======================================
| [    9.777496][  T209] softirqs last disabled at (23137): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.777500][  T209] Preemption disabled at:
| [    9.777501][  T209] 0x0
| [    9.777514][  T209] Tainted: [W]=WARN
[    9.777516][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.777518][  T209] Call Trace:
[    9.777521][  T209]  <TASK>
[    9.777523][  T209]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.777531][  T209]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.777538][  T209]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.777544][  T209]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.777551][  T209]  __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))
[    9.777555][  T209]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.777566][  T209]  ? 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)
[    9.777569][  T209]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.777576][  T209]  put_chars (drivers/char/virtio_console.c:1176)
[    9.777580][  T209]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.777583][  T209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.777588][  T209]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.777599][  T209]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.777612][  T209]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.777616][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.777620][  T209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.777627][  T209]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.777634][  T209]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.777637][  T209]  ? 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))
[    9.777643][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.777647][  T209]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.777655][  T209]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.777662][  T209]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.777665][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.777675][  T209]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.777680][  T209]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.777683][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.777687][  T209]  ? 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)
[    9.777695][  T209]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.777698][  T209]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.777703][  T209]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.777709][  T209]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.777715][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.777722][  T209]  _printk (kernel/printk/printk.c:2504)
[    9.777727][  T209]  ? snapshot_read.cold (user.c:?)
[    9.777732][  T209]  ? 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)
[    9.777736][  T209]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.777743][  T209]  ? 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)
[    9.777748][  T209]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.777754][  T209]  ? exit_notify (kernel/exit.c:780)
[    9.777756][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.777761][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.777767][  T209]  do_group_exit (kernel/exit.c:1151)
[    9.777772][  T209]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.777775][  T209]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.777779][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.777784][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.777789][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.777793][  T209] RIP: 0033:0x7f92d85ab1b8
[    9.777796][  T209] Code: Unable to access opcode bytes at 0x7f92d85ab18e.

Code starting with the faulting instruction
===========================================
[    9.777798][  T209] RSP: 002b:00007ffd9cec61b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.777801][  T209] RAX: ffffffffffffffda RBX: 00007f92d86dbf88 RCX: 00007f92d85ab1b8
[    9.777803][  T209] RDX: 00007f92d82f5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.777805][  T209] RBP: 00007ffd9cec6210 R08: 0000000000000000 R09: 0000000000000050
[    9.777806][  T209] R10: 00007ffd9cec5fd0 R11: 0000000000000246 R12: 0000000000000001
[    9.777807][  T209] R13: 0000000000000000 R14: 00007f92d86da680 R15: 00007f92d86dbfa0
| [   11.146711][  T261] softirqs last disabled at (25942): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   11.146713][  T261] Preemption disabled at:
| [   11.146714][  T261] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.146722][  T261] Tainted: [W]=WARN
[   11.146723][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.146725][  T261] Call Trace:
[   11.146726][  T261]  <TASK>
[   11.146728][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.146734][  T261]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.146735][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.146740][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.146744][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.146748][  T261]  __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))
[   11.146750][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.146757][  T261]  ? 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)
[   11.146760][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.146763][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   11.146766][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.146769][  T261]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.146774][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.146778][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.146783][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.146786][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.146791][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.146795][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.146797][  T261]  ? 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))
[   11.146801][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.146802][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.146806][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.146810][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.146812][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.146818][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.146821][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.146822][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.146824][  T261]  ? 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)
[   11.146828][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.146829][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.146832][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.146835][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.146837][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.146839][  T261]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.146843][  T261]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.146847][  T261]  _printk (kernel/printk/printk.c:2504)
[   11.146850][  T261]  ? snapshot_read.cold (user.c:?)
[   11.146854][  T261]  ? br_multicast_flood (??:?)
[   11.146857][  T261]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.146858][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.146859][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.146864][  T261]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.146868][  T261]  br_init_port (net/bridge/br_stp_if.c:39)
[   11.146870][  T261]  new_nbp (net/bridge/br_if.c:449)
[   11.146874][  T261]  br_add_if (net/bridge/br_if.c:592)
[   11.146876][  T261]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   11.146884][  T261]  do_set_master (net/core/rtnetlink.c:3071)
[   11.146887][  T261]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   11.146891][  T261]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   11.146893][  T261]  ? __dev_get_by_name (net/core/dev.c:905)
[   11.146895][  T261]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   11.146904][  T261]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   11.146911][  T261]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.146916][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.146918][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.146925][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.146929][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.146936][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.146939][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.146940][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.146945][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.146947][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.146950][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.146953][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.146956][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.146963][  T261]  ? 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))
[   11.146965][  T261]  ? 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))
[   11.146969][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.146973][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.146979][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.146983][  T261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.146986][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.146988][  T261]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.146994][  T261]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.146997][  T261]  ____sys_sendmsg (net/socket.c:2713)
[   11.146999][  T261]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.147002][  T261]  ? sock_write_iter (net/socket.c:1269)
[   11.147003][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   11.147008][  T261]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   11.147010][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.147014][  T261]  ___sys_sendmsg (net/socket.c:2767)
[   11.147016][  T261]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   11.147018][  T261]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.147021][  T261]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   11.147035][  T261]  __sys_sendmsg (net/socket.c:2799)
[   11.147038][  T261]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.147044][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.147045][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.147048][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.147051][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.147054][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.147056][  T261] RIP: 0033:0x7feddba2a54e
[   11.147060][  T261] 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
[   11.147062][  T261] RSP: 002b:00007ffc2c5a7140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.147065][  T261] RAX: ffffffffffffffda RBX: 00007ffc2c5a7908 RCX: 00007feddba2a54e
[   11.147066][  T261] RDX: 0000000000000000 RSI: 00007ffc2c5a71f0 RDI: 0000000000000005
[   11.147067][  T261] RBP: 00007ffc2c5a7150 R08: 0000000000000000 R09: 0000000000000000
[   11.147068][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915004
[   11.147069][  T261] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2c5a78c0
| [   12.197816][  T292] softirqs last disabled at (17644): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   12.197818][  T292] Preemption disabled at:
| [   12.197818][  T292] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.197827][  T292] Tainted: [W]=WARN
[   12.197828][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.197829][  T292] Call Trace:
[   12.197831][  T292]  <TASK>
[   12.197832][  T292]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.197838][  T292]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.197840][  T292]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.197844][  T292]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.197849][  T292]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.197853][  T292]  __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))
[   12.197855][  T292]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.197861][  T292]  ? 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)
[   12.197864][  T292]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.197868][  T292]  put_chars (drivers/char/virtio_console.c:1176)
[   12.197870][  T292]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.197871][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.197875][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.197878][  T292]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.197883][  T292]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.197887][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.197892][  T292]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.197895][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.197900][  T292]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.197904][  T292]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.197906][  T292]  ? 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))
[   12.197909][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.197911][  T292]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.197915][  T292]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.197919][  T292]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.197921][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.197927][  T292]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.197930][  T292]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.197931][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.197933][  T292]  ? 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)
[   12.197941][  T292]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.197943][  T292]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.197946][  T292]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.197949][  T292]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.197951][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.197953][  T292]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.197957][  T292]  _printk (kernel/printk/printk.c:2504)
[   12.197961][  T292]  ? snapshot_read.cold (user.c:?)
[   12.197964][  T292]  ? br_multicast_flood (??:?)
[   12.197967][  T292]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   12.197969][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   12.197970][  T292]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.197974][  T292]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   12.197979][  T292]  br_init_port (net/bridge/br_stp_if.c:39)
[   12.197981][  T292]  new_nbp (net/bridge/br_if.c:449)
[   12.197985][  T292]  br_add_if (net/bridge/br_if.c:592)
[   12.197987][  T292]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   12.197994][  T292]  do_set_master (net/core/rtnetlink.c:3071)
[   12.197998][  T292]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   12.198002][  T292]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   12.198003][  T292]  ? __dev_get_by_name (net/core/dev.c:905)
[   12.198006][  T292]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   12.198015][  T292]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   12.198022][  T292]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.198027][  T292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.198029][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.198036][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.198040][  T292]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.198042][  T292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.198045][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.198046][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.198051][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.198053][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.198057][  T292]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.198060][  T292]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.198063][  T292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.198069][  T292]  ? 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))
[   12.198071][  T292]  ? 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))
[   12.198076][  T292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.198080][  T292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.198085][  T292]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.198090][  T292]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.198093][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.198095][  T292]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   12.198101][  T292]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   12.198104][  T292]  ____sys_sendmsg (net/socket.c:2713)
[   12.198107][  T292]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.198109][  T292]  ? sock_write_iter (net/socket.c:1269)
[   12.198110][  T292]  ? move_addr_to_kernel (net/socket.c:258)
[   12.198115][  T292]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   12.198118][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.198122][  T292]  ___sys_sendmsg (net/socket.c:2767)
[   12.198123][  T292]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   12.198126][  T292]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.198128][  T292]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   12.198144][  T292]  __sys_sendmsg (net/socket.c:2799)
[   12.198146][  T292]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.198152][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.198154][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.198157][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.198160][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.198163][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.198166][  T292] RIP: 0033:0x7f34b33cb54e
[   12.198169][  T292] 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
[   12.198171][  T292] RSP: 002b:00007ffcdad01c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.198174][  T292] RAX: ffffffffffffffda RBX: 00007ffcdad02458 RCX: 00007f34b33cb54e
[   12.198175][  T292] RDX: 0000000000000000 RSI: 00007ffcdad01d40 RDI: 0000000000000005
[   12.198176][  T292] RBP: 00007ffcdad01ca0 R08: 0000000000000000 R09: 0000000000000000
[   12.198177][  T292] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915005
[   12.198177][  T292] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdad02410
| [   14.152278][  T355] softirqs last disabled at (18892): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.152280][  T355] Preemption disabled at:
| [   14.152281][  T355] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.152289][  T355] Tainted: [W]=WARN
[   14.152290][  T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.152292][  T355] Call Trace:
[   14.152293][  T355]  <TASK>
[   14.152295][  T355]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.152301][  T355]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.152303][  T355]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.152307][  T355]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.152311][  T355]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.152316][  T355]  __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))
[   14.152317][  T355]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.152324][  T355]  ? 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)
[   14.152327][  T355]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.152331][  T355]  put_chars (drivers/char/virtio_console.c:1176)
[   14.152333][  T355]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.152335][  T355]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.152338][  T355]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.152341][  T355]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.152346][  T355]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.152350][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.152355][  T355]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.152358][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.152362][  T355]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.152366][  T355]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.152368][  T355]  ? 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))
[   14.152371][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.152373][  T355]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.152377][  T355]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.152381][  T355]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.152383][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.152388][  T355]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.152391][  T355]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.152393][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.152394][  T355]  ? 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)
[   14.152398][  T355]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.152402][  T355]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.152405][  T355]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.152408][  T355]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.152410][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.152412][  T355]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.152416][  T355]  _printk (kernel/printk/printk.c:2504)
[   14.152420][  T355]  ? snapshot_read.cold (user.c:?)
[   14.152423][  T355]  ? br_multicast_flood (??:?)
[   14.152426][  T355]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   14.152427][  T355]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   14.152429][  T355]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.152433][  T355]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   14.152437][  T355]  br_init_port (net/bridge/br_stp_if.c:39)
[   14.152439][  T355]  new_nbp (net/bridge/br_if.c:449)
[   14.152443][  T355]  br_add_if (net/bridge/br_if.c:592)
[   14.152445][  T355]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   14.152452][  T355]  do_set_master (net/core/rtnetlink.c:3071)
[   14.152456][  T355]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   14.152459][  T355]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   14.152461][  T355]  ? __dev_get_by_name (net/core/dev.c:905)
[   14.152463][  T355]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   14.152472][  T355]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   14.152478][  T355]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.152484][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.152486][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.152492][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.152496][  T355]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.152498][  T355]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.152501][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.152503][  T355]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.152507][  T355]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.152509][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.152513][  T355]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.152516][  T355]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.152519][  T355]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.152525][  T355]  ? 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))
[   14.152527][  T355]  ? 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))
[   14.152531][  T355]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.152535][  T355]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.152541][  T355]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.152545][  T355]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.152549][  T355]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.152550][  T355]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.152556][  T355]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.152559][  T355]  ____sys_sendmsg (net/socket.c:2713)
[   14.152562][  T355]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.152564][  T355]  ? sock_write_iter (net/socket.c:1269)
[   14.152566][  T355]  ? move_addr_to_kernel (net/socket.c:258)
[   14.152570][  T355]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   14.152573][  T355]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.152576][  T355]  ___sys_sendmsg (net/socket.c:2767)
[   14.152578][  T355]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   14.152581][  T355]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.152583][  T355]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   14.152597][  T355]  __sys_sendmsg (net/socket.c:2799)
[   14.152600][  T355]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.152606][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.152607][  T355]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.152610][  T355]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.152614][  T355]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.152617][  T355]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.152619][  T355] RIP: 0033:0x7f3ba519b54e
[   14.152623][  T355] 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
[   14.152625][  T355] RSP: 002b:00007ffd139cef40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.152627][  T355] RAX: ffffffffffffffda RBX: 00007ffd139cf708 RCX: 00007f3ba519b54e
[   14.152629][  T355] RDX: 0000000000000000 RSI: 00007ffd139ceff0 RDI: 0000000000000005
[   14.152630][  T355] RBP: 00007ffd139cef50 R08: 0000000000000000 R09: 0000000000000000
[   14.152630][  T355] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915007
[   14.152631][  T355] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd139cf6c0
| [   15.173630][  T385] softirqs last disabled at (18320): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   15.173632][  T385] Preemption disabled at:
| [   15.173633][  T385] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.173641][  T385] Tainted: [W]=WARN
[   15.173642][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.173643][  T385] Call Trace:
[   15.173645][  T385]  <TASK>
[   15.173646][  T385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.173652][  T385]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.173654][  T385]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.173658][  T385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.173662][  T385]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.173667][  T385]  __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))
[   15.173668][  T385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.173678][  T385]  ? 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)
[   15.173681][  T385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.173687][  T385]  put_chars (drivers/char/virtio_console.c:1176)
[   15.173690][  T385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.173691][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.173695][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.173698][  T385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.173703][  T385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.173707][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.173712][  T385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.173715][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.173719][  T385]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.173723][  T385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.173725][  T385]  ? 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))
[   15.173728][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.173730][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.173734][  T385]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.173738][  T385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.173740][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.173745][  T385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.173748][  T385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.173750][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.173751][  T385]  ? 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)
[   15.173755][  T385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.173757][  T385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.173759][  T385]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.173763][  T385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.173764][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.173767][  T385]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.173771][  T385]  _printk (kernel/printk/printk.c:2504)
[   15.173774][  T385]  ? snapshot_read.cold (user.c:?)
