_console.c:1176)
[  711.093108][T13712]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  711.093110][T13712]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  711.093113][T13712]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  711.093118][T13712]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  711.093120][T13712]  ? vsnprintf (lib/vsprintf.c:2900)
[  711.093123][T13712]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  711.093125][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093126][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093128][T13712]  console_emit_next_record (kernel/printk/printk.c:3183)
[  711.093131][T13712]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  711.093134][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093135][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093136][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093137][T13712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.093140][T13712]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  711.093142][T13712]  console_flush_one_record (kernel/printk/printk.c:3268)
[  711.093145][T13712]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  711.093148][T13712]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  711.093150][T13712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.093152][T13712]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  711.093154][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093155][T13712]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  711.093157][T13712]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  711.093159][T13712]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  711.093160][T13712]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  711.093163][T13712]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  711.093165][T13712]  vprintk_emit (kernel/printk/printk.c:2479)
[  711.093167][T13712]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  711.093168][T13712]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  711.093170][T13712]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  711.093173][T13712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.093175][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093176][T13712]  _printk (kernel/printk/printk.c:2504)
[  711.093180][T13712]  ? snapshot_read.cold (user.c:?)
[  711.093182][T13712]  ? br_multicast_flood (??:?)
[  711.093186][T13712]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  711.093189][T13712]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  711.093190][T13712]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  711.093192][T13712]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  711.093199][T13712]  br_init_port (net/bridge/br_stp_if.c:39)
[  711.093201][T13712]  new_nbp (net/bridge/br_if.c:449)
[  711.093204][T13712]  br_add_if (net/bridge/br_if.c:592)
[  711.093206][T13712]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  711.093212][T13712]  do_set_master (net/core/rtnetlink.c:3071)
[  711.093216][T13712]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  711.093219][T13712]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  711.093222][T13712]  ? __dev_get_by_name (net/core/dev.c:905)
[  711.093224][T13712]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  711.093230][T13712]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  711.093233][T13712]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  711.093236][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093238][T13712]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.093239][T13712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.093241][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093243][T13712]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  711.093246][T13712]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  711.093248][T13712]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  711.093251][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093253][T13712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.093255][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093256][T13712]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.093258][T13712]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  711.093260][T13712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  711.093262][T13712]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  711.093264][T13712]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  711.093268][T13712]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  711.093271][T13712]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  711.093273][T13712]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  711.093275][T13712]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  711.093277][T13712]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  711.093282][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093284][T13712]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  711.093287][T13712]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  711.093290][T13712]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  711.093292][T13712]  ? next_uptodate_folio (mm/filemap.c:3747)
[  711.093296][T13712]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  711.093298][T13712]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  711.093300][T13712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.093302][T13712]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  711.093306][T13712]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  711.093309][T13712]  ____sys_sendmsg (net/socket.c:2713)
[  711.093311][T13712]  ? copy_msghdr_from_user (net/socket.c:2650)
[  711.093312][T13712]  ? sock_write_iter (net/socket.c:1269)
[  711.093314][T13712]  ? move_addr_to_kernel (net/socket.c:258)
[  711.093317][T13712]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  711.093319][T13712]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.093321][T13712]  ___sys_sendmsg (net/socket.c:2767)
[  711.093323][T13712]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  711.093325][T13712]  ? copy_msghdr_from_user (net/socket.c:2619)
[  711.093327][T13712]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  711.093334][T13712]  __sys_sendmsg (net/socket.c:2799)
[  711.093337][T13712]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  711.093340][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093342][T13712]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.093343][T13712]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  711.093346][T13712]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  711.093348][T13712]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  711.093351][T13712] RIP: 0033:0x7f196fe8d54e
[  711.093354][T13712] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  711.093356][T13712] RSP: 002b:00007ffec3936990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  711.093360][T13712] RAX: ffffffffffffffda RBX: 00007ffec3937158 RCX: 00007f196fe8d54e
[  711.093362][T13712] RDX: 0000000000000000 RSI: 00007ffec3936a40 RDI: 0000000000000005
[  711.093363][T13712] RBP: 00007ffec39369a0 R08: 0000000000000000 R09: 0000000000000000
[  711.093364][T13712] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127f0
[  711.093365][T13712] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec3937110
| [  717.378915][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  717.378918][   T71] Preemption disabled at:
| [  717.378919][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  717.378932][   T71] Tainted: [W]=WARN
[  717.378933][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  717.378935][   T71] Workqueue: netns cleanup_net
[  717.378941][   T71] Call Trace:
[  717.378943][   T71]  <TASK>
[  717.378945][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  717.378950][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  717.378952][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  717.378955][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  717.378957][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  717.378961][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.378963][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  717.378966][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  717.378969][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  717.378974][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  717.378976][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  717.378979][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  717.378981][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  717.378983][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  717.378985][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  717.378991][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  717.378993][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  717.378995][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  717.378997][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.378998][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.379000][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  717.379003][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  717.379005][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.379006][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.379007][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.379008][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.379011][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  717.379013][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  717.379015][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  717.379018][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  717.379020][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.379022][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  717.379024][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.379026][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  717.379029][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  717.379031][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  717.379034][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  717.379036][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  717.379038][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  717.379040][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  717.379041][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  717.379042][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  717.379046][   T71]  ? kthread (kernel/kthread.c:436)
[  717.379048][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  717.379051][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  717.379054][   T71]  _printk (kernel/printk/printk.c:2504)
[  717.379057][   T71]  ? snapshot_read.cold (user.c:?)
[  717.379059][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  717.379063][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  717.379065][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  717.379067][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  717.379070][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.379071][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  717.379072][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  717.379076][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  717.379077][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  717.379079][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  717.379081][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  717.379084][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  717.379088][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  717.379090][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  717.379093][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  717.379095][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  717.379097][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  717.379100][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  717.379102][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  717.379104][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  717.379106][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  717.379108][   T71]  process_one_work (kernel/workqueue.c:3387)
[  717.379111][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  717.379114][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  717.379116][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  717.379119][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  717.379121][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  717.379123][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  717.379125][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  717.379127][   T71]  kthread (kernel/kthread.c:436)
[  717.379129][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  717.379130][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  717.379132][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  717.379134][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  717.379136][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  717.379141][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  717.379144][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  718.399526][T13803] softirqs last disabled at (0): 0x0
| [  718.399528][T13803] Preemption disabled at:
| [  718.399529][T13803] vprintk_emit (kernel/printk/printk.c:2471)
| [  718.399540][T13803] Tainted: [W]=WARN
[  718.399542][T13803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  718.399544][T13803] Call Trace:
[  718.399545][T13803]  <TASK>
[  718.399547][T13803]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  718.399553][T13803]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  718.399554][T13803]  __might_resched.cold (kernel/sched/core.c:9234)
[  718.399558][T13803]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  718.399562][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399565][T13803]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  718.399568][T13803]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  718.399571][T13803]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  718.399576][T13803]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  718.399578][T13803]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  718.399581][T13803]  put_chars (drivers/char/virtio_console.c:1176)
[  718.399583][T13803]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  718.399584][T13803]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  718.399586][T13803]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  718.399589][T13803]  ? pointer (lib/vsprintf.c:2577)
[  718.399592][T13803]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  718.399597][T13803]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  718.399599][T13803]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  718.399601][T13803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.399604][T13803]  console_emit_next_record (kernel/printk/printk.c:3183)
[  718.399607][T13803]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  718.399609][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399610][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399611][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399612][T13803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.399615][T13803]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  718.399617][T13803]  console_flush_one_record (kernel/printk/printk.c:3268)
[  718.399619][T13803]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  718.399622][T13803]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  718.399624][T13803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.399626][T13803]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  718.399628][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399630][T13803]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  718.399631][T13803]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  718.399633][T13803]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  718.399635][T13803]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  718.399638][T13803]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  718.399640][T13803]  vprintk_emit (kernel/printk/printk.c:2479)
[  718.399642][T13803]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  718.399643][T13803]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  718.399646][T13803]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  718.399649][T13803]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  718.399652][T13803]  _printk (kernel/printk/printk.c:2504)
[  718.399655][T13803]  ? snapshot_read.cold (user.c:?)
[  718.399658][T13803]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  718.399660][T13803]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  718.399664][T13803]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  718.399666][T13803]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  718.399670][T13803]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  718.399672][T13803]  ? netdev_notice (net/core/dev.c:13194)
[  718.399675][T13803]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  718.399677][T13803]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  718.399679][T13803]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  718.399681][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399682][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399684][T13803]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  718.399685][T13803]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  718.399687][T13803]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  718.399688][T13803]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  718.399689][T13803]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  718.399691][T13803]  ? register_netdev (net/core/dev.c:11618)
[  718.399693][T13803]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  718.399695][T13803]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  718.399698][T13803]  ? __kernel_text_address (kernel/extable.c:79)
[  718.399700][T13803]  ? write_profile (profile.c:?)
[  718.399703][T13803]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  718.399706][T13803]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  718.399708][T13803]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  718.399710][T13803]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  718.399711][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399712][T13803]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  718.399716][T13803]  ? kasan_save_stack (mm/kasan/common.c:58)
[  718.399718][T13803]  ? kasan_save_stack (mm/kasan/common.c:57)
[  718.399719][T13803]  ? kasan_save_track (mm/kasan/common.c:78)
[  718.399720][T13803]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  718.399722][T13803]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  718.399723][T13803]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  718.399724][T13803]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  718.399726][T13803]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  718.399729][T13803]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  718.399730][T13803]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  718.399732][T13803]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  718.399735][T13803]  ? ____sys_sendmsg (net/socket.c:2713)
[  718.399737][T13803]  ? ___sys_sendmsg (net/socket.c:2767)
[  718.399738][T13803]  ? __sys_sendmsg (net/socket.c:2799)
[  718.399740][T13803]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  718.399742][T13803]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  718.399745][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399746][T13803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.399748][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399749][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399750][T13803]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  718.399752][T13803]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  718.399753][T13803]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  718.399755][T13803]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  718.399756][T13803]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  718.399757][T13803]  ? nla_get_range_signed (lib/nlattr.c:270)
[  718.399761][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399762][T13803]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  718.399764][T13803]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  718.399767][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399768][T13803]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  718.399769][T13803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.399777][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399778][T13803]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  718.399781][T13803]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  718.399782][T13803]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  718.399784][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399785][T13803]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  718.399788][T13803]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  718.399791][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399792][T13803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.399794][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399795][T13803]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  718.399797][T13803]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  718.399799][T13803]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  718.399800][T13803]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  718.399802][T13803]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  718.399805][T13803]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  718.399806][T13803]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  718.399808][T13803]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  718.399810][T13803]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  718.399812][T13803]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  718.399815][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399816][T13803]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  718.399818][T13803]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  718.399821][T13803]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  718.399823][T13803]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  718.399825][T13803]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  718.399827][T13803]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  718.399829][T13803]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  718.399831][T13803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  718.399832][T13803]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  718.399836][T13803]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  718.399838][T13803]  ____sys_sendmsg (net/socket.c:2713)
[  718.399840][T13803]  ? copy_msghdr_from_user (net/socket.c:2650)
[  718.399841][T13803]  ? sock_write_iter (net/socket.c:1269)
[  718.399843][T13803]  ? move_addr_to_kernel (net/socket.c:258)
[  718.399845][T13803]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  718.399847][T13803]  ___sys_sendmsg (net/socket.c:2767)
[  718.399849][T13803]  ? copy_msghdr_from_user (net/socket.c:2619)
[  718.399855][T13803]  __sys_sendmsg (net/socket.c:2799)
[  718.399857][T13803]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  718.399860][T13803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  718.399861][T13803]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  718.399863][T13803]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  718.399865][T13803]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  718.399867][T13803] RIP: 0033:0x7f976218d54e
[  718.399869][T13803] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  718.399871][T13803] RSP: 002b:00007ffd25203520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  718.399875][T13803] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f976218d54e
[  718.399877][T13803] RDX: 0000000000000000 RSI: 00007ffd252035d0 RDI: 0000000000000005
[  718.399878][T13803] RBP: 00007ffd25203530 R08: 0000000000000000 R09: 0000000000000000
[  718.399879][T13803] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127f7
[  718.399880][T13803] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd25203c90
| [  720.043261][T13878] softirqs last disabled at (0): 0x0
| [  720.043264][T13878] Preemption disabled at:
| [  720.043265][T13878] vprintk_emit (kernel/printk/printk.c:2471)
| [  720.043279][T13878] Tainted: [W]=WARN
[  720.043280][T13878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  720.043283][T13878] Call Trace:
[  720.043285][T13878]  <TASK>
[  720.043288][T13878]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  720.043295][T13878]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  720.043297][T13878]  __might_resched.cold (kernel/sched/core.c:9234)
[  720.043302][T13878]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  720.043305][T13878]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  720.043309][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043313][T13878]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  720.043317][T13878]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.043321][T13878]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  720.043328][T13878]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  720.043330][T13878]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  720.043334][T13878]  put_chars (drivers/char/virtio_console.c:1176)
[  720.043337][T13878]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  720.043341][T13878]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  720.043345][T13878]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  720.043351][T13878]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  720.043354][T13878]  ? vsnprintf (lib/vsprintf.c:2900)
[  720.043358][T13878]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.043361][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043363][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043366][T13878]  console_emit_next_record (kernel/printk/printk.c:3183)
[  720.043370][T13878]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  720.043374][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043376][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043378][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043379][T13878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.043383][T13878]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  720.043386][T13878]  console_flush_one_record (kernel/printk/printk.c:3268)
[  720.043390][T13878]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  720.043395][T13878]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  720.043398][T13878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.043401][T13878]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  720.043403][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043405][T13878]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  720.043408][T13878]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  720.043410][T13878]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  720.043413][T13878]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  720.043416][T13878]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  720.043419][T13878]  vprintk_emit (kernel/printk/printk.c:2479)
[  720.043422][T13878]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  720.043424][T13878]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.043427][T13878]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  720.043430][T13878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.043433][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043436][T13878]  _printk (kernel/printk/printk.c:2504)
[  720.043440][T13878]  ? snapshot_read.cold (user.c:?)
[  720.043443][T13878]  ? br_multicast_flood (??:?)
[  720.043448][T13878]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  720.043451][T13878]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  720.043453][T13878]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  720.043456][T13878]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  720.043461][T13878]  br_init_port (net/bridge/br_stp_if.c:39)
[  720.043464][T13878]  new_nbp (net/bridge/br_if.c:449)
[  720.043467][T13878]  br_add_if (net/bridge/br_if.c:592)
[  720.043470][T13878]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  720.043476][T13878]  do_set_master (net/core/rtnetlink.c:3071)
[  720.043479][T13878]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  720.043482][T13878]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  720.043485][T13878]  ? __dev_get_by_name (net/core/dev.c:905)
[  720.043487][T13878]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  720.043494][T13878]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  720.043498][T13878]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  720.043502][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043504][T13878]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  720.043507][T13878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.043510][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043512][T13878]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  720.043516][T13878]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  720.043519][T13878]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  720.043523][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043525][T13878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.043528][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043530][T13878]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  720.043533][T13878]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  720.043536][T13878]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  720.043538][T13878]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  720.043541][T13878]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  720.043547][T13878]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  720.043551][T13878]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  720.043554][T13878]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  720.043557][T13878]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  720.043559][T13878]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  720.043564][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043567][T13878]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  720.043570][T13878]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  720.043574][T13878]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  720.043578][T13878]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  720.043581][T13878]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  720.043586][T13878]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  720.043589][T13878]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  720.043593][T13878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.043595][T13878]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  720.043600][T13878]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  720.043604][T13878]  ____sys_sendmsg (net/socket.c:2713)
[  720.043607][T13878]  ? copy_msghdr_from_user (net/socket.c:2650)
[  720.043610][T13878]  ? sock_write_iter (net/socket.c:1269)
[  720.043613][T13878]  ? move_addr_to_kernel (net/socket.c:258)
[  720.043616][T13878]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  720.043620][T13878]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.043624][T13878]  ___sys_sendmsg (net/socket.c:2767)
[  720.043627][T13878]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  720.043630][T13878]  ? copy_msghdr_from_user (net/socket.c:2619)
[  720.043633][T13878]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  720.043641][T13878]  __sys_sendmsg (net/socket.c:2799)
[  720.043644][T13878]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  720.043649][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043651][T13878]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.043654][T13878]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  720.043658][T13878]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  720.043661][T13878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  720.043665][T13878] RIP: 0033:0x7f13b5ee154e
[  720.043668][T13878] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  720.043671][T13878] RSP: 002b:00007ffec54f3790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  720.043676][T13878] RAX: ffffffffffffffda RBX: 00007ffec54f3f58 RCX: 00007f13b5ee154e
[  720.043679][T13878] RDX: 0000000000000000 RSI: 00007ffec54f3840 RDI: 0000000000000005
[  720.043681][T13878] RBP: 00007ffec54f37a0 R08: 0000000000000000 R09: 0000000000000000
[  720.043682][T13878] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127f9
[  720.043684][T13878] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec54f3f10
| [  721.622300][T13944] softirqs last disabled at (0): 0x0
| [  721.622302][T13944] Preemption disabled at:
| [  721.622303][T13944] vprintk_emit (kernel/printk/printk.c:2471)
| [  721.622317][T13944] Tainted: [W]=WARN
[  721.622319][T13944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  721.622322][T13944] Call Trace:
[  721.622324][T13944]  <TASK>
[  721.622326][T13944]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  721.622334][T13944]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  721.622336][T13944]  __might_resched.cold (kernel/sched/core.c:9234)
[  721.622341][T13944]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  721.622344][T13944]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  721.622349][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622353][T13944]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  721.622357][T13944]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  721.622361][T13944]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.622367][T13944]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  721.622370][T13944]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.622374][T13944]  put_chars (drivers/char/virtio_console.c:1176)
[  721.622377][T13944]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  721.622380][T13944]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  721.622384][T13944]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  721.622391][T13944]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  721.622394][T13944]  ? vsnprintf (lib/vsprintf.c:2900)
[  721.622399][T13944]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  721.622401][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622403][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622407][T13944]  console_emit_next_record (kernel/printk/printk.c:3183)
[  721.622411][T13944]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  721.622414][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622416][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622418][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622420][T13944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.622424][T13944]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  721.622427][T13944]  console_flush_one_record (kernel/printk/printk.c:3268)
[  721.622431][T13944]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  721.622436][T13944]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  721.622439][T13944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.622442][T13944]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  721.622444][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622446][T13944]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  721.622449][T13944]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  721.622452][T13944]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  721.622454][T13944]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  721.622458][T13944]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  721.622460][T13944]  vprintk_emit (kernel/printk/printk.c:2479)
[  721.622464][T13944]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  721.622466][T13944]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  721.622469][T13944]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  721.622473][T13944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.622476][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622479][T13944]  _printk (kernel/printk/printk.c:2504)
[  721.622483][T13944]  ? snapshot_read.cold (user.c:?)
[  721.622486][T13944]  ? br_multicast_flood (??:?)
[  721.622491][T13944]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  721.622495][T13944]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  721.622497][T13944]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  721.622501][T13944]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  721.622505][T13944]  br_init_port (net/bridge/br_stp_if.c:39)
[  721.622508][T13944]  new_nbp (net/bridge/br_if.c:449)
[  721.622512][T13944]  br_add_if (net/bridge/br_if.c:592)
[  721.622515][T13944]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  721.622521][T13944]  do_set_master (net/core/rtnetlink.c:3071)
[  721.622524][T13944]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  721.622528][T13944]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  721.622530][T13944]  ? __dev_get_by_name (net/core/dev.c:905)
[  721.622533][T13944]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  721.622539][T13944]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  721.622544][T13944]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  721.622548][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622550][T13944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.622553][T13944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.622555][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622558][T13944]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  721.622562][T13944]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  721.622565][T13944]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  721.622568][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622571][T13944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.622573][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622576][T13944]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.622578][T13944]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  721.622581][T13944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.622584][T13944]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  721.622587][T13944]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  721.622593][T13944]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  721.622597][T13944]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.622600][T13944]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  721.622603][T13944]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  721.622605][T13944]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  721.622611][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622613][T13944]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  721.622616][T13944]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  721.622620][T13944]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  721.622623][T13944]  ? next_uptodate_folio (mm/filemap.c:3747)
[  721.622628][T13944]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  721.622632][T13944]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  721.622635][T13944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.622638][T13944]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  721.622643][T13944]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  721.622647][T13944]  ____sys_sendmsg (net/socket.c:2713)
[  721.622650][T13944]  ? copy_msghdr_from_user (net/socket.c:2650)
[  721.622653][T13944]  ? sock_write_iter (net/socket.c:1269)
[  721.622656][T13944]  ? move_addr_to_kernel (net/socket.c:258)
[  721.622659][T13944]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  721.622663][T13944]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.622666][T13944]  ___sys_sendmsg (net/socket.c:2767)
[  721.622669][T13944]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  721.622672][T13944]  ? copy_msghdr_from_user (net/socket.c:2619)
[  721.622675][T13944]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  721.622683][T13944]  __sys_sendmsg (net/socket.c:2799)
[  721.622687][T13944]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  721.622691][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622693][T13944]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.622696][T13944]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  721.622700][T13944]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  721.622703][T13944]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  721.622707][T13944] RIP: 0033:0x7f9b3b90254e
[  721.622711][T13944] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  721.622714][T13944] RSP: 002b:00007ffca3c8c5b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  721.622719][T13944] RAX: ffffffffffffffda RBX: 00007ffca3c8cd78 RCX: 00007f9b3b90254e
[  721.622721][T13944] RDX: 0000000000000000 RSI: 00007ffca3c8c660 RDI: 0000000000000005
[  721.622723][T13944] RBP: 00007ffca3c8c5c0 R08: 0000000000000000 R09: 0000000000000000
[  721.622725][T13944] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9127fb
[  721.622727][T13944] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca3c8cd30
| [  728.859313][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  728.859315][   T71] Preemption disabled at:
| [  728.859316][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  728.859327][   T71] Tainted: [W]=WARN
[  728.859328][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  728.859330][   T71] Workqueue: netns cleanup_net
[  728.859337][   T71] Call Trace:
[  728.859338][   T71]  <TASK>
[  728.859340][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  728.859346][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  728.859348][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  728.859351][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  728.859354][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  728.859358][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.859360][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  728.859363][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  728.859367][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  728.859371][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  728.859373][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  728.859376][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  728.859378][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  728.859380][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  728.859383][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  728.859388][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  728.859390][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  728.859392][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  728.859394][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.859395][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.859397][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  728.859400][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  728.859402][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.859404][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.859405][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.859406][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.859409][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  728.859411][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  728.859413][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  728.859417][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  728.859419][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.859420][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  728.859422][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.859423][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  728.859425][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  728.859427][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  728.859429][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  728.859431][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  728.859433][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  728.859434][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  728.859436][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  728.859437][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  728.859441][   T71]  ? kthread (kernel/kthread.c:436)
[  728.859443][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  728.859446][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  728.859449][   T71]  _printk (kernel/printk/printk.c:2504)
[  728.859453][   T71]  ? snapshot_read.cold (user.c:?)
[  728.859455][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  728.859458][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  728.859461][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  728.859463][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  728.859466][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.859467][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  728.859469][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  728.859472][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  728.859473][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  728.859475][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  728.859477][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  728.859480][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  728.859484][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  728.859486][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  728.859489][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  728.859491][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  728.859493][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  728.859496][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  728.859498][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  728.859500][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  728.859502][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  728.859504][   T71]  process_one_work (kernel/workqueue.c:3387)
[  728.859507][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  728.859510][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  728.859513][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  728.859515][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  728.859517][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  728.859519][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  728.859521][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  728.859523][   T71]  kthread (kernel/kthread.c:436)
[  728.859525][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  728.859527][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  728.859529][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  728.859531][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  728.859533][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  728.859536][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  728.859538][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  730.485816][T14109] softirqs last disabled at (0): 0x0
| [  730.485818][T14109] Preemption disabled at:
| [  730.485820][T14109] vprintk_emit (kernel/printk/printk.c:2471)
| [  730.485833][T14109] Tainted: [W]=WARN
[  730.485835][T14109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  730.485838][T14109] Call Trace:
[  730.485840][T14109]  <TASK>
[  730.485842][T14109]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  730.485850][T14109]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  730.485852][T14109]  __might_resched.cold (kernel/sched/core.c:9234)
[  730.485863][T14109]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  730.485866][T14109]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  730.485871][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.485875][T14109]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  730.485879][T14109]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  730.485883][T14109]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  730.485889][T14109]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  730.485892][T14109]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  730.485896][T14109]  put_chars (drivers/char/virtio_console.c:1176)
[  730.485899][T14109]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  730.485902][T14109]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  730.485906][T14109]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  730.485913][T14109]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  730.485916][T14109]  ? vsnprintf (lib/vsprintf.c:2900)
[  730.485920][T14109]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  730.485923][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.485925][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.485928][T14109]  console_emit_next_record (kernel/printk/printk.c:3183)
[  730.485932][T14109]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  730.485935][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.485937][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.485939][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.485941][T14109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.485945][T14109]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  730.485948][T14109]  console_flush_one_record (kernel/printk/printk.c:3268)
[  730.485952][T14109]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  730.485956][T14109]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  730.485960][T14109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.485962][T14109]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  730.485965][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.485967][T14109]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  730.485970][T14109]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  730.485972][T14109]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  730.485975][T14109]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  730.485978][T14109]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  730.485981][T14109]  vprintk_emit (kernel/printk/printk.c:2479)
[  730.485984][T14109]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  730.485986][T14109]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  730.485989][T14109]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  730.485993][T14109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.485996][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.485998][T14109]  _printk (kernel/printk/printk.c:2504)
[  730.486003][T14109]  ? snapshot_read.cold (user.c:?)
[  730.486006][T14109]  ? br_multicast_flood (??:?)
[  730.486011][T14109]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  730.486014][T14109]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  730.486016][T14109]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  730.486020][T14109]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  730.486024][T14109]  br_init_port (net/bridge/br_stp_if.c:39)
[  730.486027][T14109]  new_nbp (net/bridge/br_if.c:449)
[  730.486031][T14109]  br_add_if (net/bridge/br_if.c:592)
[  730.486034][T14109]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  730.486040][T14109]  do_set_master (net/core/rtnetlink.c:3071)
[  730.486043][T14109]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  730.486046][T14109]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  730.486049][T14109]  ? __dev_get_by_name (net/core/dev.c:905)
[  730.486051][T14109]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  730.486057][T14109]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  730.486062][T14109]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  730.486065][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.486068][T14109]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  730.486070][T14109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.486072][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.486075][T14109]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  730.486079][T14109]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  730.486082][T14109]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  730.486085][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.486087][T14109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.486090][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.486092][T14109]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  730.486095][T14109]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  730.486098][T14109]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  730.486100][T14109]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  730.486103][T14109]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  730.486109][T14109]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  730.486113][T14109]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  730.486115][T14109]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  730.486118][T14109]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  730.486121][T14109]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  730.486125][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.486128][T14109]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  730.486131][T14109]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  730.486135][T14109]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  730.486138][T14109]  ? next_uptodate_folio (mm/filemap.c:3747)
[  730.486143][T14109]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  730.486147][T14109]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  730.486150][T14109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.486153][T14109]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  730.486158][T14109]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  730.486162][T14109]  ____sys_sendmsg (net/socket.c:2713)
[  730.486165][T14109]  ? copy_msghdr_from_user (net/socket.c:2650)
[  730.486168][T14109]  ? sock_write_iter (net/socket.c:1269)
[  730.486170][T14109]  ? move_addr_to_kernel (net/socket.c:258)
[  730.486174][T14109]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  730.486177][T14109]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  730.486181][T14109]  ___sys_sendmsg (net/socket.c:2767)
[  730.486184][T14109]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  730.486187][T14109]  ? copy_msghdr_from_user (net/socket.c:2619)
[  730.486190][T14109]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  730.486200][T14109]  __sys_sendmsg (net/socket.c:2799)
[  730.486204][T14109]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  730.486208][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.486211][T14109]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  730.486213][T14109]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  730.486217][T14109]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  730.486220][T14109]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  730.486224][T14109] RIP: 0033:0x7f1fd3b2254e
[  730.486228][T14109] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  730.486231][T14109] RSP: 002b:00007ffd2f7060c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  730.486236][T14109] RAX: ffffffffffffffda RBX: 00007ffd2f706888 RCX: 00007f1fd3b2254e
[  730.486238][T14109] RDX: 0000000000000000 RSI: 00007ffd2f706170 RDI: 0000000000000005
[  730.486240][T14109] RBP: 00007ffd2f7060d0 R08: 0000000000000000 R09: 0000000000000000
[  730.486241][T14109] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912803
[  730.486243][T14109] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2f706840
| [  731.545467][T14139] softirqs last disabled at (0): 0x0
| [  731.545470][T14139] Preemption disabled at:
| [  731.545471][T14139] vprintk_emit (kernel/printk/printk.c:2471)
| [  731.545485][T14139] Tainted: [W]=WARN
[  731.545486][T14139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  731.545489][T14139] Call Trace:
[  731.545491][T14139]  <TASK>
[  731.545493][T14139]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  731.545500][T14139]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  731.545502][T14139]  __might_resched.cold (kernel/sched/core.c:9234)
[  731.545507][T14139]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  731.545510][T14139]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  731.545514][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545518][T14139]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  731.545522][T14139]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  731.545526][T14139]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  731.545532][T14139]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  731.545534][T14139]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  731.545538][T14139]  put_chars (drivers/char/virtio_console.c:1176)
[  731.545541][T14139]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  731.545544][T14139]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  731.545547][T14139]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  731.545553][T14139]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  731.545556][T14139]  ? vsnprintf (lib/vsprintf.c:2900)
[  731.545560][T14139]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  731.545562][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545564][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545567][T14139]  console_emit_next_record (kernel/printk/printk.c:3183)
[  731.545571][T14139]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  731.545574][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545576][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545577][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545579][T14139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.545583][T14139]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  731.545585][T14139]  console_flush_one_record (kernel/printk/printk.c:3268)
[  731.545589][T14139]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  731.545593][T14139]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  731.545596][T14139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.545598][T14139]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  731.545601][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545602][T14139]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  731.545605][T14139]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  731.545607][T14139]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  731.545610][T14139]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  731.545612][T14139]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  731.545615][T14139]  vprintk_emit (kernel/printk/printk.c:2479)
[  731.545617][T14139]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  731.545619][T14139]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  731.545622][T14139]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  731.545625][T14139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.545628][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545630][T14139]  _printk (kernel/printk/printk.c:2504)
[  731.545634][T14139]  ? snapshot_read.cold (user.c:?)
[  731.545637][T14139]  ? br_multicast_flood (??:?)
[  731.545642][T14139]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  731.545645][T14139]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  731.545647][T14139]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  731.545650][T14139]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  731.545654][T14139]  br_init_port (net/bridge/br_stp_if.c:39)
[  731.545656][T14139]  new_nbp (net/bridge/br_if.c:449)
[  731.545660][T14139]  br_add_if (net/bridge/br_if.c:592)
[  731.545662][T14139]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  731.545668][T14139]  do_set_master (net/core/rtnetlink.c:3071)
[  731.545671][T14139]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  731.545674][T14139]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  731.545676][T14139]  ? __dev_get_by_name (net/core/dev.c:905)
[  731.545678][T14139]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  731.545684][T14139]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  731.545688][T14139]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  731.545691][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545693][T14139]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  731.545695][T14139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.545698][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545700][T14139]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  731.545703][T14139]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  731.545706][T14139]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  731.545709][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545711][T14139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.545713][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545715][T14139]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  731.545717][T14139]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  731.545720][T14139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  731.545722][T14139]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  731.545725][T14139]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  731.545730][T14139]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  731.545734][T14139]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  731.545736][T14139]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  731.545738][T14139]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  731.545741][T14139]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  731.545745][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545747][T14139]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  731.545750][T14139]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  731.545753][T14139]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  731.545756][T14139]  ? next_uptodate_folio (mm/filemap.c:3747)
[  731.545760][T14139]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  731.545763][T14139]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  731.545766][T14139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.545768][T14139]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  731.545773][T14139]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  731.545777][T14139]  ____sys_sendmsg (net/socket.c:2713)
[  731.545780][T14139]  ? copy_msghdr_from_user (net/socket.c:2650)
[  731.545783][T14139]  ? sock_write_iter (net/socket.c:1269)
[  731.545785][T14139]  ? move_addr_to_kernel (net/socket.c:258)
[  731.545789][T14139]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  731.545792][T14139]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.545795][T14139]  ___sys_sendmsg (net/socket.c:2767)
[  731.545798][T14139]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  731.545800][T14139]  ? copy_msghdr_from_user (net/socket.c:2619)
[  731.545803][T14139]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  731.545811][T14139]  __sys_sendmsg (net/socket.c:2799)
[  731.545814][T14139]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  731.545819][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545821][T14139]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.545823][T14139]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  731.545827][T14139]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  731.545830][T14139]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  731.545834][T14139] RIP: 0033:0x7f3ae4ba954e
[  731.545837][T14139] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  731.545840][T14139] RSP: 002b:00007ffc11f8f9b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  731.545845][T14139] RAX: ffffffffffffffda RBX: 00007ffc11f90178 RCX: 00007f3ae4ba954e
[  731.545847][T14139] RDX: 0000000000000000 RSI: 00007ffc11f8fa60 RDI: 0000000000000005
[  731.545849][T14139] RBP: 00007ffc11f8f9c0 R08: 0000000000000000 R09: 0000000000000000
[  731.545850][T14139] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912804
[  731.545852][T14139] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc11f90130
| [  732.618732][T14178] softirqs last disabled at (0): 0x0
| [  732.618735][T14178] Preemption disabled at:
| [  732.618736][T14178] vprintk_emit (kernel/printk/printk.c:2471)
| [  732.618751][T14178] Tainted: [W]=WARN
[  732.618753][T14178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  732.618756][T14178] Call Trace:
[  732.618758][T14178]  <TASK>
[  732.618760][T14178]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  732.618767][T14178]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  732.618769][T14178]  __might_resched.cold (kernel/sched/core.c:9234)
[  732.618775][T14178]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  732.618779][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.618783][T14178]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  732.618787][T14178]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  732.618791][T14178]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  732.618798][T14178]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  732.618801][T14178]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  732.618805][T14178]  put_chars (drivers/char/virtio_console.c:1176)
[  732.618808][T14178]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  732.618810][T14178]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  732.618814][T14178]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  732.618818][T14178]  ? pointer (lib/vsprintf.c:2577)
[  732.618822][T14178]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  732.618829][T14178]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  732.618832][T14178]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  732.618835][T14178]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.618839][T14178]  console_emit_next_record (kernel/printk/printk.c:3183)
[  732.618844][T14178]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  732.618847][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.618850][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.618852][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.618854][T14178]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.618857][T14178]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  732.618860][T14178]  console_flush_one_record (kernel/printk/printk.c:3268)
[  732.618864][T14178]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  732.618876][T14178]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  732.618879][T14178]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.618882][T14178]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  732.618884][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.618886][T14178]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  732.618889][T14178]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  732.618892][T14178]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  732.618895][T14178]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  732.618898][T14178]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  732.618901][T14178]  vprintk_emit (kernel/printk/printk.c:2479)
[  732.618904][T14178]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  732.618907][T14178]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  732.618910][T14178]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  732.618914][T14178]  _printk (kernel/printk/printk.c:2504)
[  732.618919][T14178]  ? snapshot_read.cold (user.c:?)
[  732.618922][T14178]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  732.618926][T14178]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  732.618930][T14178]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  732.618933][T14178]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  732.618938][T14178]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  732.618941][T14178]  ? netdev_notice (net/core/dev.c:13194)
[  732.618945][T14178]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  732.618947][T14178]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  732.618951][T14178]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  732.618954][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.618956][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.618958][T14178]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  732.618962][T14178]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  732.618965][T14178]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  732.618968][T14178]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  732.618970][T14178]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  732.618974][T14178]  ? register_netdev (net/core/dev.c:11618)
[  732.618976][T14178]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  732.618980][T14178]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  732.618984][T14178]  ? __kernel_text_address (kernel/extable.c:79)
[  732.618987][T14178]  ? write_profile (profile.c:?)
[  732.618992][T14178]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  732.618997][T14178]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  732.619000][T14178]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  732.619003][T14178]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  732.619005][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619007][T14178]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  732.619012][T14178]  ? kasan_save_stack (mm/kasan/common.c:58)
[  732.619015][T14178]  ? kasan_save_stack (mm/kasan/common.c:57)
[  732.619017][T14178]  ? kasan_save_track (mm/kasan/common.c:78)
[  732.619020][T14178]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  732.619022][T14178]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  732.619024][T14178]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  732.619026][T14178]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  732.619029][T14178]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  732.619032][T14178]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  732.619035][T14178]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  732.619037][T14178]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  732.619041][T14178]  ? ____sys_sendmsg (net/socket.c:2713)
[  732.619044][T14178]  ? ___sys_sendmsg (net/socket.c:2767)
[  732.619046][T14178]  ? __sys_sendmsg (net/socket.c:2799)
[  732.619049][T14178]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  732.619053][T14178]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  732.619057][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619059][T14178]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.619062][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619064][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619066][T14178]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  732.619068][T14178]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  732.619071][T14178]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  732.619073][T14178]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  732.619076][T14178]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  732.619078][T14178]  ? nla_get_range_signed (lib/nlattr.c:270)
[  732.619083][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619085][T14178]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  732.619093][T14178]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  732.619096][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619099][T14178]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  732.619101][T14178]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.619104][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619106][T14178]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  732.619110][T14178]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  732.619112][T14178]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  732.619115][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619117][T14178]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  732.619121][T14178]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  732.619124][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619127][T14178]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.619129][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619131][T14178]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  732.619134][T14178]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  732.619137][T14178]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  732.619140][T14178]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  732.619143][T14178]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  732.619147][T14178]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  732.619150][T14178]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  732.619152][T14178]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  732.619155][T14178]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  732.619158][T14178]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  732.619163][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619165][T14178]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  732.619168][T14178]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  732.619172][T14178]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  732.619175][T14178]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  732.619179][T14178]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  732.619182][T14178]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  732.619185][T14178]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  732.619188][T14178]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.619191][T14178]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  732.619195][T14178]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  732.619199][T14178]  ____sys_sendmsg (net/socket.c:2713)
[  732.619202][T14178]  ? copy_msghdr_from_user (net/socket.c:2650)
[  732.619205][T14178]  ? sock_write_iter (net/socket.c:1269)
[  732.619207][T14178]  ? move_addr_to_kernel (net/socket.c:258)
[  732.619210][T14178]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  732.619214][T14178]  ___sys_sendmsg (net/socket.c:2767)
[  732.619218][T14178]  ? copy_msghdr_from_user (net/socket.c:2619)
[  732.619226][T14178]  __sys_sendmsg (net/socket.c:2799)
[  732.619230][T14178]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  732.619234][T14178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.619237][T14178]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  732.619240][T14178]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  732.619244][T14178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  732.619247][T14178] RIP: 0033:0x7f0080cba54e
[  732.619250][T14178] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  732.619253][T14178] RSP: 002b:00007ffdec295c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  732.619259][T14178] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0080cba54e
[  732.619261][T14178] RDX: 0000000000000000 RSI: 00007ffdec295d40 RDI: 0000000000000005
[  732.619263][T14178] RBP: 00007ffdec295ca0 R08: 0000000000000000 R09: 0000000000000000
[  732.619265][T14178] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912806
[  732.619267][T14178] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdec296400
| [  734.279131][T14228] softirqs last disabled at (0): 0x0
| [  734.279133][T14228] Preemption disabled at:
| [  734.279134][T14228] vprintk_emit (kernel/printk/printk.c:2471)
| [  734.279145][T14228] Tainted: [W]=WARN
[  734.279146][T14228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  734.279148][T14228] Call Trace:
[  734.279150][T14228]  <TASK>
[  734.279151][T14228]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  734.279157][T14228]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  734.279158][T14228]  __might_resched.cold (kernel/sched/core.c:9234)
[  734.279162][T14228]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  734.279164][T14228]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  734.279168][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279171][T14228]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  734.279173][T14228]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.279176][T14228]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.279182][T14228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  734.279184][T14228]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.279187][T14228]  put_chars (drivers/char/virtio_console.c:1176)
[  734.279189][T14228]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  734.279190][T14228]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  734.279193][T14228]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  734.279201][T14228]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  734.279203][T14228]  ? vsnprintf (lib/vsprintf.c:2900)
[  734.279206][T14228]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.279208][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279209][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279211][T14228]  console_emit_next_record (kernel/printk/printk.c:3183)
[  734.279214][T14228]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  734.279217][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279218][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279219][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279220][T14228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.279223][T14228]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  734.279225][T14228]  console_flush_one_record (kernel/printk/printk.c:3268)
[  734.279227][T14228]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  734.279230][T14228]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  734.279232][T14228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.279234][T14228]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  734.279236][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279237][T14228]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.279239][T14228]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  734.279240][T14228]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  734.279242][T14228]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  734.279244][T14228]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  734.279246][T14228]  vprintk_emit (kernel/printk/printk.c:2479)
[  734.279247][T14228]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  734.279249][T14228]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.279251][T14228]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  734.279254][T14228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.279255][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279257][T14228]  _printk (kernel/printk/printk.c:2504)
[  734.279260][T14228]  ? snapshot_read.cold (user.c:?)