[   15.173778][  T385]  ? br_multicast_flood (??:?)
[   15.173780][  T385]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   15.173782][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   15.173783][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.173787][  T385]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   15.173791][  T385]  br_init_port (net/bridge/br_stp_if.c:39)
[   15.173794][  T385]  new_nbp (net/bridge/br_if.c:449)
[   15.173797][  T385]  br_add_if (net/bridge/br_if.c:592)
[   15.173799][  T385]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   15.173807][  T385]  do_set_master (net/core/rtnetlink.c:3071)
[   15.173810][  T385]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   15.173814][  T385]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   15.173815][  T385]  ? __dev_get_by_name (net/core/dev.c:905)
[   15.173817][  T385]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   15.173826][  T385]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   15.173833][  T385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.173838][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.173840][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.173847][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.173850][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.173852][  T385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.173855][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.173857][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.173861][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.173863][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.173867][  T385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.173870][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.173873][  T385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.173879][  T385]  ? 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))
[   15.173881][  T385]  ? 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))
[   15.173885][  T385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.173889][  T385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.173895][  T385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.173898][  T385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.173902][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.173904][  T385]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   15.173909][  T385]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   15.173913][  T385]  ____sys_sendmsg (net/socket.c:2713)
[   15.173915][  T385]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.173918][  T385]  ? sock_write_iter (net/socket.c:1269)
[   15.173919][  T385]  ? move_addr_to_kernel (net/socket.c:258)
[   15.173924][  T385]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   15.173926][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.173930][  T385]  ___sys_sendmsg (net/socket.c:2767)
[   15.173932][  T385]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   15.173934][  T385]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.173936][  T385]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   15.173951][  T385]  __sys_sendmsg (net/socket.c:2799)
[   15.173960][  T385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.173965][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.173967][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.173970][  T385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.173974][  T385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.173977][  T385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.173979][  T385] RIP: 0033:0x7f9509c4e54e
[   15.173983][  T385] 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
[   15.173985][  T385] RSP: 002b:00007ffd4746ca60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.173987][  T385] RAX: ffffffffffffffda RBX: 00007ffd4746d228 RCX: 00007f9509c4e54e
[   15.173989][  T385] RDX: 0000000000000000 RSI: 00007ffd4746cb10 RDI: 0000000000000005
[   15.173990][  T385] RBP: 00007ffd4746ca70 R08: 0000000000000000 R09: 0000000000000000
[   15.173990][  T385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915008
[   15.173991][  T385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4746d1e0
| [   22.261007][   T12] softirqs last disabled at (15894): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   22.261010][   T12] Preemption disabled at:
| [   22.261010][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.261019][   T12] Tainted: [W]=WARN
[   22.261020][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.261021][   T12] Workqueue: netns cleanup_net
[   22.261025][   T12] Call Trace:
[   22.261026][   T12]  <TASK>
[   22.261028][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.261034][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.261036][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.261040][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.261044][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.261049][   T12]  __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))
[   22.261051][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.261057][   T12]  ? 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)
[   22.261060][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.261064][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   22.261066][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.261069][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   22.261074][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.261078][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.261083][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.261086][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.261092][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.261096][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.261097][   T12]  ? 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))
[   22.261101][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.261102][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.261107][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.261111][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.261113][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.261118][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.261121][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.261123][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.261125][   T12]  ? 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)
[   22.261129][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.261130][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.261133][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.261137][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.261138][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   22.261140][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   22.261141][   T12]  ? kthread (kernel/kthread.c:436)
[   22.261144][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   22.261147][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   22.261151][   T12]  _printk (kernel/printk/printk.c:2504)
[   22.261155][   T12]  ? snapshot_read.cold (user.c:?)
[   22.261159][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   22.261163][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   22.261167][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   22.261170][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   22.261174][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.261176][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   22.261179][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   22.261180][   T12]  ? 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)
[   22.261183][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   22.261187][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   22.261191][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   22.261197][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   22.261201][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   22.261204][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   22.261208][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   22.261212][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   22.261213][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.261216][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   22.261221][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   22.261224][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   22.261228][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.261230][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.261233][   T12]  process_one_work (kernel/workqueue.c:3387)
[   22.261240][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   22.261243][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.261251][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   22.261258][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   22.261260][   T12]  kthread (kernel/kthread.c:436)
[   22.261262][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.261265][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   22.261268][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.261271][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   22.261274][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.261278][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   22.261280][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.448068][  T535] softirqs last disabled at (20274): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   23.448071][  T535] Preemption disabled at:
| [   23.448071][  T535] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.448080][  T535] Tainted: [W]=WARN
[   23.448081][  T535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.448082][  T535] Call Trace:
[   23.448084][  T535]  <TASK>
[   23.448085][  T535]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.448091][  T535]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.448093][  T535]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.448097][  T535]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.448102][  T535]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.448106][  T535]  __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))
[   23.448108][  T535]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.448115][  T535]  ? 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)
[   23.448118][  T535]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.448121][  T535]  put_chars (drivers/char/virtio_console.c:1176)
[   23.448124][  T535]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.448130][  T535]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.448138][  T535]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.448141][  T535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.448145][  T535]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.448149][  T535]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.448151][  T535]  ? 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))
[   23.448155][  T535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.448157][  T535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.448161][  T535]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.448165][  T535]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.448167][  T535]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.448172][  T535]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.448175][  T535]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.448177][  T535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.448179][  T535]  ? 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)
[   23.448182][  T535]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.448184][  T535]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.448187][  T535]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.448190][  T535]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.448193][  T535]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   23.448198][  T535]  _printk (kernel/printk/printk.c:2504)
[   23.448202][  T535]  ? snapshot_read.cold (user.c:?)
[   23.448203][  T535]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.448206][  T535]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.448209][  T535]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.448211][  T535]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   23.448215][  T535]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   23.448218][  T535]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.448220][  T535]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   23.448222][  T535]  ? netdev_notice (net/core/dev.c:13194)
[   23.448225][  T535]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.448228][  T535]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.448231][  T535]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.448234][  T535]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.448236][  T535]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   23.448238][  T535]  ? register_netdev (net/core/dev.c:11618)
[   23.448240][  T535]  ? 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))
[   23.448245][  T535]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   23.448247][  T535]  ? __kernel_text_address (kernel/extable.c:79)
[   23.448250][  T535]  ? write_profile (profile.c:?)
[   23.448254][  T535]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   23.448260][  T535]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   23.448263][  T535]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.448265][  T535]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.448267][  T535]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.448268][  T535]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.448272][  T535]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.448274][  T535]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.448276][  T535]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.448278][  T535]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.448280][  T535]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.448281][  T535]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.448282][  T535]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.448285][  T535]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.448286][  T535]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   23.448289][  T535]  ? ___sys_sendmsg (net/socket.c:2758)
[   23.448293][  T535]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.448295][  T535]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.448298][  T535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.448300][  T535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.448301][  T535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.448302][  T535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.448304][  T535]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.448306][  T535]  ? __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)
[   23.448307][  T535]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.448309][  T535]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.448313][  T535]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.448314][  T535]  ? nla_get_range_signed (lib/nlattr.c:270)
[   23.448319][  T535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.448321][  T535]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.448326][  T535]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.448331][  T535]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.448333][  T535]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.448338][  T535]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.448340][  T535]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.448342][  T535]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.448343][  T535]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.448347][  T535]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.448349][  T535]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.448353][  T535]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.448354][  T535]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.448358][  T535]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.448360][  T535]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.448364][  T535]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.448367][  T535]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.448370][  T535]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.448376][  T535]  ? 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))
[   23.448378][  T535]  ? 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))
[   23.448383][  T535]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.448387][  T535]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.448389][  T535]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.448394][  T535]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.448398][  T535]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.448404][  T535]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.448406][  T535]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   23.448411][  T535]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   23.448414][  T535]  ____sys_sendmsg (net/socket.c:2713)
[   23.448416][  T535]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.448419][  T535]  ? sock_write_iter (net/socket.c:1269)
[   23.448420][  T535]  ? move_addr_to_kernel (net/socket.c:258)
[   23.448427][  T535]  ___sys_sendmsg (net/socket.c:2767)
[   23.448430][  T535]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.448446][  T535]  __sys_sendmsg (net/socket.c:2799)
[   23.448448][  T535]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.448454][  T535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.448457][  T535]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.448460][  T535]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.448463][  T535]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.448465][  T535] RIP: 0033:0x7f779c18354e
[   23.448469][  T535] 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
[   23.448470][  T535] RSP: 002b:00007ffea5f95770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.448473][  T535] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f779c18354e
[   23.448475][  T535] RDX: 0000000000000000 RSI: 00007ffea5f95820 RDI: 0000000000000005
[   23.448475][  T535] RBP: 00007ffea5f95780 R08: 0000000000000000 R09: 0000000000000000
[   23.448476][  T535] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915010
[   23.448477][  T535] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea5f95ee0
| [   25.474743][  T611] softirqs last disabled at (15292): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   25.474745][  T611] Preemption disabled at:
| [   25.474746][  T611] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.474754][  T611] Tainted: [W]=WARN
[   25.474755][  T611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.474757][  T611] Call Trace:
[   25.474759][  T611]  <TASK>
[   25.474760][  T611]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.474767][  T611]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.474768][  T611]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.474773][  T611]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.474778][  T611]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.474782][  T611]  __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))
[   25.474784][  T611]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.474791][  T611]  ? 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)
[   25.474794][  T611]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.474798][  T611]  put_chars (drivers/char/virtio_console.c:1176)
[   25.474801][  T611]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.474802][  T611]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.474806][  T611]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.474809][  T611]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.474814][  T611]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.474818][  T611]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.474823][  T611]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.474827][  T611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.474832][  T611]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.474836][  T611]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.474838][  T611]  ? 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))
[   25.474841][  T611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.474843][  T611]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.474849][  T611]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.474853][  T611]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.474855][  T611]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.474861][  T611]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.474864][  T611]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.474866][  T611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.474868][  T611]  ? 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)
[   25.474872][  T611]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.474874][  T611]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.474876][  T611]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.474880][  T611]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.474882][  T611]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.474885][  T611]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.474889][  T611]  _printk (kernel/printk/printk.c:2504)
[   25.474893][  T611]  ? snapshot_read.cold (user.c:?)
[   25.474896][  T611]  ? br_multicast_flood (??:?)
[   25.474899][  T611]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   25.474901][  T611]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   25.474902][  T611]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.474907][  T611]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   25.474911][  T611]  br_init_port (net/bridge/br_stp_if.c:39)
[   25.474914][  T611]  new_nbp (net/bridge/br_if.c:449)
[   25.474918][  T611]  br_add_if (net/bridge/br_if.c:592)
[   25.474920][  T611]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   25.474928][  T611]  do_set_master (net/core/rtnetlink.c:3071)
[   25.474932][  T611]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   25.474936][  T611]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   25.474937][  T611]  ? __dev_get_by_name (net/core/dev.c:905)
[   25.474940][  T611]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   25.474949][  T611]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   25.474956][  T611]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.474962][  T611]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.474964][  T611]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.474971][  T611]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.474975][  T611]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.474978][  T611]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.474981][  T611]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.474982][  T611]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.474987][  T611]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.474989][  T611]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.474993][  T611]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.474996][  T611]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.474999][  T611]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.475006][  T611]  ? 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))
[   25.475009][  T611]  ? 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))
[   25.475018][  T611]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.475022][  T611]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.475028][  T611]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.475033][  T611]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.475037][  T611]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.475038][  T611]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   25.475044][  T611]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   25.475048][  T611]  ____sys_sendmsg (net/socket.c:2713)
[   25.475051][  T611]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.475053][  T611]  ? sock_write_iter (net/socket.c:1269)
[   25.475055][  T611]  ? move_addr_to_kernel (net/socket.c:258)
[   25.475059][  T611]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   25.475062][  T611]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.475066][  T611]  ___sys_sendmsg (net/socket.c:2767)
[   25.475068][  T611]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   25.475071][  T611]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.475073][  T611]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   25.475089][  T611]  __sys_sendmsg (net/socket.c:2799)
[   25.475092][  T611]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.475098][  T611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.475100][  T611]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.475104][  T611]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.475107][  T611]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.475110][  T611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.475113][  T611] RIP: 0033:0x7fb16443f54e
[   25.475117][  T611] 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
[   25.475119][  T611] RSP: 002b:00007ffe91c9a560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.475122][  T611] RAX: ffffffffffffffda RBX: 00007ffe91c9ad28 RCX: 00007fb16443f54e
[   25.475123][  T611] RDX: 0000000000000000 RSI: 00007ffe91c9a610 RDI: 0000000000000005
[   25.475124][  T611] RBP: 00007ffe91c9a570 R08: 0000000000000000 R09: 0000000000000000
[   25.475125][  T611] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915012
[   25.475126][  T611] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe91c9ace0
| [   26.819067][  T648] softirqs last disabled at (22078): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   26.819070][  T648] Preemption disabled at:
| [   26.819070][  T648] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.819080][  T648] Tainted: [W]=WARN
[   26.819081][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.819082][  T648] Call Trace:
[   26.819084][  T648]  <TASK>
[   26.819085][  T648]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.819092][  T648]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.819093][  T648]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.819098][  T648]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.819102][  T648]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.819107][  T648]  __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))
[   26.819109][  T648]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.819116][  T648]  ? 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)
[   26.819118][  T648]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.819122][  T648]  put_chars (drivers/char/virtio_console.c:1176)
[   26.819125][  T648]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.819131][  T648]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.819139][  T648]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.819142][  T648]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.819147][  T648]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.819151][  T648]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.819153][  T648]  ? 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))
[   26.819157][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.819159][  T648]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.819164][  T648]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.819168][  T648]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.819170][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.819175][  T648]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.819178][  T648]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.819180][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.819182][  T648]  ? 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)
[   26.819186][  T648]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.819187][  T648]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.819190][  T648]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.819193][  T648]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.819196][  T648]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   26.819201][  T648]  _printk (kernel/printk/printk.c:2504)
[   26.819205][  T648]  ? snapshot_read.cold (user.c:?)
[   26.819207][  T648]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.819210][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.819213][  T648]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.819215][  T648]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.819219][  T648]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.819222][  T648]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.819224][  T648]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.819227][  T648]  ? netdev_notice (net/core/dev.c:13194)
[   26.819230][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.819233][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.819236][  T648]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.819239][  T648]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.819241][  T648]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   26.819244][  T648]  ? register_netdev (net/core/dev.c:11618)
[   26.819245][  T648]  ? 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))
[   26.819251][  T648]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   26.819253][  T648]  ? __kernel_text_address (kernel/extable.c:79)
[   26.819256][  T648]  ? write_profile (profile.c:?)
[   26.819260][  T648]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   26.819266][  T648]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   26.819269][  T648]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.819272][  T648]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.819273][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.819275][  T648]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.819278][  T648]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.819280][  T648]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.819282][  T648]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.819285][  T648]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.819287][  T648]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.819288][  T648]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.819289][  T648]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   26.819292][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.819294][  T648]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   26.819297][  T648]  ? ___sys_sendmsg (net/socket.c:2758)
[   26.819301][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.819303][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.819306][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.819308][  T648]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.819309][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.819311][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.819312][  T648]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.819315][  T648]  ? __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)
[   26.819316][  T648]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.819318][  T648]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.819321][  T648]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.819323][  T648]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.819328][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.819330][  T648]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.819335][  T648]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.819341][  T648]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.819343][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.819347][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.819349][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.819351][  T648]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.819353][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.819357][  T648]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.819359][  T648]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.819362][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.819364][  T648]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.819368][  T648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.819370][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.819374][  T648]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.819377][  T648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.819380][  T648]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.819387][  T648]  ? 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))
[   26.819389][  T648]  ? 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))
[   26.819394][  T648]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.819398][  T648]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.819402][  T648]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.819407][  T648]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.819411][  T648]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.819415][  T648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.819417][  T648]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   26.819422][  T648]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   26.819425][  T648]  ____sys_sendmsg (net/socket.c:2713)
[   26.819428][  T648]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.819430][  T648]  ? sock_write_iter (net/socket.c:1269)
[   26.819432][  T648]  ? move_addr_to_kernel (net/socket.c:258)
[   26.819440][  T648]  ___sys_sendmsg (net/socket.c:2767)
[   26.819443][  T648]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.819459][  T648]  __sys_sendmsg (net/socket.c:2799)
[   26.819462][  T648]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.819469][  T648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.819472][  T648]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.819475][  T648]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.819478][  T648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.819480][  T648] RIP: 0033:0x7f88aed2654e
[   26.819484][  T648] 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
[   26.819486][  T648] RSP: 002b:00007ffe454a2be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.819489][  T648] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f88aed2654e
[   26.819491][  T648] RDX: 0000000000000000 RSI: 00007ffe454a2c90 RDI: 0000000000000005
[   26.819491][  T648] RBP: 00007ffe454a2bf0 R08: 0000000000000000 R09: 0000000000000000
[   26.819492][  T648] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915014
[   26.819493][  T648] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe454a3350
| [   27.894870][  T684] softirqs last disabled at (24602): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   27.894872][  T684] Preemption disabled at:
| [   27.894872][  T684] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.894881][  T684] Tainted: [W]=WARN
[   27.894882][  T684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.894883][  T684] Call Trace:
[   27.894886][  T684]  <TASK>
[   27.894888][  T684]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.894894][  T684]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.894896][  T684]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.894900][  T684]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.894904][  T684]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.894909][  T684]  __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))
[   27.894910][  T684]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.894917][  T684]  ? 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)
[   27.894920][  T684]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.894923][  T684]  put_chars (drivers/char/virtio_console.c:1176)
[   27.894926][  T684]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.894927][  T684]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.894930][  T684]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.894933][  T684]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.894938][  T684]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.894942][  T684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.894947][  T684]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.894950][  T684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.894955][  T684]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.894959][  T684]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.894961][  T684]  ? 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))
[   27.894964][  T684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.894966][  T684]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.894970][  T684]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.894974][  T684]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.894976][  T684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.894981][  T684]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.894984][  T684]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.894986][  T684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.894987][  T684]  ? 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)
[   27.894991][  T684]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.894993][  T684]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.894995][  T684]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.894999][  T684]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.895000][  T684]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.895003][  T684]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.895007][  T684]  _printk (kernel/printk/printk.c:2504)
[   27.895010][  T684]  ? snapshot_read.cold (user.c:?)
[   27.895014][  T684]  ? br_multicast_flood (??:?)
[   27.895017][  T684]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   27.895018][  T684]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   27.895020][  T684]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.895028][  T684]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   27.895032][  T684]  br_init_port (net/bridge/br_stp_if.c:39)
[   27.895035][  T684]  new_nbp (net/bridge/br_if.c:449)
[   27.895039][  T684]  br_add_if (net/bridge/br_if.c:592)
[   27.895041][  T684]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   27.895048][  T684]  do_set_master (net/core/rtnetlink.c:3071)
[   27.895052][  T684]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   27.895055][  T684]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   27.895057][  T684]  ? __dev_get_by_name (net/core/dev.c:905)
[   27.895059][  T684]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   27.895068][  T684]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   27.895075][  T684]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.895080][  T684]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.895082][  T684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.895089][  T684]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.895092][  T684]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.895095][  T684]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.895098][  T684]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.895099][  T684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.895104][  T684]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.895106][  T684]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.895109][  T684]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.895112][  T684]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.895115][  T684]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.895122][  T684]  ? 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))
[   27.895124][  T684]  ? 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))
[   27.895128][  T684]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.895132][  T684]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.895138][  T684]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.895142][  T684]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.895145][  T684]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.895147][  T684]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   27.895153][  T684]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.895157][  T684]  ____sys_sendmsg (net/socket.c:2713)
[   27.895159][  T684]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.895161][  T684]  ? sock_write_iter (net/socket.c:1269)
[   27.895163][  T684]  ? move_addr_to_kernel (net/socket.c:258)
[   27.895167][  T684]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   27.895170][  T684]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.895173][  T684]  ___sys_sendmsg (net/socket.c:2767)
[   27.895175][  T684]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   27.895178][  T684]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.895180][  T684]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   27.895195][  T684]  __sys_sendmsg (net/socket.c:2799)
[   27.895198][  T684]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.895203][  T684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.895205][  T684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.895208][  T684]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.895212][  T684]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.895214][  T684]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.895217][  T684] RIP: 0033:0x7f2a9684a54e
[   27.895221][  T684] 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
[   27.895223][  T684] RSP: 002b:00007ffd68c32ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.895225][  T684] RAX: ffffffffffffffda RBX: 00007ffd68c33288 RCX: 00007f2a9684a54e
[   27.895227][  T684] RDX: 0000000000000000 RSI: 00007ffd68c32b70 RDI: 0000000000000005
[   27.895228][  T684] RBP: 00007ffd68c32ad0 R08: 0000000000000000 R09: 0000000000000000
[   27.895229][  T684] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915015
[   27.895229][  T684] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd68c33240
| [   29.177416][  T714] softirqs last disabled at (32934): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   29.177418][  T714] Preemption disabled at:
| [   29.177418][  T714] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.177427][  T714] Tainted: [W]=WARN
[   29.177428][  T714] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.177429][  T714] Call Trace:
[   29.177431][  T714]  <TASK>
[   29.177433][  T714]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.177439][  T714]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.177440][  T714]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.177445][  T714]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.177449][  T714]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.177453][  T714]  __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))
[   29.177455][  T714]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.177462][  T714]  ? 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)
[   29.177464][  T714]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.177468][  T714]  put_chars (drivers/char/virtio_console.c:1176)
[   29.177471][  T714]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.177472][  T714]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.177475][  T714]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.177478][  T714]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.177483][  T714]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.177487][  T714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.177492][  T714]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.177495][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.177500][  T714]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.177504][  T714]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.177505][  T714]  ? 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))
[   29.177509][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.177510][  T714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.177514][  T714]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.177518][  T714]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.177520][  T714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.177525][  T714]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.177528][  T714]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.177530][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.177531][  T714]  ? 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)
[   29.177535][  T714]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.177537][  T714]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.177540][  T714]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.177543][  T714]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.177544][  T714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.177547][  T714]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   29.177551][  T714]  _printk (kernel/printk/printk.c:2504)
[   29.177554][  T714]  ? snapshot_read.cold (user.c:?)
[   29.177558][  T714]  ? br_multicast_flood (??:?)
[   29.177560][  T714]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   29.177562][  T714]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   29.177563][  T714]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.177567][  T714]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   29.177571][  T714]  br_init_port (net/bridge/br_stp_if.c:39)
[   29.177574][  T714]  new_nbp (net/bridge/br_if.c:449)
[   29.177578][  T714]  br_add_if (net/bridge/br_if.c:592)
[   29.177580][  T714]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   29.177587][  T714]  do_set_master (net/core/rtnetlink.c:3071)
[   29.177591][  T714]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   29.177594][  T714]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   29.177596][  T714]  ? __dev_get_by_name (net/core/dev.c:905)
[   29.177598][  T714]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   29.177607][  T714]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   29.177613][  T714]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.177619][  T714]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.177621][  T714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.177627][  T714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.177631][  T714]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.177633][  T714]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.177636][  T714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.177637][  T714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.177642][  T714]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.177644][  T714]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.177648][  T714]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.177650][  T714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.177653][  T714]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.177660][  T714]  ? 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))
[   29.177662][  T714]  ? 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))
[   29.177666][  T714]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.177670][  T714]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.177678][  T714]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.177685][  T714]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.177689][  T714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.177691][  T714]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   29.177697][  T714]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   29.177701][  T714]  ____sys_sendmsg (net/socket.c:2713)
[   29.177703][  T714]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.177705][  T714]  ? sock_write_iter (net/socket.c:1269)
[   29.177707][  T714]  ? move_addr_to_kernel (net/socket.c:258)
[   29.177711][  T714]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   29.177713][  T714]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.177717][  T714]  ___sys_sendmsg (net/socket.c:2767)
[   29.177719][  T714]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   29.177721][  T714]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.177724][  T714]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   29.177739][  T714]  __sys_sendmsg (net/socket.c:2799)
[   29.177741][  T714]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.177747][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.177749][  T714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.177752][  T714]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.177755][  T714]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.177758][  T714]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.177761][  T714] RIP: 0033:0x7f142dcb054e
[   29.177764][  T714] 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
[   29.177766][  T714] RSP: 002b:00007ffc14da4e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.177769][  T714] RAX: ffffffffffffffda RBX: 00007ffc14da55c8 RCX: 00007f142dcb054e
[   29.177770][  T714] RDX: 0000000000000000 RSI: 00007ffc14da4eb0 RDI: 0000000000000005
[   29.177771][  T714] RBP: 00007ffc14da4e10 R08: 0000000000000000 R09: 0000000000000000
[   29.177772][  T714] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915016
[   29.177773][  T714] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc14da5580
| [   36.389785][   T12] softirqs last disabled at (296392): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   36.389788][   T12] Preemption disabled at:
| [   36.389788][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   36.389797][   T12] Tainted: [W]=WARN
[   36.389798][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.389800][   T12] Workqueue: netns cleanup_net
[   36.389803][   T12] Call Trace:
[   36.389805][   T12]  <TASK>
[   36.389807][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.389813][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   36.389815][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.389820][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.389824][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.389828][   T12]  __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))
[   36.389830][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.389837][   T12]  ? 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)
[   36.389840][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.389844][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   36.389847][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.389849][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.389853][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.389856][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.389861][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.389865][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.389870][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.389874][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.389879][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.389883][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.389885][   T12]  ? 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))
[   36.389889][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.389891][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.389895][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.389899][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.389901][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.389907][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.389910][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.389912][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.389914][   T12]  ? 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)
[   36.389918][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.389920][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.389923][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.389926][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.389927][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   36.389929][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   36.389931][   T12]  ? kthread (kernel/kthread.c:436)
[   36.389934][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   36.389937][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   36.389942][   T12]  _printk (kernel/printk/printk.c:2504)
[   36.389945][   T12]  ? snapshot_read.cold (user.c:?)