[  734.279262][T14228]  ? br_multicast_flood (??:?)
[  734.279266][T14228]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  734.279269][T14228]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  734.279270][T14228]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  734.279272][T14228]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  734.279275][T14228]  br_init_port (net/bridge/br_stp_if.c:39)
[  734.279277][T14228]  new_nbp (net/bridge/br_if.c:449)
[  734.279280][T14228]  br_add_if (net/bridge/br_if.c:592)
[  734.279281][T14228]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  734.279286][T14228]  do_set_master (net/core/rtnetlink.c:3071)
[  734.279288][T14228]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  734.279290][T14228]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  734.279291][T14228]  ? __dev_get_by_name (net/core/dev.c:905)
[  734.279293][T14228]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  734.279297][T14228]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  734.279300][T14228]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  734.279302][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279303][T14228]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.279305][T14228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.279306][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279308][T14228]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  734.279311][T14228]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  734.279313][T14228]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  734.279315][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279316][T14228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.279318][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279319][T14228]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.279321][T14228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  734.279322][T14228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.279324][T14228]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  734.279325][T14228]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  734.279329][T14228]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  734.279333][T14228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.279334][T14228]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.279336][T14228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  734.279337][T14228]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  734.279341][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279342][T14228]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.279344][T14228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  734.279347][T14228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  734.279349][T14228]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  734.279351][T14228]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  734.279354][T14228]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  734.279357][T14228]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  734.279359][T14228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.279361][T14228]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  734.279364][T14228]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  734.279368][T14228]  ____sys_sendmsg (net/socket.c:2713)
[  734.279369][T14228]  ? copy_msghdr_from_user (net/socket.c:2650)
[  734.279371][T14228]  ? sock_write_iter (net/socket.c:1269)
[  734.279373][T14228]  ? move_addr_to_kernel (net/socket.c:258)
[  734.279375][T14228]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  734.279378][T14228]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.279380][T14228]  ___sys_sendmsg (net/socket.c:2767)
[  734.279382][T14228]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  734.279383][T14228]  ? copy_msghdr_from_user (net/socket.c:2619)
[  734.279385][T14228]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  734.279390][T14228]  __sys_sendmsg (net/socket.c:2799)
[  734.279392][T14228]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  734.279395][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279397][T14228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.279398][T14228]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  734.279401][T14228]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  734.279403][T14228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  734.279405][T14228] RIP: 0033:0x7f3da2eb554e
[  734.279407][T14228] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  734.279410][T14228] RSP: 002b:00007fffec72e230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  734.279413][T14228] RAX: ffffffffffffffda RBX: 00007fffec72e9f8 RCX: 00007f3da2eb554e
[  734.279415][T14228] RDX: 0000000000000000 RSI: 00007fffec72e2e0 RDI: 0000000000000005
[  734.279416][T14228] RBP: 00007fffec72e240 R08: 0000000000000000 R09: 0000000000000000
[  734.279417][T14228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912807
[  734.279418][T14228] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffec72e9b0
| [  740.621291][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  740.621294][   T71] Preemption disabled at:
| [  740.621295][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  740.621309][   T71] Tainted: [W]=WARN
[  740.621311][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  740.621313][   T71] Workqueue: netns cleanup_net
[  740.621320][   T71] Call Trace:
[  740.621322][   T71]  <TASK>
[  740.621324][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  740.621330][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  740.621333][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  740.621337][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  740.621340][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  740.621345][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.621348][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  740.621352][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  740.621355][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  740.621361][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  740.621364][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  740.621368][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  740.621370][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  740.621373][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  740.621377][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  740.621383][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  740.621385][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  740.621389][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  740.621391][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.621393][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.621396][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  740.621400][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  740.621403][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.621405][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.621407][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.621409][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  740.621412][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  740.621415][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  740.621419][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  740.621423][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  740.621425][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  740.621428][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  740.621431][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.621432][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  740.621435][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  740.621437][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  740.621440][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  740.621443][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  740.621445][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  740.621448][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  740.621450][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  740.621452][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  740.621456][   T71]  ? kthread (kernel/kthread.c:436)
[  740.621459][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  740.621463][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  740.621466][   T71]  _printk (kernel/printk/printk.c:2504)
[  740.621470][   T71]  ? snapshot_read.cold (user.c:?)
[  740.621474][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  740.621478][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  740.621482][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  740.621485][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  740.621488][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.621491][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  740.621493][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  740.621497][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  740.621499][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  740.621502][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  740.621505][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  740.621509][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  740.621514][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  740.621517][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  740.621520][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  740.621524][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  740.621527][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  740.621531][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  740.621534][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  740.621537][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  740.621540][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  740.621543][   T71]  process_one_work (kernel/workqueue.c:3387)
[  740.621547][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  740.621551][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  740.621555][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  740.621558][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  740.621561][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  740.621564][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  740.621567][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  740.621570][   T71]  kthread (kernel/kthread.c:436)
[  740.621572][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  740.621575][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  740.621578][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  740.621581][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  740.621584][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  740.621588][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  740.621591][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  741.701926][T14323] softirqs last disabled at (0): 0x0
| [  741.701929][T14323] Preemption disabled at:
| [  741.701937][T14323] vprintk_emit (kernel/printk/printk.c:2471)
| [  741.701951][T14323] Tainted: [W]=WARN
[  741.701952][T14323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  741.701955][T14323] Call Trace:
[  741.701958][T14323]  <TASK>
[  741.701960][T14323]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  741.701966][T14323]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  741.701969][T14323]  __might_resched.cold (kernel/sched/core.c:9234)
[  741.701974][T14323]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  741.701978][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.701982][T14323]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  741.701986][T14323]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  741.701990][T14323]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  741.701997][T14323]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  741.702000][T14323]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  741.702004][T14323]  put_chars (drivers/char/virtio_console.c:1176)
[  741.702007][T14323]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  741.702009][T14323]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  741.702013][T14323]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  741.702016][T14323]  ? pointer (lib/vsprintf.c:2577)
[  741.702021][T14323]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  741.702027][T14323]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  741.702030][T14323]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  741.702033][T14323]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.702037][T14323]  console_emit_next_record (kernel/printk/printk.c:3183)
[  741.702041][T14323]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  741.702045][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702047][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702049][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702051][T14323]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.702054][T14323]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  741.702057][T14323]  console_flush_one_record (kernel/printk/printk.c:3268)
[  741.702061][T14323]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  741.702065][T14323]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  741.702068][T14323]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.702071][T14323]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  741.702074][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702076][T14323]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  741.702078][T14323]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  741.702081][T14323]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  741.702084][T14323]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  741.702087][T14323]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  741.702090][T14323]  vprintk_emit (kernel/printk/printk.c:2479)
[  741.702092][T14323]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  741.702095][T14323]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  741.702098][T14323]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  741.702102][T14323]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  741.702106][T14323]  _printk (kernel/printk/printk.c:2504)
[  741.702110][T14323]  ? snapshot_read.cold (user.c:?)
[  741.702113][T14323]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  741.702117][T14323]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  741.702121][T14323]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  741.702124][T14323]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  741.702128][T14323]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  741.702132][T14323]  ? netdev_notice (net/core/dev.c:13194)
[  741.702135][T14323]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  741.702138][T14323]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  741.702141][T14323]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  741.702144][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702146][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702148][T14323]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  741.702151][T14323]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  741.702154][T14323]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  741.702156][T14323]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  741.702159][T14323]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  741.702162][T14323]  ? register_netdev (net/core/dev.c:11618)
[  741.702164][T14323]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  741.702168][T14323]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  741.702172][T14323]  ? __kernel_text_address (kernel/extable.c:79)
[  741.702175][T14323]  ? write_profile (profile.c:?)
[  741.702179][T14323]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  741.702185][T14323]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  741.702188][T14323]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  741.702191][T14323]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  741.702197][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702200][T14323]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  741.702205][T14323]  ? kasan_save_stack (mm/kasan/common.c:58)
[  741.702208][T14323]  ? kasan_save_stack (mm/kasan/common.c:57)
[  741.702210][T14323]  ? kasan_save_track (mm/kasan/common.c:78)
[  741.702212][T14323]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  741.702214][T14323]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  741.702217][T14323]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  741.702219][T14323]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  741.702221][T14323]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  741.702225][T14323]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  741.702227][T14323]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  741.702230][T14323]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  741.702233][T14323]  ? ____sys_sendmsg (net/socket.c:2713)
[  741.702236][T14323]  ? ___sys_sendmsg (net/socket.c:2767)
[  741.702238][T14323]  ? __sys_sendmsg (net/socket.c:2799)
[  741.702241][T14323]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  741.702244][T14323]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  741.702249][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702251][T14323]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.702254][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702256][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702258][T14323]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  741.702261][T14323]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  741.702263][T14323]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  741.702265][T14323]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  741.702268][T14323]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  741.702270][T14323]  ? nla_get_range_signed (lib/nlattr.c:270)
[  741.702275][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702277][T14323]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  741.702281][T14323]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  741.702284][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702287][T14323]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  741.702289][T14323]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.702292][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702294][T14323]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  741.702298][T14323]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  741.702300][T14323]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  741.702302][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702305][T14323]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  741.702309][T14323]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  741.702312][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702314][T14323]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.702317][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702319][T14323]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  741.702322][T14323]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  741.702325][T14323]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  741.702327][T14323]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  741.702330][T14323]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  741.702334][T14323]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  741.702337][T14323]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  741.702340][T14323]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  741.702342][T14323]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  741.702345][T14323]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  741.702350][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702352][T14323]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  741.702355][T14323]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  741.702359][T14323]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  741.702362][T14323]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  741.702366][T14323]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  741.702369][T14323]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  741.702372][T14323]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  741.702375][T14323]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  741.702377][T14323]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  741.702382][T14323]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  741.702385][T14323]  ____sys_sendmsg (net/socket.c:2713)
[  741.702388][T14323]  ? copy_msghdr_from_user (net/socket.c:2650)
[  741.702391][T14323]  ? sock_write_iter (net/socket.c:1269)
[  741.702393][T14323]  ? move_addr_to_kernel (net/socket.c:258)
[  741.702395][T14323]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  741.702400][T14323]  ___sys_sendmsg (net/socket.c:2767)
[  741.702403][T14323]  ? copy_msghdr_from_user (net/socket.c:2619)
[  741.702411][T14323]  __sys_sendmsg (net/socket.c:2799)
[  741.702415][T14323]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  741.702419][T14323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  741.702422][T14323]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  741.702425][T14323]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  741.702428][T14323]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  741.702430][T14323] RIP: 0033:0x7f42b445854e
[  741.702434][T14323] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  741.702437][T14323] RSP: 002b:00007fffa09f57d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  741.702441][T14323] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f42b445854e
[  741.702443][T14323] RDX: 0000000000000000 RSI: 00007fffa09f5880 RDI: 0000000000000005
[  741.702445][T14323] RBP: 00007fffa09f57e0 R08: 0000000000000000 R09: 0000000000000000
[  741.702447][T14323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91280f
[  741.702448][T14323] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa09f5f40
| [  743.428990][T14398] softirqs last disabled at (0): 0x0
| [  743.428992][T14398] Preemption disabled at:
| [  743.428993][T14398] vprintk_emit (kernel/printk/printk.c:2471)
| [  743.429003][T14398] Tainted: [W]=WARN
[  743.429004][T14398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  743.429006][T14398] Call Trace:
[  743.429008][T14398]  <TASK>
[  743.429010][T14398]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  743.429015][T14398]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  743.429017][T14398]  __might_resched.cold (kernel/sched/core.c:9234)
[  743.429020][T14398]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  743.429023][T14398]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  743.429026][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429029][T14398]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  743.429032][T14398]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  743.429035][T14398]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  743.429040][T14398]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  743.429042][T14398]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  743.429045][T14398]  put_chars (drivers/char/virtio_console.c:1176)
[  743.429047][T14398]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  743.429048][T14398]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  743.429051][T14398]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  743.429056][T14398]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  743.429058][T14398]  ? vsnprintf (lib/vsprintf.c:2900)
[  743.429062][T14398]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  743.429063][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429064][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429066][T14398]  console_emit_next_record (kernel/printk/printk.c:3183)
[  743.429069][T14398]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  743.429071][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429072][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429074][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429075][T14398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.429077][T14398]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  743.429079][T14398]  console_flush_one_record (kernel/printk/printk.c:3268)
[  743.429082][T14398]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  743.429085][T14398]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  743.429086][T14398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.429088][T14398]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  743.429090][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429091][T14398]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  743.429093][T14398]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  743.429094][T14398]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  743.429096][T14398]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  743.429098][T14398]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  743.429099][T14398]  vprintk_emit (kernel/printk/printk.c:2479)
[  743.429101][T14398]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  743.429102][T14398]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  743.429104][T14398]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  743.429107][T14398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.429109][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429110][T14398]  _printk (kernel/printk/printk.c:2504)
[  743.429113][T14398]  ? snapshot_read.cold (user.c:?)
[  743.429115][T14398]  ? br_multicast_flood (??:?)
[  743.429119][T14398]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  743.429122][T14398]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  743.429123][T14398]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  743.429125][T14398]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  743.429128][T14398]  br_init_port (net/bridge/br_stp_if.c:39)
[  743.429129][T14398]  new_nbp (net/bridge/br_if.c:449)
[  743.429132][T14398]  br_add_if (net/bridge/br_if.c:592)
[  743.429134][T14398]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  743.429138][T14398]  do_set_master (net/core/rtnetlink.c:3071)
[  743.429140][T14398]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  743.429141][T14398]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  743.429143][T14398]  ? __dev_get_by_name (net/core/dev.c:905)
[  743.429145][T14398]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  743.429149][T14398]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  743.429151][T14398]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  743.429153][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429155][T14398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  743.429156][T14398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.429158][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429159][T14398]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  743.429162][T14398]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  743.429164][T14398]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  743.429167][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429168][T14398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.429169][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429171][T14398]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  743.429172][T14398]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  743.429174][T14398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  743.429175][T14398]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  743.429177][T14398]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  743.429181][T14398]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  743.429184][T14398]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  743.429185][T14398]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  743.429187][T14398]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  743.429189][T14398]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  743.429192][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429193][T14398]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  743.429198][T14398]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  743.429200][T14398]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  743.429202][T14398]  ? next_uptodate_folio (mm/filemap.c:3747)
[  743.429205][T14398]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  743.429208][T14398]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  743.429210][T14398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.429212][T14398]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  743.429215][T14398]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  743.429218][T14398]  ____sys_sendmsg (net/socket.c:2713)
[  743.429220][T14398]  ? copy_msghdr_from_user (net/socket.c:2650)
[  743.429222][T14398]  ? sock_write_iter (net/socket.c:1269)
[  743.429224][T14398]  ? move_addr_to_kernel (net/socket.c:258)
[  743.429226][T14398]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  743.429229][T14398]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.429231][T14398]  ___sys_sendmsg (net/socket.c:2767)
[  743.429233][T14398]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  743.429234][T14398]  ? copy_msghdr_from_user (net/socket.c:2619)
[  743.429236][T14398]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  743.429241][T14398]  __sys_sendmsg (net/socket.c:2799)
[  743.429243][T14398]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  743.429246][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429247][T14398]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.429249][T14398]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  743.429251][T14398]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  743.429253][T14398]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  743.429256][T14398] RIP: 0033:0x7f757c9f454e
[  743.429258][T14398] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  743.429260][T14398] RSP: 002b:00007ffd65dd03d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  743.429264][T14398] RAX: ffffffffffffffda RBX: 00007ffd65dd0b98 RCX: 00007f757c9f454e
[  743.429265][T14398] RDX: 0000000000000000 RSI: 00007ffd65dd0480 RDI: 0000000000000005
[  743.429266][T14398] RBP: 00007ffd65dd03e0 R08: 0000000000000000 R09: 0000000000000000
[  743.429268][T14398] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912810
[  743.429269][T14398] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd65dd0b50
| [  744.539159][T14437] softirqs last disabled at (0): 0x0
| [  744.539161][T14437] Preemption disabled at:
| [  744.539163][T14437] vprintk_emit (kernel/printk/printk.c:2471)
| [  744.539177][T14437] Tainted: [W]=WARN
[  744.539178][T14437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  744.539181][T14437] Call Trace:
[  744.539183][T14437]  <TASK>
[  744.539185][T14437]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  744.539193][T14437]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  744.539199][T14437]  __might_resched.cold (kernel/sched/core.c:9234)
[  744.539204][T14437]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  744.539209][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539213][T14437]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  744.539217][T14437]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.539221][T14437]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  744.539228][T14437]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  744.539231][T14437]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  744.539235][T14437]  put_chars (drivers/char/virtio_console.c:1176)
[  744.539238][T14437]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  744.539240][T14437]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  744.539244][T14437]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  744.539247][T14437]  ? pointer (lib/vsprintf.c:2577)
[  744.539252][T14437]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  744.539259][T14437]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  744.539262][T14437]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.539265][T14437]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.539269][T14437]  console_emit_next_record (kernel/printk/printk.c:3183)
[  744.539273][T14437]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  744.539277][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539279][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539281][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539284][T14437]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.539287][T14437]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  744.539290][T14437]  console_flush_one_record (kernel/printk/printk.c:3268)
[  744.539294][T14437]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  744.539299][T14437]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  744.539302][T14437]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.539305][T14437]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  744.539308][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539310][T14437]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  744.539313][T14437]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  744.539315][T14437]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  744.539318][T14437]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  744.539321][T14437]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  744.539324][T14437]  vprintk_emit (kernel/printk/printk.c:2479)
[  744.539327][T14437]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  744.539330][T14437]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  744.539333][T14437]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  744.539338][T14437]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  744.539342][T14437]  _printk (kernel/printk/printk.c:2504)
[  744.539346][T14437]  ? snapshot_read.cold (user.c:?)
[  744.539349][T14437]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  744.539353][T14437]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  744.539357][T14437]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  744.539360][T14437]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  744.539364][T14437]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  744.539368][T14437]  ? netdev_notice (net/core/dev.c:13194)
[  744.539372][T14437]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  744.539375][T14437]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  744.539378][T14437]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  744.539381][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539383][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539386][T14437]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  744.539388][T14437]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  744.539391][T14437]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  744.539394][T14437]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  744.539396][T14437]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  744.539400][T14437]  ? register_netdev (net/core/dev.c:11618)
[  744.539402][T14437]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  744.539405][T14437]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  744.539409][T14437]  ? __kernel_text_address (kernel/extable.c:79)
[  744.539413][T14437]  ? write_profile (profile.c:?)
[  744.539417][T14437]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  744.539422][T14437]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  744.539425][T14437]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  744.539428][T14437]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  744.539430][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539432][T14437]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  744.539437][T14437]  ? kasan_save_stack (mm/kasan/common.c:58)
[  744.539440][T14437]  ? kasan_save_stack (mm/kasan/common.c:57)
[  744.539442][T14437]  ? kasan_save_track (mm/kasan/common.c:78)
[  744.539445][T14437]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  744.539447][T14437]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  744.539449][T14437]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  744.539451][T14437]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  744.539453][T14437]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  744.539457][T14437]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  744.539460][T14437]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  744.539463][T14437]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  744.539466][T14437]  ? ____sys_sendmsg (net/socket.c:2713)
[  744.539469][T14437]  ? ___sys_sendmsg (net/socket.c:2767)
[  744.539471][T14437]  ? __sys_sendmsg (net/socket.c:2799)
[  744.539474][T14437]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  744.539477][T14437]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  744.539482][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539484][T14437]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.539486][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539488][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539491][T14437]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  744.539494][T14437]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  744.539496][T14437]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  744.539498][T14437]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  744.539501][T14437]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  744.539503][T14437]  ? nla_get_range_signed (lib/nlattr.c:270)
[  744.539508][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539511][T14437]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  744.539514][T14437]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  744.539518][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539520][T14437]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  744.539523][T14437]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.539525][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539528][T14437]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  744.539531][T14437]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  744.539534][T14437]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  744.539536][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539539][T14437]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  744.539543][T14437]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  744.539547][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539549][T14437]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.539552][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539554][T14437]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  744.539557][T14437]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  744.539560][T14437]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  744.539563][T14437]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  744.539566][T14437]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  744.539570][T14437]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  744.539573][T14437]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  744.539576][T14437]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  744.539578][T14437]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  744.539581][T14437]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  744.539586][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539588][T14437]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  744.539592][T14437]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  744.539596][T14437]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  744.539599][T14437]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  744.539603][T14437]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  744.539606][T14437]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  744.539609][T14437]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  744.539612][T14437]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  744.539615][T14437]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  744.539620][T14437]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  744.539623][T14437]  ____sys_sendmsg (net/socket.c:2713)
[  744.539626][T14437]  ? copy_msghdr_from_user (net/socket.c:2650)
[  744.539629][T14437]  ? sock_write_iter (net/socket.c:1269)
[  744.539631][T14437]  ? move_addr_to_kernel (net/socket.c:258)
[  744.539634][T14437]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  744.539639][T14437]  ___sys_sendmsg (net/socket.c:2767)
[  744.539642][T14437]  ? copy_msghdr_from_user (net/socket.c:2619)
[  744.539651][T14437]  __sys_sendmsg (net/socket.c:2799)
[  744.539654][T14437]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  744.539659][T14437]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  744.539661][T14437]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  744.539664][T14437]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  744.539668][T14437]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  744.539670][T14437] RIP: 0033:0x7f04800e054e
[  744.539674][T14437] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  744.539677][T14437] RSP: 002b:00007ffd5821ea20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  744.539681][T14437] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f04800e054e
[  744.539684][T14437] RDX: 0000000000000000 RSI: 00007ffd5821ead0 RDI: 0000000000000005
[  744.539686][T14437] RBP: 00007ffd5821ea30 R08: 0000000000000000 R09: 0000000000000000
[  744.539687][T14437] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912811
[  744.539689][T14437] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5821f190
| [  746.398644][T14494] softirqs last disabled at (0): 0x0
| [  746.398646][T14494] Preemption disabled at:
| [  746.398647][T14494] vprintk_emit (kernel/printk/printk.c:2471)
| [  746.398658][T14494] Tainted: [W]=WARN
[  746.398659][T14494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  746.398661][T14494] Call Trace:
[  746.398662][T14494]  <TASK>
[  746.398664][T14494]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  746.398670][T14494]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  746.398671][T14494]  __might_resched.cold (kernel/sched/core.c:9234)
[  746.398675][T14494]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  746.398677][T14494]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  746.398680][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398683][T14494]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  746.398686][T14494]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  746.398690][T14494]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  746.398695][T14494]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  746.398697][T14494]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  746.398699][T14494]  put_chars (drivers/char/virtio_console.c:1176)
[  746.398701][T14494]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  746.398703][T14494]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  746.398706][T14494]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  746.398711][T14494]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  746.398712][T14494]  ? vsnprintf (lib/vsprintf.c:2900)
[  746.398716][T14494]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  746.398717][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398719][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398721][T14494]  console_emit_next_record (kernel/printk/printk.c:3183)
[  746.398724][T14494]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  746.398726][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398727][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398728][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398729][T14494]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.398732][T14494]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  746.398734][T14494]  console_flush_one_record (kernel/printk/printk.c:3268)
[  746.398736][T14494]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  746.398739][T14494]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  746.398741][T14494]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.398743][T14494]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  746.398745][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398746][T14494]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  746.398748][T14494]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  746.398749][T14494]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  746.398751][T14494]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  746.398753][T14494]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  746.398754][T14494]  vprintk_emit (kernel/printk/printk.c:2479)
[  746.398756][T14494]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  746.398757][T14494]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  746.398759][T14494]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  746.398762][T14494]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.398764][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398765][T14494]  _printk (kernel/printk/printk.c:2504)
[  746.398769][T14494]  ? snapshot_read.cold (user.c:?)
[  746.398771][T14494]  ? br_multicast_flood (??:?)
[  746.398775][T14494]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  746.398777][T14494]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  746.398778][T14494]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  746.398780][T14494]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  746.398783][T14494]  br_init_port (net/bridge/br_stp_if.c:39)
[  746.398786][T14494]  new_nbp (net/bridge/br_if.c:449)
[  746.398788][T14494]  br_add_if (net/bridge/br_if.c:592)
[  746.398790][T14494]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  746.398794][T14494]  do_set_master (net/core/rtnetlink.c:3071)
[  746.398796][T14494]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  746.398798][T14494]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  746.398800][T14494]  ? __dev_get_by_name (net/core/dev.c:905)
[  746.398801][T14494]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  746.398806][T14494]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  746.398808][T14494]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  746.398811][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398812][T14494]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  746.398813][T14494]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.398815][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398816][T14494]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  746.398819][T14494]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  746.398821][T14494]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  746.398823][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398825][T14494]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.398826][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398828][T14494]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  746.398829][T14494]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  746.398831][T14494]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  746.398832][T14494]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  746.398834][T14494]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  746.398838][T14494]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  746.398841][T14494]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  746.398842][T14494]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  746.398844][T14494]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  746.398846][T14494]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  746.398849][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398850][T14494]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  746.398852][T14494]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  746.398855][T14494]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  746.398857][T14494]  ? next_uptodate_folio (mm/filemap.c:3747)
[  746.398860][T14494]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  746.398863][T14494]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  746.398865][T14494]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.398866][T14494]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  746.398870][T14494]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  746.398873][T14494]  ____sys_sendmsg (net/socket.c:2713)
[  746.398875][T14494]  ? copy_msghdr_from_user (net/socket.c:2650)
[  746.398877][T14494]  ? sock_write_iter (net/socket.c:1269)
[  746.398878][T14494]  ? move_addr_to_kernel (net/socket.c:258)
[  746.398881][T14494]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  746.398883][T14494]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  746.398885][T14494]  ___sys_sendmsg (net/socket.c:2767)
[  746.398887][T14494]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  746.398889][T14494]  ? copy_msghdr_from_user (net/socket.c:2619)
[  746.398891][T14494]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  746.398896][T14494]  __sys_sendmsg (net/socket.c:2799)
[  746.398898][T14494]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  746.398900][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398902][T14494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  746.398903][T14494]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  746.398906][T14494]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  746.398908][T14494]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  746.398910][T14494] RIP: 0033:0x7fbd6379a54e
[  746.398913][T14494] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  746.398915][T14494] RSP: 002b:00007ffedf637270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  746.398918][T14494] RAX: ffffffffffffffda RBX: 00007ffedf637a38 RCX: 00007fbd6379a54e
[  746.398920][T14494] RDX: 0000000000000000 RSI: 00007ffedf637320 RDI: 0000000000000005
[  746.398921][T14494] RBP: 00007ffedf637280 R08: 0000000000000000 R09: 0000000000000000
[  746.398922][T14494] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912813
[  746.398923][T14494] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedf6379f0
| [  752.787006][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  752.787018][   T71] Preemption disabled at:
| [  752.787019][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  752.787031][   T71] Tainted: [W]=WARN
[  752.787032][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  752.787034][   T71] Workqueue: netns cleanup_net
[  752.787040][   T71] Call Trace:
[  752.787042][   T71]  <TASK>
[  752.787044][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  752.787050][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  752.787051][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  752.787054][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  752.787057][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  752.787060][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  752.787063][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  752.787066][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  752.787069][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  752.787073][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  752.787075][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  752.787078][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  752.787080][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  752.787082][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  752.787084][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  752.787089][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  752.787091][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  752.787094][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  752.787095][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  752.787096][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  752.787098][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  752.787101][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  752.787103][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  752.787104][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  752.787105][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  752.787106][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  752.787109][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  752.787111][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  752.787113][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  752.787116][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  752.787118][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  752.787120][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  752.787122][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  752.787123][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  752.787124][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  752.787126][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  752.787128][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  752.787130][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  752.787131][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  752.787133][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  752.787134][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  752.787136][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  752.787139][   T71]  ? kthread (kernel/kthread.c:436)
[  752.787141][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  752.787144][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  752.787147][   T71]  _printk (kernel/printk/printk.c:2504)
[  752.787150][   T71]  ? snapshot_read.cold (user.c:?)
[  752.787153][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  752.787156][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  752.787158][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  752.787160][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  752.787163][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  752.787164][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  752.787165][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  752.787168][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  752.787170][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  752.787171][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  752.787174][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  752.787176][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  752.787180][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  752.787183][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  752.787185][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  752.787188][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  752.787190][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  752.787198][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  752.787200][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  752.787203][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  752.787205][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  752.787207][   T71]  process_one_work (kernel/workqueue.c:3387)
[  752.787210][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  752.787213][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  752.787216][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  752.787219][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  752.787221][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  752.787223][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  752.787225][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  752.787227][   T71]  kthread (kernel/kthread.c:436)
[  752.787229][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  752.787231][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  752.787233][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  752.787235][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  752.787237][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  752.787240][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  752.787242][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  754.541633][T14632] softirqs last disabled at (0): 0x0
| [  754.541635][T14632] Preemption disabled at:
| [  754.541637][T14632] vprintk_emit (kernel/printk/printk.c:2471)
| [  754.541649][T14632] Tainted: [W]=WARN
[  754.541650][T14632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  754.541652][T14632] Call Trace:
[  754.541654][T14632]  <TASK>
[  754.541656][T14632]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  754.541662][T14632]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  754.541664][T14632]  __might_resched.cold (kernel/sched/core.c:9234)
[  754.541667][T14632]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  754.541670][T14632]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  754.541673][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541676][T14632]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  754.541679][T14632]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.541682][T14632]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  754.541690][T14632]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  754.541693][T14632]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  754.541697][T14632]  put_chars (drivers/char/virtio_console.c:1176)
[  754.541699][T14632]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  754.541700][T14632]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  754.541704][T14632]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  754.541708][T14632]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  754.541710][T14632]  ? vsnprintf (lib/vsprintf.c:2900)
[  754.541714][T14632]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.541716][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541717][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541719][T14632]  console_emit_next_record (kernel/printk/printk.c:3183)
[  754.541722][T14632]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  754.541724][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541725][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541726][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541728][T14632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.541730][T14632]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  754.541732][T14632]  console_flush_one_record (kernel/printk/printk.c:3268)
[  754.541734][T14632]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  754.541739][T14632]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  754.541743][T14632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.541745][T14632]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  754.541747][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541748][T14632]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  754.541750][T14632]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  754.541751][T14632]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  754.541753][T14632]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  754.541755][T14632]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  754.541757][T14632]  vprintk_emit (kernel/printk/printk.c:2479)
[  754.541759][T14632]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  754.541760][T14632]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.541762][T14632]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  754.541765][T14632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.541766][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541768][T14632]  _printk (kernel/printk/printk.c:2504)
[  754.541771][T14632]  ? snapshot_read.cold (user.c:?)
[  754.541774][T14632]  ? br_multicast_flood (??:?)
[  754.541777][T14632]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  754.541780][T14632]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  754.541782][T14632]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  754.541784][T14632]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  754.541788][T14632]  br_init_port (net/bridge/br_stp_if.c:39)
[  754.541792][T14632]  new_nbp (net/bridge/br_if.c:449)
[  754.541795][T14632]  br_add_if (net/bridge/br_if.c:592)
[  754.541796][T14632]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  754.541801][T14632]  do_set_master (net/core/rtnetlink.c:3071)
[  754.541803][T14632]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  754.541805][T14632]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  754.541807][T14632]  ? __dev_get_by_name (net/core/dev.c:905)
[  754.541809][T14632]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  754.541813][T14632]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  754.541816][T14632]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  754.541818][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541819][T14632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  754.541821][T14632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.541822][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541824][T14632]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  754.541827][T14632]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  754.541829][T14632]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  754.541831][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541832][T14632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.541834][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541835][T14632]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  754.541838][T14632]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  754.541841][T14632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  754.541843][T14632]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  754.541845][T14632]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  754.541850][T14632]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  754.541853][T14632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  754.541854][T14632]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  754.541856][T14632]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  754.541858][T14632]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  754.541861][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541862][T14632]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  754.541864][T14632]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  754.541867][T14632]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  754.541869][T14632]  ? next_uptodate_folio (mm/filemap.c:3747)
[  754.541872][T14632]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  754.541875][T14632]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  754.541877][T14632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.541878][T14632]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  754.541882][T14632]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  754.541885][T14632]  ____sys_sendmsg (net/socket.c:2713)
[  754.541887][T14632]  ? copy_msghdr_from_user (net/socket.c:2650)
[  754.541889][T14632]  ? sock_write_iter (net/socket.c:1269)
[  754.541891][T14632]  ? move_addr_to_kernel (net/socket.c:258)
[  754.541893][T14632]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  754.541896][T14632]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.541900][T14632]  ___sys_sendmsg (net/socket.c:2767)
[  754.541902][T14632]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  754.541904][T14632]  ? copy_msghdr_from_user (net/socket.c:2619)
[  754.541906][T14632]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  754.541911][T14632]  __sys_sendmsg (net/socket.c:2799)
[  754.541913][T14632]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  754.541916][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541918][T14632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.541919][T14632]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  754.541922][T14632]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  754.541924][T14632]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  754.541927][T14632] RIP: 0033:0x7f8560ddd54e
[  754.541929][T14632] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  754.541931][T14632] RSP: 002b:00007ffeabd93340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  754.541935][T14632] RAX: ffffffffffffffda RBX: 00007ffeabd93b08 RCX: 00007f8560ddd54e
[  754.541937][T14632] RDX: 0000000000000000 RSI: 00007ffeabd933f0 RDI: 0000000000000005
[  754.541938][T14632] RBP: 00007ffeabd93350 R08: 0000000000000000 R09: 0000000000000000
[  754.541939][T14632] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91281b
[  754.541940][T14632] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeabd93ac0
| [  755.556674][T14662] softirqs last disabled at (0): 0x0
| [  755.556677][T14662] Preemption disabled at:
| [  755.556678][T14662] vprintk_emit (kernel/printk/printk.c:2471)
| [  755.556691][T14662] Tainted: [W]=WARN
[  755.556693][T14662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  755.556696][T14662] Call Trace:
[  755.556698][T14662]  <TASK>
[  755.556700][T14662]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  755.556707][T14662]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  755.556710][T14662]  __might_resched.cold (kernel/sched/core.c:9234)
[  755.556715][T14662]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  755.556718][T14662]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  755.556723][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556727][T14662]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  755.556731][T14662]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  755.556735][T14662]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  755.556741][T14662]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  755.556744][T14662]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  755.556748][T14662]  put_chars (drivers/char/virtio_console.c:1176)
[  755.556751][T14662]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  755.556755][T14662]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  755.556760][T14662]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  755.556767][T14662]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  755.556770][T14662]  ? vsnprintf (lib/vsprintf.c:2900)
[  755.556774][T14662]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  755.556777][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556779][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556782][T14662]  console_emit_next_record (kernel/printk/printk.c:3183)
[  755.556787][T14662]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  755.556790][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556792][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556794][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556796][T14662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.556800][T14662]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  755.556803][T14662]  console_flush_one_record (kernel/printk/printk.c:3268)
[  755.556807][T14662]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  755.556812][T14662]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  755.556815][T14662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.556819][T14662]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  755.556821][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556823][T14662]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  755.556826][T14662]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  755.556829][T14662]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  755.556831][T14662]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  755.556834][T14662]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  755.556837][T14662]  vprintk_emit (kernel/printk/printk.c:2479)
[  755.556840][T14662]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  755.556842][T14662]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  755.556845][T14662]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  755.556850][T14662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.556852][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556855][T14662]  _printk (kernel/printk/printk.c:2504)
[  755.556859][T14662]  ? snapshot_read.cold (user.c:?)
[  755.556862][T14662]  ? br_multicast_flood (??:?)
[  755.556867][T14662]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  755.556871][T14662]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  755.556873][T14662]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  755.556877][T14662]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  755.556881][T14662]  br_init_port (net/bridge/br_stp_if.c:39)
[  755.556884][T14662]  new_nbp (net/bridge/br_if.c:449)
[  755.556888][T14662]  br_add_if (net/bridge/br_if.c:592)
[  755.556891][T14662]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  755.556897][T14662]  do_set_master (net/core/rtnetlink.c:3071)
[  755.556900][T14662]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  755.556904][T14662]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  755.556906][T14662]  ? __dev_get_by_name (net/core/dev.c:905)
[  755.556909][T14662]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  755.556916][T14662]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  755.556921][T14662]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  755.556925][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556928][T14662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  755.556930][T14662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.556932][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556935][T14662]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  755.556939][T14662]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  755.556942][T14662]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  755.556945][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556948][T14662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.556950][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556953][T14662]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  755.556955][T14662]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  755.556958][T14662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  755.556961][T14662]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  755.556964][T14662]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  755.556969][T14662]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  755.556974][T14662]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  755.556976][T14662]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  755.556979][T14662]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  755.556982][T14662]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  755.556986][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.556989][T14662]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  755.556992][T14662]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  755.556996][T14662]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  755.556999][T14662]  ? next_uptodate_folio (mm/filemap.c:3747)
[  755.557004][T14662]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  755.557008][T14662]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  755.557011][T14662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.557014][T14662]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  755.557019][T14662]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  755.557023][T14662]  ____sys_sendmsg (net/socket.c:2713)
[  755.557033][T14662]  ? copy_msghdr_from_user (net/socket.c:2650)
[  755.557036][T14662]  ? sock_write_iter (net/socket.c:1269)
[  755.557038][T14662]  ? move_addr_to_kernel (net/socket.c:258)
[  755.557042][T14662]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  755.557045][T14662]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  755.557049][T14662]  ___sys_sendmsg (net/socket.c:2767)
[  755.557052][T14662]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  755.557055][T14662]  ? copy_msghdr_from_user (net/socket.c:2619)
[  755.557057][T14662]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  755.557066][T14662]  __sys_sendmsg (net/socket.c:2799)
[  755.557069][T14662]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  755.557074][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.557076][T14662]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  755.557079][T14662]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  755.557082][T14662]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  755.557085][T14662]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  755.557089][T14662] RIP: 0033:0x7fbed634a54e
[  755.557092][T14662] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  755.557095][T14662] RSP: 002b:00007ffff5fb0390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  755.557101][T14662] RAX: ffffffffffffffda RBX: 00007ffff5fb0b58 RCX: 00007fbed634a54e
[  755.557103][T14662] RDX: 0000000000000000 RSI: 00007ffff5fb0440 RDI: 0000000000000005
[  755.557105][T14662] RBP: 00007ffff5fb03a0 R08: 0000000000000000 R09: 0000000000000000
[  755.557107][T14662] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91281c
[  755.557108][T14662] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff5fb0b10
| [  756.788269][T14702] softirqs last disabled at (0): 0x0
| [  756.788271][T14702] Preemption disabled at:
| [  756.788272][T14702] vprintk_emit (kernel/printk/printk.c:2471)
| [  756.788283][T14702] Tainted: [W]=WARN
[  756.788284][T14702] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  756.788286][T14702] Call Trace:
[  756.788288][T14702]  <TASK>
[  756.788289][T14702]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  756.788295][T14702]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  756.788297][T14702]  __might_resched.cold (kernel/sched/core.c:9234)
[  756.788301][T14702]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  756.788305][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788308][T14702]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  756.788311][T14702]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.788315][T14702]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  756.788320][T14702]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  756.788322][T14702]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  756.788325][T14702]  put_chars (drivers/char/virtio_console.c:1176)
[  756.788327][T14702]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  756.788329][T14702]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  756.788331][T14702]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  756.788333][T14702]  ? pointer (lib/vsprintf.c:2577)
[  756.788337][T14702]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  756.788342][T14702]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  756.788344][T14702]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.788346][T14702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.788349][T14702]  console_emit_next_record (kernel/printk/printk.c:3183)
[  756.788352][T14702]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  756.788354][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788355][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788356][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788358][T14702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.788360][T14702]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  756.788362][T14702]  console_flush_one_record (kernel/printk/printk.c:3268)
[  756.788364][T14702]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  756.788367][T14702]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  756.788369][T14702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.788371][T14702]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  756.788373][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788374][T14702]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.788376][T14702]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  756.788377][T14702]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  756.788379][T14702]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  756.788381][T14702]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  756.788383][T14702]  vprintk_emit (kernel/printk/printk.c:2479)
[  756.788385][T14702]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  756.788386][T14702]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  756.788389][T14702]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  756.788392][T14702]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  756.788394][T14702]  _printk (kernel/printk/printk.c:2504)
[  756.788398][T14702]  ? snapshot_read.cold (user.c:?)