[   36.389950][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   36.389954][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   36.389958][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   36.389961][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   36.389966][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.389968][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   36.389970][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   36.389973][   T12]  ? 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)
[   36.389975][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   36.389979][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   36.389983][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   36.389990][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   36.389994][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   36.389998][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   36.390002][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   36.390006][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   36.390007][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.390011][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   36.390016][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   36.390020][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   36.390024][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.390026][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.390030][   T12]  process_one_work (kernel/workqueue.c:3387)
[   36.390037][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   36.390040][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.390048][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   36.390056][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   36.390058][   T12]  kthread (kernel/kthread.c:436)
[   36.390060][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.390064][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   36.390067][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.390075][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   36.390078][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.390082][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   36.390085][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.738290][  T862] softirqs last disabled at (23068): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   37.738293][  T862] Preemption disabled at:
| [   37.738293][  T862] vprintk_emit (kernel/printk/printk.c:2471)
| [   37.738303][  T862] Tainted: [W]=WARN
[   37.738304][  T862] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.738306][  T862] Call Trace:
[   37.738307][  T862]  <TASK>
[   37.738309][  T862]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.738316][  T862]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   37.738318][  T862]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.738323][  T862]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.738328][  T862]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.738333][  T862]  __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))
[   37.738335][  T862]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.738342][  T862]  ? 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)
[   37.738345][  T862]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.738349][  T862]  put_chars (drivers/char/virtio_console.c:1176)
[   37.738352][  T862]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.738359][  T862]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.738368][  T862]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.738372][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.738377][  T862]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.738382][  T862]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.738384][  T862]  ? 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))
[   37.738388][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.738391][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.738396][  T862]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.738404][  T862]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.738407][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.738415][  T862]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.738418][  T862]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.738420][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.738422][  T862]  ? 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)
[   37.738427][  T862]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.738429][  T862]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.738433][  T862]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.738437][  T862]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.738440][  T862]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   37.738446][  T862]  _printk (kernel/printk/printk.c:2504)
[   37.738450][  T862]  ? snapshot_read.cold (user.c:?)
[   37.738452][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.738456][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.738459][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.738461][  T862]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   37.738466][  T862]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   37.738469][  T862]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.738472][  T862]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   37.738475][  T862]  ? netdev_notice (net/core/dev.c:13194)
[   37.738478][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.738482][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.738485][  T862]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.738490][  T862]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.738492][  T862]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   37.738495][  T862]  ? register_netdev (net/core/dev.c:11618)
[   37.738496][  T862]  ? 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))
[   37.738503][  T862]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   37.738506][  T862]  ? __kernel_text_address (kernel/extable.c:79)
[   37.738509][  T862]  ? write_profile (profile.c:?)
[   37.738514][  T862]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   37.738520][  T862]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   37.738524][  T862]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.738527][  T862]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.738528][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.738531][  T862]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.738534][  T862]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.738537][  T862]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.738539][  T862]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.738542][  T862]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.738544][  T862]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.738545][  T862]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.738547][  T862]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.738550][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.738552][  T862]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   37.738555][  T862]  ? ___sys_sendmsg (net/socket.c:2758)
[   37.738560][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.738562][  T862]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.738565][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.738567][  T862]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.738569][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.738570][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.738572][  T862]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.738575][  T862]  ? __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)
[   37.738577][  T862]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.738579][  T862]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.738583][  T862]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.738585][  T862]  ? nla_get_range_signed (lib/nlattr.c:270)
[   37.738590][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.738593][  T862]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.738599][  T862]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.738606][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.738608][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.738614][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.738616][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.738619][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.738621][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.738625][  T862]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.738628][  T862]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.738632][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.738634][  T862]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.738641][  T862]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.738643][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.738647][  T862]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.738651][  T862]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.738654][  T862]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.738662][  T862]  ? 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))
[   37.738664][  T862]  ? 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))
[   37.738670][  T862]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.738675][  T862]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.738678][  T862]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.738684][  T862]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.738689][  T862]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.738694][  T862]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.738695][  T862]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   37.738702][  T862]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   37.738705][  T862]  ____sys_sendmsg (net/socket.c:2713)
[   37.738708][  T862]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.738711][  T862]  ? sock_write_iter (net/socket.c:1269)
[   37.738713][  T862]  ? move_addr_to_kernel (net/socket.c:258)
[   37.738722][  T862]  ___sys_sendmsg (net/socket.c:2767)
[   37.738726][  T862]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.738746][  T862]  __sys_sendmsg (net/socket.c:2799)
[   37.738749][  T862]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.738757][  T862]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.738761][  T862]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.738764][  T862]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.738768][  T862]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.738770][  T862] RIP: 0033:0x7f53422d554e
[   37.738775][  T862] 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
[   37.738777][  T862] RSP: 002b:00007fffdeceda10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.738780][  T862] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f53422d554e
[   37.738781][  T862] RDX: 0000000000000000 RSI: 00007fffdecedac0 RDI: 0000000000000005
[   37.738782][  T862] RBP: 00007fffdeceda20 R08: 0000000000000000 R09: 0000000000000000
[   37.738783][  T862] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91501f
[   37.738784][  T862] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdecee180
| [   38.795370][  T908] softirqs last disabled at (25544): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   38.795372][  T908] Preemption disabled at:
| [   38.795372][  T908] vprintk_emit (kernel/printk/printk.c:2471)
| [   38.795381][  T908] Tainted: [W]=WARN
[   38.795382][  T908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.795383][  T908] Call Trace:
[   38.795385][  T908]  <TASK>
[   38.795387][  T908]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.795393][  T908]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   38.795395][  T908]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.795399][  T908]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.795406][  T908]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.795410][  T908]  __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))
[   38.795412][  T908]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.795419][  T908]  ? 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)
[   38.795422][  T908]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.795425][  T908]  put_chars (drivers/char/virtio_console.c:1176)
[   38.795428][  T908]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.795429][  T908]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.795433][  T908]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.795436][  T908]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.795441][  T908]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.795445][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.795450][  T908]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.795454][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.795458][  T908]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.795463][  T908]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.795465][  T908]  ? 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))
[   38.795468][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.795470][  T908]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.795474][  T908]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.795478][  T908]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.795480][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.795486][  T908]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.795489][  T908]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.795491][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.795492][  T908]  ? 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)
[   38.795496][  T908]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.795498][  T908]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.795501][  T908]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.795504][  T908]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.795506][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.795509][  T908]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.795513][  T908]  _printk (kernel/printk/printk.c:2504)
[   38.795516][  T908]  ? snapshot_read.cold (user.c:?)
[   38.795520][  T908]  ? br_multicast_flood (??:?)
[   38.795523][  T908]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   38.795525][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   38.795526][  T908]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.795530][  T908]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   38.795535][  T908]  br_init_port (net/bridge/br_stp_if.c:39)
[   38.795537][  T908]  new_nbp (net/bridge/br_if.c:449)
[   38.795541][  T908]  br_add_if (net/bridge/br_if.c:592)
[   38.795543][  T908]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   38.795551][  T908]  do_set_master (net/core/rtnetlink.c:3071)
[   38.795555][  T908]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   38.795558][  T908]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   38.795560][  T908]  ? __dev_get_by_name (net/core/dev.c:905)
[   38.795562][  T908]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   38.795572][  T908]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   38.795578][  T908]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   38.795584][  T908]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.795586][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.795593][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.795597][  T908]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   38.795599][  T908]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   38.795602][  T908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.795604][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.795608][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.795610][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.795614][  T908]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   38.795617][  T908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   38.795620][  T908]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   38.795627][  T908]  ? 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))
[   38.795629][  T908]  ? 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))
[   38.795634][  T908]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   38.795638][  T908]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.795644][  T908]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   38.795648][  T908]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   38.795652][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.795654][  T908]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   38.795659][  T908]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   38.795663][  T908]  ____sys_sendmsg (net/socket.c:2713)
[   38.795666][  T908]  ? copy_msghdr_from_user (net/socket.c:2650)
[   38.795668][  T908]  ? sock_write_iter (net/socket.c:1269)
[   38.795669][  T908]  ? move_addr_to_kernel (net/socket.c:258)
[   38.795674][  T908]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   38.795677][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   38.795681][  T908]  ___sys_sendmsg (net/socket.c:2767)
[   38.795683][  T908]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   38.795685][  T908]  ? copy_msghdr_from_user (net/socket.c:2619)
[   38.795688][  T908]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   38.795703][  T908]  __sys_sendmsg (net/socket.c:2799)
[   38.795707][  T908]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   38.795712][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.795714][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.795717][  T908]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   38.795721][  T908]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   38.795724][  T908]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   38.795726][  T908] RIP: 0033:0x7f96dd28054e
[   38.795730][  T908] 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
[   38.795732][  T908] RSP: 002b:00007ffe8a634e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   38.795735][  T908] RAX: ffffffffffffffda RBX: 00007ffe8a635648 RCX: 00007f96dd28054e
[   38.795736][  T908] RDX: 0000000000000000 RSI: 00007ffe8a634f30 RDI: 0000000000000005
[   38.795737][  T908] RBP: 00007ffe8a634e90 R08: 0000000000000000 R09: 0000000000000000
[   38.795738][  T908] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915020
[   38.795739][  T908] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8a635600
| [   39.857086][  T938] softirqs last disabled at (18924): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   39.857088][  T938] Preemption disabled at:
| [   39.857088][  T938] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.857102][  T938] Tainted: [W]=WARN
[   39.857103][  T938] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.857105][  T938] Call Trace:
[   39.857107][  T938]  <TASK>
[   39.857108][  T938]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.857114][  T938]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.857116][  T938]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.857120][  T938]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.857124][  T938]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.857129][  T938]  __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))
[   39.857131][  T938]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.857137][  T938]  ? 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)
[   39.857140][  T938]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.857144][  T938]  put_chars (drivers/char/virtio_console.c:1176)
[   39.857146][  T938]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.857147][  T938]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.857151][  T938]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.857153][  T938]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.857158][  T938]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.857162][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.857167][  T938]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.857170][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.857175][  T938]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.857179][  T938]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.857181][  T938]  ? 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))
[   39.857184][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.857186][  T938]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.857189][  T938]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.857193][  T938]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.857195][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.857201][  T938]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.857203][  T938]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.857205][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.857207][  T938]  ? 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)
[   39.857211][  T938]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.857212][  T938]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.857215][  T938]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.857218][  T938]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.857220][  T938]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.857223][  T938]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   39.857226][  T938]  _printk (kernel/printk/printk.c:2504)
[   39.857230][  T938]  ? snapshot_read.cold (user.c:?)
[   39.857234][  T938]  ? br_multicast_flood (??:?)
[   39.857236][  T938]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   39.857238][  T938]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   39.857239][  T938]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.857243][  T938]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   39.857247][  T938]  br_init_port (net/bridge/br_stp_if.c:39)
[   39.857250][  T938]  new_nbp (net/bridge/br_if.c:449)
[   39.857254][  T938]  br_add_if (net/bridge/br_if.c:592)
[   39.857256][  T938]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   39.857263][  T938]  do_set_master (net/core/rtnetlink.c:3071)
[   39.857267][  T938]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   39.857270][  T938]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   39.857272][  T938]  ? __dev_get_by_name (net/core/dev.c:905)
[   39.857274][  T938]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   39.857283][  T938]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   39.857289][  T938]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   39.857295][  T938]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.857296][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.857303][  T938]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.857307][  T938]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   39.857309][  T938]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.857312][  T938]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.857313][  T938]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.857318][  T938]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.857320][  T938]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.857323][  T938]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.857326][  T938]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.857329][  T938]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.857335][  T938]  ? 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))
[   39.857337][  T938]  ? 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))
[   39.857342][  T938]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.857346][  T938]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.857351][  T938]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.857355][  T938]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.857359][  T938]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.857361][  T938]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   39.857366][  T938]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   39.857370][  T938]  ____sys_sendmsg (net/socket.c:2713)
[   39.857372][  T938]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.857374][  T938]  ? sock_write_iter (net/socket.c:1269)
[   39.857376][  T938]  ? move_addr_to_kernel (net/socket.c:258)
[   39.857380][  T938]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   39.857382][  T938]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.857386][  T938]  ___sys_sendmsg (net/socket.c:2767)
[   39.857388][  T938]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   39.857391][  T938]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.857393][  T938]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   39.857410][  T938]  __sys_sendmsg (net/socket.c:2799)
[   39.857413][  T938]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.857419][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.857420][  T938]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.857423][  T938]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.857427][  T938]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.857430][  T938]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.857432][  T938] RIP: 0033:0x7fdb59e6354e
[   39.857436][  T938] 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
[   39.857437][  T938] RSP: 002b:00007fff4e5c02c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.857440][  T938] RAX: ffffffffffffffda RBX: 00007fff4e5c0a88 RCX: 00007fdb59e6354e
[   39.857441][  T938] RDX: 0000000000000000 RSI: 00007fff4e5c0370 RDI: 0000000000000005
[   39.857442][  T938] RBP: 00007fff4e5c02d0 R08: 0000000000000000 R09: 0000000000000000
[   39.857443][  T938] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915021
[   39.857444][  T938] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4e5c0a40
| [   41.069966][  T975] softirqs last disabled at (32616): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   41.069969][  T975] Preemption disabled at:
| [   41.069969][  T975] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.069978][  T975] Tainted: [W]=WARN
[   41.069979][  T975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.069981][  T975] Call Trace:
[   41.069982][  T975]  <TASK>
[   41.069984][  T975]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.069990][  T975]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.069992][  T975]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.069996][  T975]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.070000][  T975]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.070005][  T975]  __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))
[   41.070007][  T975]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.070014][  T975]  ? 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)
[   41.070017][  T975]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.070020][  T975]  put_chars (drivers/char/virtio_console.c:1176)
[   41.070023][  T975]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.070029][  T975]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.070037][  T975]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.070041][  T975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.070045][  T975]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.070050][  T975]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.070052][  T975]  ? 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))
[   41.070055][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.070058][  T975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.070062][  T975]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.070066][  T975]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.070068][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.070074][  T975]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.070077][  T975]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.070079][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.070080][  T975]  ? 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)
[   41.070084][  T975]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.070086][  T975]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.070089][  T975]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.070092][  T975]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.070095][  T975]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   41.070105][  T975]  _printk (kernel/printk/printk.c:2504)
[   41.070109][  T975]  ? snapshot_read.cold (user.c:?)
[   41.070111][  T975]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.070113][  T975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.070116][  T975]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.070118][  T975]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.070122][  T975]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.070125][  T975]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.070127][  T975]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.070130][  T975]  ? netdev_notice (net/core/dev.c:13194)
[   41.070133][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.070136][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.070138][  T975]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.070142][  T975]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.070144][  T975]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   41.070146][  T975]  ? register_netdev (net/core/dev.c:11618)
[   41.070148][  T975]  ? 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))
[   41.070153][  T975]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   41.070156][  T975]  ? __kernel_text_address (kernel/extable.c:79)
[   41.070158][  T975]  ? write_profile (profile.c:?)
[   41.070162][  T975]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   41.070168][  T975]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   41.070172][  T975]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.070174][  T975]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.070175][  T975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.070177][  T975]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.070180][  T975]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.070182][  T975]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.070184][  T975]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.070187][  T975]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.070188][  T975]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.070190][  T975]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.070191][  T975]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.070193][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.070195][  T975]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   41.070198][  T975]  ? ___sys_sendmsg (net/socket.c:2758)
[   41.070202][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.070204][  T975]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.070207][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.070209][  T975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.070210][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.070211][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.070213][  T975]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.070215][  T975]  ? __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)
[   41.070217][  T975]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.070219][  T975]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.070222][  T975]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.070223][  T975]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.070228][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.070230][  T975]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.070235][  T975]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.070241][  T975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.070243][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.070247][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.070249][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.070251][  T975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.070253][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.070257][  T975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.070259][  T975]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.070262][  T975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.070263][  T975]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.070268][  T975]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.070270][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.070273][  T975]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.070276][  T975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.070279][  T975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.070286][  T975]  ? 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))
[   41.070288][  T975]  ? 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))
[   41.070292][  T975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.070297][  T975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.070299][  T975]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.070304][  T975]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.070308][  T975]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.070312][  T975]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.070313][  T975]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.070319][  T975]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.070322][  T975]  ____sys_sendmsg (net/socket.c:2713)
[   41.070324][  T975]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.070326][  T975]  ? sock_write_iter (net/socket.c:1269)
[   41.070328][  T975]  ? move_addr_to_kernel (net/socket.c:258)
[   41.070335][  T975]  ___sys_sendmsg (net/socket.c:2767)
[   41.070338][  T975]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.070354][  T975]  __sys_sendmsg (net/socket.c:2799)
[   41.070357][  T975]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.070363][  T975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.070366][  T975]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.070370][  T975]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.070373][  T975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.070375][  T975] RIP: 0033:0x7f776bd8854e
[   41.070378][  T975] 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
[   41.070380][  T975] RSP: 002b:00007ffd289c0560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.070383][  T975] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f776bd8854e
[   41.070384][  T975] RDX: 0000000000000000 RSI: 00007ffd289c0610 RDI: 0000000000000005
[   41.070385][  T975] RBP: 00007ffd289c0570 R08: 0000000000000000 R09: 0000000000000000
[   41.070386][  T975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915022
[   41.070387][  T975] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd289c0cd0
| [   43.246203][ T1041] softirqs last disabled at (20198): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   43.246205][ T1041] Preemption disabled at:
| [   43.246205][ T1041] vprintk_emit (kernel/printk/printk.c:2471)
| [   43.246213][ T1041] Tainted: [W]=WARN
[   43.246214][ T1041] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.246216][ T1041] Call Trace:
[   43.246217][ T1041]  <TASK>
[   43.246219][ T1041]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.246225][ T1041]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   43.246227][ T1041]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.246231][ T1041]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.246235][ T1041]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.246240][ T1041]  __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))
[   43.246242][ T1041]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.246248][ T1041]  ? 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)
[   43.246251][ T1041]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.246255][ T1041]  put_chars (drivers/char/virtio_console.c:1176)
[   43.246257][ T1041]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.246259][ T1041]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.246262][ T1041]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.246265][ T1041]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.246270][ T1041]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.246273][ T1041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.246279][ T1041]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.246282][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.246286][ T1041]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.246290][ T1041]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.246292][ T1041]  ? 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))
[   43.246295][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.246297][ T1041]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.246301][ T1041]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.246305][ T1041]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.246307][ T1041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.246312][ T1041]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.246315][ T1041]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.246317][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.246319][ T1041]  ? 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)
[   43.246322][ T1041]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.246324][ T1041]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.246327][ T1041]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.246330][ T1041]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.246332][ T1041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.246334][ T1041]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   43.246338][ T1041]  _printk (kernel/printk/printk.c:2504)
[   43.246342][ T1041]  ? snapshot_read.cold (user.c:?)
[   43.246345][ T1041]  ? br_multicast_flood (??:?)
[   43.246348][ T1041]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   43.246349][ T1041]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   43.246350][ T1041]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.246354][ T1041]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   43.246359][ T1041]  br_init_port (net/bridge/br_stp_if.c:39)
[   43.246361][ T1041]  new_nbp (net/bridge/br_if.c:449)
[   43.246365][ T1041]  br_add_if (net/bridge/br_if.c:592)
[   43.246367][ T1041]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   43.246375][ T1041]  do_set_master (net/core/rtnetlink.c:3071)
[   43.246378][ T1041]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   43.246382][ T1041]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   43.246383][ T1041]  ? __dev_get_by_name (net/core/dev.c:905)
[   43.246385][ T1041]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   43.246394][ T1041]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   43.246405][ T1041]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   43.246410][ T1041]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.246412][ T1041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.246418][ T1041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.246422][ T1041]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   43.246424][ T1041]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   43.246427][ T1041]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.246429][ T1041]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.246433][ T1041]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.246435][ T1041]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.246439][ T1041]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.246442][ T1041]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.246445][ T1041]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.246451][ T1041]  ? 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))
[   43.246453][ T1041]  ? 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))
[   43.246457][ T1041]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.246461][ T1041]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.246467][ T1041]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.246471][ T1041]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.246475][ T1041]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   43.246476][ T1041]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   43.246482][ T1041]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   43.246486][ T1041]  ____sys_sendmsg (net/socket.c:2713)
[   43.246488][ T1041]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.246490][ T1041]  ? sock_write_iter (net/socket.c:1269)
[   43.246492][ T1041]  ? move_addr_to_kernel (net/socket.c:258)
[   43.246496][ T1041]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   43.246499][ T1041]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   43.246503][ T1041]  ___sys_sendmsg (net/socket.c:2767)
[   43.246504][ T1041]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   43.246507][ T1041]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.246509][ T1041]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   43.246534][ T1041]  __sys_sendmsg (net/socket.c:2799)
[   43.246544][ T1041]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.246556][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.246559][ T1041]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.246566][ T1041]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.246574][ T1041]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.246579][ T1041]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.246582][ T1041] RIP: 0033:0x7f56d087b54e
[   43.246588][ T1041] 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
[   43.246590][ T1041] RSP: 002b:00007fff7999c0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.246594][ T1041] RAX: ffffffffffffffda RBX: 00007fff7999c888 RCX: 00007f56d087b54e
[   43.246596][ T1041] RDX: 0000000000000000 RSI: 00007fff7999c170 RDI: 0000000000000005
[   43.246598][ T1041] RBP: 00007fff7999c0d0 R08: 0000000000000000 R09: 0000000000000000
[   43.246600][ T1041] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915024
[   43.246601][ T1041] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7999c840
| [   50.275927][   T12] softirqs last disabled at (552193): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   50.275929][   T12] Preemption disabled at:
| [   50.275930][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   50.275938][   T12] Tainted: [W]=WARN
[   50.275939][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.275941][   T12] Workqueue: netns cleanup_net
[   50.275944][   T12] Call Trace:
[   50.275946][   T12]  <TASK>
[   50.275948][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.275954][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   50.275956][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.275960][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.275964][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   50.275969][   T12]  __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))
[   50.275971][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.275977][   T12]  ? 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)
[   50.275980][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.275984][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   50.275986][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.275988][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   50.275991][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   50.275994][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   50.275999][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.276003][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.276008][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.276011][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.276016][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.276020][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.276022][   T12]  ? 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))
[   50.276025][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.276027][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.276031][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.276036][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.276038][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   50.276043][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.276046][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.276048][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.276050][   T12]  ? 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)
[   50.276053][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.276055][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.276058][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.276061][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.276063][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   50.276064][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   50.276066][   T12]  ? kthread (kernel/kthread.c:436)
[   50.276069][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   50.276071][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   50.276076][   T12]  _printk (kernel/printk/printk.c:2504)
[   50.276080][   T12]  ? snapshot_read.cold (user.c:?)
[   50.276084][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   50.276088][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   50.276092][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   50.276095][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   50.276099][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.276101][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   50.276104][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   50.276106][   T12]  ? 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)
[   50.276108][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   50.276112][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   50.276116][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   50.276123][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   50.276126][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   50.276130][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   50.276133][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   50.276137][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   50.276139][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   50.276142][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   50.276152][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   50.276155][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   50.276159][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.276161][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.276164][   T12]  process_one_work (kernel/workqueue.c:3387)
[   50.276171][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   50.276174][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   50.276182][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   50.276190][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   50.276192][   T12]  kthread (kernel/kthread.c:436)
[   50.276194][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.276197][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   50.276200][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   50.276203][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   50.276206][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   50.276210][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   50.276213][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.467120][ T1189] softirqs last disabled at (21840): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   51.467122][ T1189] Preemption disabled at:
| [   51.467123][ T1189] vprintk_emit (kernel/printk/printk.c:2471)
| [   51.467132][ T1189] Tainted: [W]=WARN
[   51.467132][ T1189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.467134][ T1189] Call Trace:
[   51.467136][ T1189]  <TASK>
[   51.467138][ T1189]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   51.467144][ T1189]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   51.467145][ T1189]  __might_resched.cold (kernel/sched/core.c:9234)
[   51.467150][ T1189]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   51.467159][ T1189]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   51.467163][ T1189]  __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))
[   51.467165][ T1189]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.467172][ T1189]  ? 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)
[   51.467175][ T1189]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   51.467179][ T1189]  put_chars (drivers/char/virtio_console.c:1176)
[   51.467181][ T1189]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   51.467188][ T1189]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   51.467195][ T1189]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   51.467198][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.467203][ T1189]  console_emit_next_record (kernel/printk/printk.c:3183)
[   51.467207][ T1189]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   51.467209][ T1189]  ? 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))
[   51.467212][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.467215][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.467219][ T1189]  console_flush_one_record (kernel/printk/printk.c:3268)
[   51.467223][ T1189]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   51.467225][ T1189]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.467230][ T1189]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   51.467233][ T1189]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   51.467235][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.467237][ T1189]  ? 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)
[   51.467241][ T1189]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   51.467243][ T1189]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   51.467245][ T1189]  vprintk_emit (kernel/printk/printk.c:2479)
[   51.467248][ T1189]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   51.467251][ T1189]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   51.467256][ T1189]  _printk (kernel/printk/printk.c:2504)
[   51.467260][ T1189]  ? snapshot_read.cold (user.c:?)