[  756.788400][T14702]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  756.788402][T14702]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  756.788406][T14702]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  756.788408][T14702]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  756.788411][T14702]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  756.788414][T14702]  ? netdev_notice (net/core/dev.c:13194)
[  756.788416][T14702]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  756.788418][T14702]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  756.788421][T14702]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.788423][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788424][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788426][T14702]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  756.788427][T14702]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  756.788429][T14702]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  756.788431][T14702]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  756.788432][T14702]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  756.788434][T14702]  ? register_netdev (net/core/dev.c:11618)
[  756.788436][T14702]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.788438][T14702]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  756.788441][T14702]  ? __kernel_text_address (kernel/extable.c:79)
[  756.788444][T14702]  ? write_profile (profile.c:?)
[  756.788447][T14702]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  756.788451][T14702]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  756.788453][T14702]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  756.788455][T14702]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  756.788456][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788457][T14702]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  756.788461][T14702]  ? kasan_save_stack (mm/kasan/common.c:58)
[  756.788463][T14702]  ? kasan_save_stack (mm/kasan/common.c:57)
[  756.788464][T14702]  ? kasan_save_track (mm/kasan/common.c:78)
[  756.788465][T14702]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  756.788466][T14702]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  756.788468][T14702]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  756.788469][T14702]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  756.788471][T14702]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  756.788474][T14702]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  756.788475][T14702]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  756.788477][T14702]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  756.788480][T14702]  ? ____sys_sendmsg (net/socket.c:2713)
[  756.788481][T14702]  ? ___sys_sendmsg (net/socket.c:2767)
[  756.788483][T14702]  ? __sys_sendmsg (net/socket.c:2799)
[  756.788485][T14702]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  756.788487][T14702]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  756.788490][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788491][T14702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.788493][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788494][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788495][T14702]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  756.788497][T14702]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  756.788498][T14702]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  756.788499][T14702]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  756.788501][T14702]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  756.788502][T14702]  ? nla_get_range_signed (lib/nlattr.c:270)
[  756.788505][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788507][T14702]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  756.788509][T14702]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  756.788511][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788512][T14702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  756.788513][T14702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.788515][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788517][T14702]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  756.788519][T14702]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  756.788521][T14702]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  756.788522][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788524][T14702]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  756.788527][T14702]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  756.788529][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788530][T14702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.788532][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788533][T14702]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  756.788535][T14702]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  756.788537][T14702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  756.788538][T14702]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  756.788540][T14702]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  756.788543][T14702]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  756.788545][T14702]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  756.788546][T14702]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.788548][T14702]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  756.788550][T14702]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  756.788553][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788554][T14702]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.788556][T14702]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  756.788559][T14702]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  756.788561][T14702]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  756.788563][T14702]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  756.788565][T14702]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  756.788567][T14702]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  756.788569][T14702]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.788571][T14702]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  756.788574][T14702]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  756.788576][T14702]  ____sys_sendmsg (net/socket.c:2713)
[  756.788578][T14702]  ? copy_msghdr_from_user (net/socket.c:2650)
[  756.788580][T14702]  ? sock_write_iter (net/socket.c:1269)
[  756.788581][T14702]  ? move_addr_to_kernel (net/socket.c:258)
[  756.788583][T14702]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  756.788586][T14702]  ___sys_sendmsg (net/socket.c:2767)
[  756.788588][T14702]  ? copy_msghdr_from_user (net/socket.c:2619)
[  756.788594][T14702]  __sys_sendmsg (net/socket.c:2799)
[  756.788596][T14702]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  756.788599][T14702]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.788601][T14702]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  756.788603][T14702]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  756.788605][T14702]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  756.788607][T14702] RIP: 0033:0x7f6890dba54e
[  756.788609][T14702] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  756.788611][T14702] RSP: 002b:00007ffd2f5184e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  756.788615][T14702] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6890dba54e
[  756.788617][T14702] RDX: 0000000000000000 RSI: 00007ffd2f518590 RDI: 0000000000000005
[  756.788618][T14702] RBP: 00007ffd2f5184f0 R08: 0000000000000000 R09: 0000000000000000
[  756.788618][T14702] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91281e
[  756.788619][T14702] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2f518c50
| [  758.452458][T14752] softirqs last disabled at (0): 0x0
| [  758.452461][T14752] Preemption disabled at:
| [  758.452462][T14752] vprintk_emit (kernel/printk/printk.c:2471)
| [  758.452476][T14752] Tainted: [W]=WARN
[  758.452478][T14752] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  758.452480][T14752] Call Trace:
[  758.452483][T14752]  <TASK>
[  758.452485][T14752]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  758.452492][T14752]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  758.452494][T14752]  __might_resched.cold (kernel/sched/core.c:9234)
[  758.452499][T14752]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  758.452503][T14752]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  758.452507][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452512][T14752]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  758.452516][T14752]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  758.452520][T14752]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  758.452527][T14752]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  758.452530][T14752]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  758.452534][T14752]  put_chars (drivers/char/virtio_console.c:1176)
[  758.452538][T14752]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  758.452541][T14752]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  758.452546][T14752]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  758.452553][T14752]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  758.452556][T14752]  ? vsnprintf (lib/vsprintf.c:2900)
[  758.452560][T14752]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  758.452563][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452566][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452569][T14752]  console_emit_next_record (kernel/printk/printk.c:3183)
[  758.452574][T14752]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  758.452577][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452579][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452581][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452584][T14752]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.452588][T14752]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  758.452591][T14752]  console_flush_one_record (kernel/printk/printk.c:3268)
[  758.452595][T14752]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  758.452601][T14752]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  758.452604][T14752]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.452606][T14752]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  758.452610][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452612][T14752]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  758.452614][T14752]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  758.452618][T14752]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  758.452621][T14752]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  758.452624][T14752]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  758.452627][T14752]  vprintk_emit (kernel/printk/printk.c:2479)
[  758.452631][T14752]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  758.452633][T14752]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  758.452636][T14752]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  758.452641][T14752]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.452643][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452647][T14752]  _printk (kernel/printk/printk.c:2504)
[  758.452651][T14752]  ? snapshot_read.cold (user.c:?)
[  758.452656][T14752]  ? br_multicast_flood (??:?)
[  758.452660][T14752]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  758.452664][T14752]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  758.452667][T14752]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  758.452670][T14752]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  758.452675][T14752]  br_init_port (net/bridge/br_stp_if.c:39)
[  758.452678][T14752]  new_nbp (net/bridge/br_if.c:449)
[  758.452682][T14752]  br_add_if (net/bridge/br_if.c:592)
[  758.452685][T14752]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  758.452691][T14752]  do_set_master (net/core/rtnetlink.c:3071)
[  758.452695][T14752]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  758.452698][T14752]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  758.452701][T14752]  ? __dev_get_by_name (net/core/dev.c:905)
[  758.452704][T14752]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  758.452710][T14752]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  758.452715][T14752]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  758.452719][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452721][T14752]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  758.452724][T14752]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.452726][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452729][T14752]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  758.452733][T14752]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  758.452736][T14752]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  758.452739][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452742][T14752]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.452744][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452747][T14752]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  758.452749][T14752]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  758.452753][T14752]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  758.452755][T14752]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  758.452758][T14752]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  758.452764][T14752]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  758.452768][T14752]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  758.452770][T14752]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  758.452773][T14752]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  758.452775][T14752]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  758.452780][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452783][T14752]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  758.452787][T14752]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  758.452791][T14752]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  758.452794][T14752]  ? next_uptodate_folio (mm/filemap.c:3747)
[  758.452799][T14752]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  758.452802][T14752]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  758.452806][T14752]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.452808][T14752]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  758.452813][T14752]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  758.452817][T14752]  ____sys_sendmsg (net/socket.c:2713)
[  758.452820][T14752]  ? copy_msghdr_from_user (net/socket.c:2650)
[  758.452823][T14752]  ? sock_write_iter (net/socket.c:1269)
[  758.452826][T14752]  ? move_addr_to_kernel (net/socket.c:258)
[  758.452830][T14752]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  758.452834][T14752]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  758.452837][T14752]  ___sys_sendmsg (net/socket.c:2767)
[  758.452840][T14752]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  758.452843][T14752]  ? copy_msghdr_from_user (net/socket.c:2619)
[  758.452846][T14752]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  758.452854][T14752]  __sys_sendmsg (net/socket.c:2799)
[  758.452858][T14752]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  758.452863][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452865][T14752]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  758.452868][T14752]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  758.452872][T14752]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  758.452875][T14752]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  758.452879][T14752] RIP: 0033:0x7f538141954e
[  758.452882][T14752] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  758.452886][T14752] RSP: 002b:00007ffc6892eb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  758.452890][T14752] RAX: ffffffffffffffda RBX: 00007ffc6892f2e8 RCX: 00007f538141954e
[  758.452893][T14752] RDX: 0000000000000000 RSI: 00007ffc6892ebd0 RDI: 0000000000000005
[  758.452895][T14752] RBP: 00007ffc6892eb30 R08: 0000000000000000 R09: 0000000000000000
[  758.452896][T14752] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91281f
[  758.452898][T14752] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc6892f2a0
| [  764.858145][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  764.858148][   T71] Preemption disabled at:
| [  764.858150][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  764.858164][   T71] Tainted: [W]=WARN
[  764.858166][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  764.858168][   T71] Workqueue: netns cleanup_net
[  764.858175][   T71] Call Trace:
[  764.858178][   T71]  <TASK>
[  764.858180][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  764.858188][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  764.858191][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  764.858201][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  764.858204][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  764.858209][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.858213][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  764.858217][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  764.858221][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  764.858227][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  764.858230][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  764.858234][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  764.858237][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  764.858241][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  764.858245][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  764.858251][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  764.858254][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  764.858258][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  764.858261][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.858263][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.858267][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  764.858272][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  764.858276][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.858278][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.858280][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.858283][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.858288][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  764.858291][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  764.858295][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  764.858301][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  764.858304][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.858307][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  764.858310][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.858312][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  764.858315][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  764.858318][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  764.858320][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  764.858324][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  764.858327][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  764.858330][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  764.858332][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  764.858335][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  764.858339][   T71]  ? kthread (kernel/kthread.c:436)
[  764.858342][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  764.858346][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  764.858351][   T71]  _printk (kernel/printk/printk.c:2504)
[  764.858355][   T71]  ? snapshot_read.cold (user.c:?)
[  764.858360][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  764.858364][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  764.858368][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  764.858371][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  764.858375][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.858378][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  764.858380][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  764.858385][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  764.858388][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  764.858391][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  764.858395][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  764.858399][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  764.858405][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  764.858409][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  764.858413][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  764.858417][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  764.858420][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  764.858425][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  764.858428][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  764.858432][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.858435][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.858438][   T71]  process_one_work (kernel/workqueue.c:3387)
[  764.858442][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  764.858447][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  764.858451][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  764.858455][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  764.858458][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  764.858461][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  764.858465][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  764.858468][   T71]  kthread (kernel/kthread.c:436)
[  764.858470][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  764.858473][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  764.858477][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  764.858480][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  764.858483][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  764.858487][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  764.858490][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  765.950374][T14846] softirqs last disabled at (0): 0x0
| [  765.950376][T14846] Preemption disabled at:
| [  765.950377][T14846] vprintk_emit (kernel/printk/printk.c:2471)
| [  765.950390][T14846] Tainted: [W]=WARN
[  765.950392][T14846] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  765.950394][T14846] Call Trace:
[  765.950396][T14846]  <TASK>
[  765.950399][T14846]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  765.950406][T14846]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  765.950408][T14846]  __might_resched.cold (kernel/sched/core.c:9234)
[  765.950414][T14846]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  765.950418][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950423][T14846]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  765.950427][T14846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  765.950432][T14846]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  765.950439][T14846]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  765.950442][T14846]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  765.950446][T14846]  put_chars (drivers/char/virtio_console.c:1176)
[  765.950449][T14846]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  765.950452][T14846]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  765.950456][T14846]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  765.950459][T14846]  ? pointer (lib/vsprintf.c:2577)
[  765.950464][T14846]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  765.950472][T14846]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  765.950475][T14846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  765.950478][T14846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.950482][T14846]  console_emit_next_record (kernel/printk/printk.c:3183)
[  765.950487][T14846]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  765.950490][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950493][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950495][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950497][T14846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.950501][T14846]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  765.950504][T14846]  console_flush_one_record (kernel/printk/printk.c:3268)
[  765.950508][T14846]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  765.950514][T14846]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  765.950516][T14846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.950519][T14846]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  765.950523][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950525][T14846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  765.950528][T14846]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  765.950531][T14846]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  765.950534][T14846]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  765.950537][T14846]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  765.950539][T14846]  vprintk_emit (kernel/printk/printk.c:2479)
[  765.950543][T14846]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  765.950545][T14846]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  765.950549][T14846]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  765.950553][T14846]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  765.950558][T14846]  _printk (kernel/printk/printk.c:2504)
[  765.950562][T14846]  ? snapshot_read.cold (user.c:?)
[  765.950565][T14846]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  765.950568][T14846]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  765.950573][T14846]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  765.950576][T14846]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  765.950581][T14846]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  765.950585][T14846]  ? netdev_notice (net/core/dev.c:13194)
[  765.950589][T14846]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  765.950591][T14846]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  765.950595][T14846]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  765.950598][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950600][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950602][T14846]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  765.950605][T14846]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  765.950608][T14846]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  765.950610][T14846]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  765.950613][T14846]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  765.950616][T14846]  ? register_netdev (net/core/dev.c:11618)
[  765.950618][T14846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  765.950621][T14846]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  765.950626][T14846]  ? __kernel_text_address (kernel/extable.c:79)
[  765.950629][T14846]  ? write_profile (profile.c:?)
[  765.950634][T14846]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  765.950639][T14846]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  765.950642][T14846]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  765.950645][T14846]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  765.950648][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950650][T14846]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  765.950656][T14846]  ? kasan_save_stack (mm/kasan/common.c:58)
[  765.950659][T14846]  ? kasan_save_stack (mm/kasan/common.c:57)
[  765.950661][T14846]  ? kasan_save_track (mm/kasan/common.c:78)
[  765.950663][T14846]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  765.950665][T14846]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  765.950667][T14846]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  765.950670][T14846]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  765.950672][T14846]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  765.950676][T14846]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  765.950678][T14846]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  765.950681][T14846]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  765.950685][T14846]  ? ____sys_sendmsg (net/socket.c:2713)
[  765.950687][T14846]  ? ___sys_sendmsg (net/socket.c:2767)
[  765.950690][T14846]  ? __sys_sendmsg (net/socket.c:2799)
[  765.950693][T14846]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  765.950696][T14846]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  765.950700][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950703][T14846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.950705][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950707][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950710][T14846]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  765.950713][T14846]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  765.950715][T14846]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  765.950718][T14846]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  765.950721][T14846]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  765.950723][T14846]  ? nla_get_range_signed (lib/nlattr.c:270)
[  765.950728][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950731][T14846]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  765.950735][T14846]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  765.950739][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950741][T14846]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  765.950743][T14846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.950746][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950749][T14846]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  765.950752][T14846]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  765.950755][T14846]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  765.950757][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950760][T14846]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  765.950764][T14846]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  765.950767][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950770][T14846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.950773][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950775][T14846]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  765.950778][T14846]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  765.950781][T14846]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  765.950783][T14846]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  765.950786][T14846]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  765.950791][T14846]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  765.950793][T14846]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  765.950796][T14846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  765.950799][T14846]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  765.950801][T14846]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  765.950807][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950809][T14846]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  765.950813][T14846]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  765.950817][T14846]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  765.950820][T14846]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  765.950824][T14846]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  765.950827][T14846]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  765.950830][T14846]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  765.950833][T14846]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.950836][T14846]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  765.950841][T14846]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  765.950844][T14846]  ____sys_sendmsg (net/socket.c:2713)
[  765.950847][T14846]  ? copy_msghdr_from_user (net/socket.c:2650)
[  765.950849][T14846]  ? sock_write_iter (net/socket.c:1269)
[  765.950852][T14846]  ? move_addr_to_kernel (net/socket.c:258)
[  765.950854][T14846]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  765.950859][T14846]  ___sys_sendmsg (net/socket.c:2767)
[  765.950862][T14846]  ? copy_msghdr_from_user (net/socket.c:2619)
[  765.950871][T14846]  __sys_sendmsg (net/socket.c:2799)
[  765.950874][T14846]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  765.950879][T14846]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.950882][T14846]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  765.950885][T14846]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  765.950888][T14846]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  765.950890][T14846] RIP: 0033:0x7f6b690ca54e
[  765.950894][T14846] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  765.950897][T14846] RSP: 002b:00007fff445c5a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  765.950902][T14846] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6b690ca54e
[  765.950904][T14846] RDX: 0000000000000000 RSI: 00007fff445c5b00 RDI: 0000000000000005
[  765.950906][T14846] RBP: 00007fff445c5a60 R08: 0000000000000000 R09: 0000000000000000
[  765.950908][T14846] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912827
[  765.950910][T14846] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff445c61c0
| [  767.576333][T14920] softirqs last disabled at (0): 0x0
| [  767.576335][T14920] Preemption disabled at:
| [  767.576336][T14920] vprintk_emit (kernel/printk/printk.c:2471)
| [  767.576349][T14920] Tainted: [W]=WARN
[  767.576350][T14920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  767.576353][T14920] Call Trace:
[  767.576355][T14920]  <TASK>
[  767.576357][T14920]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  767.576363][T14920]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  767.576365][T14920]  __might_resched.cold (kernel/sched/core.c:9234)
[  767.576368][T14920]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  767.576371][T14920]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  767.576374][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576377][T14920]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  767.576380][T14920]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.576383][T14920]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  767.576388][T14920]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  767.576390][T14920]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  767.576393][T14920]  put_chars (drivers/char/virtio_console.c:1176)
[  767.576395][T14920]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  767.576397][T14920]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  767.576400][T14920]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  767.576405][T14920]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  767.576407][T14920]  ? vsnprintf (lib/vsprintf.c:2900)
[  767.576411][T14920]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.576413][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576414][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576416][T14920]  console_emit_next_record (kernel/printk/printk.c:3183)
[  767.576419][T14920]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  767.576421][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576422][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576424][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576425][T14920]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.576428][T14920]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  767.576430][T14920]  console_flush_one_record (kernel/printk/printk.c:3268)
[  767.576432][T14920]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  767.576435][T14920]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  767.576437][T14920]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.576439][T14920]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  767.576441][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576442][T14920]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.576443][T14920]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  767.576445][T14920]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  767.576447][T14920]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  767.576449][T14920]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  767.576450][T14920]  vprintk_emit (kernel/printk/printk.c:2479)
[  767.576452][T14920]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  767.576453][T14920]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.576455][T14920]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  767.576459][T14920]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.576460][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576463][T14920]  _printk (kernel/printk/printk.c:2504)
[  767.576467][T14920]  ? snapshot_read.cold (user.c:?)
[  767.576471][T14920]  ? br_multicast_flood (??:?)
[  767.576475][T14920]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  767.576478][T14920]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  767.576479][T14920]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  767.576481][T14920]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  767.576484][T14920]  br_init_port (net/bridge/br_stp_if.c:39)
[  767.576486][T14920]  new_nbp (net/bridge/br_if.c:449)
[  767.576489][T14920]  br_add_if (net/bridge/br_if.c:592)
[  767.576491][T14920]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  767.576495][T14920]  do_set_master (net/core/rtnetlink.c:3071)
[  767.576497][T14920]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  767.576499][T14920]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  767.576501][T14920]  ? __dev_get_by_name (net/core/dev.c:905)
[  767.576502][T14920]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  767.576507][T14920]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  767.576509][T14920]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  767.576512][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576513][T14920]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  767.576515][T14920]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.576516][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576518][T14920]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  767.576521][T14920]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  767.576522][T14920]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  767.576525][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576526][T14920]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.576528][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576530][T14920]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  767.576531][T14920]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  767.576533][T14920]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  767.576534][T14920]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  767.576536][T14920]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  767.576540][T14920]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  767.576543][T14920]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  767.576545][T14920]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.576547][T14920]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  767.576548][T14920]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  767.576551][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576553][T14920]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.576555][T14920]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  767.576557][T14920]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  767.576559][T14920]  ? next_uptodate_folio (mm/filemap.c:3747)
[  767.576563][T14920]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  767.576565][T14920]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  767.576568][T14920]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.576571][T14920]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  767.576576][T14920]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  767.576579][T14920]  ____sys_sendmsg (net/socket.c:2713)
[  767.576581][T14920]  ? copy_msghdr_from_user (net/socket.c:2650)
[  767.576583][T14920]  ? sock_write_iter (net/socket.c:1269)
[  767.576584][T14920]  ? move_addr_to_kernel (net/socket.c:258)
[  767.576587][T14920]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  767.576590][T14920]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.576592][T14920]  ___sys_sendmsg (net/socket.c:2767)
[  767.576594][T14920]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  767.576595][T14920]  ? copy_msghdr_from_user (net/socket.c:2619)
[  767.576597][T14920]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  767.576602][T14920]  __sys_sendmsg (net/socket.c:2799)
[  767.576605][T14920]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  767.576607][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576609][T14920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.576610][T14920]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  767.576613][T14920]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  767.576615][T14920]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  767.576617][T14920] RIP: 0033:0x7f3b6653454e
[  767.576620][T14920] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  767.576622][T14920] RSP: 002b:00007ffd4e4b7ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  767.576626][T14920] RAX: ffffffffffffffda RBX: 00007ffd4e4b87b8 RCX: 00007f3b6653454e
[  767.576628][T14920] RDX: 0000000000000000 RSI: 00007ffd4e4b80a0 RDI: 0000000000000005
[  767.576629][T14920] RBP: 00007ffd4e4b8000 R08: 0000000000000000 R09: 0000000000000000
[  767.576630][T14920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912828
[  767.576631][T14920] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4e4b8770
| [  768.731186][T14960] softirqs last disabled at (0): 0x0
| [  768.731188][T14960] Preemption disabled at:
| [  768.731189][T14960] vprintk_emit (kernel/printk/printk.c:2471)
| [  768.731203][T14960] Tainted: [W]=WARN
[  768.731204][T14960] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  768.731206][T14960] Call Trace:
[  768.731208][T14960]  <TASK>
[  768.731209][T14960]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  768.731215][T14960]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  768.731217][T14960]  __might_resched.cold (kernel/sched/core.c:9234)
[  768.731221][T14960]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  768.731225][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731228][T14960]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  768.731231][T14960]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.731234][T14960]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  768.731240][T14960]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  768.731242][T14960]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  768.731245][T14960]  put_chars (drivers/char/virtio_console.c:1176)
[  768.731246][T14960]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  768.731248][T14960]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  768.731250][T14960]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  768.731253][T14960]  ? pointer (lib/vsprintf.c:2577)
[  768.731257][T14960]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  768.731261][T14960]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  768.731263][T14960]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.731265][T14960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.731268][T14960]  console_emit_next_record (kernel/printk/printk.c:3183)
[  768.731271][T14960]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  768.731274][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731275][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731276][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731277][T14960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.731280][T14960]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  768.731282][T14960]  console_flush_one_record (kernel/printk/printk.c:3268)
[  768.731284][T14960]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  768.731287][T14960]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  768.731289][T14960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.731291][T14960]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  768.731293][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731294][T14960]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.731296][T14960]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  768.731297][T14960]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  768.731299][T14960]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  768.731301][T14960]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  768.731303][T14960]  vprintk_emit (kernel/printk/printk.c:2479)
[  768.731305][T14960]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  768.731306][T14960]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  768.731309][T14960]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  768.731313][T14960]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  768.731315][T14960]  _printk (kernel/printk/printk.c:2504)
[  768.731318][T14960]  ? snapshot_read.cold (user.c:?)
[  768.731321][T14960]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  768.731323][T14960]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  768.731327][T14960]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  768.731329][T14960]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  768.731332][T14960]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  768.731335][T14960]  ? netdev_notice (net/core/dev.c:13194)
[  768.731337][T14960]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  768.731339][T14960]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  768.731342][T14960]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.731344][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731345][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731346][T14960]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  768.731347][T14960]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  768.731349][T14960]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  768.731351][T14960]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  768.731352][T14960]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  768.731354][T14960]  ? register_netdev (net/core/dev.c:11618)
[  768.731356][T14960]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.731358][T14960]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  768.731360][T14960]  ? __kernel_text_address (kernel/extable.c:79)
[  768.731363][T14960]  ? write_profile (profile.c:?)
[  768.731366][T14960]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  768.731370][T14960]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  768.731372][T14960]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  768.731374][T14960]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  768.731375][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731377][T14960]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  768.731380][T14960]  ? kasan_save_stack (mm/kasan/common.c:58)
[  768.731382][T14960]  ? kasan_save_stack (mm/kasan/common.c:57)
[  768.731384][T14960]  ? kasan_save_track (mm/kasan/common.c:78)
[  768.731385][T14960]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  768.731386][T14960]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  768.731388][T14960]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  768.731389][T14960]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  768.731390][T14960]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  768.731393][T14960]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  768.731395][T14960]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  768.731397][T14960]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  768.731399][T14960]  ? ____sys_sendmsg (net/socket.c:2713)
[  768.731401][T14960]  ? ___sys_sendmsg (net/socket.c:2767)
[  768.731402][T14960]  ? __sys_sendmsg (net/socket.c:2799)
[  768.731405][T14960]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  768.731407][T14960]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  768.731410][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731411][T14960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.731413][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731414][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731415][T14960]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  768.731417][T14960]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  768.731418][T14960]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  768.731419][T14960]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  768.731421][T14960]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  768.731422][T14960]  ? nla_get_range_signed (lib/nlattr.c:270)
[  768.731426][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731427][T14960]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  768.731430][T14960]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  768.731432][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731433][T14960]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  768.731435][T14960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.731437][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731438][T14960]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  768.731441][T14960]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  768.731442][T14960]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  768.731444][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731445][T14960]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  768.731448][T14960]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  768.731451][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731452][T14960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.731454][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731455][T14960]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  768.731456][T14960]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  768.731459][T14960]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  768.731460][T14960]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  768.731462][T14960]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  768.731465][T14960]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  768.731467][T14960]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  768.731468][T14960]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.731470][T14960]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  768.731472][T14960]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  768.731475][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731476][T14960]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.731478][T14960]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  768.731481][T14960]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  768.731483][T14960]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  768.731485][T14960]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  768.731488][T14960]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  768.731489][T14960]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  768.731491][T14960]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.731493][T14960]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  768.731497][T14960]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  768.731499][T14960]  ____sys_sendmsg (net/socket.c:2713)
[  768.731501][T14960]  ? copy_msghdr_from_user (net/socket.c:2650)
[  768.731503][T14960]  ? sock_write_iter (net/socket.c:1269)
[  768.731504][T14960]  ? move_addr_to_kernel (net/socket.c:258)
[  768.731506][T14960]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  768.731509][T14960]  ___sys_sendmsg (net/socket.c:2767)
[  768.731511][T14960]  ? copy_msghdr_from_user (net/socket.c:2619)
[  768.731517][T14960]  __sys_sendmsg (net/socket.c:2799)
[  768.731519][T14960]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  768.731522][T14960]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.731524][T14960]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  768.731526][T14960]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  768.731528][T14960]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  768.731530][T14960] RIP: 0033:0x7f2829d8354e
[  768.731532][T14960] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  768.731534][T14960] RSP: 002b:00007ffdb2fd4920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  768.731538][T14960] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2829d8354e
[  768.731539][T14960] RDX: 0000000000000000 RSI: 00007ffdb2fd49d0 RDI: 0000000000000005
[  768.731540][T14960] RBP: 00007ffdb2fd4930 R08: 0000000000000000 R09: 0000000000000000
[  768.731541][T14960] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91282a
[  768.731543][T14960] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb2fd5090
| [  770.341421][T15017] softirqs last disabled at (0): 0x0
| [  770.341424][T15017] Preemption disabled at:
| [  770.341425][T15017] vprintk_emit (kernel/printk/printk.c:2471)
| [  770.341439][T15017] Tainted: [W]=WARN
[  770.341441][T15017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  770.341443][T15017] Call Trace:
[  770.341446][T15017]  <TASK>
[  770.341448][T15017]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  770.341455][T15017]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  770.341457][T15017]  __might_resched.cold (kernel/sched/core.c:9234)
[  770.341462][T15017]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  770.341465][T15017]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  770.341469][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341473][T15017]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  770.341477][T15017]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  770.341481][T15017]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  770.341487][T15017]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  770.341490][T15017]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  770.341494][T15017]  put_chars (drivers/char/virtio_console.c:1176)
[  770.341497][T15017]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  770.341500][T15017]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  770.341504][T15017]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  770.341511][T15017]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  770.341513][T15017]  ? vsnprintf (lib/vsprintf.c:2900)
[  770.341518][T15017]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  770.341521][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341523][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341526][T15017]  console_emit_next_record (kernel/printk/printk.c:3183)
[  770.341530][T15017]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  770.341533][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341535][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341537][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341539][T15017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.341543][T15017]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  770.341546][T15017]  console_flush_one_record (kernel/printk/printk.c:3268)
[  770.341550][T15017]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  770.341555][T15017]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  770.341557][T15017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.341560][T15017]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  770.341563][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341565][T15017]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  770.341567][T15017]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  770.341570][T15017]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  770.341572][T15017]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  770.341575][T15017]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  770.341578][T15017]  vprintk_emit (kernel/printk/printk.c:2479)
[  770.341581][T15017]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  770.341583][T15017]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  770.341586][T15017]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  770.341590][T15017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.341593][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341595][T15017]  _printk (kernel/printk/printk.c:2504)
[  770.341599][T15017]  ? snapshot_read.cold (user.c:?)
[  770.341603][T15017]  ? br_multicast_flood (??:?)
[  770.341608][T15017]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  770.341611][T15017]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  770.341613][T15017]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  770.341617][T15017]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  770.341621][T15017]  br_init_port (net/bridge/br_stp_if.c:39)
[  770.341624][T15017]  new_nbp (net/bridge/br_if.c:449)
[  770.341628][T15017]  br_add_if (net/bridge/br_if.c:592)
[  770.341631][T15017]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  770.341637][T15017]  do_set_master (net/core/rtnetlink.c:3071)
[  770.341640][T15017]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  770.341643][T15017]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  770.341645][T15017]  ? __dev_get_by_name (net/core/dev.c:905)
[  770.341648][T15017]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  770.341654][T15017]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  770.341659][T15017]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  770.341662][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341665][T15017]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  770.341667][T15017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.341670][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341672][T15017]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  770.341676][T15017]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  770.341679][T15017]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  770.341682][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341684][T15017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.341687][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341689][T15017]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  770.341692][T15017]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  770.341695][T15017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  770.341697][T15017]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  770.341700][T15017]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  770.341706][T15017]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  770.341710][T15017]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  770.341712][T15017]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  770.341715][T15017]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  770.341718][T15017]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  770.341722][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341724][T15017]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  770.341728][T15017]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  770.341731][T15017]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  770.341735][T15017]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  770.341738][T15017]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  770.341743][T15017]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  770.341746][T15017]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  770.341750][T15017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.341752][T15017]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  770.341757][T15017]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  770.341761][T15017]  ____sys_sendmsg (net/socket.c:2713)
[  770.341764][T15017]  ? copy_msghdr_from_user (net/socket.c:2650)
[  770.341767][T15017]  ? sock_write_iter (net/socket.c:1269)
[  770.341769][T15017]  ? move_addr_to_kernel (net/socket.c:258)
[  770.341773][T15017]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  770.341777][T15017]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  770.341780][T15017]  ___sys_sendmsg (net/socket.c:2767)
[  770.341783][T15017]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  770.341786][T15017]  ? copy_msghdr_from_user (net/socket.c:2619)
[  770.341789][T15017]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  770.341797][T15017]  __sys_sendmsg (net/socket.c:2799)
[  770.341801][T15017]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  770.341805][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341807][T15017]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  770.341810][T15017]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  770.341814][T15017]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  770.341817][T15017]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  770.341820][T15017] RIP: 0033:0x7f23d1bc754e
[  770.341823][T15017] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  770.341826][T15017] RSP: 002b:00007ffe3ff46a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  770.341831][T15017] RAX: ffffffffffffffda RBX: 00007ffe3ff47248 RCX: 00007f23d1bc754e
[  770.341834][T15017] RDX: 0000000000000000 RSI: 00007ffe3ff46b30 RDI: 0000000000000005
[  770.341835][T15017] RBP: 00007ffe3ff46a90 R08: 0000000000000000 R09: 0000000000000000
[  770.341837][T15017] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91282b
[  770.341839][T15017] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3ff47200
| [  776.930395][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  776.930399][   T71] Preemption disabled at:
| [  776.930400][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  776.930415][   T71] Tainted: [W]=WARN
[  776.930416][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  776.930419][   T71] Workqueue: netns cleanup_net
[  776.930426][   T71] Call Trace:
[  776.930429][   T71]  <TASK>
[  776.930431][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  776.930438][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  776.930440][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  776.930444][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  776.930448][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  776.930453][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.930457][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  776.930461][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.930465][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  776.930471][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  776.930474][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  776.930478][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  776.930481][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  776.930484][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  776.930488][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  776.930495][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  776.930498][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  776.930501][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.930504][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.930506][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.930509][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  776.930514][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  776.930517][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.930519][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.930521][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.930523][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.930527][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  776.930530][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  776.930534][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  776.930538][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  776.930541][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.930544][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  776.930547][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.930549][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  776.930552][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  776.930554][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  776.930557][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  776.930560][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  776.930563][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  776.930566][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  776.930568][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  776.930570][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  776.930574][   T71]  ? kthread (kernel/kthread.c:436)
[  776.930577][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  776.930581][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  776.930585][   T71]  _printk (kernel/printk/printk.c:2504)
[  776.930590][   T71]  ? snapshot_read.cold (user.c:?)
[  776.930593][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  776.930597][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  776.930601][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  776.930604][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  776.930608][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.930610][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  776.930612][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  776.930616][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  776.930619][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  776.930622][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  776.930626][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  776.930630][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  776.930635][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  776.930639][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  776.930643][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  776.930646][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  776.930650][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  776.930654][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  776.930657][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  776.930660][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  776.930663][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  776.930666][   T71]  process_one_work (kernel/workqueue.c:3387)
[  776.930671][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  776.930676][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  776.930680][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  776.930683][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  776.930686][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  776.930689][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  776.930692][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  776.930695][   T71]  kthread (kernel/kthread.c:436)
[  776.930698][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  776.930701][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  776.930704][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  776.930707][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  776.930710][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  776.930714][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  776.930717][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  778.103115][T15111] softirqs last disabled at (0): 0x0
| [  778.103118][T15111] Preemption disabled at:
| [  778.103119][T15111] vprintk_emit (kernel/printk/printk.c:2471)
| [  778.103134][T15111] Tainted: [W]=WARN
[  778.103135][T15111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  778.103138][T15111] Call Trace:
[  778.103140][T15111]  <TASK>
[  778.103142][T15111]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  778.103149][T15111]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  778.103151][T15111]  __might_resched.cold (kernel/sched/core.c:9234)
[  778.103156][T15111]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  778.103160][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103164][T15111]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  778.103168][T15111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  778.103172][T15111]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  778.103178][T15111]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  778.103186][T15111]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  778.103190][T15111]  put_chars (drivers/char/virtio_console.c:1176)
[  778.103193][T15111]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  778.103199][T15111]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  778.103203][T15111]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  778.103206][T15111]  ? pointer (lib/vsprintf.c:2577)
[  778.103211][T15111]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  778.103217][T15111]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  778.103220][T15111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  778.103223][T15111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  778.103227][T15111]  console_emit_next_record (kernel/printk/printk.c:3183)
[  778.103231][T15111]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  778.103235][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103237][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103238][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103240][T15111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  778.103244][T15111]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  778.103247][T15111]  console_flush_one_record (kernel/printk/printk.c:3268)
[  778.103250][T15111]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  778.103255][T15111]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  778.103258][T15111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  778.103260][T15111]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  778.103263][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103265][T15111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  778.103267][T15111]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  778.103270][T15111]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  778.103272][T15111]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  778.103275][T15111]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  778.103278][T15111]  vprintk_emit (kernel/printk/printk.c:2479)
[  778.103281][T15111]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  778.103283][T15111]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  778.103286][T15111]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  778.103291][T15111]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  778.103294][T15111]  _printk (kernel/printk/printk.c:2504)
[  778.103298][T15111]  ? snapshot_read.cold (user.c:?)
[  778.103302][T15111]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  778.103305][T15111]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  778.103309][T15111]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  778.103312][T15111]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  778.103316][T15111]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  778.103320][T15111]  ? netdev_notice (net/core/dev.c:13194)
[  778.103323][T15111]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  778.103325][T15111]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  778.103329][T15111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  778.103331][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103333][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103335][T15111]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  778.103338][T15111]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  778.103341][T15111]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  778.103343][T15111]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  778.103345][T15111]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  778.103348][T15111]  ? register_netdev (net/core/dev.c:11618)
[  778.103350][T15111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  778.103353][T15111]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  778.103357][T15111]  ? __kernel_text_address (kernel/extable.c:79)
[  778.103361][T15111]  ? write_profile (profile.c:?)
[  778.103365][T15111]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  778.103370][T15111]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  778.103373][T15111]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  778.103376][T15111]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  778.103378][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103380][T15111]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  778.103385][T15111]  ? kasan_save_stack (mm/kasan/common.c:58)
[  778.103388][T15111]  ? kasan_save_stack (mm/kasan/common.c:57)
[  778.103389][T15111]  ? kasan_save_track (mm/kasan/common.c:78)
[  778.103391][T15111]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  778.103393][T15111]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  778.103395][T15111]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  778.103398][T15111]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  778.103400][T15111]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  778.103403][T15111]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  778.103406][T15111]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  778.103408][T15111]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  778.103412][T15111]  ? ____sys_sendmsg (net/socket.c:2713)
[  778.103414][T15111]  ? ___sys_sendmsg (net/socket.c:2767)
[  778.103416][T15111]  ? __sys_sendmsg (net/socket.c:2799)
[  778.103419][T15111]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  778.103422][T15111]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  778.103426][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103428][T15111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  778.103430][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103432][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103434][T15111]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  778.103437][T15111]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  778.103439][T15111]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  778.103441][T15111]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  778.103444][T15111]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  778.103445][T15111]  ? nla_get_range_signed (lib/nlattr.c:270)
[  778.103450][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103452][T15111]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  778.103456][T15111]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  778.103459][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103461][T15111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  778.103463][T15111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  778.103466][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103468][T15111]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  778.103471][T15111]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  778.103473][T15111]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  778.103476][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103478][T15111]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  778.103482][T15111]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  778.103485][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103487][T15111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  778.103489][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103492][T15111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  778.103494][T15111]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  778.103497][T15111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  778.103499][T15111]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  778.103502][T15111]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  778.103506][T15111]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  778.103509][T15111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  778.103511][T15111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  778.103514][T15111]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  778.103516][T15111]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  778.103521][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103523][T15111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  778.103527][T15111]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  778.103530][T15111]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  778.103533][T15111]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  778.103536][T15111]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  778.103540][T15111]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  778.103542][T15111]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  778.103545][T15111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  778.103547][T15111]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  778.103552][T15111]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  778.103556][T15111]  ____sys_sendmsg (net/socket.c:2713)
[  778.103558][T15111]  ? copy_msghdr_from_user (net/socket.c:2650)
[  778.103561][T15111]  ? sock_write_iter (net/socket.c:1269)
[  778.103563][T15111]  ? move_addr_to_kernel (net/socket.c:258)
[  778.103566][T15111]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  778.103570][T15111]  ___sys_sendmsg (net/socket.c:2767)
[  778.103573][T15111]  ? copy_msghdr_from_user (net/socket.c:2619)
[  778.103582][T15111]  __sys_sendmsg (net/socket.c:2799)
[  778.103585][T15111]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  778.103589][T15111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  778.103592][T15111]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  778.103595][T15111]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  778.103598][T15111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  778.103601][T15111] RIP: 0033:0x7f75caff754e
[  778.103604][T15111] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  778.103607][T15111] RSP: 002b:00007ffd632183b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  778.103612][T15111] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f75caff754e
[  778.103614][T15111] RDX: 0000000000000000 RSI: 00007ffd63218460 RDI: 0000000000000005
[  778.103616][T15111] RBP: 00007ffd632183c0 R08: 0000000000000000 R09: 0000000000000000
[  778.103617][T15111] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912833
[  778.103619][T15111] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd63218b20
| [  779.870630][T15185] softirqs last disabled at (0): 0x0
| [  779.870633][T15185] Preemption disabled at:
| [  779.870635][T15185] vprintk_emit (kernel/printk/printk.c:2471)
| [  779.870648][T15185] Tainted: [W]=WARN
[  779.870650][T15185] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  779.870653][T15185] Call Trace:
[  779.870655][T15185]  <TASK>
[  779.870657][T15185]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  779.870664][T15185]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  779.870666][T15185]  __might_resched.cold (kernel/sched/core.c:9234)
[  779.870671][T15185]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  779.870675][T15185]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  779.870679][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870683][T15185]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  779.870687][T15185]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.870691][T15185]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.870698][T15185]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  779.870701][T15185]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.870705][T15185]  put_chars (drivers/char/virtio_console.c:1176)
[  779.870708][T15185]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  779.870711][T15185]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  779.870716][T15185]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  779.870722][T15185]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  779.870725][T15185]  ? vsnprintf (lib/vsprintf.c:2900)
[  779.870729][T15185]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.870732][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870734][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870737][T15185]  console_emit_next_record (kernel/printk/printk.c:3183)
[  779.870742][T15185]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  779.870745][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870748][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870750][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870752][T15185]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.870756][T15185]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  779.870759][T15185]  console_flush_one_record (kernel/printk/printk.c:3268)
[  779.870763][T15185]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  779.870768][T15185]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  779.870771][T15185]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.870774][T15185]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  779.870776][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870778][T15185]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.870781][T15185]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  779.870784][T15185]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  779.870787][T15185]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  779.870790][T15185]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  779.870793][T15185]  vprintk_emit (kernel/printk/printk.c:2479)
[  779.870796][T15185]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  779.870799][T15185]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.870802][T15185]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  779.870805][T15185]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.870808][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870811][T15185]  _printk (kernel/printk/printk.c:2504)
[  779.870815][T15185]  ? snapshot_read.cold (user.c:?)
[  779.870819][T15185]  ? br_multicast_flood (??:?)
[  779.870824][T15185]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  779.870828][T15185]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  779.870830][T15185]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  779.870833][T15185]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  779.870838][T15185]  br_init_port (net/bridge/br_stp_if.c:39)
[  779.870841][T15185]  new_nbp (net/bridge/br_if.c:449)
[  779.870844][T15185]  br_add_if (net/bridge/br_if.c:592)
[  779.870847][T15185]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  779.870854][T15185]  do_set_master (net/core/rtnetlink.c:3071)
[  779.870857][T15185]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  779.870860][T15185]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  779.870862][T15185]  ? __dev_get_by_name (net/core/dev.c:905)
[  779.870865][T15185]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  779.870871][T15185]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  779.870876][T15185]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  779.870879][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870882][T15185]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.870884][T15185]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.870887][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870889][T15185]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  779.870893][T15185]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  779.870896][T15185]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  779.870899][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870901][T15185]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.870904][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870906][T15185]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.870909][T15185]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  779.870912][T15185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  779.870914][T15185]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  779.870917][T15185]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  779.870923][T15185]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  779.870927][T15185]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  779.870930][T15185]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.870932][T15185]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  779.870935][T15185]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  779.870940][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.870942][T15185]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.870946][T15185]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  779.870949][T15185]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  779.870953][T15185]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  779.870957][T15185]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  779.870961][T15185]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  779.870965][T15185]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  779.870968][T15185]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.870971][T15185]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  779.870976][T15185]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  779.870980][T15185]  ____sys_sendmsg (net/socket.c:2713)
[  779.870983][T15185]  ? copy_msghdr_from_user (net/socket.c:2650)
[  779.870986][T15185]  ? sock_write_iter (net/socket.c:1269)
[  779.870988][T15185]  ? move_addr_to_kernel (net/socket.c:258)
[  779.870992][T15185]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  779.870996][T15185]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.870999][T15185]  ___sys_sendmsg (net/socket.c:2767)
[  779.871002][T15185]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  779.871005][T15185]  ? copy_msghdr_from_user (net/socket.c:2619)
[  779.871008][T15185]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  779.871016][T15185]  __sys_sendmsg (net/socket.c:2799)
[  779.871020][T15185]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  779.871024][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.871026][T15185]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.871029][T15185]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  779.871032][T15185]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  779.871036][T15185]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  779.871039][T15185] RIP: 0033:0x7f9a2335054e
[  779.871042][T15185] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  779.871046][T15185] RSP: 002b:00007ffe54b63700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  779.871051][T15185] RAX: ffffffffffffffda RBX: 00007ffe54b63ec8 RCX: 00007f9a2335054e
[  779.871053][T15185] RDX: 0000000000000000 RSI: 00007ffe54b637b0 RDI: 0000000000000005
[  779.871055][T15185] RBP: 00007ffe54b63710 R08: 0000000000000000 R09: 0000000000000000
[  779.871057][T15185] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912835
[  779.871059][T15185] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe54b63e80
| [  780.962720][T15223] softirqs last disabled at (0): 0x0
| [  780.962722][T15223] Preemption disabled at:
| [  780.962723][T15223] vprintk_emit (kernel/printk/printk.c:2471)
| [  780.962734][T15223] Tainted: [W]=WARN
[  780.962735][T15223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  780.962737][T15223] Call Trace:
[  780.962739][T15223]  <TASK>
[  780.962740][T15223]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  780.962746][T15223]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  780.962747][T15223]  __might_resched.cold (kernel/sched/core.c:9234)
[  780.962751][T15223]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  780.962755][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962758][T15223]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  780.962761][T15223]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.962764][T15223]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  780.962770][T15223]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  780.962772][T15223]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  780.962774][T15223]  put_chars (drivers/char/virtio_console.c:1176)
[  780.962776][T15223]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  780.962777][T15223]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  780.962780][T15223]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  780.962782][T15223]  ? pointer (lib/vsprintf.c:2577)
[  780.962786][T15223]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  780.962791][T15223]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  780.962793][T15223]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.962795][T15223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.962798][T15223]  console_emit_next_record (kernel/printk/printk.c:3183)
[  780.962801][T15223]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  780.962803][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962804][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962805][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962806][T15223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.962808][T15223]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  780.962810][T15223]  console_flush_one_record (kernel/printk/printk.c:3268)
[  780.962813][T15223]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  780.962816][T15223]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  780.962818][T15223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.962820][T15223]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  780.962822][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962823][T15223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.962825][T15223]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  780.962826][T15223]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  780.962828][T15223]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  780.962830][T15223]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  780.962831][T15223]  vprintk_emit (kernel/printk/printk.c:2479)
[  780.962834][T15223]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  780.962835][T15223]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  780.962838][T15223]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  780.962840][T15223]  _printk (kernel/printk/printk.c:2504)
[  780.962843][T15223]  ? snapshot_read.cold (user.c:?)
[  780.962845][T15223]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  780.962848][T15223]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  780.962851][T15223]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  780.962853][T15223]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  780.962857][T15223]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  780.962859][T15223]  ? netdev_notice (net/core/dev.c:13194)
[  780.962861][T15223]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  780.962863][T15223]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  780.962866][T15223]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.962867][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962868][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962869][T15223]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  780.962873][T15223]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  780.962874][T15223]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  780.962876][T15223]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  780.962877][T15223]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  780.962879][T15223]  ? register_netdev (net/core/dev.c:11618)
[  780.962881][T15223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.962883][T15223]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  780.962886][T15223]  ? __kernel_text_address (kernel/extable.c:79)
[  780.962888][T15223]  ? write_profile (profile.c:?)
[  780.962891][T15223]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  780.962895][T15223]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  780.962897][T15223]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  780.962898][T15223]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  780.962900][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962901][T15223]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  780.962904][T15223]  ? kasan_save_stack (mm/kasan/common.c:58)
[  780.962906][T15223]  ? kasan_save_stack (mm/kasan/common.c:57)
[  780.962907][T15223]  ? kasan_save_track (mm/kasan/common.c:78)
[  780.962908][T15223]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  780.962910][T15223]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  780.962911][T15223]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  780.962912][T15223]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  780.962913][T15223]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  780.962917][T15223]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  780.962918][T15223]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  780.962920][T15223]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  780.962923][T15223]  ? ____sys_sendmsg (net/socket.c:2713)
[  780.962924][T15223]  ? ___sys_sendmsg (net/socket.c:2767)
[  780.962926][T15223]  ? __sys_sendmsg (net/socket.c:2799)
[  780.962928][T15223]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  780.962930][T15223]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  780.962933][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962934][T15223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.962936][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962937][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962938][T15223]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  780.962940][T15223]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  780.962941][T15223]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  780.962942][T15223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  780.962944][T15223]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  780.962945][T15223]  ? nla_get_range_signed (lib/nlattr.c:270)
[  780.962949][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962950][T15223]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  780.962952][T15223]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  780.962954][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962956][T15223]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  780.962957][T15223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.962959][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962960][T15223]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  780.962963][T15223]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  780.962964][T15223]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  780.962966][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962967][T15223]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  780.962970][T15223]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  780.962972][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962974][T15223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.962975][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962977][T15223]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  780.962978][T15223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  780.962980][T15223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  780.962981][T15223]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  780.962983][T15223]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  780.962985][T15223]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  780.962987][T15223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  780.962989][T15223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.962991][T15223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  780.962992][T15223]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  780.962996][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.962997][T15223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.962999][T15223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  780.963002][T15223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  780.963004][T15223]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  780.963006][T15223]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  780.963008][T15223]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  780.963010][T15223]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  780.963012][T15223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.963013][T15223]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  780.963017][T15223]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  780.963019][T15223]  ____sys_sendmsg (net/socket.c:2713)
[  780.963021][T15223]  ? copy_msghdr_from_user (net/socket.c:2650)
[  780.963022][T15223]  ? sock_write_iter (net/socket.c:1269)
[  780.963024][T15223]  ? move_addr_to_kernel (net/socket.c:258)
[  780.963026][T15223]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  780.963029][T15223]  ___sys_sendmsg (net/socket.c:2767)
[  780.963031][T15223]  ? copy_msghdr_from_user (net/socket.c:2619)
[  780.963036][T15223]  __sys_sendmsg (net/socket.c:2799)
[  780.963038][T15223]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  780.963041][T15223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.963042][T15223]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  780.963044][T15223]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  780.963046][T15223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  780.963048][T15223] RIP: 0033:0x7f210c61b54e
[  780.963050][T15223] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  780.963052][T15223] RSP: 002b:00007ffe363f74f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  780.963056][T15223] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f210c61b54e
[  780.963057][T15223] RDX: 0000000000000000 RSI: 00007ffe363f75a0 RDI: 0000000000000005
[  780.963058][T15223] RBP: 00007ffe363f7500 R08: 0000000000000000 R09: 0000000000000000
[  780.963059][T15223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912836
[  780.963060][T15223] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe363f7c60
| [  782.637842][T15281] softirqs last disabled at (0): 0x0
| [  782.637845][T15281] Preemption disabled at:
| [  782.637846][T15281] vprintk_emit (kernel/printk/printk.c:2471)
| [  782.637860][T15281] Tainted: [W]=WARN
[  782.637862][T15281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  782.637865][T15281] Call Trace:
[  782.637867][T15281]  <TASK>
[  782.637869][T15281]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  782.637876][T15281]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  782.637879][T15281]  __might_resched.cold (kernel/sched/core.c:9234)
[  782.637884][T15281]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  782.637887][T15281]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  782.637892][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.637896][T15281]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  782.637900][T15281]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  782.637904][T15281]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  782.637911][T15281]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  782.637914][T15281]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  782.637918][T15281]  put_chars (drivers/char/virtio_console.c:1176)
[  782.637921][T15281]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  782.637925][T15281]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  782.637929][T15281]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  782.637936][T15281]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  782.637938][T15281]  ? vsnprintf (lib/vsprintf.c:2900)
[  782.637943][T15281]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  782.637946][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.637948][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.637952][T15281]  console_emit_next_record (kernel/printk/printk.c:3183)
[  782.637956][T15281]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  782.637959][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.637961][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.637963][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.637965][T15281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.637969][T15281]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  782.637972][T15281]  console_flush_one_record (kernel/printk/printk.c:3268)
[  782.637976][T15281]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  782.637981][T15281]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  782.637984][T15281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.637987][T15281]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  782.637990][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.637992][T15281]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  782.637994][T15281]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  782.637997][T15281]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  782.638000][T15281]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  782.638003][T15281]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  782.638005][T15281]  vprintk_emit (kernel/printk/printk.c:2479)
[  782.638008][T15281]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  782.638011][T15281]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  782.638014][T15281]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  782.638017][T15281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.638020][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.638023][T15281]  _printk (kernel/printk/printk.c:2504)
[  782.638027][T15281]  ? snapshot_read.cold (user.c:?)
[  782.638030][T15281]  ? br_multicast_flood (??:?)
[  782.638035][T15281]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  782.638039][T15281]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  782.638041][T15281]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  782.638044][T15281]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  782.638050][T15281]  br_init_port (net/bridge/br_stp_if.c:39)
[  782.638053][T15281]  new_nbp (net/bridge/br_if.c:449)
[  782.638056][T15281]  br_add_if (net/bridge/br_if.c:592)
[  782.638059][T15281]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  782.638065][T15281]  do_set_master (net/core/rtnetlink.c:3071)
[  782.638069][T15281]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  782.638072][T15281]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  782.638074][T15281]  ? __dev_get_by_name (net/core/dev.c:905)
[  782.638077][T15281]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  782.638083][T15281]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  782.638088][T15281]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  782.638092][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.638095][T15281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  782.638097][T15281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.638099][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.638102][T15281]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  782.638106][T15281]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  782.638109][T15281]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  782.638113][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.638115][T15281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.638117][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.638120][T15281]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  782.638122][T15281]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  782.638125][T15281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  782.638128][T15281]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  782.638131][T15281]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  782.638136][T15281]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  782.638140][T15281]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  782.638143][T15281]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  782.638146][T15281]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  782.638148][T15281]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  782.638153][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.638156][T15281]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  782.638159][T15281]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  782.638163][T15281]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  782.638166][T15281]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  782.638170][T15281]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  782.638174][T15281]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  782.638178][T15281]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  782.638181][T15281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.638184][T15281]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  782.638189][T15281]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  782.638193][T15281]  ____sys_sendmsg (net/socket.c:2713)
[  782.638199][T15281]  ? copy_msghdr_from_user (net/socket.c:2650)
[  782.638201][T15281]  ? sock_write_iter (net/socket.c:1269)
[  782.638204][T15281]  ? move_addr_to_kernel (net/socket.c:258)
[  782.638207][T15281]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  782.638211][T15281]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  782.638220][T15281]  ___sys_sendmsg (net/socket.c:2767)
[  782.638223][T15281]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  782.638225][T15281]  ? copy_msghdr_from_user (net/socket.c:2619)
[  782.638228][T15281]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  782.638237][T15281]  __sys_sendmsg (net/socket.c:2799)
[  782.638240][T15281]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  782.638244][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.638247][T15281]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  782.638249][T15281]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  782.638253][T15281]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  782.638256][T15281]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  782.638260][T15281] RIP: 0033:0x7f68f8fff54e
[  782.638263][T15281] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  782.638266][T15281] RSP: 002b:00007fff4dcaf2b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  782.638272][T15281] RAX: ffffffffffffffda RBX: 00007fff4dcafa78 RCX: 00007f68f8fff54e
[  782.638274][T15281] RDX: 0000000000000000 RSI: 00007fff4dcaf360 RDI: 0000000000000005
[  782.638276][T15281] RBP: 00007fff4dcaf2c0 R08: 0000000000000000 R09: 0000000000000000
[  782.638278][T15281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912838
[  782.638280][T15281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4dcafa30
| [  793.224922][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  793.224924][   T71] Preemption disabled at:
| [  793.224925][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  793.224937][   T71] Tainted: [W]=WARN
[  793.224938][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  793.224940][   T71] Workqueue: netns cleanup_net
[  793.224946][   T71] Call Trace:
[  793.224948][   T71]  <TASK>
[  793.224950][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  793.224956][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  793.224958][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  793.224961][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  793.224963][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  793.224967][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.224970][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  793.224973][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  793.224976][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  793.224980][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  793.224982][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  793.224985][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  793.224987][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  793.224989][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  793.224991][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  793.224996][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  793.224998][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  793.225001][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  793.225003][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.225004][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.225006][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  793.225008][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  793.225011][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.225012][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.225013][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.225014][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.225016][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  793.225018][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  793.225021][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  793.225024][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  793.225025][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.225027][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  793.225029][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.225030][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  793.225032][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  793.225033][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  793.225035][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  793.225037][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  793.225039][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  793.225041][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  793.225042][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  793.225044][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  793.225047][   T71]  ? kthread (kernel/kthread.c:436)
[  793.225049][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  793.225052][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  793.225055][   T71]  _printk (kernel/printk/printk.c:2504)
[  793.225058][   T71]  ? snapshot_read.cold (user.c:?)
[  793.225060][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  793.225064][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  793.225066][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  793.225068][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  793.225071][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.225072][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  793.225074][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  793.225077][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  793.225078][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  793.225080][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  793.225082][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  793.225085][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  793.225089][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  793.225091][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  793.225094][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  793.225096][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  793.225098][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  793.225101][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  793.225103][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  793.225105][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  793.225107][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  793.225109][   T71]  process_one_work (kernel/workqueue.c:3387)
[  793.225112][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  793.225114][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  793.225117][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  793.225119][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  793.225121][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  793.225123][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  793.225125][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  793.225127][   T71]  kthread (kernel/kthread.c:436)
[  793.225129][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  793.225131][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  793.225133][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  793.225135][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  793.225137][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  793.225140][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  793.225142][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  794.362748][T15493] softirqs last disabled at (0): 0x0
| [  794.362750][T15493] Preemption disabled at:
| [  794.362751][T15493] vprintk_emit (kernel/printk/printk.c:2471)
| [  794.362762][T15493] Tainted: [W]=WARN
[  794.362763][T15493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  794.362765][T15493] Call Trace:
[  794.362767][T15493]  <TASK>
[  794.362768][T15493]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  794.362774][T15493]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  794.362775][T15493]  __might_resched.cold (kernel/sched/core.c:9234)
[  794.362779][T15493]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  794.362783][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362786][T15493]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  794.362789][T15493]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  794.362793][T15493]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  794.362798][T15493]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  794.362800][T15493]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  794.362803][T15493]  put_chars (drivers/char/virtio_console.c:1176)
[  794.362804][T15493]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  794.362806][T15493]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  794.362808][T15493]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  794.362811][T15493]  ? pointer (lib/vsprintf.c:2577)
[  794.362814][T15493]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  794.362819][T15493]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  794.362821][T15493]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  794.362823][T15493]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  794.362826][T15493]  console_emit_next_record (kernel/printk/printk.c:3183)
[  794.362829][T15493]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  794.362832][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362833][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362834][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362835][T15493]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  794.362837][T15493]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  794.362839][T15493]  console_flush_one_record (kernel/printk/printk.c:3268)
[  794.362841][T15493]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  794.362844][T15493]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  794.362846][T15493]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  794.362848][T15493]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  794.362850][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362851][T15493]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  794.362853][T15493]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  794.362855][T15493]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  794.362856][T15493]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  794.362858][T15493]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  794.362860][T15493]  vprintk_emit (kernel/printk/printk.c:2479)
[  794.362862][T15493]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  794.362863][T15493]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  794.362865][T15493]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  794.362868][T15493]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  794.362871][T15493]  _printk (kernel/printk/printk.c:2504)
[  794.362874][T15493]  ? snapshot_read.cold (user.c:?)
[  794.362876][T15493]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  794.362879][T15493]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  794.362882][T15493]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  794.362884][T15493]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  794.362887][T15493]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  794.362890][T15493]  ? netdev_notice (net/core/dev.c:13194)
[  794.362892][T15493]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  794.362894][T15493]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  794.362897][T15493]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  794.362899][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362900][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362901][T15493]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  794.362902][T15493]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  794.362904][T15493]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  794.362905][T15493]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  794.362907][T15493]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  794.362909][T15493]  ? register_netdev (net/core/dev.c:11618)
[  794.362910][T15493]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  794.362912][T15493]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  794.362915][T15493]  ? __kernel_text_address (kernel/extable.c:79)
[  794.362918][T15493]  ? write_profile (profile.c:?)
[  794.362921][T15493]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  794.362925][T15493]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  794.362927][T15493]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  794.362929][T15493]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  794.362930][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362931][T15493]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  794.362934][T15493]  ? kasan_save_stack (mm/kasan/common.c:58)
[  794.362936][T15493]  ? kasan_save_stack (mm/kasan/common.c:57)
[  794.362937][T15493]  ? kasan_save_track (mm/kasan/common.c:78)
[  794.362939][T15493]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  794.362940][T15493]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  794.362941][T15493]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  794.362942][T15493]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  794.362944][T15493]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  794.362947][T15493]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  794.362949][T15493]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  794.362950][T15493]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  794.362953][T15493]  ? ____sys_sendmsg (net/socket.c:2713)
[  794.362954][T15493]  ? ___sys_sendmsg (net/socket.c:2767)
[  794.362956][T15493]  ? __sys_sendmsg (net/socket.c:2799)
[  794.362958][T15493]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  794.362961][T15493]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  794.362963][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362965][T15493]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  794.362966][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362967][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362969][T15493]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  794.362970][T15493]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  794.362972][T15493]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  794.362973][T15493]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  794.362975][T15493]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  794.362976][T15493]  ? nla_get_range_signed (lib/nlattr.c:270)
[  794.362979][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362981][T15493]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  794.362983][T15493]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  794.362985][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362987][T15493]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  794.362988][T15493]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  794.362990][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362991][T15493]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  794.362994][T15493]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  794.362995][T15493]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  794.362997][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.362998][T15493]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  794.363001][T15493]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  794.363004][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.363005][T15493]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  794.363007][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.363008][T15493]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  794.363009][T15493]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  794.363011][T15493]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  794.363013][T15493]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  794.363014][T15493]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  794.363017][T15493]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  794.363019][T15493]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  794.363020][T15493]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  794.363022][T15493]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  794.363024][T15493]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  794.363027][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.363028][T15493]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  794.363031][T15493]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  794.363033][T15493]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  794.363035][T15493]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  794.363037][T15493]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  794.363039][T15493]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  794.363041][T15493]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  794.363043][T15493]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  794.363045][T15493]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  794.363048][T15493]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  794.363050][T15493]  ____sys_sendmsg (net/socket.c:2713)
[  794.363052][T15493]  ? copy_msghdr_from_user (net/socket.c:2650)
[  794.363054][T15493]  ? sock_write_iter (net/socket.c:1269)
[  794.363055][T15493]  ? move_addr_to_kernel (net/socket.c:258)
[  794.363057][T15493]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  794.363060][T15493]  ___sys_sendmsg (net/socket.c:2767)
[  794.363062][T15493]  ? copy_msghdr_from_user (net/socket.c:2619)
[  794.363067][T15493]  __sys_sendmsg (net/socket.c:2799)
[  794.363069][T15493]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  794.363072][T15493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  794.363074][T15493]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  794.363076][T15493]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  794.363078][T15493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  794.363079][T15493] RIP: 0033:0x7f71e8e5254e
[  794.363082][T15493] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  794.363084][T15493] RSP: 002b:00007ffe5ac1ec40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  794.363087][T15493] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f71e8e5254e
[  794.363089][T15493] RDX: 0000000000000000 RSI: 00007ffe5ac1ecf0 RDI: 0000000000000005
[  794.363090][T15493] RBP: 00007ffe5ac1ec50 R08: 0000000000000000 R09: 0000000000000000
[  794.363091][T15493] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912843
[  794.363092][T15493] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5ac1f3b0
| [  796.004507][T15567] softirqs last disabled at (0): 0x0
| [  796.004509][T15567] Preemption disabled at:
| [  796.004510][T15567] vprintk_emit (kernel/printk/printk.c:2471)
| [  796.004521][T15567] Tainted: [W]=WARN
[  796.004522][T15567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  796.004524][T15567] Call Trace:
[  796.004526][T15567]  <TASK>
[  796.004527][T15567]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  796.004534][T15567]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  796.004535][T15567]  __might_resched.cold (kernel/sched/core.c:9234)
[  796.004539][T15567]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  796.004541][T15567]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  796.004545][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004548][T15567]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  796.004551][T15567]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  796.004554][T15567]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  796.004560][T15567]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  796.004562][T15567]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  796.004565][T15567]  put_chars (drivers/char/virtio_console.c:1176)
[  796.004567][T15567]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  796.004569][T15567]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  796.004571][T15567]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  796.004576][T15567]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  796.004578][T15567]  ? vsnprintf (lib/vsprintf.c:2900)
[  796.004582][T15567]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  796.004584][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004585][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004587][T15567]  console_emit_next_record (kernel/printk/printk.c:3183)
[  796.004590][T15567]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  796.004593][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004594][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004595][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004596][T15567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.004599][T15567]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  796.004601][T15567]  console_flush_one_record (kernel/printk/printk.c:3268)
[  796.004603][T15567]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  796.004607][T15567]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  796.004609][T15567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.004610][T15567]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  796.004612][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004613][T15567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  796.004615][T15567]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  796.004617][T15567]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  796.004618][T15567]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  796.004621][T15567]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  796.004622][T15567]  vprintk_emit (kernel/printk/printk.c:2479)
[  796.004624][T15567]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  796.004626][T15567]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  796.004628][T15567]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  796.004631][T15567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.004633][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004635][T15567]  _printk (kernel/printk/printk.c:2504)
[  796.004638][T15567]  ? snapshot_read.cold (user.c:?)
[  796.004640][T15567]  ? br_multicast_flood (??:?)
[  796.004644][T15567]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  796.004647][T15567]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  796.004648][T15567]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  796.004651][T15567]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  796.004654][T15567]  br_init_port (net/bridge/br_stp_if.c:39)
[  796.004656][T15567]  new_nbp (net/bridge/br_if.c:449)
[  796.004658][T15567]  br_add_if (net/bridge/br_if.c:592)
[  796.004661][T15567]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  796.004665][T15567]  do_set_master (net/core/rtnetlink.c:3071)
[  796.004667][T15567]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  796.004669][T15567]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  796.004671][T15567]  ? __dev_get_by_name (net/core/dev.c:905)
[  796.004673][T15567]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  796.004677][T15567]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  796.004680][T15567]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  796.004682][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004683][T15567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  796.004685][T15567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.004686][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004688][T15567]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  796.004691][T15567]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  796.004693][T15567]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  796.004695][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004697][T15567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.004698][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004699][T15567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  796.004701][T15567]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  796.004703][T15567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  796.004704][T15567]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  796.004706][T15567]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  796.004710][T15567]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  796.004714][T15567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  796.004715][T15567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  796.004717][T15567]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  796.004719][T15567]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  796.004722][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004723][T15567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  796.004725][T15567]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  796.004727][T15567]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  796.004730][T15567]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  796.004732][T15567]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  796.004736][T15567]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  796.004738][T15567]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  796.004740][T15567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.004742][T15567]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  796.004745][T15567]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  796.004748][T15567]  ____sys_sendmsg (net/socket.c:2713)
[  796.004750][T15567]  ? copy_msghdr_from_user (net/socket.c:2650)
[  796.004752][T15567]  ? sock_write_iter (net/socket.c:1269)
[  796.004754][T15567]  ? move_addr_to_kernel (net/socket.c:258)
[  796.004756][T15567]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  796.004759][T15567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  796.004761][T15567]  ___sys_sendmsg (net/socket.c:2767)
[  796.004763][T15567]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  796.004765][T15567]  ? copy_msghdr_from_user (net/socket.c:2619)
[  796.004766][T15567]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  796.004772][T15567]  __sys_sendmsg (net/socket.c:2799)
[  796.004774][T15567]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  796.004777][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004778][T15567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  796.004780][T15567]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  796.004782][T15567]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  796.004784][T15567]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  796.004786][T15567] RIP: 0033:0x7fa33f11154e
[  796.004788][T15567] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  796.004791][T15567] RSP: 002b:00007ffd77c8d810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  796.004794][T15567] RAX: ffffffffffffffda RBX: 00007ffd77c8dfd8 RCX: 00007fa33f11154e
[  796.004796][T15567] RDX: 0000000000000000 RSI: 00007ffd77c8d8c0 RDI: 0000000000000005
[  796.004797][T15567] RBP: 00007ffd77c8d820 R08: 0000000000000000 R09: 0000000000000000
[  796.004798][T15567] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912845
[  796.004799][T15567] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd77c8df90
| [  797.167755][T15606] softirqs last disabled at (0): 0x0
| [  797.167757][T15606] Preemption disabled at:
| [  797.167758][T15606] vprintk_emit (kernel/printk/printk.c:2471)
| [  797.167770][T15606] Tainted: [W]=WARN
[  797.167772][T15606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  797.167773][T15606] Call Trace:
[  797.167775][T15606]  <TASK>
[  797.167776][T15606]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  797.167782][T15606]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  797.167784][T15606]  __might_resched.cold (kernel/sched/core.c:9234)
[  797.167787][T15606]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  797.167791][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.167794][T15606]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  797.167797][T15606]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  797.167800][T15606]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  797.167806][T15606]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  797.167807][T15606]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  797.167811][T15606]  put_chars (drivers/char/virtio_console.c:1176)
[  797.167814][T15606]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  797.167816][T15606]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  797.167819][T15606]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  797.167822][T15606]  ? pointer (lib/vsprintf.c:2577)
[  797.167826][T15606]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  797.167831][T15606]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  797.167833][T15606]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  797.167835][T15606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.167838][T15606]  console_emit_next_record (kernel/printk/printk.c:3183)
[  797.167841][T15606]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  797.167843][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.167844][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.167845][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.167846][T15606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.167848][T15606]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  797.167850][T15606]  console_flush_one_record (kernel/printk/printk.c:3268)
[  797.167853][T15606]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  797.167856][T15606]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  797.167858][T15606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.167860][T15606]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  797.167862][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.167863][T15606]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  797.167866][T15606]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  797.167868][T15606]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  797.167871][T15606]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  797.167873][T15606]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  797.167875][T15606]  vprintk_emit (kernel/printk/printk.c:2479)
[  797.167877][T15606]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  797.167878][T15606]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  797.167880][T15606]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  797.167884][T15606]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  797.167886][T15606]  _printk (kernel/printk/printk.c:2504)
[  797.167889][T15606]  ? snapshot_read.cold (user.c:?)
[  797.167891][T15606]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  797.167894][T15606]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  797.167897][T15606]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  797.167899][T15606]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  797.167903][T15606]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  797.167905][T15606]  ? netdev_notice (net/core/dev.c:13194)
[  797.167907][T15606]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  797.167909][T15606]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  797.167912][T15606]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  797.167914][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.167915][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.167916][T15606]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  797.167918][T15606]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  797.167921][T15606]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  797.167923][T15606]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  797.167926][T15606]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  797.167929][T15606]  ? register_netdev (net/core/dev.c:11618)
[  797.167930][T15606]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  797.167933][T15606]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  797.167937][T15606]  ? __kernel_text_address (kernel/extable.c:79)
[  797.167940][T15606]  ? write_profile (profile.c:?)
[  797.167943][T15606]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  797.167947][T15606]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  797.167949][T15606]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  797.167951][T15606]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  797.167952][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.167954][T15606]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  797.167957][T15606]  ? kasan_save_stack (mm/kasan/common.c:58)
[  797.167959][T15606]  ? kasan_save_stack (mm/kasan/common.c:57)
[  797.167961][T15606]  ? kasan_save_track (mm/kasan/common.c:78)
[  797.167962][T15606]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  797.167963][T15606]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  797.167964][T15606]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  797.167966][T15606]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  797.167967][T15606]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  797.167970][T15606]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  797.167972][T15606]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  797.167974][T15606]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  797.167978][T15606]  ? ____sys_sendmsg (net/socket.c:2713)
[  797.167980][T15606]  ? ___sys_sendmsg (net/socket.c:2767)
[  797.167982][T15606]  ? __sys_sendmsg (net/socket.c:2799)
[  797.167985][T15606]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  797.167987][T15606]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  797.167990][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.167991][T15606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.167993][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.167994][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.167995][T15606]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  797.167997][T15606]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  797.167998][T15606]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  797.167999][T15606]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  797.168001][T15606]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  797.168002][T15606]  ? nla_get_range_signed (lib/nlattr.c:270)
[  797.168006][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.168007][T15606]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  797.168009][T15606]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  797.168011][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.168013][T15606]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  797.168014][T15606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.168016][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.168017][T15606]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  797.168020][T15606]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  797.168021][T15606]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  797.168023][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.168024][T15606]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  797.168027][T15606]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  797.168030][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.168031][T15606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.168033][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.168034][T15606]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  797.168036][T15606]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  797.168039][T15606]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  797.168042][T15606]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  797.168044][T15606]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  797.168046][T15606]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  797.168048][T15606]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  797.168050][T15606]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  797.168052][T15606]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  797.168053][T15606]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  797.168057][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.168058][T15606]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  797.168060][T15606]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  797.168063][T15606]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  797.168064][T15606]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  797.168067][T15606]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  797.168069][T15606]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  797.168070][T15606]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  797.168072][T15606]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  797.168074][T15606]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  797.168077][T15606]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  797.168079][T15606]  ____sys_sendmsg (net/socket.c:2713)
[  797.168082][T15606]  ? copy_msghdr_from_user (net/socket.c:2650)
[  797.168085][T15606]  ? sock_write_iter (net/socket.c:1269)
[  797.168087][T15606]  ? move_addr_to_kernel (net/socket.c:258)
[  797.168090][T15606]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  797.168093][T15606]  ___sys_sendmsg (net/socket.c:2767)
[  797.168095][T15606]  ? copy_msghdr_from_user (net/socket.c:2619)
[  797.168103][T15606]  __sys_sendmsg (net/socket.c:2799)
[  797.168105][T15606]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  797.168108][T15606]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  797.168110][T15606]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  797.168112][T15606]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  797.168114][T15606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  797.168116][T15606] RIP: 0033:0x7fc15d92c54e
[  797.168118][T15606] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  797.168120][T15606] RSP: 002b:00007ffca204aa70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  797.168124][T15606] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc15d92c54e
[  797.168126][T15606] RDX: 0000000000000000 RSI: 00007ffca204ab20 RDI: 0000000000000005
[  797.168127][T15606] RBP: 00007ffca204aa80 R08: 0000000000000000 R09: 0000000000000000
[  797.168128][T15606] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912846
[  797.168129][T15606] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca204b1e0
| [  798.764619][T15656] softirqs last disabled at (0): 0x0
| [  798.764621][T15656] Preemption disabled at:
| [  798.764623][T15656] vprintk_emit (kernel/printk/printk.c:2471)
| [  798.764637][T15656] Tainted: [W]=WARN
[  798.764638][T15656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  798.764641][T15656] Call Trace:
[  798.764643][T15656]  <TASK>
[  798.764645][T15656]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  798.764653][T15656]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  798.764655][T15656]  __might_resched.cold (kernel/sched/core.c:9234)
[  798.764660][T15656]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  798.764663][T15656]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  798.764668][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764671][T15656]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  798.764675][T15656]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  798.764679][T15656]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  798.764686][T15656]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  798.764689][T15656]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  798.764693][T15656]  put_chars (drivers/char/virtio_console.c:1176)
[  798.764696][T15656]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  798.764699][T15656]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  798.764704][T15656]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  798.764711][T15656]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  798.764713][T15656]  ? vsnprintf (lib/vsprintf.c:2900)
[  798.764718][T15656]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  798.764721][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764723][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764726][T15656]  console_emit_next_record (kernel/printk/printk.c:3183)
[  798.764731][T15656]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  798.764734][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764736][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764738][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764740][T15656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  798.764744][T15656]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  798.764747][T15656]  console_flush_one_record (kernel/printk/printk.c:3268)
[  798.764751][T15656]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  798.764755][T15656]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  798.764758][T15656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  798.764761][T15656]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  798.764764][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764766][T15656]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  798.764768][T15656]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  798.764771][T15656]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  798.764774][T15656]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  798.764777][T15656]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  798.764779][T15656]  vprintk_emit (kernel/printk/printk.c:2479)
[  798.764783][T15656]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  798.764785][T15656]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  798.764788][T15656]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  798.764791][T15656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  798.764794][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764797][T15656]  _printk (kernel/printk/printk.c:2504)
[  798.764801][T15656]  ? snapshot_read.cold (user.c:?)
[  798.764805][T15656]  ? br_multicast_flood (??:?)
[  798.764809][T15656]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  798.764813][T15656]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  798.764815][T15656]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  798.764818][T15656]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  798.764823][T15656]  br_init_port (net/bridge/br_stp_if.c:39)
[  798.764826][T15656]  new_nbp (net/bridge/br_if.c:449)
[  798.764829][T15656]  br_add_if (net/bridge/br_if.c:592)
[  798.764832][T15656]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  798.764838][T15656]  do_set_master (net/core/rtnetlink.c:3071)
[  798.764842][T15656]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  798.764845][T15656]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  798.764847][T15656]  ? __dev_get_by_name (net/core/dev.c:905)
[  798.764850][T15656]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  798.764857][T15656]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  798.764861][T15656]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  798.764865][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764867][T15656]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  798.764869][T15656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  798.764872][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764875][T15656]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  798.764879][T15656]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  798.764882][T15656]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  798.764886][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764888][T15656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  798.764891][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764893][T15656]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  798.764896][T15656]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  798.764899][T15656]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  798.764902][T15656]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  798.764905][T15656]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  798.764910][T15656]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  798.764915][T15656]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  798.764917][T15656]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  798.764920][T15656]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  798.764923][T15656]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  798.764927][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.764930][T15656]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  798.764933][T15656]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  798.764937][T15656]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  798.764940][T15656]  ? next_uptodate_folio (mm/filemap.c:3747)
[  798.764945][T15656]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  798.764949][T15656]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  798.764952][T15656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  798.764955][T15656]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  798.764960][T15656]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  798.764964][T15656]  ____sys_sendmsg (net/socket.c:2713)
[  798.764967][T15656]  ? copy_msghdr_from_user (net/socket.c:2650)
[  798.764970][T15656]  ? sock_write_iter (net/socket.c:1269)
[  798.764973][T15656]  ? move_addr_to_kernel (net/socket.c:258)
[  798.764976][T15656]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  798.764980][T15656]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  798.764983][T15656]  ___sys_sendmsg (net/socket.c:2767)
[  798.764986][T15656]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  798.764989][T15656]  ? copy_msghdr_from_user (net/socket.c:2619)
[  798.764992][T15656]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  798.765000][T15656]  __sys_sendmsg (net/socket.c:2799)
[  798.765004][T15656]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  798.765008][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.765010][T15656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.765013][T15656]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  798.765016][T15656]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  798.765020][T15656]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  798.765023][T15656] RIP: 0033:0x7f524565354e
[  798.765027][T15656] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  798.765030][T15656] RSP: 002b:00007ffd8732dda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  798.765035][T15656] RAX: ffffffffffffffda RBX: 00007ffd8732e568 RCX: 00007f524565354e
[  798.765038][T15656] RDX: 0000000000000000 RSI: 00007ffd8732de50 RDI: 0000000000000005
[  798.765040][T15656] RBP: 00007ffd8732ddb0 R08: 0000000000000000 R09: 0000000000000000
[  798.765041][T15656] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912848
[  798.765043][T15656] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8732e520
| [  809.160292][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  809.160295][   T71] Preemption disabled at:
| [  809.160296][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  809.160307][   T71] Tainted: [W]=WARN
[  809.160308][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  809.160310][   T71] Workqueue: netns cleanup_net
[  809.160317][   T71] Call Trace:
[  809.160318][   T71]  <TASK>
[  809.160321][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  809.160327][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  809.160328][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  809.160332][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  809.160334][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  809.160338][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  809.160340][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  809.160343][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  809.160347][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  809.160352][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  809.160354][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  809.160356][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  809.160358][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  809.160360][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  809.160363][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  809.160368][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  809.160370][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  809.160373][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  809.160375][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  809.160376][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  809.160378][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  809.160381][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  809.160383][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  809.160384][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  809.160386][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  809.160387][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  809.160389][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  809.160391][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  809.160394][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  809.160406][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  809.160408][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  809.160410][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  809.160412][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  809.160413][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  809.160415][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  809.160417][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  809.160418][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  809.160420][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  809.160422][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  809.160424][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  809.160425][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  809.160427][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  809.160430][   T71]  ? kthread (kernel/kthread.c:436)
[  809.160432][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  809.160435][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  809.160438][   T71]  _printk (kernel/printk/printk.c:2504)
[  809.160441][   T71]  ? snapshot_read.cold (user.c:?)