[   51.467262][ T1189]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.467265][ T1189]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.467268][ T1189]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.467270][ T1189]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   51.467274][ T1189]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   51.467277][ T1189]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.467279][ T1189]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   51.467282][ T1189]  ? netdev_notice (net/core/dev.c:13194)
[   51.467285][ T1189]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.467288][ T1189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.467291][ T1189]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   51.467295][ T1189]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.467297][ T1189]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   51.467299][ T1189]  ? register_netdev (net/core/dev.c:11618)
[   51.467300][ T1189]  ? 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))
[   51.467306][ T1189]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   51.467308][ T1189]  ? __kernel_text_address (kernel/extable.c:79)
[   51.467311][ T1189]  ? write_profile (profile.c:?)
[   51.467315][ T1189]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   51.467321][ T1189]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   51.467324][ T1189]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   51.467326][ T1189]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   51.467328][ T1189]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.467330][ T1189]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.467333][ T1189]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   51.467335][ T1189]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.467337][ T1189]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   51.467339][ T1189]  ? kasan_save_stack (mm/kasan/common.c:58)
[   51.467341][ T1189]  ? kasan_save_stack (mm/kasan/common.c:57)
[   51.467343][ T1189]  ? kasan_save_track (mm/kasan/common.c:78)
[   51.467344][ T1189]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   51.467347][ T1189]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.467349][ T1189]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   51.467352][ T1189]  ? ___sys_sendmsg (net/socket.c:2758)
[   51.467356][ T1189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.467358][ T1189]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.467360][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.467362][ T1189]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   51.467364][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.467365][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.467367][ T1189]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   51.467369][ T1189]  ? __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)
[   51.467371][ T1189]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   51.467373][ T1189]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   51.467376][ T1189]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   51.467377][ T1189]  ? nla_get_range_signed (lib/nlattr.c:270)
[   51.467382][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.467385][ T1189]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   51.467390][ T1189]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   51.467395][ T1189]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.467397][ T1189]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.467405][ T1189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.467407][ T1189]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.467409][ T1189]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.467411][ T1189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.467415][ T1189]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   51.467417][ T1189]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   51.467420][ T1189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.467421][ T1189]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   51.467426][ T1189]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   51.467428][ T1189]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.467431][ T1189]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   51.467435][ T1189]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.467438][ T1189]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.467444][ T1189]  ? 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))
[   51.467446][ T1189]  ? 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))
[   51.467451][ T1189]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.467455][ T1189]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.467458][ T1189]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   51.467462][ T1189]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   51.467466][ T1189]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   51.467470][ T1189]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   51.467471][ T1189]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   51.467477][ T1189]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   51.467479][ T1189]  ____sys_sendmsg (net/socket.c:2713)
[   51.467482][ T1189]  ? copy_msghdr_from_user (net/socket.c:2650)
[   51.467484][ T1189]  ? sock_write_iter (net/socket.c:1269)
[   51.467486][ T1189]  ? move_addr_to_kernel (net/socket.c:258)
[   51.467493][ T1189]  ___sys_sendmsg (net/socket.c:2767)
[   51.467496][ T1189]  ? copy_msghdr_from_user (net/socket.c:2619)
[   51.467512][ T1189]  __sys_sendmsg (net/socket.c:2799)
[   51.467515][ T1189]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   51.467521][ T1189]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   51.467524][ T1189]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   51.467527][ T1189]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   51.467530][ T1189]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.467533][ T1189] RIP: 0033:0x7fcd0e2d954e
[   51.467536][ T1189] 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
[   51.467538][ T1189] RSP: 002b:00007ffc694dc190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.467541][ T1189] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcd0e2d954e
[   51.467542][ T1189] RDX: 0000000000000000 RSI: 00007ffc694dc240 RDI: 0000000000000005
[   51.467543][ T1189] RBP: 00007ffc694dc1a0 R08: 0000000000000000 R09: 0000000000000000
[   51.467544][ T1189] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91502c
[   51.467545][ T1189] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc694dc900
| [   53.304835][ T1264] softirqs last disabled at (25394): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   53.304837][ T1264] Preemption disabled at:
| [   53.304837][ T1264] vprintk_emit (kernel/printk/printk.c:2471)
| [   53.304846][ T1264] Tainted: [W]=WARN
[   53.304847][ T1264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.304849][ T1264] Call Trace:
[   53.304850][ T1264]  <TASK>
[   53.304851][ T1264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.304858][ T1264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   53.304859][ T1264]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.304864][ T1264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.304868][ T1264]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.304872][ T1264]  __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))
[   53.304874][ T1264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.304881][ T1264]  ? 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)
[   53.304884][ T1264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.304887][ T1264]  put_chars (drivers/char/virtio_console.c:1176)
[   53.304890][ T1264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.304891][ T1264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.304894][ T1264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.304897][ T1264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.304902][ T1264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.304906][ T1264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.304911][ T1264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.304914][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.304918][ T1264]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.304922][ T1264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.304924][ T1264]  ? 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))
[   53.304928][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.304929][ T1264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.304933][ T1264]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.304937][ T1264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.304939][ T1264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.304944][ T1264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.304947][ T1264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.304949][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.304951][ T1264]  ? 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)
[   53.304954][ T1264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.304956][ T1264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.304959][ T1264]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.304962][ T1264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.304964][ T1264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.304967][ T1264]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.304970][ T1264]  _printk (kernel/printk/printk.c:2504)
[   53.304974][ T1264]  ? snapshot_read.cold (user.c:?)
[   53.304980][ T1264]  ? br_multicast_flood (??:?)
[   53.304984][ T1264]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   53.304986][ T1264]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   53.304988][ T1264]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.304993][ T1264]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   53.304997][ T1264]  br_init_port (net/bridge/br_stp_if.c:39)
[   53.305000][ T1264]  new_nbp (net/bridge/br_if.c:449)
[   53.305004][ T1264]  br_add_if (net/bridge/br_if.c:592)
[   53.305005][ T1264]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   53.305013][ T1264]  do_set_master (net/core/rtnetlink.c:3071)
[   53.305017][ T1264]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   53.305020][ T1264]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   53.305022][ T1264]  ? __dev_get_by_name (net/core/dev.c:905)
[   53.305024][ T1264]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   53.305033][ T1264]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   53.305040][ T1264]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.305045][ T1264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.305047][ T1264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.305054][ T1264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.305057][ T1264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.305059][ T1264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.305063][ T1264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.305064][ T1264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.305068][ T1264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.305070][ T1264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.305074][ T1264]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.305077][ T1264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.305080][ T1264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.305086][ T1264]  ? 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))
[   53.305088][ T1264]  ? 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))
[   53.305093][ T1264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.305097][ T1264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.305102][ T1264]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.305106][ T1264]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.305110][ T1264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.305112][ T1264]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   53.305117][ T1264]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   53.305121][ T1264]  ____sys_sendmsg (net/socket.c:2713)
[   53.305123][ T1264]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.305126][ T1264]  ? sock_write_iter (net/socket.c:1269)
[   53.305127][ T1264]  ? move_addr_to_kernel (net/socket.c:258)
[   53.305131][ T1264]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   53.305134][ T1264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.305138][ T1264]  ___sys_sendmsg (net/socket.c:2767)
[   53.305139][ T1264]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   53.305142][ T1264]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.305144][ T1264]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   53.305159][ T1264]  __sys_sendmsg (net/socket.c:2799)
[   53.305162][ T1264]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.305173][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.305174][ T1264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.305177][ T1264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.305181][ T1264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.305184][ T1264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.305186][ T1264] RIP: 0033:0x7f9db4a2654e
[   53.305190][ T1264] 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
[   53.305192][ T1264] RSP: 002b:00007ffd6c1f7d30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.305195][ T1264] RAX: ffffffffffffffda RBX: 00007ffd6c1f84f8 RCX: 00007f9db4a2654e
[   53.305196][ T1264] RDX: 0000000000000000 RSI: 00007ffd6c1f7de0 RDI: 0000000000000005
[   53.305197][ T1264] RBP: 00007ffd6c1f7d40 R08: 0000000000000000 R09: 0000000000000000
[   53.305198][ T1264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91502e
[   53.305198][ T1264] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6c1f84b0
| [   54.477435][ T1301] softirqs last disabled at (30022): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   54.477439][ T1301] Preemption disabled at:
| [   54.477440][ T1301] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.477451][ T1301] Tainted: [W]=WARN
[   54.477452][ T1301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.477454][ T1301] Call Trace:
[   54.477456][ T1301]  <TASK>
[   54.477458][ T1301]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.477466][ T1301]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.477469][ T1301]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.477475][ T1301]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.477481][ T1301]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.477487][ T1301]  __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))
[   54.477491][ T1301]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.477500][ T1301]  ? 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)
[   54.477504][ T1301]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.477510][ T1301]  put_chars (drivers/char/virtio_console.c:1176)
[   54.477514][ T1301]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.477525][ T1301]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.477537][ T1301]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.477542][ T1301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.477550][ T1301]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.477556][ T1301]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.477559][ T1301]  ? 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))
[   54.477564][ T1301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.477568][ T1301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.477576][ T1301]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.477582][ T1301]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.477585][ T1301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.477594][ T1301]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.477599][ T1301]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.477601][ T1301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.477604][ T1301]  ? 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)
[   54.477610][ T1301]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.477613][ T1301]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.477618][ T1301]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.477624][ T1301]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.477628][ T1301]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   54.477638][ T1301]  _printk (kernel/printk/printk.c:2504)
[   54.477643][ T1301]  ? snapshot_read.cold (user.c:?)
[   54.477646][ T1301]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.477650][ T1301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.477654][ T1301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.477657][ T1301]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   54.477663][ T1301]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   54.477667][ T1301]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.477671][ T1301]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   54.477675][ T1301]  ? netdev_notice (net/core/dev.c:13194)
[   54.477680][ T1301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.477685][ T1301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.477689][ T1301]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.477695][ T1301]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.477699][ T1301]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   54.477703][ T1301]  ? register_netdev (net/core/dev.c:11618)
[   54.477705][ T1301]  ? 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))
[   54.477714][ T1301]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   54.477718][ T1301]  ? __kernel_text_address (kernel/extable.c:79)
[   54.477721][ T1301]  ? write_profile (profile.c:?)
[   54.477727][ T1301]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   54.477737][ T1301]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   54.477743][ T1301]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   54.477746][ T1301]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   54.477749][ T1301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.477752][ T1301]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.477757][ T1301]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   54.477760][ T1301]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.477763][ T1301]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   54.477767][ T1301]  ? kasan_save_stack (mm/kasan/common.c:58)
[   54.477770][ T1301]  ? kasan_save_stack (mm/kasan/common.c:57)
[   54.477772][ T1301]  ? kasan_save_track (mm/kasan/common.c:78)
[   54.477774][ T1301]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   54.477778][ T1301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.477781][ T1301]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   54.477785][ T1301]  ? ___sys_sendmsg (net/socket.c:2758)
[   54.477791][ T1301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.477794][ T1301]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.477799][ T1301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.477802][ T1301]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.477804][ T1301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.477806][ T1301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.477810][ T1301]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   54.477813][ T1301]  ? __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)
[   54.477815][ T1301]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.477819][ T1301]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   54.477825][ T1301]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   54.477826][ T1301]  ? nla_get_range_signed (lib/nlattr.c:270)
[   54.477834][ T1301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.477839][ T1301]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   54.477850][ T1301]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.477860][ T1301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.477863][ T1301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.477871][ T1301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.477874][ T1301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.477877][ T1301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.477880][ T1301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.477887][ T1301]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.477891][ T1301]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.477896][ T1301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.477899][ T1301]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.477906][ T1301]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.477909][ T1301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.477916][ T1301]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.477920][ T1301]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.477925][ T1301]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.477937][ T1301]  ? 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))
[   54.477940][ T1301]  ? 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))
[   54.477947][ T1301]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.477954][ T1301]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.477958][ T1301]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.477966][ T1301]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.477973][ T1301]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.477982][ T1301]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.477985][ T1301]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   54.477993][ T1301]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   54.477998][ T1301]  ____sys_sendmsg (net/socket.c:2713)
[   54.478002][ T1301]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.478006][ T1301]  ? sock_write_iter (net/socket.c:1269)
[   54.478008][ T1301]  ? move_addr_to_kernel (net/socket.c:258)
[   54.478022][ T1301]  ___sys_sendmsg (net/socket.c:2767)
[   54.478027][ T1301]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.478057][ T1301]  __sys_sendmsg (net/socket.c:2799)
[   54.478061][ T1301]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.478073][ T1301]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.478078][ T1301]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.478082][ T1301]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.478087][ T1301]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.478091][ T1301] RIP: 0033:0x7f2cd6ad854e
[   54.478096][ T1301] 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
[   54.478098][ T1301] RSP: 002b:00007ffd5d839d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.478102][ T1301] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2cd6ad854e
[   54.478104][ T1301] RDX: 0000000000000000 RSI: 00007ffd5d839dc0 RDI: 0000000000000005
[   54.478106][ T1301] RBP: 00007ffd5d839d20 R08: 0000000000000000 R09: 0000000000000000
[   54.478107][ T1301] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91502f
[   54.478109][ T1301] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5d83a480
| [   56.579603][ T1368] softirqs last disabled at (18520): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   56.579605][ T1368] Preemption disabled at:
| [   56.579606][ T1368] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.579615][ T1368] Tainted: [W]=WARN
[   56.579616][ T1368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.579617][ T1368] Call Trace:
[   56.579619][ T1368]  <TASK>
[   56.579620][ T1368]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.579626][ T1368]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.579628][ T1368]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.579633][ T1368]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.579637][ T1368]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.579641][ T1368]  __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))
[   56.579643][ T1368]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.579650][ T1368]  ? 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)
[   56.579653][ T1368]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.579656][ T1368]  put_chars (drivers/char/virtio_console.c:1176)
[   56.579659][ T1368]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.579660][ T1368]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.579663][ T1368]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.579666][ T1368]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   56.579671][ T1368]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.579675][ T1368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.579680][ T1368]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.579683][ T1368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.579688][ T1368]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.579692][ T1368]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.579694][ T1368]  ? 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))
[   56.579697][ T1368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.579699][ T1368]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.579703][ T1368]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.579707][ T1368]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.579709][ T1368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.579714][ T1368]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.579717][ T1368]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.579719][ T1368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.579721][ T1368]  ? 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)
[   56.579724][ T1368]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.579726][ T1368]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.579729][ T1368]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.579732][ T1368]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.579734][ T1368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.579737][ T1368]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.579740][ T1368]  _printk (kernel/printk/printk.c:2504)
[   56.579744][ T1368]  ? snapshot_read.cold (user.c:?)