[  809.160443][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  809.160447][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  809.160449][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  809.160452][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  809.160454][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  809.160456][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  809.160457][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  809.160461][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  809.160462][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  809.160464][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  809.160466][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  809.160469][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  809.160473][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  809.160476][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  809.160478][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  809.160481][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  809.160483][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  809.160486][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  809.160488][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  809.160490][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  809.160492][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  809.160494][   T71]  process_one_work (kernel/workqueue.c:3387)
[  809.160497][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  809.160500][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  809.160502][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  809.160505][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  809.160507][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  809.160509][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  809.160511][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  809.160513][   T71]  kthread (kernel/kthread.c:436)
[  809.160515][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  809.160517][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  809.160519][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  809.160521][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  809.160523][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  809.160526][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  809.160528][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  810.876911][T15913] softirqs last disabled at (0): 0x0
| [  810.876913][T15913] Preemption disabled at:
| [  810.876915][T15913] vprintk_emit (kernel/printk/printk.c:2471)
| [  810.876929][T15913] Tainted: [W]=WARN
[  810.876930][T15913] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  810.876933][T15913] Call Trace:
[  810.876935][T15913]  <TASK>
[  810.876937][T15913]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  810.876944][T15913]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  810.876946][T15913]  __might_resched.cold (kernel/sched/core.c:9234)
[  810.876950][T15913]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  810.876954][T15913]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  810.876958][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.876962][T15913]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  810.876965][T15913]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  810.876969][T15913]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  810.876976][T15913]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  810.876979][T15913]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  810.876983][T15913]  put_chars (drivers/char/virtio_console.c:1176)
[  810.876986][T15913]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  810.876989][T15913]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  810.876993][T15913]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  810.877000][T15913]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  810.877003][T15913]  ? vsnprintf (lib/vsprintf.c:2900)
[  810.877007][T15913]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  810.877010][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877012][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877015][T15913]  console_emit_next_record (kernel/printk/printk.c:3183)
[  810.877019][T15913]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  810.877023][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877025][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877027][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877029][T15913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.877032][T15913]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  810.877035][T15913]  console_flush_one_record (kernel/printk/printk.c:3268)
[  810.877039][T15913]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  810.877043][T15913]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  810.877046][T15913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.877049][T15913]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  810.877052][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877054][T15913]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  810.877056][T15913]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  810.877059][T15913]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  810.877061][T15913]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  810.877065][T15913]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  810.877067][T15913]  vprintk_emit (kernel/printk/printk.c:2479)
[  810.877070][T15913]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  810.877073][T15913]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  810.877075][T15913]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  810.877079][T15913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.877082][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877085][T15913]  _printk (kernel/printk/printk.c:2504)
[  810.877089][T15913]  ? snapshot_read.cold (user.c:?)
[  810.877092][T15913]  ? br_multicast_flood (??:?)
[  810.877097][T15913]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  810.877100][T15913]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  810.877102][T15913]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  810.877106][T15913]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  810.877111][T15913]  br_init_port (net/bridge/br_stp_if.c:39)
[  810.877113][T15913]  new_nbp (net/bridge/br_if.c:449)
[  810.877117][T15913]  br_add_if (net/bridge/br_if.c:592)
[  810.877120][T15913]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  810.877126][T15913]  do_set_master (net/core/rtnetlink.c:3071)
[  810.877129][T15913]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  810.877132][T15913]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  810.877134][T15913]  ? __dev_get_by_name (net/core/dev.c:905)
[  810.877137][T15913]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  810.877144][T15913]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  810.877148][T15913]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  810.877151][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877154][T15913]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  810.877156][T15913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.877159][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877161][T15913]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  810.877165][T15913]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  810.877168][T15913]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  810.877171][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877174][T15913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.877176][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877179][T15913]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  810.877181][T15913]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  810.877184][T15913]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  810.877187][T15913]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  810.877189][T15913]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  810.877199][T15913]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  810.877203][T15913]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  810.877206][T15913]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  810.877209][T15913]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  810.877212][T15913]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  810.877217][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877220][T15913]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  810.877223][T15913]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  810.877227][T15913]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  810.877230][T15913]  ? next_uptodate_folio (mm/filemap.c:3747)
[  810.877235][T15913]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  810.877239][T15913]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  810.877242][T15913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.877245][T15913]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  810.877250][T15913]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  810.877254][T15913]  ____sys_sendmsg (net/socket.c:2713)
[  810.877257][T15913]  ? copy_msghdr_from_user (net/socket.c:2650)
[  810.877260][T15913]  ? sock_write_iter (net/socket.c:1269)
[  810.877262][T15913]  ? move_addr_to_kernel (net/socket.c:258)
[  810.877266][T15913]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  810.877270][T15913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.877274][T15913]  ___sys_sendmsg (net/socket.c:2767)
[  810.877276][T15913]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  810.877279][T15913]  ? copy_msghdr_from_user (net/socket.c:2619)
[  810.877282][T15913]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  810.877291][T15913]  __sys_sendmsg (net/socket.c:2799)
[  810.877294][T15913]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  810.877299][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877301][T15913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.877304][T15913]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  810.877307][T15913]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  810.877311][T15913]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  810.877314][T15913] RIP: 0033:0x7f4871f6454e
[  810.877317][T15913] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  810.877320][T15913] RSP: 002b:00007fff3a203660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  810.877325][T15913] RAX: ffffffffffffffda RBX: 00007fff3a203e28 RCX: 00007f4871f6454e
[  810.877328][T15913] RDX: 0000000000000000 RSI: 00007fff3a203710 RDI: 0000000000000005
[  810.877330][T15913] RBP: 00007fff3a203670 R08: 0000000000000000 R09: 0000000000000000
[  810.877331][T15913] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912854
[  810.877333][T15913] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3a203de0
| [  812.923558][T15980] softirqs last disabled at (0): 0x0
| [  812.923561][T15980] Preemption disabled at:
| [  812.923562][T15980] vprintk_emit (kernel/printk/printk.c:2471)
| [  812.923574][T15980] Tainted: [W]=WARN
[  812.923575][T15980] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  812.923577][T15980] Call Trace:
[  812.923579][T15980]  <TASK>
[  812.923581][T15980]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  812.923587][T15980]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  812.923589][T15980]  __might_resched.cold (kernel/sched/core.c:9234)
[  812.923594][T15980]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  812.923598][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923602][T15980]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  812.923605][T15980]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  812.923609][T15980]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  812.923615][T15980]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  812.923617][T15980]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  812.923621][T15980]  put_chars (drivers/char/virtio_console.c:1176)
[  812.923623][T15980]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  812.923625][T15980]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  812.923628][T15980]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  812.923631][T15980]  ? pointer (lib/vsprintf.c:2577)
[  812.923635][T15980]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  812.923641][T15980]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  812.923644][T15980]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  812.923646][T15980]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.923650][T15980]  console_emit_next_record (kernel/printk/printk.c:3183)
[  812.923654][T15980]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  812.923657][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923659][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923660][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923662][T15980]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.923665][T15980]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  812.923667][T15980]  console_flush_one_record (kernel/printk/printk.c:3268)
[  812.923670][T15980]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  812.923674][T15980]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  812.923677][T15980]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.923679][T15980]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  812.923681][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923683][T15980]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  812.923685][T15980]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  812.923687][T15980]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  812.923690][T15980]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  812.923692][T15980]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  812.923695][T15980]  vprintk_emit (kernel/printk/printk.c:2479)
[  812.923697][T15980]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  812.923699][T15980]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  812.923703][T15980]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  812.923706][T15980]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  812.923710][T15980]  _printk (kernel/printk/printk.c:2504)
[  812.923714][T15980]  ? snapshot_read.cold (user.c:?)
[  812.923716][T15980]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  812.923719][T15980]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  812.923723][T15980]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  812.923726][T15980]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  812.923730][T15980]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  812.923736][T15980]  ? netdev_notice (net/core/dev.c:13194)
[  812.923739][T15980]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  812.923741][T15980]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  812.923745][T15980]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  812.923747][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923749][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923750][T15980]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  812.923752][T15980]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  812.923755][T15980]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  812.923757][T15980]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  812.923759][T15980]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  812.923761][T15980]  ? register_netdev (net/core/dev.c:11618)
[  812.923763][T15980]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  812.923766][T15980]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  812.923769][T15980]  ? __kernel_text_address (kernel/extable.c:79)
[  812.923772][T15980]  ? write_profile (profile.c:?)
[  812.923776][T15980]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  812.923781][T15980]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  812.923784][T15980]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  812.923786][T15980]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  812.923788][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923789][T15980]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  812.923794][T15980]  ? kasan_save_stack (mm/kasan/common.c:58)
[  812.923796][T15980]  ? kasan_save_stack (mm/kasan/common.c:57)
[  812.923798][T15980]  ? kasan_save_track (mm/kasan/common.c:78)
[  812.923799][T15980]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  812.923801][T15980]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  812.923803][T15980]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  812.923804][T15980]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  812.923806][T15980]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  812.923810][T15980]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  812.923812][T15980]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  812.923814][T15980]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  812.923817][T15980]  ? ____sys_sendmsg (net/socket.c:2713)
[  812.923819][T15980]  ? ___sys_sendmsg (net/socket.c:2767)
[  812.923821][T15980]  ? __sys_sendmsg (net/socket.c:2799)
[  812.923823][T15980]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  812.923826][T15980]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  812.923829][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923831][T15980]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.923833][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923835][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923836][T15980]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  812.923838][T15980]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  812.923840][T15980]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  812.923842][T15980]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  812.923844][T15980]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  812.923846][T15980]  ? nla_get_range_signed (lib/nlattr.c:270)
[  812.923850][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923852][T15980]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  812.923855][T15980]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  812.923858][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923859][T15980]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  812.923861][T15980]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.923863][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923865][T15980]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  812.923868][T15980]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  812.923870][T15980]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  812.923872][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923874][T15980]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  812.923878][T15980]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  812.923881][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923882][T15980]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.923884][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923886][T15980]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  812.923888][T15980]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  812.923890][T15980]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  812.923892][T15980]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  812.923894][T15980]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  812.923898][T15980]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  812.923900][T15980]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  812.923902][T15980]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  812.923904][T15980]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  812.923906][T15980]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  812.923911][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923912][T15980]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  812.923915][T15980]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  812.923918][T15980]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  812.923921][T15980]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  812.923924][T15980]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  812.923927][T15980]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  812.923929][T15980]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  812.923931][T15980]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  812.923933][T15980]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  812.923938][T15980]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  812.923940][T15980]  ____sys_sendmsg (net/socket.c:2713)
[  812.923943][T15980]  ? copy_msghdr_from_user (net/socket.c:2650)
[  812.923945][T15980]  ? sock_write_iter (net/socket.c:1269)
[  812.923947][T15980]  ? move_addr_to_kernel (net/socket.c:258)
[  812.923949][T15980]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  812.923953][T15980]  ___sys_sendmsg (net/socket.c:2767)
[  812.923955][T15980]  ? copy_msghdr_from_user (net/socket.c:2619)
[  812.923963][T15980]  __sys_sendmsg (net/socket.c:2799)
[  812.923965][T15980]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  812.923969][T15980]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  812.923971][T15980]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  812.923974][T15980]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  812.923976][T15980]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  812.923978][T15980] RIP: 0033:0x7f34a71c654e
[  812.923981][T15980] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  812.923983][T15980] RSP: 002b:00007fff0b900da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  812.923987][T15980] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f34a71c654e
[  812.923989][T15980] RDX: 0000000000000000 RSI: 00007fff0b900e50 RDI: 0000000000000005
[  812.923990][T15980] RBP: 00007fff0b900db0 R08: 0000000000000000 R09: 0000000000000000
[  812.923991][T15980] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912856
[  812.923993][T15980] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0b901510
| [  814.520481][T16039] softirqs last disabled at (0): 0x0
| [  814.520483][T16039] Preemption disabled at:
| [  814.520484][T16039] vprintk_emit (kernel/printk/printk.c:2471)
| [  814.520495][T16039] Tainted: [W]=WARN
[  814.520496][T16039] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  814.520498][T16039] Call Trace:
[  814.520500][T16039]  <TASK>
[  814.520501][T16039]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  814.520508][T16039]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  814.520510][T16039]  __might_resched.cold (kernel/sched/core.c:9234)
[  814.520514][T16039]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  814.520517][T16039]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  814.520520][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520523][T16039]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  814.520526][T16039]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  814.520529][T16039]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  814.520534][T16039]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  814.520536][T16039]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  814.520539][T16039]  put_chars (drivers/char/virtio_console.c:1176)
[  814.520541][T16039]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  814.520543][T16039]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  814.520546][T16039]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  814.520551][T16039]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  814.520554][T16039]  ? vsnprintf (lib/vsprintf.c:2900)
[  814.520558][T16039]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  814.520560][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520561][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520563][T16039]  console_emit_next_record (kernel/printk/printk.c:3183)
[  814.520566][T16039]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  814.520569][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520570][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520571][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520572][T16039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.520575][T16039]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  814.520577][T16039]  console_flush_one_record (kernel/printk/printk.c:3268)
[  814.520580][T16039]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  814.520582][T16039]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  814.520584][T16039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.520586][T16039]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  814.520588][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520589][T16039]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  814.520591][T16039]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  814.520593][T16039]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  814.520594][T16039]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  814.520596][T16039]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  814.520598][T16039]  vprintk_emit (kernel/printk/printk.c:2479)
[  814.520600][T16039]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  814.520602][T16039]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  814.520605][T16039]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  814.520609][T16039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.520610][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520612][T16039]  _printk (kernel/printk/printk.c:2504)
[  814.520615][T16039]  ? snapshot_read.cold (user.c:?)
[  814.520618][T16039]  ? br_multicast_flood (??:?)
[  814.520621][T16039]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  814.520624][T16039]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  814.520625][T16039]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  814.520627][T16039]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  814.520631][T16039]  br_init_port (net/bridge/br_stp_if.c:39)
[  814.520633][T16039]  new_nbp (net/bridge/br_if.c:449)
[  814.520635][T16039]  br_add_if (net/bridge/br_if.c:592)
[  814.520637][T16039]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  814.520641][T16039]  do_set_master (net/core/rtnetlink.c:3071)
[  814.520643][T16039]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  814.520645][T16039]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  814.520647][T16039]  ? __dev_get_by_name (net/core/dev.c:905)
[  814.520649][T16039]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  814.520653][T16039]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  814.520656][T16039]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  814.520658][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520659][T16039]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  814.520660][T16039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.520662][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520664][T16039]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  814.520666][T16039]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  814.520668][T16039]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  814.520671][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520672][T16039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.520674][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520675][T16039]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  814.520676][T16039]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  814.520678][T16039]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  814.520680][T16039]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  814.520682][T16039]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  814.520686][T16039]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  814.520689][T16039]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  814.520690][T16039]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  814.520692][T16039]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  814.520693][T16039]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  814.520697][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520698][T16039]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  814.520700][T16039]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  814.520702][T16039]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  814.520704][T16039]  ? next_uptodate_folio (mm/filemap.c:3747)
[  814.520708][T16039]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  814.520710][T16039]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  814.520712][T16039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.520714][T16039]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  814.520718][T16039]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  814.520721][T16039]  ____sys_sendmsg (net/socket.c:2713)
[  814.520723][T16039]  ? copy_msghdr_from_user (net/socket.c:2650)
[  814.520725][T16039]  ? sock_write_iter (net/socket.c:1269)
[  814.520726][T16039]  ? move_addr_to_kernel (net/socket.c:258)
[  814.520728][T16039]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  814.520731][T16039]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.520733][T16039]  ___sys_sendmsg (net/socket.c:2767)
[  814.520735][T16039]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  814.520736][T16039]  ? copy_msghdr_from_user (net/socket.c:2619)
[  814.520738][T16039]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  814.520743][T16039]  __sys_sendmsg (net/socket.c:2799)
[  814.520745][T16039]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  814.520748][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520749][T16039]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.520751][T16039]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  814.520754][T16039]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  814.520756][T16039]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  814.520758][T16039] RIP: 0033:0x7fe06982154e
[  814.520760][T16039] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  814.520762][T16039] RSP: 002b:00007ffe9db69de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  814.520766][T16039] RAX: ffffffffffffffda RBX: 00007ffe9db6a5a8 RCX: 00007fe06982154e
[  814.520768][T16039] RDX: 0000000000000000 RSI: 00007ffe9db69e90 RDI: 0000000000000005
[  814.520769][T16039] RBP: 00007ffe9db69df0 R08: 0000000000000000 R09: 0000000000000000
[  814.520770][T16039] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912857
[  814.520771][T16039] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9db6a560
| [  821.427949][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  821.427951][   T71] Preemption disabled at:
| [  821.427952][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  821.427964][   T71] Tainted: [W]=WARN
[  821.427965][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  821.427967][   T71] Workqueue: netns cleanup_net
[  821.427973][   T71] Call Trace:
[  821.427975][   T71]  <TASK>
[  821.427977][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  821.427983][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  821.427984][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  821.427988][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  821.427990][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  821.427994][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  821.427997][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  821.428000][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  821.428003][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  821.428008][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  821.428010][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  821.428013][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  821.428015][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  821.428016][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  821.428019][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  821.428025][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  821.428026][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  821.428029][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  821.428031][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  821.428032][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  821.428034][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  821.428037][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  821.428039][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  821.428041][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  821.428042][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  821.428043][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  821.428046][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  821.428048][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  821.428050][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  821.428053][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  821.428055][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  821.428057][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  821.428059][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  821.428060][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  821.428062][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  821.428064][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  821.428065][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  821.428068][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  821.428070][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  821.428071][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  821.428073][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  821.428075][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  821.428077][   T71]  ? kthread (kernel/kthread.c:436)
[  821.428080][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  821.428083][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  821.428085][   T71]  _printk (kernel/printk/printk.c:2504)
[  821.428089][   T71]  ? snapshot_read.cold (user.c:?)
[  821.428091][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  821.428095][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  821.428097][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  821.428099][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  821.428102][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  821.428103][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  821.428104][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  821.428108][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  821.428109][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  821.428111][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  821.428113][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  821.428116][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  821.428120][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  821.428122][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  821.428125][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  821.428127][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  821.428129][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  821.428132][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  821.428134][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  821.428136][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  821.428138][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  821.428139][   T71]  process_one_work (kernel/workqueue.c:3387)
[  821.428142][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  821.428145][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  821.428148][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  821.428150][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  821.428152][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  821.428154][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  821.428156][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  821.428158][   T71]  kthread (kernel/kthread.c:436)
[  821.428160][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  821.428162][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  821.428164][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  821.428166][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  821.428168][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  821.428171][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  821.428173][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  823.032219][T16191] softirqs last disabled at (0): 0x0
| [  823.032222][T16191] Preemption disabled at:
| [  823.032223][T16191] vprintk_emit (kernel/printk/printk.c:2471)
| [  823.032236][T16191] Tainted: [W]=WARN
[  823.032238][T16191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  823.032240][T16191] Call Trace:
[  823.032242][T16191]  <TASK>
[  823.032244][T16191]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  823.032251][T16191]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  823.032253][T16191]  __might_resched.cold (kernel/sched/core.c:9234)
[  823.032258][T16191]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  823.032261][T16191]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  823.032265][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032270][T16191]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  823.032274][T16191]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  823.032277][T16191]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  823.032284][T16191]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  823.032287][T16191]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  823.032291][T16191]  put_chars (drivers/char/virtio_console.c:1176)
[  823.032294][T16191]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  823.032297][T16191]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  823.032302][T16191]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  823.032308][T16191]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  823.032311][T16191]  ? vsnprintf (lib/vsprintf.c:2900)
[  823.032315][T16191]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  823.032318][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032320][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032323][T16191]  console_emit_next_record (kernel/printk/printk.c:3183)
[  823.032327][T16191]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  823.032331][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032333][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032334][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032337][T16191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  823.032340][T16191]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  823.032343][T16191]  console_flush_one_record (kernel/printk/printk.c:3268)
[  823.032347][T16191]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  823.032352][T16191]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  823.032355][T16191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  823.032358][T16191]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  823.032361][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032363][T16191]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  823.032366][T16191]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  823.032368][T16191]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  823.032371][T16191]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  823.032374][T16191]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  823.032377][T16191]  vprintk_emit (kernel/printk/printk.c:2479)
[  823.032380][T16191]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  823.032382][T16191]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  823.032384][T16191]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  823.032388][T16191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  823.032391][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032393][T16191]  _printk (kernel/printk/printk.c:2504)
[  823.032397][T16191]  ? snapshot_read.cold (user.c:?)
[  823.032400][T16191]  ? br_multicast_flood (??:?)
[  823.032405][T16191]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  823.032408][T16191]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  823.032410][T16191]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  823.032414][T16191]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  823.032418][T16191]  br_init_port (net/bridge/br_stp_if.c:39)
[  823.032421][T16191]  new_nbp (net/bridge/br_if.c:449)
[  823.032424][T16191]  br_add_if (net/bridge/br_if.c:592)
[  823.032427][T16191]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  823.032433][T16191]  do_set_master (net/core/rtnetlink.c:3071)
[  823.032436][T16191]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  823.032440][T16191]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  823.032442][T16191]  ? __dev_get_by_name (net/core/dev.c:905)
[  823.032445][T16191]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  823.032451][T16191]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  823.032455][T16191]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  823.032459][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032461][T16191]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  823.032464][T16191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  823.032466][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032469][T16191]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  823.032473][T16191]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  823.032476][T16191]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  823.032479][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032481][T16191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  823.032484][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032486][T16191]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  823.032488][T16191]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  823.032496][T16191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  823.032498][T16191]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  823.032500][T16191]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  823.032506][T16191]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  823.032510][T16191]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  823.032512][T16191]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  823.032515][T16191]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  823.032517][T16191]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  823.032522][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032524][T16191]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  823.032527][T16191]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  823.032531][T16191]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  823.032534][T16191]  ? next_uptodate_folio (mm/filemap.c:3747)
[  823.032538][T16191]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  823.032542][T16191]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  823.032545][T16191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  823.032548][T16191]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  823.032552][T16191]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  823.032556][T16191]  ____sys_sendmsg (net/socket.c:2713)
[  823.032559][T16191]  ? copy_msghdr_from_user (net/socket.c:2650)
[  823.032562][T16191]  ? sock_write_iter (net/socket.c:1269)
[  823.032564][T16191]  ? move_addr_to_kernel (net/socket.c:258)
[  823.032568][T16191]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  823.032571][T16191]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  823.032574][T16191]  ___sys_sendmsg (net/socket.c:2767)
[  823.032577][T16191]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  823.032580][T16191]  ? copy_msghdr_from_user (net/socket.c:2619)
[  823.032582][T16191]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  823.032590][T16191]  __sys_sendmsg (net/socket.c:2799)
[  823.032594][T16191]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  823.032598][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032600][T16191]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  823.032603][T16191]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  823.032606][T16191]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  823.032610][T16191]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  823.032613][T16191] RIP: 0033:0x7fa5cac3554e
[  823.032616][T16191] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  823.032619][T16191] RSP: 002b:00007ffcfd63f870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  823.032624][T16191] RAX: ffffffffffffffda RBX: 00007ffcfd640038 RCX: 00007fa5cac3554e
[  823.032626][T16191] RDX: 0000000000000000 RSI: 00007ffcfd63f920 RDI: 0000000000000005
[  823.032628][T16191] RBP: 00007ffcfd63f880 R08: 0000000000000000 R09: 0000000000000000
[  823.032629][T16191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912860
[  823.032631][T16191] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfd63fff0
| [  824.039485][T16221] softirqs last disabled at (0): 0x0
| [  824.039488][T16221] Preemption disabled at:
| [  824.039490][T16221] vprintk_emit (kernel/printk/printk.c:2471)
| [  824.039510][T16221] Tainted: [W]=WARN
[  824.039511][T16221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  824.039514][T16221] Call Trace:
[  824.039516][T16221]  <TASK>
[  824.039518][T16221]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  824.039525][T16221]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  824.039527][T16221]  __might_resched.cold (kernel/sched/core.c:9234)
[  824.039533][T16221]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  824.039536][T16221]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  824.039541][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039544][T16221]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  824.039548][T16221]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  824.039553][T16221]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  824.039559][T16221]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  824.039562][T16221]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  824.039566][T16221]  put_chars (drivers/char/virtio_console.c:1176)
[  824.039569][T16221]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  824.039572][T16221]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  824.039577][T16221]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  824.039583][T16221]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  824.039586][T16221]  ? vsnprintf (lib/vsprintf.c:2900)
[  824.039590][T16221]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  824.039593][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039595][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039598][T16221]  console_emit_next_record (kernel/printk/printk.c:3183)
[  824.039602][T16221]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  824.039606][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039608][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039610][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039612][T16221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  824.039615][T16221]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  824.039618][T16221]  console_flush_one_record (kernel/printk/printk.c:3268)
[  824.039622][T16221]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  824.039627][T16221]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  824.039630][T16221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  824.039633][T16221]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  824.039636][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039639][T16221]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  824.039641][T16221]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  824.039644][T16221]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  824.039647][T16221]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  824.039650][T16221]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  824.039652][T16221]  vprintk_emit (kernel/printk/printk.c:2479)
[  824.039656][T16221]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  824.039658][T16221]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  824.039660][T16221]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  824.039664][T16221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  824.039667][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039670][T16221]  _printk (kernel/printk/printk.c:2504)
[  824.039674][T16221]  ? snapshot_read.cold (user.c:?)
[  824.039678][T16221]  ? br_multicast_flood (??:?)
[  824.039682][T16221]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  824.039686][T16221]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  824.039688][T16221]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  824.039691][T16221]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  824.039695][T16221]  br_init_port (net/bridge/br_stp_if.c:39)
[  824.039698][T16221]  new_nbp (net/bridge/br_if.c:449)
[  824.039701][T16221]  br_add_if (net/bridge/br_if.c:592)
[  824.039704][T16221]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  824.039710][T16221]  do_set_master (net/core/rtnetlink.c:3071)
[  824.039713][T16221]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  824.039716][T16221]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  824.039718][T16221]  ? __dev_get_by_name (net/core/dev.c:905)
[  824.039721][T16221]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  824.039728][T16221]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  824.039732][T16221]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  824.039736][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039738][T16221]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  824.039741][T16221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  824.039743][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039746][T16221]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  824.039750][T16221]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  824.039753][T16221]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  824.039757][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039759][T16221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  824.039761][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039764][T16221]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  824.039766][T16221]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  824.039769][T16221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  824.039772][T16221]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  824.039774][T16221]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  824.039780][T16221]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  824.039784][T16221]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  824.039787][T16221]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  824.039790][T16221]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  824.039792][T16221]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  824.039797][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039800][T16221]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  824.039803][T16221]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  824.039807][T16221]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  824.039810][T16221]  ? next_uptodate_folio (mm/filemap.c:3747)
[  824.039815][T16221]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  824.039818][T16221]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  824.039821][T16221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  824.039823][T16221]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  824.039828][T16221]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  824.039833][T16221]  ____sys_sendmsg (net/socket.c:2713)
[  824.039835][T16221]  ? copy_msghdr_from_user (net/socket.c:2650)
[  824.039838][T16221]  ? sock_write_iter (net/socket.c:1269)
[  824.039841][T16221]  ? move_addr_to_kernel (net/socket.c:258)
[  824.039845][T16221]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  824.039848][T16221]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  824.039852][T16221]  ___sys_sendmsg (net/socket.c:2767)
[  824.039854][T16221]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  824.039857][T16221]  ? copy_msghdr_from_user (net/socket.c:2619)
[  824.039860][T16221]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  824.039868][T16221]  __sys_sendmsg (net/socket.c:2799)
[  824.039872][T16221]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  824.039876][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039878][T16221]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.039880][T16221]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  824.039884][T16221]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  824.039888][T16221]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  824.039891][T16221] RIP: 0033:0x7f17f123454e
[  824.039894][T16221] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  824.039897][T16221] RSP: 002b:00007ffe30cc8c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  824.039902][T16221] RAX: ffffffffffffffda RBX: 00007ffe30cc9448 RCX: 00007f17f123454e
[  824.039904][T16221] RDX: 0000000000000000 RSI: 00007ffe30cc8d30 RDI: 0000000000000005
[  824.039906][T16221] RBP: 00007ffe30cc8c90 R08: 0000000000000000 R09: 0000000000000000
[  824.039907][T16221] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912861
[  824.039909][T16221] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe30cc9400
| [  825.116208][T16260] softirqs last disabled at (0): 0x0
| [  825.116211][T16260] Preemption disabled at:
| [  825.116212][T16260] vprintk_emit (kernel/printk/printk.c:2471)
| [  825.116225][T16260] Tainted: [W]=WARN
[  825.116227][T16260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  825.116230][T16260] Call Trace:
[  825.116232][T16260]  <TASK>
[  825.116234][T16260]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  825.116241][T16260]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  825.116243][T16260]  __might_resched.cold (kernel/sched/core.c:9234)
[  825.116248][T16260]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  825.116253][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116257][T16260]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  825.116261][T16260]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  825.116265][T16260]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  825.116272][T16260]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  825.116274][T16260]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  825.116278][T16260]  put_chars (drivers/char/virtio_console.c:1176)
[  825.116281][T16260]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  825.116283][T16260]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  825.116287][T16260]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  825.116290][T16260]  ? pointer (lib/vsprintf.c:2577)
[  825.116295][T16260]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  825.116302][T16260]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  825.116305][T16260]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  825.116308][T16260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  825.116312][T16260]  console_emit_next_record (kernel/printk/printk.c:3183)
[  825.116316][T16260]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  825.116319][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116321][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116323][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116325][T16260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  825.116329][T16260]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  825.116332][T16260]  console_flush_one_record (kernel/printk/printk.c:3268)
[  825.116336][T16260]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  825.116340][T16260]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  825.116343][T16260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  825.116345][T16260]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  825.116348][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116350][T16260]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  825.116352][T16260]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  825.116355][T16260]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  825.116358][T16260]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  825.116361][T16260]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  825.116363][T16260]  vprintk_emit (kernel/printk/printk.c:2479)
[  825.116366][T16260]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  825.116369][T16260]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  825.116372][T16260]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  825.116376][T16260]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  825.116380][T16260]  _printk (kernel/printk/printk.c:2504)
[  825.116385][T16260]  ? snapshot_read.cold (user.c:?)
[  825.116388][T16260]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  825.116391][T16260]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  825.116395][T16260]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  825.116399][T16260]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  825.116403][T16260]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  825.116406][T16260]  ? netdev_notice (net/core/dev.c:13194)
[  825.116410][T16260]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  825.116412][T16260]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  825.116416][T16260]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  825.116418][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116420][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116423][T16260]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  825.116425][T16260]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  825.116428][T16260]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  825.116430][T16260]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  825.116433][T16260]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  825.116436][T16260]  ? register_netdev (net/core/dev.c:11618)
[  825.116439][T16260]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  825.116442][T16260]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  825.116446][T16260]  ? __kernel_text_address (kernel/extable.c:79)
[  825.116450][T16260]  ? write_profile (profile.c:?)
[  825.116453][T16260]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  825.116458][T16260]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  825.116462][T16260]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  825.116465][T16260]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  825.116467][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116469][T16260]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  825.116475][T16260]  ? kasan_save_stack (mm/kasan/common.c:58)
[  825.116478][T16260]  ? kasan_save_stack (mm/kasan/common.c:57)
[  825.116480][T16260]  ? kasan_save_track (mm/kasan/common.c:78)
[  825.116482][T16260]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  825.116484][T16260]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  825.116486][T16260]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  825.116488][T16260]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  825.116491][T16260]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  825.116495][T16260]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  825.116497][T16260]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  825.116500][T16260]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  825.116503][T16260]  ? ____sys_sendmsg (net/socket.c:2713)
[  825.116511][T16260]  ? ___sys_sendmsg (net/socket.c:2767)
[  825.116514][T16260]  ? __sys_sendmsg (net/socket.c:2799)
[  825.116516][T16260]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  825.116519][T16260]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  825.116524][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116526][T16260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  825.116528][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116530][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116532][T16260]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  825.116535][T16260]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  825.116537][T16260]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  825.116539][T16260]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  825.116542][T16260]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  825.116544][T16260]  ? nla_get_range_signed (lib/nlattr.c:270)
[  825.116549][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116552][T16260]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  825.116555][T16260]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  825.116559][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116561][T16260]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  825.116564][T16260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  825.116566][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116569][T16260]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  825.116572][T16260]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  825.116575][T16260]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  825.116578][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116580][T16260]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  825.116584][T16260]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  825.116588][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116590][T16260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  825.116593][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116595][T16260]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  825.116598][T16260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  825.116601][T16260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  825.116603][T16260]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  825.116606][T16260]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  825.116610][T16260]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  825.116613][T16260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  825.116616][T16260]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  825.116618][T16260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  825.116621][T16260]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  825.116626][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116629][T16260]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  825.116632][T16260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  825.116636][T16260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  825.116639][T16260]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  825.116642][T16260]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  825.116646][T16260]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  825.116649][T16260]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  825.116652][T16260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  825.116654][T16260]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  825.116659][T16260]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  825.116662][T16260]  ____sys_sendmsg (net/socket.c:2713)
[  825.116665][T16260]  ? copy_msghdr_from_user (net/socket.c:2650)
[  825.116668][T16260]  ? sock_write_iter (net/socket.c:1269)
[  825.116670][T16260]  ? move_addr_to_kernel (net/socket.c:258)
[  825.116673][T16260]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  825.116678][T16260]  ___sys_sendmsg (net/socket.c:2767)
[  825.116681][T16260]  ? copy_msghdr_from_user (net/socket.c:2619)
[  825.116689][T16260]  __sys_sendmsg (net/socket.c:2799)
[  825.116693][T16260]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  825.116698][T16260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  825.116700][T16260]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  825.116703][T16260]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  825.116707][T16260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  825.116710][T16260] RIP: 0033:0x7f07cc93f54e
[  825.116713][T16260] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  825.116716][T16260] RSP: 002b:00007ffeb53adf80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  825.116721][T16260] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f07cc93f54e
[  825.116723][T16260] RDX: 0000000000000000 RSI: 00007ffeb53ae030 RDI: 0000000000000005
[  825.116725][T16260] RBP: 00007ffeb53adf90 R08: 0000000000000000 R09: 0000000000000000
[  825.116727][T16260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912862
[  825.116729][T16260] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb53ae6f0
| [  826.738483][T16317] softirqs last disabled at (0): 0x0
| [  826.738485][T16317] Preemption disabled at:
| [  826.738485][T16317] vprintk_emit (kernel/printk/printk.c:2471)
| [  826.738496][T16317] Tainted: [W]=WARN
[  826.738497][T16317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  826.738499][T16317] Call Trace:
[  826.738500][T16317]  <TASK>
[  826.738502][T16317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  826.738508][T16317]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  826.738509][T16317]  __might_resched.cold (kernel/sched/core.c:9234)
[  826.738512][T16317]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  826.738520][T16317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  826.738524][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738528][T16317]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  826.738532][T16317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  826.738535][T16317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  826.738540][T16317]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  826.738542][T16317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  826.738545][T16317]  put_chars (drivers/char/virtio_console.c:1176)
[  826.738547][T16317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  826.738548][T16317]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  826.738551][T16317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  826.738556][T16317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  826.738558][T16317]  ? vsnprintf (lib/vsprintf.c:2900)
[  826.738561][T16317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  826.738563][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738564][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738566][T16317]  console_emit_next_record (kernel/printk/printk.c:3183)
[  826.738569][T16317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  826.738571][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738572][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738573][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738574][T16317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.738576][T16317]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  826.738578][T16317]  console_flush_one_record (kernel/printk/printk.c:3268)
[  826.738581][T16317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  826.738584][T16317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  826.738586][T16317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.738587][T16317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  826.738589][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738590][T16317]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  826.738592][T16317]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  826.738593][T16317]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  826.738595][T16317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  826.738597][T16317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  826.738599][T16317]  vprintk_emit (kernel/printk/printk.c:2479)
[  826.738601][T16317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  826.738602][T16317]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  826.738604][T16317]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  826.738606][T16317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.738608][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738610][T16317]  _printk (kernel/printk/printk.c:2504)
[  826.738612][T16317]  ? snapshot_read.cold (user.c:?)
[  826.738615][T16317]  ? br_multicast_flood (??:?)
[  826.738618][T16317]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  826.738621][T16317]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  826.738622][T16317]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  826.738624][T16317]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  826.738628][T16317]  br_init_port (net/bridge/br_stp_if.c:39)
[  826.738629][T16317]  new_nbp (net/bridge/br_if.c:449)
[  826.738632][T16317]  br_add_if (net/bridge/br_if.c:592)
[  826.738634][T16317]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  826.738638][T16317]  do_set_master (net/core/rtnetlink.c:3071)
[  826.738640][T16317]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  826.738642][T16317]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  826.738643][T16317]  ? __dev_get_by_name (net/core/dev.c:905)
[  826.738645][T16317]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  826.738649][T16317]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  826.738652][T16317]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  826.738654][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738655][T16317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  826.738656][T16317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.738658][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738660][T16317]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  826.738663][T16317]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  826.738664][T16317]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  826.738667][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738668][T16317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.738670][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738671][T16317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  826.738672][T16317]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  826.738674][T16317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  826.738676][T16317]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  826.738677][T16317]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  826.738681][T16317]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  826.738684][T16317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  826.738686][T16317]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  826.738687][T16317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  826.738689][T16317]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  826.738692][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738693][T16317]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  826.738696][T16317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  826.738698][T16317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  826.738700][T16317]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  826.738703][T16317]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  826.738705][T16317]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  826.738708][T16317]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  826.738710][T16317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.738712][T16317]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  826.738715][T16317]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  826.738718][T16317]  ____sys_sendmsg (net/socket.c:2713)
[  826.738720][T16317]  ? copy_msghdr_from_user (net/socket.c:2650)
[  826.738722][T16317]  ? sock_write_iter (net/socket.c:1269)
[  826.738723][T16317]  ? move_addr_to_kernel (net/socket.c:258)
[  826.738726][T16317]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  826.738728][T16317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.738730][T16317]  ___sys_sendmsg (net/socket.c:2767)
[  826.738732][T16317]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  826.738734][T16317]  ? copy_msghdr_from_user (net/socket.c:2619)
[  826.738736][T16317]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  826.738740][T16317]  __sys_sendmsg (net/socket.c:2799)
[  826.738743][T16317]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  826.738745][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738747][T16317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.738748][T16317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  826.738751][T16317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  826.738753][T16317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  826.738755][T16317] RIP: 0033:0x7fe3cf23754e
[  826.738757][T16317] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  826.738759][T16317] RSP: 002b:00007fff12e89290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  826.738763][T16317] RAX: ffffffffffffffda RBX: 00007fff12e89a58 RCX: 00007fe3cf23754e
[  826.738764][T16317] RDX: 0000000000000000 RSI: 00007fff12e89340 RDI: 0000000000000005
[  826.738765][T16317] RBP: 00007fff12e892a0 R08: 0000000000000000 R09: 0000000000000000
[  826.738766][T16317] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912864
[  826.738767][T16317] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff12e89a10
| [  833.610049][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  833.610052][   T71] Preemption disabled at:
| [  833.610053][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  833.610068][   T71] Tainted: [W]=WARN
[  833.610069][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  833.610072][   T71] Workqueue: netns cleanup_net
[  833.610079][   T71] Call Trace:
[  833.610082][   T71]  <TASK>
[  833.610084][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  833.610091][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  833.610094][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  833.610098][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  833.610102][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  833.610106][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  833.610111][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  833.610114][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  833.610118][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  833.610125][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  833.610127][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  833.610131][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  833.610134][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  833.610137][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  833.610141][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  833.610148][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  833.610150][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  833.610154][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  833.610157][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  833.610158][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  833.610162][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  833.610166][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  833.610169][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  833.610171][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  833.610173][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  833.610175][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  833.610179][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  833.610182][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  833.610186][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  833.610190][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  833.610197][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  833.610200][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  833.610203][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  833.610206][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  833.610208][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  833.610211][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  833.610214][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  833.610217][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  833.610220][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  833.610223][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  833.610225][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  833.610227][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  833.610231][   T71]  ? kthread (kernel/kthread.c:436)
[  833.610234][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  833.610238][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  833.610242][   T71]  _printk (kernel/printk/printk.c:2504)
[  833.610247][   T71]  ? snapshot_read.cold (user.c:?)
[  833.610251][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  833.610255][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  833.610259][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  833.610262][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  833.610266][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  833.610268][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  833.610270][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  833.610274][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  833.610277][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  833.610279][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  833.610283][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  833.610288][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  833.610293][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  833.610297][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  833.610301][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  833.610305][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  833.610308][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  833.610312][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  833.610315][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  833.610319][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  833.610321][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  833.610324][   T71]  process_one_work (kernel/workqueue.c:3387)
[  833.610329][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  833.610334][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  833.610338][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  833.610341][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  833.610344][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  833.610347][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  833.610350][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  833.610353][   T71]  kthread (kernel/kthread.c:436)
[  833.610356][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  833.610358][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  833.610362][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  833.610365][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  833.610368][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  833.610373][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  833.610376][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  834.686413][T16426] softirqs last disabled at (0): 0x0
| [  834.686416][T16426] Preemption disabled at:
| [  834.686417][T16426] vprintk_emit (kernel/printk/printk.c:2471)
| [  834.686431][T16426] Tainted: [W]=WARN
[  834.686433][T16426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  834.686436][T16426] Call Trace:
[  834.686438][T16426]  <TASK>
[  834.686440][T16426]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  834.686447][T16426]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  834.686449][T16426]  __might_resched.cold (kernel/sched/core.c:9234)
[  834.686454][T16426]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  834.686459][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686463][T16426]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  834.686466][T16426]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  834.686471][T16426]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  834.686477][T16426]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  834.686480][T16426]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  834.686484][T16426]  put_chars (drivers/char/virtio_console.c:1176)
[  834.686487][T16426]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  834.686489][T16426]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  834.686493][T16426]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  834.686496][T16426]  ? pointer (lib/vsprintf.c:2577)
[  834.686501][T16426]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  834.686507][T16426]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  834.686510][T16426]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  834.686513][T16426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  834.686517][T16426]  console_emit_next_record (kernel/printk/printk.c:3183)
[  834.686521][T16426]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  834.686525][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686527][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686529][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686531][T16426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  834.686534][T16426]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  834.686537][T16426]  console_flush_one_record (kernel/printk/printk.c:3268)
[  834.686541][T16426]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  834.686546][T16426]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  834.686549][T16426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  834.686552][T16426]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  834.686555][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686557][T16426]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  834.686559][T16426]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  834.686562][T16426]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  834.686565][T16426]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  834.686568][T16426]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  834.686577][T16426]  vprintk_emit (kernel/printk/printk.c:2479)
[  834.686580][T16426]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  834.686582][T16426]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  834.686586][T16426]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  834.686590][T16426]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  834.686594][T16426]  _printk (kernel/printk/printk.c:2504)
[  834.686598][T16426]  ? snapshot_read.cold (user.c:?)
[  834.686602][T16426]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  834.686605][T16426]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  834.686610][T16426]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  834.686613][T16426]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  834.686617][T16426]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  834.686621][T16426]  ? netdev_notice (net/core/dev.c:13194)
[  834.686624][T16426]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  834.686627][T16426]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  834.686631][T16426]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  834.686634][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686636][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686639][T16426]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  834.686641][T16426]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  834.686644][T16426]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  834.686646][T16426]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  834.686649][T16426]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  834.686652][T16426]  ? register_netdev (net/core/dev.c:11618)
[  834.686655][T16426]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  834.686658][T16426]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  834.686662][T16426]  ? __kernel_text_address (kernel/extable.c:79)
[  834.686666][T16426]  ? write_profile (profile.c:?)
[  834.686670][T16426]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  834.686675][T16426]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  834.686678][T16426]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  834.686681][T16426]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  834.686684][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686686][T16426]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  834.686691][T16426]  ? kasan_save_stack (mm/kasan/common.c:58)
[  834.686694][T16426]  ? kasan_save_stack (mm/kasan/common.c:57)
[  834.686696][T16426]  ? kasan_save_track (mm/kasan/common.c:78)
[  834.686698][T16426]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  834.686700][T16426]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  834.686703][T16426]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  834.686705][T16426]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  834.686707][T16426]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  834.686711][T16426]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  834.686714][T16426]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  834.686716][T16426]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  834.686720][T16426]  ? ____sys_sendmsg (net/socket.c:2713)
[  834.686722][T16426]  ? ___sys_sendmsg (net/socket.c:2767)
[  834.686725][T16426]  ? __sys_sendmsg (net/socket.c:2799)
[  834.686728][T16426]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  834.686731][T16426]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  834.686736][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686738][T16426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  834.686740][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686743][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686745][T16426]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  834.686748][T16426]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  834.686750][T16426]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  834.686752][T16426]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  834.686755][T16426]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  834.686758][T16426]  ? nla_get_range_signed (lib/nlattr.c:270)
[  834.686762][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686765][T16426]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  834.686769][T16426]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  834.686773][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686775][T16426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  834.686778][T16426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  834.686781][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686783][T16426]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  834.686787][T16426]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  834.686789][T16426]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  834.686792][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686794][T16426]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  834.686798][T16426]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  834.686802][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686804][T16426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  834.686807][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686809][T16426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  834.686812][T16426]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  834.686815][T16426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  834.686817][T16426]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  834.686820][T16426]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  834.686824][T16426]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  834.686828][T16426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  834.686830][T16426]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  834.686833][T16426]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  834.686836][T16426]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  834.686841][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686843][T16426]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  834.686847][T16426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  834.686851][T16426]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  834.686854][T16426]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  834.686857][T16426]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  834.686861][T16426]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  834.686864][T16426]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  834.686867][T16426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  834.686869][T16426]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  834.686874][T16426]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  834.686877][T16426]  ____sys_sendmsg (net/socket.c:2713)
[  834.686880][T16426]  ? copy_msghdr_from_user (net/socket.c:2650)
[  834.686883][T16426]  ? sock_write_iter (net/socket.c:1269)
[  834.686886][T16426]  ? move_addr_to_kernel (net/socket.c:258)
[  834.686889][T16426]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  834.686893][T16426]  ___sys_sendmsg (net/socket.c:2767)
[  834.686897][T16426]  ? copy_msghdr_from_user (net/socket.c:2619)
[  834.686905][T16426]  __sys_sendmsg (net/socket.c:2799)
[  834.686909][T16426]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  834.686913][T16426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  834.686916][T16426]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  834.686919][T16426]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  834.686923][T16426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  834.686925][T16426] RIP: 0033:0x7f580701754e
[  834.686929][T16426] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  834.686932][T16426] RSP: 002b:00007ffdf70e28b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  834.686936][T16426] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f580701754e
[  834.686939][T16426] RDX: 0000000000000000 RSI: 00007ffdf70e2960 RDI: 0000000000000005
[  834.686941][T16426] RBP: 00007ffdf70e28c0 R08: 0000000000000000 R09: 0000000000000000
[  834.686942][T16426] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91286c
[  834.686944][T16426] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf70e3020
| [  836.600621][T16501] softirqs last disabled at (0): 0x0
| [  836.600624][T16501] Preemption disabled at:
| [  836.600625][T16501] vprintk_emit (kernel/printk/printk.c:2471)
| [  836.600639][T16501] Tainted: [W]=WARN
[  836.600640][T16501] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  836.600643][T16501] Call Trace:
[  836.600646][T16501]  <TASK>
[  836.600648][T16501]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  836.600655][T16501]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  836.600657][T16501]  __might_resched.cold (kernel/sched/core.c:9234)
[  836.600662][T16501]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  836.600666][T16501]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  836.600670][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600675][T16501]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  836.600678][T16501]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  836.600683][T16501]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  836.600689][T16501]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  836.600692][T16501]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  836.600696][T16501]  put_chars (drivers/char/virtio_console.c:1176)
[  836.600699][T16501]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  836.600702][T16501]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  836.600707][T16501]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  836.600714][T16501]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  836.600716][T16501]  ? vsnprintf (lib/vsprintf.c:2900)
[  836.600721][T16501]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  836.600724][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600726][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600729][T16501]  console_emit_next_record (kernel/printk/printk.c:3183)
[  836.600734][T16501]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  836.600737][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600739][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600741][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600743][T16501]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  836.600747][T16501]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  836.600750][T16501]  console_flush_one_record (kernel/printk/printk.c:3268)
[  836.600754][T16501]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  836.600759][T16501]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  836.600762][T16501]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  836.600764][T16501]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  836.600767][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600769][T16501]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  836.600772][T16501]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  836.600775][T16501]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  836.600777][T16501]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  836.600780][T16501]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  836.600783][T16501]  vprintk_emit (kernel/printk/printk.c:2479)
[  836.600787][T16501]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  836.600789][T16501]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  836.600791][T16501]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  836.600796][T16501]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  836.600798][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600801][T16501]  _printk (kernel/printk/printk.c:2504)
[  836.600805][T16501]  ? snapshot_read.cold (user.c:?)
[  836.600809][T16501]  ? br_multicast_flood (??:?)
[  836.600813][T16501]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  836.600817][T16501]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  836.600819][T16501]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  836.600823][T16501]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  836.600828][T16501]  br_init_port (net/bridge/br_stp_if.c:39)
[  836.600830][T16501]  new_nbp (net/bridge/br_if.c:449)
[  836.600834][T16501]  br_add_if (net/bridge/br_if.c:592)
[  836.600837][T16501]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  836.600842][T16501]  do_set_master (net/core/rtnetlink.c:3071)
[  836.600846][T16501]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  836.600849][T16501]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  836.600852][T16501]  ? __dev_get_by_name (net/core/dev.c:905)
[  836.600855][T16501]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  836.600861][T16501]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  836.600866][T16501]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  836.600870][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600872][T16501]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  836.600875][T16501]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  836.600877][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600880][T16501]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  836.600884][T16501]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  836.600887][T16501]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  836.600890][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600893][T16501]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  836.600895][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600898][T16501]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  836.600900][T16501]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  836.600904][T16501]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  836.600906][T16501]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  836.600909][T16501]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  836.600915][T16501]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  836.600919][T16501]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  836.600922][T16501]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  836.600924][T16501]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  836.600927][T16501]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  836.600932][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.600934][T16501]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  836.600938][T16501]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  836.600942][T16501]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  836.600945][T16501]  ? next_uptodate_folio (mm/filemap.c:3747)
[  836.600950][T16501]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  836.600954][T16501]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  836.600957][T16501]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  836.600960][T16501]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  836.600965][T16501]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  836.600969][T16501]  ____sys_sendmsg (net/socket.c:2713)
[  836.600972][T16501]  ? copy_msghdr_from_user (net/socket.c:2650)
[  836.600975][T16501]  ? sock_write_iter (net/socket.c:1269)
[  836.600978][T16501]  ? move_addr_to_kernel (net/socket.c:258)
[  836.600982][T16501]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  836.600985][T16501]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  836.600989][T16501]  ___sys_sendmsg (net/socket.c:2767)
[  836.600992][T16501]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  836.600994][T16501]  ? copy_msghdr_from_user (net/socket.c:2619)
[  836.600997][T16501]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  836.601006][T16501]  __sys_sendmsg (net/socket.c:2799)
[  836.601009][T16501]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  836.601014][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.601016][T16501]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  836.601019][T16501]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  836.601023][T16501]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  836.601026][T16501]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  836.601030][T16501] RIP: 0033:0x7f1dbd12754e
[  836.601033][T16501] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  836.601036][T16501] RSP: 002b:00007ffff867a7e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  836.601041][T16501] RAX: ffffffffffffffda RBX: 00007ffff867afa8 RCX: 00007f1dbd12754e
[  836.601043][T16501] RDX: 0000000000000000 RSI: 00007ffff867a890 RDI: 0000000000000005
[  836.601045][T16501] RBP: 00007ffff867a7f0 R08: 0000000000000000 R09: 0000000000000000
[  836.601047][T16501] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91286e
[  836.601049][T16501] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff867af60
| [  837.684533][T16539] softirqs last disabled at (0): 0x0
| [  837.684535][T16539] Preemption disabled at:
| [  837.684536][T16539] vprintk_emit (kernel/printk/printk.c:2471)
| [  837.684547][T16539] Tainted: [W]=WARN
[  837.684548][T16539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  837.684550][T16539] Call Trace:
[  837.684552][T16539]  <TASK>
[  837.684553][T16539]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  837.684559][T16539]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  837.684561][T16539]  __might_resched.cold (kernel/sched/core.c:9234)
[  837.684565][T16539]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  837.684569][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684571][T16539]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  837.684574][T16539]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  837.684577][T16539]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  837.684583][T16539]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  837.684585][T16539]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  837.684587][T16539]  put_chars (drivers/char/virtio_console.c:1176)
[  837.684589][T16539]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  837.684596][T16539]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  837.684599][T16539]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  837.684601][T16539]  ? pointer (lib/vsprintf.c:2577)
[  837.684605][T16539]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  837.684610][T16539]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  837.684612][T16539]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  837.684614][T16539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  837.684617][T16539]  console_emit_next_record (kernel/printk/printk.c:3183)
[  837.684620][T16539]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  837.684622][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684623][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684625][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684626][T16539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  837.684628][T16539]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  837.684630][T16539]  console_flush_one_record (kernel/printk/printk.c:3268)
[  837.684633][T16539]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  837.684636][T16539]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  837.684638][T16539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  837.684640][T16539]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  837.684642][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684643][T16539]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  837.684644][T16539]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  837.684646][T16539]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  837.684648][T16539]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  837.684650][T16539]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  837.684651][T16539]  vprintk_emit (kernel/printk/printk.c:2479)
[  837.684653][T16539]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  837.684655][T16539]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  837.684657][T16539]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  837.684660][T16539]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  837.684663][T16539]  _printk (kernel/printk/printk.c:2504)
[  837.684666][T16539]  ? snapshot_read.cold (user.c:?)
[  837.684668][T16539]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  837.684671][T16539]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  837.684674][T16539]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  837.684676][T16539]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  837.684680][T16539]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  837.684682][T16539]  ? netdev_notice (net/core/dev.c:13194)
[  837.684684][T16539]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  837.684686][T16539]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  837.684689][T16539]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  837.684691][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684692][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684693][T16539]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  837.684695][T16539]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  837.684696][T16539]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  837.684698][T16539]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  837.684699][T16539]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  837.684701][T16539]  ? register_netdev (net/core/dev.c:11618)
[  837.684703][T16539]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  837.684705][T16539]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  837.684708][T16539]  ? __kernel_text_address (kernel/extable.c:79)
[  837.684711][T16539]  ? write_profile (profile.c:?)
[  837.684714][T16539]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  837.684718][T16539]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  837.684720][T16539]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  837.684722][T16539]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  837.684723][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684724][T16539]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  837.684728][T16539]  ? kasan_save_stack (mm/kasan/common.c:58)
[  837.684730][T16539]  ? kasan_save_stack (mm/kasan/common.c:57)
[  837.684731][T16539]  ? kasan_save_track (mm/kasan/common.c:78)
[  837.684732][T16539]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  837.684734][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684735][T16539]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  837.684736][T16539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  837.684738][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684739][T16539]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  837.684742][T16539]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  837.684744][T16539]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[  837.684746][T16539]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[  837.684749][T16539]  ? clockevents_program_event (kernel/time/clockevents.c:372)
[  837.684752][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684753][T16539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  837.684755][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684756][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684757][T16539]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  837.684759][T16539]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  837.684760][T16539]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  837.684761][T16539]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  837.684762][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684764][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684765][T16539]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  837.684766][T16539]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[  837.684768][T16539]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  837.684770][T16539]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[  837.684772][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684774][T16539]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  837.684776][T16539]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  837.684779][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684780][T16539]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  837.684781][T16539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  837.684783][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684785][T16539]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  837.684787][T16539]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  837.684789][T16539]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  837.684790][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684792][T16539]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  837.684795][T16539]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  837.684798][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684799][T16539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  837.684801][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684802][T16539]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  837.684804][T16539]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  837.684806][T16539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  837.684807][T16539]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  837.684809][T16539]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  837.684811][T16539]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  837.684813][T16539]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  837.684815][T16539]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  837.684817][T16539]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  837.684818][T16539]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  837.684822][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684823][T16539]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  837.684825][T16539]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  837.684828][T16539]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  837.684830][T16539]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  837.684833][T16539]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  837.684835][T16539]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  837.684837][T16539]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  837.684839][T16539]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  837.684840][T16539]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  837.684844][T16539]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  837.684847][T16539]  ____sys_sendmsg (net/socket.c:2713)
[  837.684849][T16539]  ? copy_msghdr_from_user (net/socket.c:2650)
[  837.684851][T16539]  ? sock_write_iter (net/socket.c:1269)
[  837.684852][T16539]  ? move_addr_to_kernel (net/socket.c:258)
[  837.684854][T16539]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  837.684857][T16539]  ___sys_sendmsg (net/socket.c:2767)
[  837.684859][T16539]  ? copy_msghdr_from_user (net/socket.c:2619)
[  837.684865][T16539]  __sys_sendmsg (net/socket.c:2799)
[  837.684867][T16539]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  837.684870][T16539]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  837.684871][T16539]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  837.684874][T16539]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  837.684876][T16539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  837.684878][T16539] RIP: 0033:0x7fdf4632854e
[  837.684880][T16539] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  837.684882][T16539] RSP: 002b:00007ffd24e17e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  837.684886][T16539] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdf4632854e
[  837.684887][T16539] RDX: 0000000000000000 RSI: 00007ffd24e17f00 RDI: 0000000000000005
[  837.684888][T16539] RBP: 00007ffd24e17e60 R08: 0000000000000000 R09: 0000000000000000
[  837.684889][T16539] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91286f
[  837.684890][T16539] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd24e185c0
| [  839.311899][T16597] softirqs last disabled at (0): 0x0
| [  839.311901][T16597] Preemption disabled at:
| [  839.311902][T16597] vprintk_emit (kernel/printk/printk.c:2471)
| [  839.311913][T16597] Tainted: [W]=WARN
[  839.311914][T16597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  839.311916][T16597] Call Trace:
[  839.311918][T16597]  <TASK>
[  839.311919][T16597]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  839.311926][T16597]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  839.311927][T16597]  __might_resched.cold (kernel/sched/core.c:9234)
[  839.311931][T16597]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  839.311933][T16597]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  839.311936][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.311939][T16597]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  839.311942][T16597]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  839.311945][T16597]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  839.311951][T16597]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  839.311953][T16597]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  839.311956][T16597]  put_chars (drivers/char/virtio_console.c:1176)
[  839.311957][T16597]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  839.311959][T16597]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  839.311962][T16597]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  839.311967][T16597]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  839.311969][T16597]  ? vsnprintf (lib/vsprintf.c:2900)
[  839.311972][T16597]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  839.311974][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.311975][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.311977][T16597]  console_emit_next_record (kernel/printk/printk.c:3183)
[  839.311980][T16597]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  839.311982][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.311983][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.311984][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.311985][T16597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  839.311988][T16597]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  839.311990][T16597]  console_flush_one_record (kernel/printk/printk.c:3268)
[  839.311992][T16597]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  839.311995][T16597]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  839.311997][T16597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  839.311999][T16597]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  839.312001][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.312002][T16597]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  839.312003][T16597]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  839.312005][T16597]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  839.312007][T16597]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  839.312009][T16597]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  839.312010][T16597]  vprintk_emit (kernel/printk/printk.c:2479)
[  839.312012][T16597]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  839.312013][T16597]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  839.312015][T16597]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  839.312018][T16597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  839.312020][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.312022][T16597]  _printk (kernel/printk/printk.c:2504)
[  839.312025][T16597]  ? snapshot_read.cold (user.c:?)
[  839.312027][T16597]  ? br_multicast_flood (??:?)
[  839.312030][T16597]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  839.312033][T16597]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  839.312034][T16597]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  839.312036][T16597]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  839.312039][T16597]  br_init_port (net/bridge/br_stp_if.c:39)
[  839.312041][T16597]  new_nbp (net/bridge/br_if.c:449)
[  839.312043][T16597]  br_add_if (net/bridge/br_if.c:592)
[  839.312045][T16597]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  839.312049][T16597]  do_set_master (net/core/rtnetlink.c:3071)
[  839.312051][T16597]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  839.312053][T16597]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  839.312055][T16597]  ? __dev_get_by_name (net/core/dev.c:905)
[  839.312056][T16597]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  839.312061][T16597]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  839.312063][T16597]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  839.312065][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.312067][T16597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  839.312068][T16597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  839.312070][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.312071][T16597]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  839.312074][T16597]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  839.312076][T16597]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  839.312078][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.312080][T16597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  839.312081][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.312083][T16597]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  839.312084][T16597]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  839.312086][T16597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  839.312087][T16597]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  839.312089][T16597]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  839.312093][T16597]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  839.312096][T16597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  839.312097][T16597]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  839.312099][T16597]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  839.312101][T16597]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  839.312104][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.312105][T16597]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  839.312108][T16597]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  839.312110][T16597]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  839.312112][T16597]  ? next_uptodate_folio (mm/filemap.c:3747)
[  839.312115][T16597]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  839.312117][T16597]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  839.312120][T16597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  839.312122][T16597]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  839.312125][T16597]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  839.312129][T16597]  ____sys_sendmsg (net/socket.c:2713)
[  839.312131][T16597]  ? copy_msghdr_from_user (net/socket.c:2650)
[  839.312132][T16597]  ? sock_write_iter (net/socket.c:1269)
[  839.312134][T16597]  ? move_addr_to_kernel (net/socket.c:258)
[  839.312136][T16597]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  839.312139][T16597]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  839.312141][T16597]  ___sys_sendmsg (net/socket.c:2767)
[  839.312143][T16597]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  839.312144][T16597]  ? copy_msghdr_from_user (net/socket.c:2619)
[  839.312146][T16597]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  839.312151][T16597]  __sys_sendmsg (net/socket.c:2799)
[  839.312153][T16597]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  839.312156][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.312157][T16597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.312159][T16597]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  839.312161][T16597]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  839.312163][T16597]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  839.312166][T16597] RIP: 0033:0x7f339253354e
[  839.312168][T16597] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  839.312170][T16597] RSP: 002b:00007ffc3ef79810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  839.312174][T16597] RAX: ffffffffffffffda RBX: 00007ffc3ef79fd8 RCX: 00007f339253354e
[  839.312175][T16597] RDX: 0000000000000000 RSI: 00007ffc3ef798c0 RDI: 0000000000000005
[  839.312176][T16597] RBP: 00007ffc3ef79820 R08: 0000000000000000 R09: 0000000000000000
[  839.312177][T16597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912870
[  839.312178][T16597] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3ef79f90
| [  846.149449][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  846.149451][   T71] Preemption disabled at:
| [  846.149452][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  846.149464][   T71] Tainted: [W]=WARN
[  846.149465][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  846.149467][   T71] Workqueue: netns cleanup_net
[  846.149473][   T71] Call Trace:
[  846.149475][   T71]  <TASK>
[  846.149477][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  846.149483][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  846.149484][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  846.149488][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  846.149490][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  846.149494][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.149497][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  846.149500][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  846.149503][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  846.149508][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  846.149510][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  846.149513][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  846.149515][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  846.149516][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  846.149519][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  846.149524][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  846.149526][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  846.149529][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  846.149530][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.149532][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.149533][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  846.149536][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  846.149539][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.149540][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.149541][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.149542][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  846.149545][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  846.149547][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  846.149550][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  846.149553][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  846.149555][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  846.149557][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  846.149559][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.149560][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  846.149561][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  846.149563][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  846.149565][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  846.149567][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  846.149569][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  846.149571][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  846.149572][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  846.149574][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  846.149577][   T71]  ? kthread (kernel/kthread.c:436)
[  846.149579][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  846.149582][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  846.149585][   T71]  _printk (kernel/printk/printk.c:2504)
[  846.149588][   T71]  ? snapshot_read.cold (user.c:?)
[  846.149590][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  846.149594][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  846.149596][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  846.149599][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  846.149601][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.149602][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  846.149604][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  846.149607][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  846.149609][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  846.149610][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  846.149613][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  846.149616][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  846.149620][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  846.149622][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  846.149625][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  846.149627][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  846.149629][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  846.149633][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  846.149635][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  846.149637][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  846.149639][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  846.149641][   T71]  process_one_work (kernel/workqueue.c:3387)
[  846.149644][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  846.149647][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  846.149656][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  846.149659][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  846.149661][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  846.149663][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  846.149666][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  846.149667][   T71]  kthread (kernel/kthread.c:436)
[  846.149669][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  846.149671][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  846.149673][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  846.149675][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  846.149677][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  846.149681][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  846.149683][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  847.239322][T16705] softirqs last disabled at (0): 0x0
| [  847.239324][T16705] Preemption disabled at:
| [  847.239326][T16705] vprintk_emit (kernel/printk/printk.c:2471)
| [  847.239340][T16705] Tainted: [W]=WARN
[  847.239342][T16705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  847.239344][T16705] Call Trace:
[  847.239346][T16705]  <TASK>
[  847.239348][T16705]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  847.239355][T16705]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  847.239357][T16705]  __might_resched.cold (kernel/sched/core.c:9234)
[  847.239362][T16705]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  847.239366][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239370][T16705]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  847.239373][T16705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  847.239377][T16705]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  847.239383][T16705]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  847.239386][T16705]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  847.239390][T16705]  put_chars (drivers/char/virtio_console.c:1176)
[  847.239392][T16705]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  847.239394][T16705]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  847.239398][T16705]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  847.239401][T16705]  ? pointer (lib/vsprintf.c:2577)
[  847.239406][T16705]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  847.239412][T16705]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  847.239414][T16705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  847.239417][T16705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.239421][T16705]  console_emit_next_record (kernel/printk/printk.c:3183)
[  847.239425][T16705]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  847.239428][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239430][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239431][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239433][T16705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.239436][T16705]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  847.239439][T16705]  console_flush_one_record (kernel/printk/printk.c:3268)
[  847.239443][T16705]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  847.239447][T16705]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  847.239450][T16705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.239452][T16705]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  847.239455][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239457][T16705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  847.239459][T16705]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  847.239462][T16705]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  847.239464][T16705]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  847.239467][T16705]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  847.239470][T16705]  vprintk_emit (kernel/printk/printk.c:2479)
[  847.239473][T16705]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  847.239475][T16705]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  847.239478][T16705]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  847.239482][T16705]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  847.239486][T16705]  _printk (kernel/printk/printk.c:2504)
[  847.239490][T16705]  ? snapshot_read.cold (user.c:?)
[  847.239493][T16705]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  847.239496][T16705]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  847.239500][T16705]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  847.239503][T16705]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  847.239507][T16705]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  847.239511][T16705]  ? netdev_notice (net/core/dev.c:13194)
[  847.239514][T16705]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  847.239516][T16705]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  847.239520][T16705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  847.239522][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239524][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239526][T16705]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  847.239528][T16705]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  847.239531][T16705]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  847.239533][T16705]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  847.239535][T16705]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  847.239538][T16705]  ? register_netdev (net/core/dev.c:11618)
[  847.239540][T16705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  847.239543][T16705]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  847.239547][T16705]  ? __kernel_text_address (kernel/extable.c:79)
[  847.239550][T16705]  ? write_profile (profile.c:?)
[  847.239554][T16705]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  847.239559][T16705]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  847.239562][T16705]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  847.239565][T16705]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  847.239567][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239569][T16705]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  847.239573][T16705]  ? kasan_save_stack (mm/kasan/common.c:58)
[  847.239576][T16705]  ? kasan_save_stack (mm/kasan/common.c:57)
[  847.239578][T16705]  ? kasan_save_track (mm/kasan/common.c:78)
[  847.239580][T16705]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  847.239582][T16705]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  847.239584][T16705]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  847.239586][T16705]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  847.239587][T16705]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  847.239591][T16705]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  847.239594][T16705]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  847.239596][T16705]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  847.239599][T16705]  ? ____sys_sendmsg (net/socket.c:2713)
[  847.239602][T16705]  ? ___sys_sendmsg (net/socket.c:2767)
[  847.239604][T16705]  ? __sys_sendmsg (net/socket.c:2799)
[  847.239606][T16705]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  847.239609][T16705]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  847.239613][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239615][T16705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.239617][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239619][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239621][T16705]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  847.239624][T16705]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  847.239626][T16705]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  847.239628][T16705]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  847.239631][T16705]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  847.239633][T16705]  ? nla_get_range_signed (lib/nlattr.c:270)
[  847.239638][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239640][T16705]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  847.239644][T16705]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  847.239648][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239650][T16705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  847.239652][T16705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.239655][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239663][T16705]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  847.239666][T16705]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  847.239668][T16705]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  847.239671][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239673][T16705]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  847.239677][T16705]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  847.239681][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239683][T16705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.239685][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239687][T16705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  847.239690][T16705]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  847.239693][T16705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  847.239696][T16705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  847.239698][T16705]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  847.239702][T16705]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  847.239705][T16705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  847.239708][T16705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  847.239711][T16705]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  847.239713][T16705]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  847.239718][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239720][T16705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  847.239724][T16705]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  847.239727][T16705]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  847.239730][T16705]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  847.239733][T16705]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  847.239737][T16705]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  847.239739][T16705]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  847.239742][T16705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  847.239745][T16705]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  847.239749][T16705]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  847.239752][T16705]  ____sys_sendmsg (net/socket.c:2713)
[  847.239755][T16705]  ? copy_msghdr_from_user (net/socket.c:2650)
[  847.239757][T16705]  ? sock_write_iter (net/socket.c:1269)
[  847.239760][T16705]  ? move_addr_to_kernel (net/socket.c:258)
[  847.239762][T16705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  847.239767][T16705]  ___sys_sendmsg (net/socket.c:2767)
[  847.239769][T16705]  ? copy_msghdr_from_user (net/socket.c:2619)
[  847.239778][T16705]  __sys_sendmsg (net/socket.c:2799)
[  847.239781][T16705]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  847.239785][T16705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  847.239787][T16705]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  847.239790][T16705]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  847.239793][T16705]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  847.239796][T16705] RIP: 0033:0x7fd93867754e
[  847.239799][T16705] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  847.239802][T16705] RSP: 002b:00007fffcee51010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  847.239807][T16705] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd93867754e
[  847.239809][T16705] RDX: 0000000000000000 RSI: 00007fffcee510c0 RDI: 0000000000000005
[  847.239811][T16705] RBP: 00007fffcee51020 R08: 0000000000000000 R09: 0000000000000000
[  847.239812][T16705] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912878
[  847.239813][T16705] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcee51780
| [  848.944283][T16780] softirqs last disabled at (0): 0x0
| [  848.944285][T16780] Preemption disabled at:
| [  848.944286][T16780] vprintk_emit (kernel/printk/printk.c:2471)
| [  848.944297][T16780] Tainted: [W]=WARN
[  848.944298][T16780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  848.944300][T16780] Call Trace:
[  848.944301][T16780]  <TASK>
[  848.944303][T16780]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  848.944309][T16780]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  848.944310][T16780]  __might_resched.cold (kernel/sched/core.c:9234)
[  848.944314][T16780]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  848.944316][T16780]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  848.944319][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944322][T16780]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  848.944325][T16780]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  848.944328][T16780]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  848.944333][T16780]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  848.944335][T16780]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  848.944338][T16780]  put_chars (drivers/char/virtio_console.c:1176)
[  848.944340][T16780]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  848.944342][T16780]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  848.944344][T16780]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  848.944349][T16780]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  848.944351][T16780]  ? vsnprintf (lib/vsprintf.c:2900)
[  848.944355][T16780]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  848.944356][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944357][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944359][T16780]  console_emit_next_record (kernel/printk/printk.c:3183)
[  848.944362][T16780]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  848.944364][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944366][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944367][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944368][T16780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.944370][T16780]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  848.944372][T16780]  console_flush_one_record (kernel/printk/printk.c:3268)
[  848.944375][T16780]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  848.944378][T16780]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  848.944380][T16780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.944381][T16780]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  848.944383][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944384][T16780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  848.944386][T16780]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  848.944388][T16780]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  848.944389][T16780]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  848.944391][T16780]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  848.944393][T16780]  vprintk_emit (kernel/printk/printk.c:2479)
[  848.944395][T16780]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  848.944396][T16780]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  848.944398][T16780]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  848.944401][T16780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.944402][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944404][T16780]  _printk (kernel/printk/printk.c:2504)
[  848.944407][T16780]  ? snapshot_read.cold (user.c:?)
[  848.944409][T16780]  ? br_multicast_flood (??:?)
[  848.944413][T16780]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  848.944416][T16780]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  848.944417][T16780]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  848.944419][T16780]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  848.944422][T16780]  br_init_port (net/bridge/br_stp_if.c:39)
[  848.944424][T16780]  new_nbp (net/bridge/br_if.c:449)
[  848.944426][T16780]  br_add_if (net/bridge/br_if.c:592)
[  848.944428][T16780]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  848.944433][T16780]  do_set_master (net/core/rtnetlink.c:3071)
[  848.944435][T16780]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  848.944437][T16780]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  848.944438][T16780]  ? __dev_get_by_name (net/core/dev.c:905)
[  848.944440][T16780]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  848.944444][T16780]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  848.944447][T16780]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  848.944449][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944450][T16780]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  848.944452][T16780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.944453][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944455][T16780]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  848.944458][T16780]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  848.944460][T16780]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  848.944462][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944464][T16780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.944466][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944468][T16780]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  848.944471][T16780]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  848.944474][T16780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  848.944476][T16780]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  848.944478][T16780]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  848.944484][T16780]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  848.944488][T16780]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  848.944490][T16780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  848.944493][T16780]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  848.944496][T16780]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  848.944500][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944502][T16780]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  848.944505][T16780]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  848.944507][T16780]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  848.944509][T16780]  ? next_uptodate_folio (mm/filemap.c:3747)
[  848.944512][T16780]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  848.944515][T16780]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  848.944517][T16780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.944519][T16780]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  848.944522][T16780]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  848.944526][T16780]  ____sys_sendmsg (net/socket.c:2713)
[  848.944528][T16780]  ? copy_msghdr_from_user (net/socket.c:2650)
[  848.944529][T16780]  ? sock_write_iter (net/socket.c:1269)
[  848.944531][T16780]  ? move_addr_to_kernel (net/socket.c:258)
[  848.944533][T16780]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  848.944536][T16780]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  848.944538][T16780]  ___sys_sendmsg (net/socket.c:2767)
[  848.944540][T16780]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  848.944541][T16780]  ? copy_msghdr_from_user (net/socket.c:2619)
[  848.944543][T16780]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  848.944548][T16780]  __sys_sendmsg (net/socket.c:2799)
[  848.944550][T16780]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  848.944553][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944554][T16780]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  848.944556][T16780]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  848.944559][T16780]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  848.944561][T16780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  848.944563][T16780] RIP: 0033:0x7f36df30454e
[  848.944565][T16780] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  848.944567][T16780] RSP: 002b:00007ffc43a01d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  848.944570][T16780] RAX: ffffffffffffffda RBX: 00007ffc43a024f8 RCX: 00007f36df30454e
[  848.944572][T16780] RDX: 0000000000000000 RSI: 00007ffc43a01de0 RDI: 0000000000000005
[  848.944573][T16780] RBP: 00007ffc43a01d40 R08: 0000000000000000 R09: 0000000000000000
[  848.944574][T16780] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91287a
[  848.944575][T16780] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc43a024b0
| [  850.029701][T16819] softirqs last disabled at (0): 0x0
| [  850.029704][T16819] Preemption disabled at:
| [  850.029704][T16819] vprintk_emit (kernel/printk/printk.c:2471)
| [  850.029715][T16819] Tainted: [W]=WARN
[  850.029716][T16819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  850.029718][T16819] Call Trace:
[  850.029720][T16819]  <TASK>
[  850.029721][T16819]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  850.029727][T16819]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  850.029729][T16819]  __might_resched.cold (kernel/sched/core.c:9234)
[  850.029733][T16819]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  850.029736][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029739][T16819]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  850.029742][T16819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  850.029745][T16819]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  850.029751][T16819]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  850.029752][T16819]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  850.029755][T16819]  put_chars (drivers/char/virtio_console.c:1176)
[  850.029757][T16819]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  850.029759][T16819]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  850.029761][T16819]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  850.029763][T16819]  ? pointer (lib/vsprintf.c:2577)
[  850.029767][T16819]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  850.029772][T16819]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  850.029774][T16819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  850.029776][T16819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.029779][T16819]  console_emit_next_record (kernel/printk/printk.c:3183)
[  850.029782][T16819]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  850.029784][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029785][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029786][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029788][T16819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.029790][T16819]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  850.029792][T16819]  console_flush_one_record (kernel/printk/printk.c:3268)
[  850.029794][T16819]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  850.029797][T16819]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  850.029799][T16819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.029801][T16819]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  850.029803][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029804][T16819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  850.029806][T16819]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  850.029808][T16819]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  850.029809][T16819]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  850.029812][T16819]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  850.029813][T16819]  vprintk_emit (kernel/printk/printk.c:2479)
[  850.029815][T16819]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  850.029816][T16819]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  850.029819][T16819]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  850.029822][T16819]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  850.029825][T16819]  _printk (kernel/printk/printk.c:2504)
[  850.029828][T16819]  ? snapshot_read.cold (user.c:?)
[  850.029830][T16819]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  850.029833][T16819]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  850.029836][T16819]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  850.029838][T16819]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  850.029842][T16819]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  850.029844][T16819]  ? netdev_notice (net/core/dev.c:13194)
[  850.029846][T16819]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  850.029848][T16819]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  850.029851][T16819]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  850.029853][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029854][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029855][T16819]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  850.029857][T16819]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  850.029858][T16819]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  850.029860][T16819]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  850.029861][T16819]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  850.029863][T16819]  ? register_netdev (net/core/dev.c:11618)
[  850.029865][T16819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  850.029867][T16819]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  850.029870][T16819]  ? __kernel_text_address (kernel/extable.c:79)
[  850.029873][T16819]  ? write_profile (profile.c:?)