[   56.579747][ T1368]  ? br_multicast_flood (??:?)
[   56.579750][ T1368]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   56.579752][ T1368]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   56.579753][ T1368]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.579757][ T1368]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   56.579761][ T1368]  br_init_port (net/bridge/br_stp_if.c:39)
[   56.579764][ T1368]  new_nbp (net/bridge/br_if.c:449)
[   56.579768][ T1368]  br_add_if (net/bridge/br_if.c:592)
[   56.579770][ T1368]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   56.579778][ T1368]  do_set_master (net/core/rtnetlink.c:3071)
[   56.579781][ T1368]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   56.579785][ T1368]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   56.579786][ T1368]  ? __dev_get_by_name (net/core/dev.c:905)
[   56.579789][ T1368]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   56.579798][ T1368]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   56.579804][ T1368]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.579809][ T1368]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.579811][ T1368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.579818][ T1368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.579822][ T1368]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.579824][ T1368]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.579827][ T1368]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.579828][ T1368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.579833][ T1368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.579835][ T1368]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.579839][ T1368]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.579841][ T1368]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.579844][ T1368]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.579851][ T1368]  ? 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))
[   56.579853][ T1368]  ? 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))
[   56.579858][ T1368]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.579862][ T1368]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.579867][ T1368]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.579871][ T1368]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.579875][ T1368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.579877][ T1368]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   56.579882][ T1368]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   56.579886][ T1368]  ____sys_sendmsg (net/socket.c:2713)
[   56.579888][ T1368]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.579890][ T1368]  ? sock_write_iter (net/socket.c:1269)
[   56.579892][ T1368]  ? move_addr_to_kernel (net/socket.c:258)
[   56.579896][ T1368]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   56.579899][ T1368]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.579903][ T1368]  ___sys_sendmsg (net/socket.c:2767)
[   56.579905][ T1368]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   56.579907][ T1368]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.579910][ T1368]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   56.579924][ T1368]  __sys_sendmsg (net/socket.c:2799)
[   56.579927][ T1368]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.579933][ T1368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.579934][ T1368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.579937][ T1368]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.579941][ T1368]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.579944][ T1368]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.579946][ T1368] RIP: 0033:0x7ff13f36154e
[   56.579951][ T1368] 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
[   56.579952][ T1368] RSP: 002b:00007ffd10037080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.579955][ T1368] RAX: ffffffffffffffda RBX: 00007ffd10037848 RCX: 00007ff13f36154e
[   56.579956][ T1368] RDX: 0000000000000000 RSI: 00007ffd10037130 RDI: 0000000000000005
[   56.579957][ T1368] RBP: 00007ffd10037090 R08: 0000000000000000 R09: 0000000000000000
[   56.579958][ T1368] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915031
[   56.579959][ T1368] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd10037800
| [   63.901297][   T12] softirqs last disabled at (846344): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   63.901300][   T12] Preemption disabled at:
| [   63.901300][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.901309][   T12] Tainted: [W]=WARN
[   63.901310][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.901312][   T12] Workqueue: netns cleanup_net
[   63.901315][   T12] Call Trace:
[   63.901317][   T12]  <TASK>
[   63.901319][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.901325][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.901327][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.901332][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.901336][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   63.901340][   T12]  __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))
[   63.901343][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.901349][   T12]  ? 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)
[   63.901352][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.901356][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   63.901359][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.901360][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   63.901364][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.901367][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   63.901372][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.901376][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.901381][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.901385][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.901390][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.901394][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.901396][   T12]  ? 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))
[   63.901403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.901405][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.901410][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.901414][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.901417][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.901422][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.901426][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.901428][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.901429][   T12]  ? 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)
[   63.901434][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.901435][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.901438][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.901442][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.901443][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   63.901445][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   63.901447][   T12]  ? kthread (kernel/kthread.c:436)
[   63.901450][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   63.901453][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   63.901458][   T12]  _printk (kernel/printk/printk.c:2504)
[   63.901462][   T12]  ? snapshot_read.cold (user.c:?)
[   63.901467][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   63.901471][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   63.901475][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   63.901478][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   63.901483][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.901484][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   63.901487][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   63.901489][   T12]  ? 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)
[   63.901492][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   63.901496][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   63.901500][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   63.901507][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   63.901510][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   63.901514][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   63.901518][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   63.901522][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   63.901524][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.901527][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   63.901532][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   63.901535][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   63.901539][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.901541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.901545][   T12]  process_one_work (kernel/workqueue.c:3387)
[   63.901552][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   63.901555][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.901563][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   63.901571][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   63.901573][   T12]  kthread (kernel/kthread.c:436)
[   63.901575][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   63.901579][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   63.901582][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   63.901585][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   63.901588][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   63.901592][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   63.901595][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   65.198037][ T1516] softirqs last disabled at (17672): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   65.198039][ T1516] Preemption disabled at:
| [   65.198040][ T1516] vprintk_emit (kernel/printk/printk.c:2471)
| [   65.198049][ T1516] Tainted: [W]=WARN
[   65.198050][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.198052][ T1516] Call Trace:
[   65.198054][ T1516]  <TASK>
[   65.198055][ T1516]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.198062][ T1516]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   65.198063][ T1516]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.198068][ T1516]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.198072][ T1516]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   65.198077][ T1516]  __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))
[   65.198079][ T1516]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.198086][ T1516]  ? 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)
[   65.198089][ T1516]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.198092][ T1516]  put_chars (drivers/char/virtio_console.c:1176)
[   65.198095][ T1516]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.198101][ T1516]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.198109][ T1516]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.198112][ T1516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.198117][ T1516]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.198121][ T1516]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.198123][ T1516]  ? 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))
[   65.198126][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.198129][ T1516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.198133][ T1516]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.198138][ T1516]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.198140][ T1516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.198145][ T1516]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.198148][ T1516]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.198150][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.198152][ T1516]  ? 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)
[   65.198156][ T1516]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.198158][ T1516]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.198160][ T1516]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.198164][ T1516]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.198166][ T1516]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   65.198172][ T1516]  _printk (kernel/printk/printk.c:2504)
[   65.198175][ T1516]  ? snapshot_read.cold (user.c:?)
[   65.198177][ T1516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.198180][ T1516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.198183][ T1516]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.198185][ T1516]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   65.198189][ T1516]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   65.198192][ T1516]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.198194][ T1516]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   65.198197][ T1516]  ? netdev_notice (net/core/dev.c:13194)
[   65.198200][ T1516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.198203][ T1516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.198206][ T1516]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   65.198209][ T1516]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.198211][ T1516]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   65.198213][ T1516]  ? register_netdev (net/core/dev.c:11618)
[   65.198215][ T1516]  ? 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))
[   65.198220][ T1516]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   65.198223][ T1516]  ? __kernel_text_address (kernel/extable.c:79)
[   65.198226][ T1516]  ? write_profile (profile.c:?)
[   65.198236][ T1516]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   65.198242][ T1516]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   65.198245][ T1516]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   65.198248][ T1516]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   65.198249][ T1516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.198251][ T1516]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.198255][ T1516]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.198257][ T1516]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.198258][ T1516]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.198261][ T1516]  ? kasan_save_stack (mm/kasan/common.c:58)
[   65.198263][ T1516]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.198264][ T1516]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.198266][ T1516]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.198268][ T1516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.198270][ T1516]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   65.198273][ T1516]  ? ___sys_sendmsg (net/socket.c:2758)
[   65.198277][ T1516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.198279][ T1516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.198282][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.198284][ T1516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.198285][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.198286][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.198288][ T1516]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   65.198291][ T1516]  ? __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)
[   65.198292][ T1516]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   65.198294][ T1516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   65.198298][ T1516]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   65.198299][ T1516]  ? nla_get_range_signed (lib/nlattr.c:270)
[   65.198304][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.198306][ T1516]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   65.198312][ T1516]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.198317][ T1516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.198319][ T1516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.198324][ T1516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.198326][ T1516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.198328][ T1516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.198330][ T1516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.198333][ T1516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.198336][ T1516]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.198339][ T1516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.198340][ T1516]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.198348][ T1516]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.198350][ T1516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.198353][ T1516]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.198357][ T1516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.198360][ T1516]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.198366][ T1516]  ? 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))
[   65.198368][ T1516]  ? 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))
[   65.198373][ T1516]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.198377][ T1516]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.198380][ T1516]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.198384][ T1516]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.198388][ T1516]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.198392][ T1516]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.198394][ T1516]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   65.198399][ T1516]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   65.198402][ T1516]  ____sys_sendmsg (net/socket.c:2713)
[   65.198405][ T1516]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.198407][ T1516]  ? sock_write_iter (net/socket.c:1269)
[   65.198409][ T1516]  ? move_addr_to_kernel (net/socket.c:258)
[   65.198416][ T1516]  ___sys_sendmsg (net/socket.c:2767)
[   65.198419][ T1516]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.198435][ T1516]  __sys_sendmsg (net/socket.c:2799)
[   65.198438][ T1516]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.198444][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.198448][ T1516]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.198451][ T1516]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.198454][ T1516]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.198456][ T1516] RIP: 0033:0x7fa0daaea54e
[   65.198460][ T1516] 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
[   65.198462][ T1516] RSP: 002b:00007ffc204316e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.198464][ T1516] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa0daaea54e
[   65.198466][ T1516] RDX: 0000000000000000 RSI: 00007ffc20431790 RDI: 0000000000000005
[   65.198467][ T1516] RBP: 00007ffc204316f0 R08: 0000000000000000 R09: 0000000000000000
[   65.198468][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91503a
[   65.198469][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc20431e50
| [   67.384805][ T1591] softirqs last disabled at (18164): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   67.384808][ T1591] Preemption disabled at:
| [   67.384809][ T1591] vprintk_emit (kernel/printk/printk.c:2471)
| [   67.384821][ T1591] Tainted: [W]=WARN
[   67.384822][ T1591] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.384824][ T1591] Call Trace:
[   67.384826][ T1591]  <TASK>
[   67.384829][ T1591]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   67.384837][ T1591]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   67.384840][ T1591]  __might_resched.cold (kernel/sched/core.c:9234)
[   67.384846][ T1591]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   67.384853][ T1591]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   67.384860][ T1591]  __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))
[   67.384863][ T1591]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.384874][ T1591]  ? 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)
[   67.384877][ T1591]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   67.384884][ T1591]  put_chars (drivers/char/virtio_console.c:1176)
[   67.384888][ T1591]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   67.384890][ T1591]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   67.384896][ T1591]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.384900][ T1591]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   67.384910][ T1591]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   67.384915][ T1591]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.384925][ T1591]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   67.384931][ T1591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.384940][ T1591]  console_emit_next_record (kernel/printk/printk.c:3183)
[   67.384947][ T1591]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   67.384950][ T1591]  ? 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))
[   67.384956][ T1591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.384959][ T1591]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   67.384967][ T1591]  console_flush_one_record (kernel/printk/printk.c:3268)
[   67.384974][ T1591]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   67.384978][ T1591]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.384988][ T1591]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   67.384992][ T1591]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   67.384995][ T1591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.384999][ T1591]  ? 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)
[   67.385006][ T1591]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   67.385009][ T1591]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   67.385014][ T1591]  vprintk_emit (kernel/printk/printk.c:2479)
[   67.385020][ T1591]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   67.385024][ T1591]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.385029][ T1591]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   67.385035][ T1591]  _printk (kernel/printk/printk.c:2504)
[   67.385041][ T1591]  ? snapshot_read.cold (user.c:?)
[   67.385048][ T1591]  ? br_multicast_flood (??:?)