[  850.029876][T16819]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  850.029879][T16819]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  850.029881][T16819]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  850.029883][T16819]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  850.029884][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029886][T16819]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  850.029889][T16819]  ? kasan_save_stack (mm/kasan/common.c:58)
[  850.029891][T16819]  ? kasan_save_stack (mm/kasan/common.c:57)
[  850.029892][T16819]  ? kasan_save_track (mm/kasan/common.c:78)
[  850.029894][T16819]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  850.029895][T16819]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  850.029896][T16819]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  850.029897][T16819]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  850.029899][T16819]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  850.029902][T16819]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  850.029904][T16819]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  850.029905][T16819]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  850.029908][T16819]  ? ____sys_sendmsg (net/socket.c:2713)
[  850.029909][T16819]  ? ___sys_sendmsg (net/socket.c:2767)
[  850.029911][T16819]  ? __sys_sendmsg (net/socket.c:2799)
[  850.029913][T16819]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  850.029916][T16819]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  850.029918][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029920][T16819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.029921][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029922][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029924][T16819]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  850.029925][T16819]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  850.029927][T16819]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  850.029928][T16819]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  850.029930][T16819]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  850.029931][T16819]  ? nla_get_range_signed (lib/nlattr.c:270)
[  850.029934][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029936][T16819]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  850.029938][T16819]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  850.029941][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029942][T16819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  850.029943][T16819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.029945][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029947][T16819]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  850.029949][T16819]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  850.029951][T16819]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  850.029952][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029954][T16819]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  850.029957][T16819]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  850.029960][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029961][T16819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.029962][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029964][T16819]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  850.029966][T16819]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  850.029967][T16819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  850.029969][T16819]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  850.029971][T16819]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  850.029973][T16819]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  850.029975][T16819]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  850.029977][T16819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  850.029979][T16819]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  850.029981][T16819]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  850.029984][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.029985][T16819]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  850.029988][T16819]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  850.029990][T16819]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  850.029992][T16819]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  850.029994][T16819]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  850.029997][T16819]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  850.029998][T16819]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  850.030000][T16819]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.030002][T16819]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  850.030006][T16819]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  850.030008][T16819]  ____sys_sendmsg (net/socket.c:2713)
[  850.030009][T16819]  ? copy_msghdr_from_user (net/socket.c:2650)
[  850.030011][T16819]  ? sock_write_iter (net/socket.c:1269)
[  850.030013][T16819]  ? move_addr_to_kernel (net/socket.c:258)
[  850.030014][T16819]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  850.030017][T16819]  ___sys_sendmsg (net/socket.c:2767)
[  850.030019][T16819]  ? copy_msghdr_from_user (net/socket.c:2619)
[  850.030025][T16819]  __sys_sendmsg (net/socket.c:2799)
[  850.030027][T16819]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  850.030030][T16819]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.030031][T16819]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  850.030033][T16819]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  850.030036][T16819]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  850.030037][T16819] RIP: 0033:0x7fe2df87754e
[  850.030039][T16819] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  850.030041][T16819] RSP: 002b:00007ffc123d8480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  850.030045][T16819] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe2df87754e
[  850.030047][T16819] RDX: 0000000000000000 RSI: 00007ffc123d8530 RDI: 0000000000000005
[  850.030048][T16819] RBP: 00007ffc123d8490 R08: 0000000000000000 R09: 0000000000000000
[  850.030049][T16819] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91287b
[  850.030050][T16819] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc123d8bf0
| [  851.743208][T16869] softirqs last disabled at (0): 0x0
| [  851.743211][T16869] Preemption disabled at:
| [  851.743212][T16869] vprintk_emit (kernel/printk/printk.c:2471)
| [  851.743226][T16869] Tainted: [W]=WARN
[  851.743228][T16869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  851.743231][T16869] Call Trace:
[  851.743233][T16869]  <TASK>
[  851.743235][T16869]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  851.743242][T16869]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  851.743244][T16869]  __might_resched.cold (kernel/sched/core.c:9234)
[  851.743249][T16869]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  851.743252][T16869]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  851.743257][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743261][T16869]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  851.743264][T16869]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.743268][T16869]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  851.743275][T16869]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  851.743278][T16869]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  851.743282][T16869]  put_chars (drivers/char/virtio_console.c:1176)
[  851.743284][T16869]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  851.743287][T16869]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  851.743291][T16869]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  851.743298][T16869]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  851.743300][T16869]  ? vsnprintf (lib/vsprintf.c:2900)
[  851.743305][T16869]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.743307][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743309][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743313][T16869]  console_emit_next_record (kernel/printk/printk.c:3183)
[  851.743317][T16869]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  851.743320][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743322][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743324][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743326][T16869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.743330][T16869]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  851.743332][T16869]  console_flush_one_record (kernel/printk/printk.c:3268)
[  851.743336][T16869]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  851.743341][T16869]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  851.743344][T16869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.743347][T16869]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  851.743349][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743352][T16869]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  851.743354][T16869]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  851.743357][T16869]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  851.743360][T16869]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  851.743363][T16869]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  851.743365][T16869]  vprintk_emit (kernel/printk/printk.c:2479)
[  851.743368][T16869]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  851.743370][T16869]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  851.743373][T16869]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  851.743377][T16869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.743379][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743382][T16869]  _printk (kernel/printk/printk.c:2504)
[  851.743386][T16869]  ? snapshot_read.cold (user.c:?)
[  851.743389][T16869]  ? br_multicast_flood (??:?)
[  851.743394][T16869]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  851.743398][T16869]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  851.743400][T16869]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  851.743403][T16869]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  851.743408][T16869]  br_init_port (net/bridge/br_stp_if.c:39)
[  851.743410][T16869]  new_nbp (net/bridge/br_if.c:449)
[  851.743414][T16869]  br_add_if (net/bridge/br_if.c:592)
[  851.743416][T16869]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  851.743422][T16869]  do_set_master (net/core/rtnetlink.c:3071)
[  851.743426][T16869]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  851.743429][T16869]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  851.743431][T16869]  ? __dev_get_by_name (net/core/dev.c:905)
[  851.743434][T16869]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  851.743440][T16869]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  851.743444][T16869]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  851.743448][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743450][T16869]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  851.743452][T16869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.743455][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743457][T16869]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  851.743461][T16869]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  851.743464][T16869]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  851.743467][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743469][T16869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.743471][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743474][T16869]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  851.743476][T16869]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  851.743479][T16869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  851.743481][T16869]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  851.743483][T16869]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  851.743489][T16869]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  851.743493][T16869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  851.743496][T16869]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  851.743498][T16869]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  851.743501][T16869]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  851.743505][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743508][T16869]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  851.743511][T16869]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  851.743515][T16869]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  851.743518][T16869]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  851.743522][T16869]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  851.743526][T16869]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  851.743530][T16869]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  851.743533][T16869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.743536][T16869]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  851.743540][T16869]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  851.743545][T16869]  ____sys_sendmsg (net/socket.c:2713)
[  851.743548][T16869]  ? copy_msghdr_from_user (net/socket.c:2650)
[  851.743550][T16869]  ? sock_write_iter (net/socket.c:1269)
[  851.743553][T16869]  ? move_addr_to_kernel (net/socket.c:258)
[  851.743556][T16869]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  851.743560][T16869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  851.743563][T16869]  ___sys_sendmsg (net/socket.c:2767)
[  851.743566][T16869]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  851.743569][T16869]  ? copy_msghdr_from_user (net/socket.c:2619)
[  851.743572][T16869]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  851.743581][T16869]  __sys_sendmsg (net/socket.c:2799)
[  851.743584][T16869]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  851.743589][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743591][T16869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  851.743594][T16869]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  851.743598][T16869]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  851.743600][T16869]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  851.743604][T16869] RIP: 0033:0x7f4cf2a6154e
[  851.743607][T16869] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  851.743610][T16869] RSP: 002b:00007ffc4dc373c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  851.743615][T16869] RAX: ffffffffffffffda RBX: 00007ffc4dc37b88 RCX: 00007f4cf2a6154e
[  851.743617][T16869] RDX: 0000000000000000 RSI: 00007ffc4dc37470 RDI: 0000000000000005
[  851.743618][T16869] RBP: 00007ffc4dc373d0 R08: 0000000000000000 R09: 0000000000000000
[  851.743620][T16869] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91287d
[  851.743622][T16869] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4dc37b40
| [  858.645918][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  858.645921][   T71] Preemption disabled at:
| [  858.645921][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  858.645934][   T71] Tainted: [W]=WARN
[  858.645935][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  858.645937][   T71] Workqueue: netns cleanup_net
[  858.645943][   T71] Call Trace:
[  858.645944][   T71]  <TASK>
[  858.645946][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  858.645953][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  858.645954][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  858.645958][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  858.645960][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  858.645963][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.645966][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  858.645969][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  858.645973][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  858.645977][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  858.645979][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  858.645982][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  858.645984][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  858.645986][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  858.645989][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  858.645994][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  858.645996][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  858.645999][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  858.646001][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.646002][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.646004][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  858.646007][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  858.646009][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.646010][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.646011][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.646012][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  858.646015][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  858.646017][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  858.646019][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  858.646022][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  858.646024][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  858.646026][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  858.646028][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.646029][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  858.646031][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  858.646032][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  858.646034][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  858.646036][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  858.646038][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  858.646040][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  858.646041][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  858.646042][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  858.646046][   T71]  ? kthread (kernel/kthread.c:436)
[  858.646048][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  858.646051][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  858.646053][   T71]  _printk (kernel/printk/printk.c:2504)
[  858.646057][   T71]  ? snapshot_read.cold (user.c:?)
[  858.646059][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  858.646063][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  858.646065][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  858.646067][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  858.646070][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.646071][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  858.646072][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  858.646075][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  858.646077][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  858.646079][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  858.646081][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  858.646084][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  858.646088][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  858.646091][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  858.646095][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  858.646098][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  858.646101][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  858.646105][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  858.646108][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  858.646110][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  858.646112][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  858.646114][   T71]  process_one_work (kernel/workqueue.c:3387)
[  858.646117][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  858.646120][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  858.646122][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  858.646125][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  858.646127][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  858.646129][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  858.646131][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  858.646133][   T71]  kthread (kernel/kthread.c:436)
[  858.646135][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  858.646137][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  858.646139][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  858.646141][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  858.646143][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  858.646146][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  858.646148][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  860.326325][T17023] softirqs last disabled at (0): 0x0
| [  860.326327][T17023] Preemption disabled at:
| [  860.326328][T17023] vprintk_emit (kernel/printk/printk.c:2471)
| [  860.326338][T17023] Tainted: [W]=WARN
[  860.326340][T17023] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  860.326342][T17023] Call Trace:
[  860.326343][T17023]  <TASK>
[  860.326344][T17023]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  860.326350][T17023]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  860.326352][T17023]  __might_resched.cold (kernel/sched/core.c:9234)
[  860.326355][T17023]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  860.326357][T17023]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  860.326361][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326363][T17023]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  860.326366][T17023]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  860.326370][T17023]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  860.326375][T17023]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  860.326377][T17023]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  860.326379][T17023]  put_chars (drivers/char/virtio_console.c:1176)
[  860.326381][T17023]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  860.326383][T17023]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  860.326386][T17023]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  860.326391][T17023]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  860.326392][T17023]  ? vsnprintf (lib/vsprintf.c:2900)
[  860.326396][T17023]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  860.326397][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326399][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326400][T17023]  console_emit_next_record (kernel/printk/printk.c:3183)
[  860.326403][T17023]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  860.326405][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326407][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326408][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326409][T17023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  860.326412][T17023]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  860.326413][T17023]  console_flush_one_record (kernel/printk/printk.c:3268)
[  860.326416][T17023]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  860.326419][T17023]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  860.326421][T17023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  860.326423][T17023]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  860.326425][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326426][T17023]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  860.326427][T17023]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  860.326429][T17023]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  860.326431][T17023]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  860.326433][T17023]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  860.326434][T17023]  vprintk_emit (kernel/printk/printk.c:2479)
[  860.326436][T17023]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  860.326437][T17023]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  860.326439][T17023]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  860.326442][T17023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  860.326444][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326445][T17023]  _printk (kernel/printk/printk.c:2504)
[  860.326448][T17023]  ? snapshot_read.cold (user.c:?)
[  860.326450][T17023]  ? br_multicast_flood (??:?)
[  860.326454][T17023]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  860.326457][T17023]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  860.326458][T17023]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  860.326460][T17023]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  860.326463][T17023]  br_init_port (net/bridge/br_stp_if.c:39)
[  860.326465][T17023]  new_nbp (net/bridge/br_if.c:449)
[  860.326467][T17023]  br_add_if (net/bridge/br_if.c:592)
[  860.326469][T17023]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  860.326474][T17023]  do_set_master (net/core/rtnetlink.c:3071)
[  860.326475][T17023]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  860.326477][T17023]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  860.326479][T17023]  ? __dev_get_by_name (net/core/dev.c:905)
[  860.326481][T17023]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  860.326485][T17023]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  860.326488][T17023]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  860.326490][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326491][T17023]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  860.326492][T17023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  860.326494][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326496][T17023]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  860.326498][T17023]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  860.326500][T17023]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  860.326502][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326504][T17023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  860.326505][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326507][T17023]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  860.326508][T17023]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  860.326510][T17023]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  860.326511][T17023]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  860.326513][T17023]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  860.326517][T17023]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  860.326520][T17023]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  860.326521][T17023]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  860.326523][T17023]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  860.326525][T17023]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  860.326528][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326529][T17023]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  860.326531][T17023]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  860.326534][T17023]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  860.326536][T17023]  ? next_uptodate_folio (mm/filemap.c:3747)
[  860.326539][T17023]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  860.326541][T17023]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  860.326543][T17023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  860.326545][T17023]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  860.326548][T17023]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  860.326552][T17023]  ____sys_sendmsg (net/socket.c:2713)
[  860.326554][T17023]  ? copy_msghdr_from_user (net/socket.c:2650)
[  860.326555][T17023]  ? sock_write_iter (net/socket.c:1269)
[  860.326557][T17023]  ? move_addr_to_kernel (net/socket.c:258)
[  860.326559][T17023]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  860.326562][T17023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  860.326564][T17023]  ___sys_sendmsg (net/socket.c:2767)
[  860.326566][T17023]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  860.326568][T17023]  ? copy_msghdr_from_user (net/socket.c:2619)
[  860.326569][T17023]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  860.326574][T17023]  __sys_sendmsg (net/socket.c:2799)
[  860.326576][T17023]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  860.326579][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326580][T17023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  860.326582][T17023]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  860.326585][T17023]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  860.326587][T17023]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  860.326589][T17023] RIP: 0033:0x7f4b96f9754e
[  860.326591][T17023] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  860.326593][T17023] RSP: 002b:00007ffdbff63120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  860.326597][T17023] RAX: ffffffffffffffda RBX: 00007ffdbff638e8 RCX: 00007f4b96f9754e
[  860.326599][T17023] RDX: 0000000000000000 RSI: 00007ffdbff631d0 RDI: 0000000000000005
[  860.326600][T17023] RBP: 00007ffdbff63130 R08: 0000000000000000 R09: 0000000000000000
[  860.326601][T17023] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912885
[  860.326602][T17023] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbff638a0
| [  862.222783][T17092] softirqs last disabled at (0): 0x0
| [  862.222785][T17092] Preemption disabled at:
| [  862.222786][T17092] vprintk_emit (kernel/printk/printk.c:2471)
| [  862.222797][T17092] Tainted: [W]=WARN
[  862.222798][T17092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  862.222801][T17092] Call Trace:
[  862.222803][T17092]  <TASK>
[  862.222804][T17092]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  862.222810][T17092]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  862.222811][T17092]  __might_resched.cold (kernel/sched/core.c:9234)
[  862.222815][T17092]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  862.222819][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.222822][T17092]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  862.222825][T17092]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  862.222828][T17092]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  862.222833][T17092]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  862.222835][T17092]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  862.222838][T17092]  put_chars (drivers/char/virtio_console.c:1176)
[  862.222840][T17092]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  862.222841][T17092]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  862.222844][T17092]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  862.222846][T17092]  ? pointer (lib/vsprintf.c:2577)
[  862.222849][T17092]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  862.222854][T17092]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  862.222856][T17092]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  862.222858][T17092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  862.222861][T17092]  console_emit_next_record (kernel/printk/printk.c:3183)
[  862.222864][T17092]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  862.222866][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.222867][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.222868][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.222870][T17092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  862.222872][T17092]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  862.222874][T17092]  console_flush_one_record (kernel/printk/printk.c:3268)
[  862.222876][T17092]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  862.222879][T17092]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  862.222881][T17092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  862.222883][T17092]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  862.222885][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.222886][T17092]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  862.222887][T17092]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  862.222889][T17092]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  862.222891][T17092]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  862.222893][T17092]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  862.222895][T17092]  vprintk_emit (kernel/printk/printk.c:2479)
[  862.222897][T17092]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  862.222898][T17092]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  862.222900][T17092]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  862.222904][T17092]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  862.222906][T17092]  _printk (kernel/printk/printk.c:2504)
[  862.222909][T17092]  ? snapshot_read.cold (user.c:?)
[  862.222911][T17092]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  862.222914][T17092]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  862.222917][T17092]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  862.222919][T17092]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  862.222923][T17092]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  862.222925][T17092]  ? netdev_notice (net/core/dev.c:13194)
[  862.222927][T17092]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  862.222929][T17092]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  862.222932][T17092]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  862.222934][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.222935][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.222936][T17092]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  862.222937][T17092]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  862.222939][T17092]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  862.222941][T17092]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  862.222942][T17092]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  862.222944][T17092]  ? register_netdev (net/core/dev.c:11618)
[  862.222945][T17092]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  862.222948][T17092]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  862.222950][T17092]  ? __kernel_text_address (kernel/extable.c:79)
[  862.222953][T17092]  ? write_profile (profile.c:?)
[  862.222956][T17092]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  862.222960][T17092]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  862.222962][T17092]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  862.222963][T17092]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  862.222965][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.222966][T17092]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  862.222969][T17092]  ? kasan_save_stack (mm/kasan/common.c:58)
[  862.222971][T17092]  ? kasan_save_stack (mm/kasan/common.c:57)
[  862.222972][T17092]  ? kasan_save_track (mm/kasan/common.c:78)
[  862.222973][T17092]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  862.222975][T17092]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  862.222976][T17092]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  862.222977][T17092]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  862.222978][T17092]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  862.222981][T17092]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  862.222983][T17092]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  862.222985][T17092]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  862.222987][T17092]  ? ____sys_sendmsg (net/socket.c:2713)
[  862.222989][T17092]  ? ___sys_sendmsg (net/socket.c:2767)
[  862.222990][T17092]  ? __sys_sendmsg (net/socket.c:2799)
[  862.222992][T17092]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  862.222995][T17092]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  862.222997][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.222999][T17092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  862.223000][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.223001][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.223002][T17092]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  862.223004][T17092]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  862.223005][T17092]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  862.223007][T17092]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  862.223008][T17092]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  862.223010][T17092]  ? nla_get_range_signed (lib/nlattr.c:270)
[  862.223013][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.223015][T17092]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  862.223017][T17092]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  862.223019][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.223020][T17092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  862.223022][T17092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  862.223023][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.223025][T17092]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  862.223027][T17092]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  862.223029][T17092]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  862.223030][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.223031][T17092]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  862.223035][T17092]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  862.223037][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.223039][T17092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  862.223040][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.223042][T17092]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  862.223043][T17092]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  862.223045][T17092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  862.223046][T17092]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  862.223048][T17092]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  862.223051][T17092]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  862.223052][T17092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  862.223054][T17092]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  862.223056][T17092]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  862.223058][T17092]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  862.223061][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.223062][T17092]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  862.223064][T17092]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  862.223067][T17092]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  862.223069][T17092]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  862.223071][T17092]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  862.223073][T17092]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  862.223075][T17092]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  862.223076][T17092]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  862.223078][T17092]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  862.223081][T17092]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  862.223083][T17092]  ____sys_sendmsg (net/socket.c:2713)
[  862.223085][T17092]  ? copy_msghdr_from_user (net/socket.c:2650)
[  862.223087][T17092]  ? sock_write_iter (net/socket.c:1269)
[  862.223088][T17092]  ? move_addr_to_kernel (net/socket.c:258)
[  862.223090][T17092]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  862.223093][T17092]  ___sys_sendmsg (net/socket.c:2767)
[  862.223095][T17092]  ? copy_msghdr_from_user (net/socket.c:2619)
[  862.223100][T17092]  __sys_sendmsg (net/socket.c:2799)
[  862.223102][T17092]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  862.223105][T17092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  862.223107][T17092]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  862.223109][T17092]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  862.223111][T17092]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  862.223112][T17092] RIP: 0033:0x7f4a6625b54e
[  862.223115][T17092] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  862.223117][T17092] RSP: 002b:00007ffdef1ca730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  862.223120][T17092] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4a6625b54e
[  862.223122][T17092] RDX: 0000000000000000 RSI: 00007ffdef1ca7e0 RDI: 0000000000000005
[  862.223123][T17092] RBP: 00007ffdef1ca740 R08: 0000000000000000 R09: 0000000000000000
[  862.223124][T17092] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912887
[  862.223125][T17092] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdef1caea0
| [  863.858385][T17142] softirqs last disabled at (0): 0x0
| [  863.858388][T17142] Preemption disabled at:
| [  863.858389][T17142] vprintk_emit (kernel/printk/printk.c:2471)
| [  863.858403][T17142] Tainted: [W]=WARN
[  863.858404][T17142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  863.858407][T17142] Call Trace:
[  863.858409][T17142]  <TASK>
[  863.858411][T17142]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  863.858418][T17142]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  863.858421][T17142]  __might_resched.cold (kernel/sched/core.c:9234)
[  863.858426][T17142]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  863.858429][T17142]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  863.858434][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858438][T17142]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  863.858442][T17142]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  863.858446][T17142]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  863.858453][T17142]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  863.858456][T17142]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  863.858460][T17142]  put_chars (drivers/char/virtio_console.c:1176)
[  863.858462][T17142]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  863.858466][T17142]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  863.858470][T17142]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  863.858477][T17142]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  863.858480][T17142]  ? vsnprintf (lib/vsprintf.c:2900)
[  863.858484][T17142]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  863.858487][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858489][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858493][T17142]  console_emit_next_record (kernel/printk/printk.c:3183)
[  863.858497][T17142]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  863.858501][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858502][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858504][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858506][T17142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.858511][T17142]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  863.858514][T17142]  console_flush_one_record (kernel/printk/printk.c:3268)
[  863.858518][T17142]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  863.858523][T17142]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  863.858525][T17142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.858528][T17142]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  863.858531][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858533][T17142]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  863.858536][T17142]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  863.858538][T17142]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  863.858541][T17142]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  863.858544][T17142]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  863.858547][T17142]  vprintk_emit (kernel/printk/printk.c:2479)
[  863.858550][T17142]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  863.858552][T17142]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  863.858555][T17142]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  863.858559][T17142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.858561][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858564][T17142]  _printk (kernel/printk/printk.c:2504)
[  863.858569][T17142]  ? snapshot_read.cold (user.c:?)
[  863.858572][T17142]  ? br_multicast_flood (??:?)
[  863.858577][T17142]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  863.858581][T17142]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  863.858583][T17142]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  863.858586][T17142]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  863.858591][T17142]  br_init_port (net/bridge/br_stp_if.c:39)
[  863.858594][T17142]  new_nbp (net/bridge/br_if.c:449)
[  863.858597][T17142]  br_add_if (net/bridge/br_if.c:592)
[  863.858600][T17142]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  863.858607][T17142]  do_set_master (net/core/rtnetlink.c:3071)
[  863.858610][T17142]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  863.858613][T17142]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  863.858615][T17142]  ? __dev_get_by_name (net/core/dev.c:905)
[  863.858619][T17142]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  863.858625][T17142]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  863.858629][T17142]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  863.858633][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858635][T17142]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  863.858638][T17142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.858640][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858643][T17142]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  863.858647][T17142]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  863.858650][T17142]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  863.858654][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858656][T17142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.858659][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858661][T17142]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  863.858664][T17142]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  863.858667][T17142]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  863.858669][T17142]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  863.858672][T17142]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  863.858677][T17142]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  863.858682][T17142]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  863.858684][T17142]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  863.858687][T17142]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  863.858689][T17142]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  863.858694][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858697][T17142]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  863.858700][T17142]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  863.858704][T17142]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  863.858707][T17142]  ? next_uptodate_folio (mm/filemap.c:3747)
[  863.858712][T17142]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  863.858715][T17142]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  863.858719][T17142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.858721][T17142]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  863.858727][T17142]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  863.858731][T17142]  ____sys_sendmsg (net/socket.c:2713)
[  863.858734][T17142]  ? copy_msghdr_from_user (net/socket.c:2650)
[  863.858737][T17142]  ? sock_write_iter (net/socket.c:1269)
[  863.858739][T17142]  ? move_addr_to_kernel (net/socket.c:258)
[  863.858743][T17142]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  863.858747][T17142]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.858750][T17142]  ___sys_sendmsg (net/socket.c:2767)
[  863.858753][T17142]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  863.858756][T17142]  ? copy_msghdr_from_user (net/socket.c:2619)
[  863.858759][T17142]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  863.858766][T17142]  __sys_sendmsg (net/socket.c:2799)
[  863.858774][T17142]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  863.858778][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858780][T17142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.858783][T17142]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  863.858787][T17142]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  863.858790][T17142]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  863.858794][T17142] RIP: 0033:0x7f04514c354e
[  863.858798][T17142] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  863.858801][T17142] RSP: 002b:00007ffe686f2a30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  863.858806][T17142] RAX: ffffffffffffffda RBX: 00007ffe686f31f8 RCX: 00007f04514c354e
[  863.858809][T17142] RDX: 0000000000000000 RSI: 00007ffe686f2ae0 RDI: 0000000000000005
[  863.858810][T17142] RBP: 00007ffe686f2a40 R08: 0000000000000000 R09: 0000000000000000
[  863.858812][T17142] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912889
[  863.858813][T17142] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe686f31b0
| [  899.551381][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  899.551384][   T71] Preemption disabled at:
| [  899.551385][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  899.551399][   T71] Tainted: [W]=WARN
[  899.551400][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  899.551403][   T71] Workqueue: netns cleanup_net
[  899.551409][   T71] Call Trace:
[  899.551411][   T71]  <TASK>
[  899.551414][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  899.551421][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  899.551423][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  899.551427][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  899.551430][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  899.551435][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.551439][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  899.551443][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  899.551447][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  899.551453][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  899.551455][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  899.551459][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  899.551462][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  899.551465][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  899.551469][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  899.551475][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  899.551478][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  899.551481][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  899.551484][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.551485][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.551489][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  899.551493][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  899.551496][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.551498][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.551499][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.551501][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  899.551505][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  899.551508][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  899.551512][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  899.551516][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  899.551519][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  899.551521][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  899.551524][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.551526][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  899.551528][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  899.551531][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  899.551533][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  899.551536][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  899.551539][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  899.551542][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  899.551544][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  899.551546][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  899.551550][   T71]  ? kthread (kernel/kthread.c:436)
[  899.551553][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  899.551557][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  899.551561][   T71]  _printk (kernel/printk/printk.c:2504)
[  899.551565][   T71]  ? snapshot_read.cold (user.c:?)
[  899.551568][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  899.551572][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  899.551576][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  899.551579][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  899.551583][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.551585][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  899.551587][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  899.551591][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  899.551593][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  899.551596][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  899.551600][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  899.551604][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  899.551609][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  899.551612][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  899.551616][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  899.551620][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  899.551623][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  899.551628][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  899.551631][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  899.551635][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  899.551638][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  899.551640][   T71]  process_one_work (kernel/workqueue.c:3387)
[  899.551645][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  899.551650][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  899.551654][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  899.551658][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  899.551661][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  899.551664][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  899.551667][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  899.551670][   T71]  kthread (kernel/kthread.c:436)
[  899.551672][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  899.551675][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  899.551678][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  899.551681][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  899.551685][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  899.551689][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  899.551692][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  901.112436][T18863] softirqs last disabled at (0): 0x0
| [  901.112439][T18863] Preemption disabled at:
| [  901.112441][T18863] vprintk_emit (kernel/printk/printk.c:2471)
| [  901.112454][T18863] Tainted: [W]=WARN
[  901.112456][T18863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  901.112458][T18863] Call Trace:
[  901.112461][T18863]  <TASK>
[  901.112463][T18863]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  901.112470][T18863]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  901.112472][T18863]  __might_resched.cold (kernel/sched/core.c:9234)
[  901.112476][T18863]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  901.112480][T18863]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  901.112484][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112488][T18863]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  901.112492][T18863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  901.112496][T18863]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  901.112503][T18863]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  901.112505][T18863]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  901.112509][T18863]  put_chars (drivers/char/virtio_console.c:1176)
[  901.112512][T18863]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  901.112516][T18863]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  901.112520][T18863]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  901.112526][T18863]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  901.112529][T18863]  ? vsnprintf (lib/vsprintf.c:2900)
[  901.112533][T18863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  901.112536][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112538][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112542][T18863]  console_emit_next_record (kernel/printk/printk.c:3183)
[  901.112546][T18863]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  901.112549][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112551][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112553][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112556][T18863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  901.112559][T18863]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  901.112562][T18863]  console_flush_one_record (kernel/printk/printk.c:3268)
[  901.112566][T18863]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  901.112571][T18863]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  901.112574][T18863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  901.112577][T18863]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  901.112580][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112582][T18863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  901.112584][T18863]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  901.112587][T18863]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  901.112590][T18863]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  901.112593][T18863]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  901.112596][T18863]  vprintk_emit (kernel/printk/printk.c:2479)
[  901.112599][T18863]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  901.112601][T18863]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  901.112604][T18863]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  901.112608][T18863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  901.112611][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112614][T18863]  _printk (kernel/printk/printk.c:2504)
[  901.112618][T18863]  ? snapshot_read.cold (user.c:?)
[  901.112621][T18863]  ? br_multicast_flood (??:?)
[  901.112626][T18863]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  901.112630][T18863]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  901.112632][T18863]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  901.112636][T18863]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  901.112640][T18863]  br_init_port (net/bridge/br_stp_if.c:39)
[  901.112643][T18863]  new_nbp (net/bridge/br_if.c:449)
[  901.112647][T18863]  br_add_if (net/bridge/br_if.c:592)
[  901.112650][T18863]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  901.112656][T18863]  do_set_master (net/core/rtnetlink.c:3071)
[  901.112660][T18863]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  901.112663][T18863]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  901.112665][T18863]  ? __dev_get_by_name (net/core/dev.c:905)
[  901.112668][T18863]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  901.112674][T18863]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  901.112679][T18863]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  901.112682][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112684][T18863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  901.112687][T18863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  901.112689][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112692][T18863]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  901.112696][T18863]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  901.112699][T18863]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  901.112703][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112705][T18863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  901.112708][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112710][T18863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  901.112712][T18863]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  901.112716][T18863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  901.112718][T18863]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  901.112720][T18863]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  901.112726][T18863]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  901.112730][T18863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  901.112733][T18863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  901.112735][T18863]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  901.112738][T18863]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  901.112743][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112745][T18863]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  901.112749][T18863]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  901.112752][T18863]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  901.112756][T18863]  ? next_uptodate_folio (mm/filemap.c:3747)
[  901.112760][T18863]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  901.112763][T18863]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  901.112767][T18863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  901.112769][T18863]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  901.112774][T18863]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  901.112778][T18863]  ____sys_sendmsg (net/socket.c:2713)
[  901.112781][T18863]  ? copy_msghdr_from_user (net/socket.c:2650)
[  901.112783][T18863]  ? sock_write_iter (net/socket.c:1269)
[  901.112786][T18863]  ? move_addr_to_kernel (net/socket.c:258)
[  901.112790][T18863]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  901.112793][T18863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  901.112797][T18863]  ___sys_sendmsg (net/socket.c:2767)
[  901.112799][T18863]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  901.112802][T18863]  ? copy_msghdr_from_user (net/socket.c:2619)
[  901.112805][T18863]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  901.112813][T18863]  __sys_sendmsg (net/socket.c:2799)
[  901.112816][T18863]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  901.112820][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112823][T18863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  901.112825][T18863]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  901.112829][T18863]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  901.112832][T18863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  901.112836][T18863] RIP: 0033:0x7f1fb084754e
[  901.112839][T18863] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  901.112843][T18863] RSP: 002b:00007ffc336c09a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  901.112848][T18863] RAX: ffffffffffffffda RBX: 00007ffc336c1168 RCX: 00007f1fb084754e
[  901.112850][T18863] RDX: 0000000000000000 RSI: 00007ffc336c0a50 RDI: 0000000000000005
[  901.112852][T18863] RBP: 00007ffc336c09b0 R08: 0000000000000000 R09: 0000000000000000
[  901.112854][T18863] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128ae
[  901.112855][T18863] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc336c1120
| [  902.996152][T18932] softirqs last disabled at (0): 0x0
| [  902.996154][T18932] Preemption disabled at:
| [  902.996155][T18932] vprintk_emit (kernel/printk/printk.c:2471)
| [  902.996165][T18932] Tainted: [W]=WARN
[  902.996167][T18932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  902.996168][T18932] Call Trace:
[  902.996170][T18932]  <TASK>
[  902.996171][T18932]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  902.996177][T18932]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  902.996178][T18932]  __might_resched.cold (kernel/sched/core.c:9234)
[  902.996182][T18932]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  902.996186][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996189][T18932]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  902.996192][T18932]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  902.996198][T18932]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  902.996204][T18932]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  902.996206][T18932]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  902.996209][T18932]  put_chars (drivers/char/virtio_console.c:1176)
[  902.996211][T18932]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  902.996212][T18932]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  902.996215][T18932]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  902.996218][T18932]  ? pointer (lib/vsprintf.c:2577)
[  902.996222][T18932]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  902.996227][T18932]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  902.996229][T18932]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  902.996232][T18932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  902.996235][T18932]  console_emit_next_record (kernel/printk/printk.c:3183)
[  902.996238][T18932]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  902.996240][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996241][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996242][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996244][T18932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  902.996246][T18932]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  902.996248][T18932]  console_flush_one_record (kernel/printk/printk.c:3268)
[  902.996251][T18932]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  902.996254][T18932]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  902.996256][T18932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  902.996258][T18932]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  902.996260][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996261][T18932]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  902.996263][T18932]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  902.996264][T18932]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  902.996266][T18932]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  902.996268][T18932]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  902.996270][T18932]  vprintk_emit (kernel/printk/printk.c:2479)
[  902.996272][T18932]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  902.996273][T18932]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  902.996276][T18932]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  902.996278][T18932]  _printk (kernel/printk/printk.c:2504)
[  902.996281][T18932]  ? snapshot_read.cold (user.c:?)
[  902.996284][T18932]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  902.996286][T18932]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  902.996290][T18932]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  902.996292][T18932]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  902.996295][T18932]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  902.996298][T18932]  ? netdev_notice (net/core/dev.c:13194)
[  902.996300][T18932]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  902.996302][T18932]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  902.996305][T18932]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  902.996307][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996308][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996309][T18932]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  902.996312][T18932]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  902.996314][T18932]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  902.996316][T18932]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  902.996317][T18932]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  902.996319][T18932]  ? register_netdev (net/core/dev.c:11618)
[  902.996320][T18932]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  902.996323][T18932]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  902.996326][T18932]  ? __kernel_text_address (kernel/extable.c:79)
[  902.996329][T18932]  ? write_profile (profile.c:?)
[  902.996332][T18932]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  902.996335][T18932]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  902.996338][T18932]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  902.996339][T18932]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  902.996341][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996342][T18932]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  902.996346][T18932]  ? kasan_save_stack (mm/kasan/common.c:58)
[  902.996348][T18932]  ? kasan_save_stack (mm/kasan/common.c:57)
[  902.996349][T18932]  ? kasan_save_track (mm/kasan/common.c:78)
[  902.996350][T18932]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  902.996352][T18932]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  902.996353][T18932]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  902.996355][T18932]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  902.996356][T18932]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  902.996359][T18932]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  902.996361][T18932]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  902.996363][T18932]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  902.996366][T18932]  ? ____sys_sendmsg (net/socket.c:2713)
[  902.996367][T18932]  ? ___sys_sendmsg (net/socket.c:2767)
[  902.996369][T18932]  ? __sys_sendmsg (net/socket.c:2799)
[  902.996371][T18932]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  902.996373][T18932]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  902.996376][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996378][T18932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  902.996379][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996381][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996382][T18932]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  902.996384][T18932]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  902.996385][T18932]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  902.996387][T18932]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  902.996389][T18932]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  902.996390][T18932]  ? nla_get_range_signed (lib/nlattr.c:270)
[  902.996393][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996395][T18932]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  902.996397][T18932]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  902.996400][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996401][T18932]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  902.996402][T18932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  902.996404][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996406][T18932]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  902.996409][T18932]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  902.996410][T18932]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  902.996412][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996413][T18932]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  902.996416][T18932]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  902.996419][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996420][T18932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  902.996422][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996423][T18932]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  902.996424][T18932]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  902.996426][T18932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  902.996428][T18932]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  902.996430][T18932]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  902.996433][T18932]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  902.996435][T18932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  902.996436][T18932]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  902.996438][T18932]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  902.996440][T18932]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  902.996444][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996445][T18932]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  902.996447][T18932]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  902.996450][T18932]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  902.996452][T18932]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  902.996454][T18932]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  902.996456][T18932]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  902.996458][T18932]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  902.996459][T18932]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  902.996461][T18932]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  902.996464][T18932]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  902.996466][T18932]  ____sys_sendmsg (net/socket.c:2713)
[  902.996468][T18932]  ? copy_msghdr_from_user (net/socket.c:2650)
[  902.996470][T18932]  ? sock_write_iter (net/socket.c:1269)
[  902.996471][T18932]  ? move_addr_to_kernel (net/socket.c:258)
[  902.996473][T18932]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  902.996475][T18932]  ___sys_sendmsg (net/socket.c:2767)
[  902.996477][T18932]  ? copy_msghdr_from_user (net/socket.c:2619)
[  902.996482][T18932]  __sys_sendmsg (net/socket.c:2799)
[  902.996484][T18932]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  902.996487][T18932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  902.996489][T18932]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  902.996491][T18932]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  902.996493][T18932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  902.996495][T18932] RIP: 0033:0x7f69c18ef54e
[  902.996497][T18932] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  902.996499][T18932] RSP: 002b:00007fffb2cfe5e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  902.996502][T18932] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f69c18ef54e
[  902.996504][T18932] RDX: 0000000000000000 RSI: 00007fffb2cfe690 RDI: 0000000000000005
[  902.996505][T18932] RBP: 00007fffb2cfe5f0 R08: 0000000000000000 R09: 0000000000000000
[  902.996506][T18932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128b0
[  902.996507][T18932] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb2cfed50
| [  904.439383][T18982] softirqs last disabled at (0): 0x0
| [  904.439386][T18982] Preemption disabled at:
| [  904.439387][T18982] vprintk_emit (kernel/printk/printk.c:2471)
| [  904.439400][T18982] Tainted: [W]=WARN
[  904.439401][T18982] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  904.439404][T18982] Call Trace:
[  904.439406][T18982]  <TASK>
[  904.439407][T18982]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  904.439414][T18982]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  904.439416][T18982]  __might_resched.cold (kernel/sched/core.c:9234)
[  904.439420][T18982]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  904.439423][T18982]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  904.439427][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439431][T18982]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  904.439434][T18982]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  904.439438][T18982]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  904.439444][T18982]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  904.439447][T18982]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  904.439450][T18982]  put_chars (drivers/char/virtio_console.c:1176)
[  904.439453][T18982]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  904.439455][T18982]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  904.439459][T18982]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  904.439465][T18982]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  904.439467][T18982]  ? vsnprintf (lib/vsprintf.c:2900)
[  904.439471][T18982]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  904.439473][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439475][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439478][T18982]  console_emit_next_record (kernel/printk/printk.c:3183)
[  904.439482][T18982]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  904.439485][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439486][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439488][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439489][T18982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  904.439493][T18982]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  904.439495][T18982]  console_flush_one_record (kernel/printk/printk.c:3268)
[  904.439499][T18982]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  904.439503][T18982]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  904.439505][T18982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  904.439507][T18982]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  904.439510][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439511][T18982]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  904.439513][T18982]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  904.439516][T18982]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  904.439518][T18982]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  904.439521][T18982]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  904.439523][T18982]  vprintk_emit (kernel/printk/printk.c:2479)
[  904.439526][T18982]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  904.439528][T18982]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  904.439530][T18982]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  904.439534][T18982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  904.439536][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439539][T18982]  _printk (kernel/printk/printk.c:2504)
[  904.439543][T18982]  ? snapshot_read.cold (user.c:?)
[  904.439546][T18982]  ? br_multicast_flood (??:?)
[  904.439550][T18982]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  904.439554][T18982]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  904.439557][T18982]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  904.439560][T18982]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  904.439565][T18982]  br_init_port (net/bridge/br_stp_if.c:39)
[  904.439568][T18982]  new_nbp (net/bridge/br_if.c:449)
[  904.439571][T18982]  br_add_if (net/bridge/br_if.c:592)
[  904.439574][T18982]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  904.439580][T18982]  do_set_master (net/core/rtnetlink.c:3071)
[  904.439583][T18982]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  904.439586][T18982]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  904.439589][T18982]  ? __dev_get_by_name (net/core/dev.c:905)
[  904.439592][T18982]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  904.439598][T18982]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  904.439602][T18982]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  904.439606][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439608][T18982]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  904.439611][T18982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  904.439613][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439616][T18982]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  904.439620][T18982]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  904.439623][T18982]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  904.439626][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439628][T18982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  904.439631][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439634][T18982]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  904.439636][T18982]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  904.439639][T18982]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  904.439642][T18982]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  904.439645][T18982]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  904.439651][T18982]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  904.439655][T18982]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  904.439657][T18982]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  904.439660][T18982]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  904.439663][T18982]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  904.439668][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439670][T18982]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  904.439674][T18982]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  904.439677][T18982]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  904.439681][T18982]  ? next_uptodate_folio (mm/filemap.c:3747)
[  904.439685][T18982]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  904.439689][T18982]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  904.439692][T18982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  904.439695][T18982]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  904.439700][T18982]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  904.439704][T18982]  ____sys_sendmsg (net/socket.c:2713)
[  904.439707][T18982]  ? copy_msghdr_from_user (net/socket.c:2650)
[  904.439710][T18982]  ? sock_write_iter (net/socket.c:1269)
[  904.439712][T18982]  ? move_addr_to_kernel (net/socket.c:258)
[  904.439716][T18982]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  904.439720][T18982]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  904.439723][T18982]  ___sys_sendmsg (net/socket.c:2767)
[  904.439726][T18982]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  904.439729][T18982]  ? copy_msghdr_from_user (net/socket.c:2619)
[  904.439732][T18982]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  904.439740][T18982]  __sys_sendmsg (net/socket.c:2799)
[  904.439743][T18982]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  904.439747][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439750][T18982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  904.439752][T18982]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  904.439756][T18982]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  904.439759][T18982]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  904.439763][T18982] RIP: 0033:0x7fd46d1db54e
[  904.439767][T18982] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  904.439770][T18982] RSP: 002b:00007ffe3b184100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  904.439775][T18982] RAX: ffffffffffffffda RBX: 00007ffe3b1848c8 RCX: 00007fd46d1db54e
[  904.439777][T18982] RDX: 0000000000000000 RSI: 00007ffe3b1841b0 RDI: 0000000000000005
[  904.439779][T18982] RBP: 00007ffe3b184110 R08: 0000000000000000 R09: 0000000000000000
[  904.439781][T18982] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128b1
[  904.439782][T18982] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3b184880
| [  940.075267][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  940.075270][   T71] Preemption disabled at:
| [  940.075271][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  940.075282][   T71] Tainted: [W]=WARN
[  940.075283][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  940.075285][   T71] Workqueue: netns cleanup_net
[  940.075291][   T71] Call Trace:
[  940.075293][   T71]  <TASK>
[  940.075294][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  940.075300][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  940.075302][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  940.075305][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  940.075307][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  940.075311][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  940.075314][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  940.075317][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  940.075320][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  940.075325][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  940.075327][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  940.075330][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  940.075331][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  940.075333][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  940.075336][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  940.075341][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  940.075343][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  940.075346][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  940.075348][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  940.075349][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  940.075351][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  940.075354][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  940.075356][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  940.075357][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  940.075359][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  940.075360][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  940.075362][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  940.075364][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  940.075367][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  940.075370][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  940.075372][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  940.075374][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  940.075376][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  940.075377][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  940.075379][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  940.075380][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  940.075382][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  940.075384][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  940.075385][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  940.075387][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  940.075389][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  940.075390][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  940.075393][   T71]  ? kthread (kernel/kthread.c:436)
[  940.075395][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  940.075398][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  940.075401][   T71]  _printk (kernel/printk/printk.c:2504)
[  940.075404][   T71]  ? snapshot_read.cold (user.c:?)
[  940.075407][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  940.075410][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  940.075412][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  940.075415][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  940.075417][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  940.075418][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  940.075420][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  940.075423][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  940.075424][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  940.075426][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  940.075428][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  940.075431][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  940.075435][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  940.075437][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  940.075440][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  940.075442][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  940.075444][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  940.075447][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  940.075449][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  940.075451][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  940.075453][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  940.075455][   T71]  process_one_work (kernel/workqueue.c:3387)
[  940.075458][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  940.075461][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  940.075463][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  940.075466][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  940.075468][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  940.075470][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  940.075472][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  940.075474][   T71]  kthread (kernel/kthread.c:436)
[  940.075475][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  940.075477][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  940.075479][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  940.075481][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  940.075483][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  940.075486][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  940.075489][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  941.684859][T20776] softirqs last disabled at (0): 0x0
| [  941.684861][T20776] Preemption disabled at:
| [  941.684862][T20776] vprintk_emit (kernel/printk/printk.c:2471)
| [  941.684872][T20776] Tainted: [W]=WARN
[  941.684873][T20776] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  941.684875][T20776] Call Trace:
[  941.684877][T20776]  <TASK>
[  941.684878][T20776]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  941.684884][T20776]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  941.684886][T20776]  __might_resched.cold (kernel/sched/core.c:9234)
[  941.684890][T20776]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  941.684892][T20776]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  941.684895][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.684898][T20776]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  941.684901][T20776]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  941.684904][T20776]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  941.684909][T20776]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  941.684911][T20776]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  941.684914][T20776]  put_chars (drivers/char/virtio_console.c:1176)
[  941.684916][T20776]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  941.684918][T20776]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  941.684921][T20776]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  941.684926][T20776]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  941.684928][T20776]  ? vsnprintf (lib/vsprintf.c:2900)
[  941.684931][T20776]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  941.684933][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.684934][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.684936][T20776]  console_emit_next_record (kernel/printk/printk.c:3183)
[  941.684939][T20776]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  941.684941][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.684942][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.684943][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.684944][T20776]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  941.684947][T20776]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  941.684949][T20776]  console_flush_one_record (kernel/printk/printk.c:3268)
[  941.684951][T20776]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  941.684954][T20776]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  941.684956][T20776]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  941.684958][T20776]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  941.684960][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.684961][T20776]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  941.684962][T20776]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  941.684964][T20776]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  941.684966][T20776]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  941.684968][T20776]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  941.684969][T20776]  vprintk_emit (kernel/printk/printk.c:2479)
[  941.684971][T20776]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  941.684972][T20776]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  941.684974][T20776]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  941.684977][T20776]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  941.684979][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.684980][T20776]  _printk (kernel/printk/printk.c:2504)
[  941.684983][T20776]  ? snapshot_read.cold (user.c:?)
[  941.684986][T20776]  ? br_multicast_flood (??:?)
[  941.684989][T20776]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  941.684992][T20776]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  941.684993][T20776]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  941.684995][T20776]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  941.684998][T20776]  br_init_port (net/bridge/br_stp_if.c:39)
[  941.685000][T20776]  new_nbp (net/bridge/br_if.c:449)
[  941.685002][T20776]  br_add_if (net/bridge/br_if.c:592)
[  941.685004][T20776]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  941.685008][T20776]  do_set_master (net/core/rtnetlink.c:3071)
[  941.685010][T20776]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  941.685012][T20776]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  941.685013][T20776]  ? __dev_get_by_name (net/core/dev.c:905)
[  941.685015][T20776]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  941.685019][T20776]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  941.685022][T20776]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  941.685024][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.685026][T20776]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  941.685027][T20776]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  941.685029][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.685030][T20776]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  941.685033][T20776]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  941.685035][T20776]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  941.685037][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.685038][T20776]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  941.685040][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.685041][T20776]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  941.685043][T20776]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  941.685045][T20776]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  941.685046][T20776]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  941.685048][T20776]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  941.685052][T20776]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  941.685055][T20776]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  941.685056][T20776]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  941.685058][T20776]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  941.685059][T20776]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  941.685063][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.685064][T20776]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  941.685066][T20776]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  941.685069][T20776]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  941.685071][T20776]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  941.685074][T20776]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  941.685077][T20776]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  941.685079][T20776]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  941.685081][T20776]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  941.685083][T20776]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  941.685086][T20776]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  941.685089][T20776]  ____sys_sendmsg (net/socket.c:2713)
[  941.685091][T20776]  ? copy_msghdr_from_user (net/socket.c:2650)
[  941.685093][T20776]  ? sock_write_iter (net/socket.c:1269)
[  941.685095][T20776]  ? move_addr_to_kernel (net/socket.c:258)
[  941.685097][T20776]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  941.685099][T20776]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  941.685102][T20776]  ___sys_sendmsg (net/socket.c:2767)
[  941.685103][T20776]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  941.685105][T20776]  ? copy_msghdr_from_user (net/socket.c:2619)
[  941.685107][T20776]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  941.685112][T20776]  __sys_sendmsg (net/socket.c:2799)
[  941.685114][T20776]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  941.685117][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.685118][T20776]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  941.685120][T20776]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  941.685122][T20776]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  941.685124][T20776]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  941.685127][T20776] RIP: 0033:0x7f9232de854e
[  941.685129][T20776] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  941.685131][T20776] RSP: 002b:00007ffd53c736d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  941.685134][T20776] RAX: ffffffffffffffda RBX: 00007ffd53c73e98 RCX: 00007f9232de854e
[  941.685136][T20776] RDX: 0000000000000000 RSI: 00007ffd53c73780 RDI: 0000000000000005
[  941.685137][T20776] RBP: 00007ffd53c736e0 R08: 0000000000000000 R09: 0000000000000000
[  941.685138][T20776] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128d7
[  941.685139][T20776] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd53c73e50
| [  943.561829][T20845] softirqs last disabled at (0): 0x0
| [  943.561831][T20845] Preemption disabled at:
| [  943.561832][T20845] vprintk_emit (kernel/printk/printk.c:2471)
| [  943.561842][T20845] Tainted: [W]=WARN
[  943.561843][T20845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  943.561845][T20845] Call Trace:
[  943.561847][T20845]  <TASK>
[  943.561848][T20845]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  943.561854][T20845]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  943.561856][T20845]  __might_resched.cold (kernel/sched/core.c:9234)
[  943.561860][T20845]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  943.561863][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.561866][T20845]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  943.561869][T20845]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  943.561872][T20845]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  943.561877][T20845]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  943.561879][T20845]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  943.561882][T20845]  put_chars (drivers/char/virtio_console.c:1176)
[  943.561884][T20845]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  943.561885][T20845]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  943.561887][T20845]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  943.561889][T20845]  ? pointer (lib/vsprintf.c:2577)
[  943.561893][T20845]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  943.561898][T20845]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  943.561900][T20845]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  943.561902][T20845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  943.561904][T20845]  console_emit_next_record (kernel/printk/printk.c:3183)
[  943.561907][T20845]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  943.561910][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.561911][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.561912][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.561913][T20845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  943.561915][T20845]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  943.561917][T20845]  console_flush_one_record (kernel/printk/printk.c:3268)
[  943.561920][T20845]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  943.561923][T20845]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  943.561924][T20845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  943.561926][T20845]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  943.561928][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.561929][T20845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  943.561931][T20845]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  943.561932][T20845]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  943.561934][T20845]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  943.561936][T20845]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  943.561938][T20845]  vprintk_emit (kernel/printk/printk.c:2479)
[  943.561940][T20845]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  943.561941][T20845]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  943.561943][T20845]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  943.561946][T20845]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  943.561949][T20845]  _printk (kernel/printk/printk.c:2504)
[  943.561952][T20845]  ? snapshot_read.cold (user.c:?)
[  943.561954][T20845]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  943.561957][T20845]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  943.561960][T20845]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  943.561962][T20845]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  943.561966][T20845]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  943.561968][T20845]  ? netdev_notice (net/core/dev.c:13194)
[  943.561970][T20845]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  943.561972][T20845]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  943.561975][T20845]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  943.561977][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.561978][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.561979][T20845]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  943.561980][T20845]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  943.561982][T20845]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  943.561984][T20845]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  943.561985][T20845]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  943.561987][T20845]  ? register_netdev (net/core/dev.c:11618)
[  943.561988][T20845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  943.561991][T20845]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  943.561993][T20845]  ? __kernel_text_address (kernel/extable.c:79)
[  943.561996][T20845]  ? write_profile (profile.c:?)
[  943.561999][T20845]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  943.562003][T20845]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  943.562005][T20845]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  943.562007][T20845]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  943.562008][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562009][T20845]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  943.562013][T20845]  ? kasan_save_stack (mm/kasan/common.c:58)
[  943.562015][T20845]  ? kasan_save_stack (mm/kasan/common.c:57)
[  943.562016][T20845]  ? kasan_save_track (mm/kasan/common.c:78)
[  943.562017][T20845]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  943.562018][T20845]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  943.562019][T20845]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  943.562020][T20845]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  943.562022][T20845]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  943.562025][T20845]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  943.562026][T20845]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  943.562028][T20845]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  943.562031][T20845]  ? ____sys_sendmsg (net/socket.c:2713)
[  943.562032][T20845]  ? ___sys_sendmsg (net/socket.c:2767)
[  943.562034][T20845]  ? __sys_sendmsg (net/socket.c:2799)
[  943.562035][T20845]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  943.562038][T20845]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  943.562040][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562042][T20845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  943.562043][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562044][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562046][T20845]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  943.562047][T20845]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  943.562048][T20845]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  943.562050][T20845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  943.562051][T20845]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  943.562053][T20845]  ? nla_get_range_signed (lib/nlattr.c:270)
[  943.562056][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562057][T20845]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  943.562060][T20845]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  943.562062][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562063][T20845]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  943.562064][T20845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  943.562066][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562067][T20845]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  943.562070][T20845]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  943.562071][T20845]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  943.562073][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562074][T20845]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  943.562077][T20845]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  943.562080][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562081][T20845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  943.562083][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562084][T20845]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  943.562085][T20845]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  943.562087][T20845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  943.562089][T20845]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  943.562090][T20845]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  943.562093][T20845]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  943.562095][T20845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  943.562096][T20845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  943.562098][T20845]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  943.562100][T20845]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  943.562103][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562104][T20845]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  943.562106][T20845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  943.562109][T20845]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  943.562111][T20845]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  943.562113][T20845]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  943.562115][T20845]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  943.562117][T20845]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  943.562119][T20845]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  943.562120][T20845]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  943.562124][T20845]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  943.562126][T20845]  ____sys_sendmsg (net/socket.c:2713)
[  943.562128][T20845]  ? copy_msghdr_from_user (net/socket.c:2650)
[  943.562129][T20845]  ? sock_write_iter (net/socket.c:1269)
[  943.562131][T20845]  ? move_addr_to_kernel (net/socket.c:258)
[  943.562132][T20845]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  943.562135][T20845]  ___sys_sendmsg (net/socket.c:2767)
[  943.562137][T20845]  ? copy_msghdr_from_user (net/socket.c:2619)
[  943.562142][T20845]  __sys_sendmsg (net/socket.c:2799)
[  943.562145][T20845]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  943.562147][T20845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  943.562149][T20845]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  943.562151][T20845]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  943.562153][T20845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  943.562155][T20845] RIP: 0033:0x7fdbdc24854e
[  943.562157][T20845] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  943.562159][T20845] RSP: 002b:00007ffddcf88ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  943.562163][T20845] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdbdc24854e
[  943.562164][T20845] RDX: 0000000000000000 RSI: 00007ffddcf890a0 RDI: 0000000000000005
[  943.562165][T20845] RBP: 00007ffddcf89000 R08: 0000000000000000 R09: 0000000000000000
[  943.562166][T20845] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128d8
[  943.562167][T20845] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddcf89760
| [  945.021442][T20902] softirqs last disabled at (0): 0x0
| [  945.021444][T20902] Preemption disabled at:
| [  945.021445][T20902] vprintk_emit (kernel/printk/printk.c:2471)
| [  945.021456][T20902] Tainted: [W]=WARN
[  945.021457][T20902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  945.021459][T20902] Call Trace:
[  945.021461][T20902]  <TASK>
[  945.021462][T20902]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  945.021468][T20902]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  945.021470][T20902]  __might_resched.cold (kernel/sched/core.c:9234)
[  945.021474][T20902]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  945.021476][T20902]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  945.021480][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021483][T20902]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  945.021486][T20902]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  945.021490][T20902]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  945.021496][T20902]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  945.021498][T20902]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  945.021501][T20902]  put_chars (drivers/char/virtio_console.c:1176)
[  945.021503][T20902]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  945.021505][T20902]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  945.021508][T20902]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  945.021513][T20902]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  945.021515][T20902]  ? vsnprintf (lib/vsprintf.c:2900)
[  945.021519][T20902]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  945.021521][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021522][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021524][T20902]  console_emit_next_record (kernel/printk/printk.c:3183)
[  945.021527][T20902]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  945.021530][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021531][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021532][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021534][T20902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  945.021536][T20902]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  945.021539][T20902]  console_flush_one_record (kernel/printk/printk.c:3268)
[  945.021542][T20902]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  945.021545][T20902]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  945.021547][T20902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  945.021549][T20902]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  945.021551][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021553][T20902]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  945.021554][T20902]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  945.021556][T20902]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  945.021558][T20902]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  945.021561][T20902]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  945.021562][T20902]  vprintk_emit (kernel/printk/printk.c:2479)
[  945.021564][T20902]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  945.021565][T20902]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  945.021567][T20902]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  945.021570][T20902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  945.021572][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021574][T20902]  _printk (kernel/printk/printk.c:2504)
[  945.021577][T20902]  ? snapshot_read.cold (user.c:?)
[  945.021579][T20902]  ? br_multicast_flood (??:?)
[  945.021583][T20902]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  945.021586][T20902]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  945.021587][T20902]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  945.021589][T20902]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  945.021593][T20902]  br_init_port (net/bridge/br_stp_if.c:39)
[  945.021595][T20902]  new_nbp (net/bridge/br_if.c:449)
[  945.021598][T20902]  br_add_if (net/bridge/br_if.c:592)
[  945.021600][T20902]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  945.021605][T20902]  do_set_master (net/core/rtnetlink.c:3071)
[  945.021607][T20902]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  945.021609][T20902]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  945.021611][T20902]  ? __dev_get_by_name (net/core/dev.c:905)
[  945.021613][T20902]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  945.021618][T20902]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  945.021621][T20902]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  945.021624][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021625][T20902]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  945.021627][T20902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  945.021629][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021631][T20902]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  945.021634][T20902]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  945.021636][T20902]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  945.021639][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021640][T20902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  945.021641][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021643][T20902]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  945.021644][T20902]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  945.021646][T20902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  945.021648][T20902]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  945.021649][T20902]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  945.021654][T20902]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  945.021657][T20902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  945.021658][T20902]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  945.021660][T20902]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  945.021662][T20902]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  945.021665][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021666][T20902]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  945.021668][T20902]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  945.021671][T20902]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  945.021673][T20902]  ? next_uptodate_folio (mm/filemap.c:3747)
[  945.021676][T20902]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  945.021678][T20902]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  945.021681][T20902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  945.021682][T20902]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  945.021686][T20902]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  945.021689][T20902]  ____sys_sendmsg (net/socket.c:2713)
[  945.021691][T20902]  ? copy_msghdr_from_user (net/socket.c:2650)
[  945.021693][T20902]  ? sock_write_iter (net/socket.c:1269)
[  945.021695][T20902]  ? move_addr_to_kernel (net/socket.c:258)
[  945.021698][T20902]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  945.021700][T20902]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  945.021702][T20902]  ___sys_sendmsg (net/socket.c:2767)
[  945.021704][T20902]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  945.021706][T20902]  ? copy_msghdr_from_user (net/socket.c:2619)
[  945.021708][T20902]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  945.021713][T20902]  __sys_sendmsg (net/socket.c:2799)
[  945.021716][T20902]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  945.021719][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021720][T20902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  945.021722][T20902]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  945.021724][T20902]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  945.021727][T20902]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  945.021729][T20902] RIP: 0033:0x7fab9aad154e
[  945.021731][T20902] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  945.021733][T20902] RSP: 002b:00007ffdb28b9020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  945.021737][T20902] RAX: ffffffffffffffda RBX: 00007ffdb28b97e8 RCX: 00007fab9aad154e
[  945.021739][T20902] RDX: 0000000000000000 RSI: 00007ffdb28b90d0 RDI: 0000000000000005
[  945.021740][T20902] RBP: 00007ffdb28b9030 R08: 0000000000000000 R09: 0000000000000000
[  945.021741][T20902] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128da
[  945.021742][T20902] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb28b97a0
| [  980.645863][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  980.645865][   T71] Preemption disabled at:
| [  980.645866][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [  980.645878][   T71] Tainted: [W]=WARN
[  980.645879][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  980.645881][   T71] Workqueue: netns cleanup_net
[  980.645887][   T71] Call Trace:
[  980.645889][   T71]  <TASK>
[  980.645891][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  980.645897][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  980.645898][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[  980.645902][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  980.645904][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  980.645907][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  980.645910][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  980.645913][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  980.645916][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  980.645921][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  980.645922][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  980.645926][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[  980.645927][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  980.645929][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  980.645932][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  980.645937][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  980.645939][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  980.645941][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  980.645943][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  980.645944][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  980.645946][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[  980.645949][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  980.645951][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  980.645952][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  980.645953][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  980.645955][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  980.645957][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  980.645959][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[  980.645961][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  980.645964][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  980.645966][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  980.645968][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  980.645970][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  980.645971][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  980.645972][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  980.645974][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  980.645976][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  980.645978][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  980.645979][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[  980.645981][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  980.645982][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[  980.645984][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  980.645987][   T71]  ? kthread (kernel/kthread.c:436)
[  980.645989][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  980.645992][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  980.645995][   T71]  _printk (kernel/printk/printk.c:2504)
[  980.645998][   T71]  ? snapshot_read.cold (user.c:?)
[  980.646001][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  980.646004][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  980.646006][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  980.646009][   T71]  ? netdev_notice (net/core/dev.c:13194)
[  980.646011][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  980.646013][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  980.646014][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  980.646017][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  980.646019][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  980.646020][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  980.646023][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[  980.646026][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  980.646030][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[  980.646032][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[  980.646034][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  980.646037][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[  980.646039][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  980.646042][   T71]  cleanup_net (net/core/net_namespace.c:706)
[  980.646044][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[  980.646046][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  980.646048][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  980.646049][   T71]  process_one_work (kernel/workqueue.c:3387)
[  980.646052][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  980.646055][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  980.646058][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  980.646060][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  980.646062][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  980.646064][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  980.646066][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  980.646068][   T71]  kthread (kernel/kthread.c:436)
[  980.646070][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  980.646071][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  980.646073][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[  980.646075][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  980.646077][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  980.646081][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  980.646083][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  982.213905][T22498] softirqs last disabled at (0): 0x0
| [  982.213908][T22498] Preemption disabled at:
| [  982.213909][T22498] vprintk_emit (kernel/printk/printk.c:2471)
| [  982.213923][T22498] Tainted: [W]=WARN
[  982.213924][T22498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  982.213927][T22498] Call Trace:
[  982.213929][T22498]  <TASK>
[  982.213931][T22498]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  982.213938][T22498]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  982.213940][T22498]  __might_resched.cold (kernel/sched/core.c:9234)
[  982.213946][T22498]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  982.213949][T22498]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  982.213953][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.213957][T22498]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  982.213961][T22498]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  982.213965][T22498]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  982.213972][T22498]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  982.213975][T22498]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  982.213979][T22498]  put_chars (drivers/char/virtio_console.c:1176)
[  982.213982][T22498]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  982.213985][T22498]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  982.213989][T22498]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  982.213996][T22498]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  982.213999][T22498]  ? vsnprintf (lib/vsprintf.c:2900)
[  982.214003][T22498]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  982.214005][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214007][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214011][T22498]  console_emit_next_record (kernel/printk/printk.c:3183)
[  982.214015][T22498]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  982.214018][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214020][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214022][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214024][T22498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  982.214028][T22498]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  982.214031][T22498]  console_flush_one_record (kernel/printk/printk.c:3268)
[  982.214035][T22498]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  982.214040][T22498]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  982.214042][T22498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  982.214045][T22498]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  982.214048][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214050][T22498]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  982.214053][T22498]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  982.214056][T22498]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  982.214058][T22498]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  982.214062][T22498]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  982.214064][T22498]  vprintk_emit (kernel/printk/printk.c:2479)
[  982.214067][T22498]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  982.214069][T22498]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  982.214072][T22498]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  982.214076][T22498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  982.214079][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214082][T22498]  _printk (kernel/printk/printk.c:2504)
[  982.214086][T22498]  ? snapshot_read.cold (user.c:?)
[  982.214089][T22498]  ? br_multicast_flood (??:?)
[  982.214094][T22498]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  982.214098][T22498]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  982.214100][T22498]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  982.214103][T22498]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  982.214107][T22498]  br_init_port (net/bridge/br_stp_if.c:39)
[  982.214110][T22498]  new_nbp (net/bridge/br_if.c:449)
[  982.214114][T22498]  br_add_if (net/bridge/br_if.c:592)
[  982.214117][T22498]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  982.214123][T22498]  do_set_master (net/core/rtnetlink.c:3071)
[  982.214126][T22498]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  982.214130][T22498]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  982.214132][T22498]  ? __dev_get_by_name (net/core/dev.c:905)
[  982.214135][T22498]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  982.214141][T22498]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  982.214146][T22498]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  982.214150][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214152][T22498]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  982.214154][T22498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  982.214157][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214160][T22498]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  982.214163][T22498]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  982.214166][T22498]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  982.214169][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214172][T22498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  982.214174][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214176][T22498]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  982.214179][T22498]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  982.214182][T22498]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  982.214184][T22498]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  982.214187][T22498]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  982.214193][T22498]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  982.214200][T22498]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  982.214202][T22498]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  982.214205][T22498]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  982.214208][T22498]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  982.214213][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214215][T22498]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  982.214219][T22498]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  982.214222][T22498]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  982.214226][T22498]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  982.214229][T22498]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  982.214233][T22498]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  982.214237][T22498]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  982.214241][T22498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  982.214243][T22498]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  982.214248][T22498]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  982.214252][T22498]  ____sys_sendmsg (net/socket.c:2713)
[  982.214255][T22498]  ? copy_msghdr_from_user (net/socket.c:2650)
[  982.214258][T22498]  ? sock_write_iter (net/socket.c:1269)
[  982.214260][T22498]  ? move_addr_to_kernel (net/socket.c:258)
[  982.214264][T22498]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  982.214268][T22498]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  982.214271][T22498]  ___sys_sendmsg (net/socket.c:2767)
[  982.214274][T22498]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  982.214277][T22498]  ? copy_msghdr_from_user (net/socket.c:2619)
[  982.214279][T22498]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  982.214287][T22498]  __sys_sendmsg (net/socket.c:2799)
[  982.214290][T22498]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  982.214295][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214297][T22498]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  982.214300][T22498]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  982.214303][T22498]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  982.214306][T22498]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  982.214310][T22498] RIP: 0033:0x7fc8ce09054e
[  982.214313][T22498] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  982.214316][T22498] RSP: 002b:00007fff1e019f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  982.214321][T22498] RAX: ffffffffffffffda RBX: 00007fff1e01a6f8 RCX: 00007fc8ce09054e
[  982.214323][T22498] RDX: 0000000000000000 RSI: 00007fff1e019fe0 RDI: 0000000000000005
[  982.214325][T22498] RBP: 00007fff1e019f40 R08: 0000000000000000 R09: 0000000000000000
[  982.214327][T22498] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9128ff
[  982.214328][T22498] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1e01a6b0
| [  983.917336][T22567] softirqs last disabled at (0): 0x0
| [  983.917338][T22567] Preemption disabled at:
| [  983.917339][T22567] vprintk_emit (kernel/printk/printk.c:2471)
| [  983.917350][T22567] Tainted: [W]=WARN
[  983.917351][T22567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  983.917353][T22567] Call Trace:
[  983.917354][T22567]  <TASK>
[  983.917355][T22567]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  983.917361][T22567]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  983.917363][T22567]  __might_resched.cold (kernel/sched/core.c:9234)
[  983.917367][T22567]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  983.917371][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917374][T22567]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  983.917377][T22567]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  983.917380][T22567]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  983.917385][T22567]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  983.917387][T22567]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  983.917390][T22567]  put_chars (drivers/char/virtio_console.c:1176)
[  983.917392][T22567]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  983.917393][T22567]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  983.917395][T22567]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  983.917398][T22567]  ? pointer (lib/vsprintf.c:2577)
[  983.917401][T22567]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  983.917406][T22567]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  983.917408][T22567]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  983.917410][T22567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  983.917413][T22567]  console_emit_next_record (kernel/printk/printk.c:3183)
[  983.917416][T22567]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  983.917418][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917419][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917420][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917421][T22567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  983.917423][T22567]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  983.917425][T22567]  console_flush_one_record (kernel/printk/printk.c:3268)
[  983.917428][T22567]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  983.917431][T22567]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  983.917432][T22567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  983.917434][T22567]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  983.917436][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917437][T22567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  983.917439][T22567]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  983.917440][T22567]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  983.917442][T22567]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  983.917444][T22567]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  983.917445][T22567]  vprintk_emit (kernel/printk/printk.c:2479)
[  983.917447][T22567]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  983.917449][T22567]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  983.917451][T22567]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  983.917455][T22567]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  983.917457][T22567]  _printk (kernel/printk/printk.c:2504)
[  983.917460][T22567]  ? snapshot_read.cold (user.c:?)
[  983.917462][T22567]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  983.917465][T22567]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  983.917468][T22567]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  983.917470][T22567]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  983.917473][T22567]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  983.917476][T22567]  ? netdev_notice (net/core/dev.c:13194)
[  983.917478][T22567]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  983.917480][T22567]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  983.917482][T22567]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  983.917484][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917485][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917486][T22567]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  983.917488][T22567]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  983.917489][T22567]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40)
[  983.917491][T22567]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  983.917492][T22567]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  983.917494][T22567]  ? register_netdev (net/core/dev.c:11618)
[  983.917495][T22567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  983.917497][T22567]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  983.917500][T22567]  ? __kernel_text_address (kernel/extable.c:79)
[  983.917503][T22567]  ? write_profile (profile.c:?)
[  983.917506][T22567]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  983.917515][T22567]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  983.917517][T22567]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  983.917518][T22567]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  983.917520][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917521][T22567]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  983.917524][T22567]  ? kasan_save_stack (mm/kasan/common.c:58)
[  983.917526][T22567]  ? kasan_save_stack (mm/kasan/common.c:57)
[  983.917527][T22567]  ? kasan_save_track (mm/kasan/common.c:78)
[  983.917529][T22567]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  983.917530][T22567]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  983.917531][T22567]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  983.917532][T22567]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  983.917534][T22567]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  983.917537][T22567]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  983.917539][T22567]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  983.917540][T22567]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  983.917543][T22567]  ? ____sys_sendmsg (net/socket.c:2713)
[  983.917544][T22567]  ? ___sys_sendmsg (net/socket.c:2767)
[  983.917546][T22567]  ? __sys_sendmsg (net/socket.c:2799)
[  983.917548][T22567]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  983.917550][T22567]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  983.917553][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917554][T22567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  983.917556][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917557][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917558][T22567]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  983.917559][T22567]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  983.917561][T22567]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  983.917562][T22567]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  983.917563][T22567]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  983.917565][T22567]  ? nla_get_range_signed (lib/nlattr.c:270)
[  983.917568][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917570][T22567]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  983.917572][T22567]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  983.917574][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917575][T22567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  983.917576][T22567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  983.917578][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917579][T22567]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  983.917582][T22567]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  983.917583][T22567]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  983.917585][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917586][T22567]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  983.917589][T22567]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  983.917591][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917592][T22567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  983.917594][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917595][T22567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  983.917597][T22567]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  983.917599][T22567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  983.917600][T22567]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  983.917602][T22567]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  983.917604][T22567]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  983.917606][T22567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  983.917608][T22567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  983.917609][T22567]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  983.917611][T22567]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  983.917614][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917616][T22567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  983.917618][T22567]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  983.917620][T22567]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  983.917622][T22567]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  983.917624][T22567]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  983.917627][T22567]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  983.917628][T22567]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  983.917630][T22567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  983.917632][T22567]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  983.917635][T22567]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  983.917637][T22567]  ____sys_sendmsg (net/socket.c:2713)
[  983.917639][T22567]  ? copy_msghdr_from_user (net/socket.c:2650)
[  983.917641][T22567]  ? sock_write_iter (net/socket.c:1269)
[  983.917642][T22567]  ? move_addr_to_kernel (net/socket.c:258)
[  983.917644][T22567]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  983.917647][T22567]  ___sys_sendmsg (net/socket.c:2767)
[  983.917649][T22567]  ? copy_msghdr_from_user (net/socket.c:2619)
[  983.917654][T22567]  __sys_sendmsg (net/socket.c:2799)
[  983.917656][T22567]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  983.917658][T22567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  983.917660][T22567]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  983.917662][T22567]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  983.917664][T22567]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  983.917665][T22567] RIP: 0033:0x7f43eecdf54e
[  983.917667][T22567] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  983.917669][T22567] RSP: 002b:00007fffc7a2bad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  983.917673][T22567] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f43eecdf54e
[  983.917675][T22567] RDX: 0000000000000000 RSI: 00007fffc7a2bb80 RDI: 0000000000000005
[  983.917676][T22567] RBP: 00007fffc7a2bae0 R08: 0000000000000000 R09: 0000000000000000
[  983.917676][T22567] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912901
[  983.917677][T22567] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc7a2c240
| [  985.363163][T22624] softirqs last disabled at (0): 0x0
| [  985.363165][T22624] Preemption disabled at:
| [  985.363166][T22624] vprintk_emit (kernel/printk/printk.c:2471)
| [  985.363177][T22624] Tainted: [W]=WARN
[  985.363178][T22624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  985.363180][T22624] Call Trace:
[  985.363182][T22624]  <TASK>
[  985.363183][T22624]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  985.363189][T22624]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  985.363190][T22624]  __might_resched.cold (kernel/sched/core.c:9234)
[  985.363194][T22624]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  985.363198][T22624]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  985.363201][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363204][T22624]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  985.363207][T22624]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  985.363210][T22624]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  985.363215][T22624]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  985.363217][T22624]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  985.363220][T22624]  put_chars (drivers/char/virtio_console.c:1176)
[  985.363222][T22624]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  985.363224][T22624]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  985.363226][T22624]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  985.363231][T22624]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  985.363233][T22624]  ? vsnprintf (lib/vsprintf.c:2900)
[  985.363237][T22624]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  985.363238][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363240][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363241][T22624]  console_emit_next_record (kernel/printk/printk.c:3183)
[  985.363244][T22624]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  985.363246][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363248][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363249][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363250][T22624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  985.363252][T22624]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  985.363254][T22624]  console_flush_one_record (kernel/printk/printk.c:3268)
[  985.363257][T22624]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  985.363259][T22624]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  985.363261][T22624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  985.363263][T22624]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  985.363265][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363266][T22624]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  985.363268][T22624]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  985.363269][T22624]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  985.363271][T22624]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  985.363273][T22624]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  985.363274][T22624]  vprintk_emit (kernel/printk/printk.c:2479)
[  985.363276][T22624]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  985.363278][T22624]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  985.363279][T22624]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  985.363282][T22624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  985.363284][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363286][T22624]  _printk (kernel/printk/printk.c:2504)
[  985.363289][T22624]  ? snapshot_read.cold (user.c:?)
[  985.363291][T22624]  ? br_multicast_flood (??:?)
[  985.363295][T22624]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  985.363297][T22624]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  985.363299][T22624]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  985.363301][T22624]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  985.363303][T22624]  br_init_port (net/bridge/br_stp_if.c:39)
[  985.363305][T22624]  new_nbp (net/bridge/br_if.c:449)
[  985.363308][T22624]  br_add_if (net/bridge/br_if.c:592)
[  985.363310][T22624]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  985.363314][T22624]  do_set_master (net/core/rtnetlink.c:3071)
[  985.363316][T22624]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  985.363318][T22624]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  985.363319][T22624]  ? __dev_get_by_name (net/core/dev.c:905)
[  985.363321][T22624]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  985.363325][T22624]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  985.363327][T22624]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  985.363329][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363331][T22624]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  985.363332][T22624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  985.363334][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363335][T22624]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  985.363338][T22624]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  985.363340][T22624]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  985.363343][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363344][T22624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  985.363345][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363347][T22624]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  985.363348][T22624]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  985.363350][T22624]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  985.363351][T22624]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  985.363353][T22624]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  985.363357][T22624]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  985.363360][T22624]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  985.363362][T22624]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  985.363364][T22624]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  985.363365][T22624]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  985.363368][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363370][T22624]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  985.363372][T22624]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  985.363374][T22624]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  985.363376][T22624]  ? next_uptodate_folio (mm/filemap.c:3747)
[  985.363379][T22624]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  985.363382][T22624]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  985.363384][T22624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  985.363385][T22624]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  985.363389][T22624]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  985.363392][T22624]  ____sys_sendmsg (net/socket.c:2713)
[  985.363394][T22624]  ? copy_msghdr_from_user (net/socket.c:2650)
[  985.363396][T22624]  ? sock_write_iter (net/socket.c:1269)
[  985.363398][T22624]  ? move_addr_to_kernel (net/socket.c:258)
[  985.363400][T22624]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  985.363403][T22624]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  985.363405][T22624]  ___sys_sendmsg (net/socket.c:2767)
[  985.363407][T22624]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  985.363408][T22624]  ? copy_msghdr_from_user (net/socket.c:2619)
[  985.363410][T22624]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  985.363415][T22624]  __sys_sendmsg (net/socket.c:2799)
[  985.363417][T22624]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  985.363420][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363421][T22624]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  985.363423][T22624]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  985.363426][T22624]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  985.363428][T22624]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  985.363430][T22624] RIP: 0033:0x7f15766a954e
[  985.363432][T22624] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  985.363435][T22624] RSP: 002b:00007ffc3ad803b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  985.363438][T22624] RAX: ffffffffffffffda RBX: 00007ffc3ad80b78 RCX: 00007f15766a954e
[  985.363440][T22624] RDX: 0000000000000000 RSI: 00007ffc3ad80460 RDI: 0000000000000005
[  985.363441][T22624] RBP: 00007ffc3ad803c0 R08: 0000000000000000 R09: 0000000000000000
[  985.363442][T22624] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912902
[  985.363443][T22624] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3ad80b30
| [ 1020.936485][   T71] softirqs last disabled at (4294882): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [ 1020.936487][   T71] Preemption disabled at:
| [ 1020.936488][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [ 1020.936499][   T71] Tainted: [W]=WARN
[ 1020.936500][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1020.936502][   T71] Workqueue: netns cleanup_net
[ 1020.936508][   T71] Call Trace:
[ 1020.936509][   T71]  <TASK>
[ 1020.936511][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 1020.936517][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[ 1020.936518][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[ 1020.936522][   T71]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[ 1020.936524][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 1020.936528][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1020.936530][   T71]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[ 1020.936533][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1020.936536][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1020.936541][   T71]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1020.936543][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1020.936546][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[ 1020.936548][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[ 1020.936549][   T71]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[ 1020.936552][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 1020.936557][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 1020.936559][   T71]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[ 1020.936561][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1020.936563][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1020.936564][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1020.936566][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[ 1020.936569][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 1020.936571][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1020.936572][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1020.936573][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1020.936574][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1020.936577][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 1020.936579][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[ 1020.936582][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 1020.936584][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 1020.936586][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1020.936588][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 1020.936590][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1020.936591][   T71]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1020.936593][   T71]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[ 1020.936595][   T71]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[ 1020.936596][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 1020.936598][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[ 1020.936600][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[ 1020.936602][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 1020.936603][   T71]  ? cleanup_net (net/core/net_namespace.c:706)
[ 1020.936605][   T71]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 1020.936608][   T71]  ? kthread (kernel/kthread.c:436)
[ 1020.936610][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[ 1020.936613][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[ 1020.936616][   T71]  _printk (kernel/printk/printk.c:2504)
[ 1020.936619][   T71]  ? snapshot_read.cold (user.c:?)
[ 1020.936621][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[ 1020.936624][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[ 1020.936627][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[ 1020.936629][   T71]  ? netdev_notice (net/core/dev.c:13194)
[ 1020.936631][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1020.936633][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[ 1020.936634][   T71]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1020.936637][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[ 1020.936639][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[ 1020.936640][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[ 1020.936642][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[ 1020.936645][   T71]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[ 1020.936649][   T71]  br_dev_delete (net/bridge/br_if.c:387)
[ 1020.936651][   T71]  br_net_exit_rtnl (net/bridge/br.c:414)
[ 1020.936654][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[ 1020.936656][   T71]  ? netns_install (./include/linux/ns_common.h:26)
[ 1020.936658][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[ 1020.936661][   T71]  cleanup_net (net/core/net_namespace.c:706)
[ 1020.936663][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[ 1020.936665][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1020.936666][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1020.936668][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1020.936670][   T71]  process_one_work (kernel/workqueue.c:3387)
[ 1020.936673][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[ 1020.936675][   T71]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1020.936678][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 1020.936680][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 1020.936682][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 1020.936685][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 1020.936687][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 1020.936689][   T71]  kthread (kernel/kthread.c:436)
[ 1020.936690][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1020.936692][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[ 1020.936694][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[ 1020.936696][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[ 1020.936698][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1020.936701][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:handle_softirqs:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print