[   67.385052][ T1591]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   67.385054][ T1591]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   67.385056][ T1591]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   67.385065][ T1591]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   67.385073][ T1591]  br_init_port (net/bridge/br_stp_if.c:39)
[   67.385077][ T1591]  new_nbp (net/bridge/br_if.c:449)
[   67.385084][ T1591]  br_add_if (net/bridge/br_if.c:592)
[   67.385087][ T1591]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   67.385101][ T1591]  do_set_master (net/core/rtnetlink.c:3071)
[   67.385107][ T1591]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   67.385115][ T1591]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   67.385118][ T1591]  ? __dev_get_by_name (net/core/dev.c:905)
[   67.385121][ T1591]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   67.385139][ T1591]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   67.385152][ T1591]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   67.385163][ T1591]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.385167][ T1591]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.385180][ T1591]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.385187][ T1591]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   67.385191][ T1591]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   67.385197][ T1591]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.385200][ T1591]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   67.385209][ T1591]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   67.385212][ T1591]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.385219][ T1591]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   67.385224][ T1591]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.385230][ T1591]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.385248][ T1591]  ? 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))
[   67.385251][ T1591]  ? 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))
[   67.385260][ T1591]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.385267][ T1591]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.385279][ T1591]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   67.385286][ T1591]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   67.385293][ T1591]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   67.385296][ T1591]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   67.385305][ T1591]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   67.385311][ T1591]  ____sys_sendmsg (net/socket.c:2713)
[   67.385315][ T1591]  ? copy_msghdr_from_user (net/socket.c:2650)
[   67.385319][ T1591]  ? sock_write_iter (net/socket.c:1269)
[   67.385322][ T1591]  ? move_addr_to_kernel (net/socket.c:258)
[   67.385331][ T1591]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   67.385335][ T1591]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   67.385342][ T1591]  ___sys_sendmsg (net/socket.c:2767)
[   67.385345][ T1591]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   67.385349][ T1591]  ? copy_msghdr_from_user (net/socket.c:2619)
[   67.385354][ T1591]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   67.385384][ T1591]  __sys_sendmsg (net/socket.c:2799)
[   67.385389][ T1591]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   67.385402][ T1591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.385406][ T1591]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   67.385412][ T1591]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   67.385417][ T1591]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   67.385422][ T1591]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.385426][ T1591] RIP: 0033:0x7f4736be154e
[   67.385431][ T1591] 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
[   67.385434][ T1591] RSP: 002b:00007ffe33ed2e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.385438][ T1591] RAX: ffffffffffffffda RBX: 00007ffe33ed3658 RCX: 00007f4736be154e
[   67.385440][ T1591] RDX: 0000000000000000 RSI: 00007ffe33ed2f40 RDI: 0000000000000005
[   67.385442][ T1591] RBP: 00007ffe33ed2ea0 R08: 0000000000000000 R09: 0000000000000000
[   67.385444][ T1591] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91503c
[   67.385445][ T1591] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe33ed3610
| [   68.776119][ T1628] softirqs last disabled at (16906): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   68.776122][ T1628] Preemption disabled at:
| [   68.776122][ T1628] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.776131][ T1628] Tainted: [W]=WARN
[   68.776132][ T1628] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.776134][ T1628] Call Trace:
[   68.776136][ T1628]  <TASK>
[   68.776137][ T1628]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.776143][ T1628]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.776145][ T1628]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.776150][ T1628]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.776154][ T1628]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.776158][ T1628]  __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))
[   68.776160][ T1628]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.776167][ T1628]  ? 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)
[   68.776170][ T1628]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.776174][ T1628]  put_chars (drivers/char/virtio_console.c:1176)
[   68.776177][ T1628]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.776183][ T1628]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.776191][ T1628]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.776194][ T1628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.776199][ T1628]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.776203][ T1628]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.776205][ T1628]  ? 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))
[   68.776208][ T1628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.776211][ T1628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.776215][ T1628]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.776220][ T1628]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.776221][ T1628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.776227][ T1628]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.776230][ T1628]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.776232][ T1628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.776234][ T1628]  ? 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)
[   68.776238][ T1628]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.776239][ T1628]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.776242][ T1628]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.776245][ T1628]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.776248][ T1628]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   68.776259][ T1628]  _printk (kernel/printk/printk.c:2504)
[   68.776263][ T1628]  ? snapshot_read.cold (user.c:?)
[   68.776265][ T1628]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.776267][ T1628]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.776270][ T1628]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.776272][ T1628]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   68.776276][ T1628]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   68.776279][ T1628]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   68.776281][ T1628]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   68.776284][ T1628]  ? netdev_notice (net/core/dev.c:13194)
[   68.776287][ T1628]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.776290][ T1628]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.776292][ T1628]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   68.776296][ T1628]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   68.776298][ T1628]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   68.776300][ T1628]  ? register_netdev (net/core/dev.c:11618)
[   68.776302][ T1628]  ? 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))
[   68.776307][ T1628]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   68.776310][ T1628]  ? __kernel_text_address (kernel/extable.c:79)
[   68.776313][ T1628]  ? write_profile (profile.c:?)
[   68.776317][ T1628]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   68.776323][ T1628]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   68.776326][ T1628]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   68.776329][ T1628]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   68.776330][ T1628]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.776332][ T1628]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.776335][ T1628]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.776337][ T1628]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.776339][ T1628]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.776341][ T1628]  ? kasan_save_stack (mm/kasan/common.c:58)
[   68.776343][ T1628]  ? kasan_save_stack (mm/kasan/common.c:57)
[   68.776344][ T1628]  ? kasan_save_track (mm/kasan/common.c:78)
[   68.776346][ T1628]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   68.776348][ T1628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.776350][ T1628]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   68.776353][ T1628]  ? ___sys_sendmsg (net/socket.c:2758)
[   68.776357][ T1628]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.776359][ T1628]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.776362][ T1628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.776364][ T1628]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.776366][ T1628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.776367][ T1628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.776368][ T1628]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   68.776371][ T1628]  ? __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)
[   68.776372][ T1628]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   68.776374][ T1628]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.776377][ T1628]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   68.776378][ T1628]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.776384][ T1628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.776386][ T1628]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   68.776391][ T1628]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.776397][ T1628]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.776399][ T1628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.776406][ T1628]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.776408][ T1628]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.776410][ T1628]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.776412][ T1628]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.776416][ T1628]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.776418][ T1628]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.776421][ T1628]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.776423][ T1628]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.776427][ T1628]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.776429][ T1628]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.776433][ T1628]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.776436][ T1628]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.776439][ T1628]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.776446][ T1628]  ? 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))
[   68.776448][ T1628]  ? 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))
[   68.776452][ T1628]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.776456][ T1628]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.776459][ T1628]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.776463][ T1628]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.776467][ T1628]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.776471][ T1628]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.776473][ T1628]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   68.776478][ T1628]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   68.776481][ T1628]  ____sys_sendmsg (net/socket.c:2713)
[   68.776483][ T1628]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.776486][ T1628]  ? sock_write_iter (net/socket.c:1269)
[   68.776487][ T1628]  ? move_addr_to_kernel (net/socket.c:258)
[   68.776495][ T1628]  ___sys_sendmsg (net/socket.c:2767)
[   68.776498][ T1628]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.776514][ T1628]  __sys_sendmsg (net/socket.c:2799)
[   68.776517][ T1628]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.776523][ T1628]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.776526][ T1628]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.776530][ T1628]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.776533][ T1628]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.776535][ T1628] RIP: 0033:0x7efcaa1c254e
[   68.776539][ T1628] 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
[   68.776541][ T1628] RSP: 002b:00007ffe60e6a400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.776544][ T1628] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007efcaa1c254e
[   68.776545][ T1628] RDX: 0000000000000000 RSI: 00007ffe60e6a4b0 RDI: 0000000000000005
[   68.776546][ T1628] RBP: 00007ffe60e6a410 R08: 0000000000000000 R09: 0000000000000000
[   68.776547][ T1628] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91503e
[   68.776548][ T1628] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe60e6ab70
| [   70.935801][ T1703] softirqs last disabled at (21384): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   70.935803][ T1703] Preemption disabled at:
| [   70.935804][ T1703] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.935812][ T1703] Tainted: [W]=WARN
[   70.935813][ T1703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.935815][ T1703] Call Trace:
[   70.935816][ T1703]  <TASK>
[   70.935818][ T1703]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.935824][ T1703]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.935826][ T1703]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.935830][ T1703]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.935834][ T1703]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   70.935839][ T1703]  __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))
[   70.935841][ T1703]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.935847][ T1703]  ? 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)
[   70.935850][ T1703]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.935854][ T1703]  put_chars (drivers/char/virtio_console.c:1176)
[   70.935856][ T1703]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.935857][ T1703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   70.935861][ T1703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.935864][ T1703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   70.935869][ T1703]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.935872][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.935877][ T1703]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.935880][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.935885][ T1703]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.935889][ T1703]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.935891][ T1703]  ? 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))
[   70.935894][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.935896][ T1703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.935900][ T1703]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.935904][ T1703]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.935906][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.935911][ T1703]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.935914][ T1703]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.935916][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.935917][ T1703]  ? 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)
[   70.935921][ T1703]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.935923][ T1703]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.935925][ T1703]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.935929][ T1703]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.935930][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.935933][ T1703]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   70.935937][ T1703]  _printk (kernel/printk/printk.c:2504)
[   70.935940][ T1703]  ? snapshot_read.cold (user.c:?)
[   70.935944][ T1703]  ? br_multicast_flood (??:?)
[   70.935947][ T1703]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   70.935948][ T1703]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   70.935949][ T1703]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.935954][ T1703]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   70.935958][ T1703]  br_init_port (net/bridge/br_stp_if.c:39)
[   70.935960][ T1703]  new_nbp (net/bridge/br_if.c:449)
[   70.935964][ T1703]  br_add_if (net/bridge/br_if.c:592)
[   70.935966][ T1703]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   70.935975][ T1703]  do_set_master (net/core/rtnetlink.c:3071)
[   70.935981][ T1703]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   70.935986][ T1703]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   70.935988][ T1703]  ? __dev_get_by_name (net/core/dev.c:905)
[   70.935991][ T1703]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   70.936000][ T1703]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   70.936006][ T1703]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.936012][ T1703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.936013][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.936020][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.936024][ T1703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.936026][ T1703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.936029][ T1703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.936030][ T1703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   70.936035][ T1703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   70.936037][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.936041][ T1703]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.936044][ T1703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.936047][ T1703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.936053][ T1703]  ? 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))
[   70.936055][ T1703]  ? 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))
[   70.936059][ T1703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.936063][ T1703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.936069][ T1703]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.936073][ T1703]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.936076][ T1703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   70.936078][ T1703]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   70.936084][ T1703]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   70.936087][ T1703]  ____sys_sendmsg (net/socket.c:2713)
[   70.936090][ T1703]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.936092][ T1703]  ? sock_write_iter (net/socket.c:1269)
[   70.936093][ T1703]  ? move_addr_to_kernel (net/socket.c:258)
[   70.936098][ T1703]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   70.936101][ T1703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.936104][ T1703]  ___sys_sendmsg (net/socket.c:2767)
[   70.936106][ T1703]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   70.936109][ T1703]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.936111][ T1703]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   70.936126][ T1703]  __sys_sendmsg (net/socket.c:2799)
[   70.936129][ T1703]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.936134][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.936136][ T1703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.936139][ T1703]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.936142][ T1703]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.936145][ T1703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.936147][ T1703] RIP: 0033:0x7f7cb059754e
[   70.936151][ T1703] 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
[   70.936153][ T1703] RSP: 002b:00007fffb6a1d920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.936156][ T1703] RAX: ffffffffffffffda RBX: 00007fffb6a1e0e8 RCX: 00007f7cb059754e
[   70.936157][ T1703] RDX: 0000000000000000 RSI: 00007fffb6a1d9d0 RDI: 0000000000000005
[   70.936158][ T1703] RBP: 00007fffb6a1d930 R08: 0000000000000000 R09: 0000000000000000
[   70.936159][ T1703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915040
[   70.936160][ T1703] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb6a1e0a0
| [   78.169659][   T12] softirqs last disabled at (1124780): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   78.169661][   T12] Preemption disabled at:
| [   78.169662][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   78.169671][   T12] Tainted: [W]=WARN
[   78.169672][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.169674][   T12] Workqueue: netns cleanup_net
[   78.169677][   T12] Call Trace:
[   78.169679][   T12]  <TASK>
[   78.169680][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   78.169686][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   78.169688][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   78.169693][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   78.169697][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   78.169701][   T12]  __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))
[   78.169703][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.169710][   T12]  ? 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)
[   78.169713][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   78.169717][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   78.169720][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   78.169721][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   78.169725][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   78.169729][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   78.169734][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   78.169738][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.169743][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   78.169746][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.169752][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   78.169756][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   78.169758][   T12]  ? 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))
[   78.169761][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.169763][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.169767][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   78.169772][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   78.169774][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   78.169779][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   78.169782][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   78.169784][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.169786][   T12]  ? 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)
[   78.169790][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   78.169792][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   78.169795][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   78.169798][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   78.169799][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   78.169801][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   78.169803][   T12]  ? kthread (kernel/kthread.c:436)
[   78.169806][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   78.169809][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   78.169814][   T12]  _printk (kernel/printk/printk.c:2504)
[   78.169817][   T12]  ? snapshot_read.cold (user.c:?)
[   78.169822][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   78.169826][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   78.169830][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   78.169833][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   78.169838][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.169840][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   78.169842][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   78.169844][   T12]  ? 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)
[   78.169847][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   78.169851][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   78.169855][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   78.169862][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   78.169866][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   78.169869][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   78.169873][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   78.169877][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.169878][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   78.169882][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   78.169887][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   78.169890][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.169894][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   78.169896][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   78.169900][   T12]  process_one_work (kernel/workqueue.c:3387)
[   78.169907][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   78.169910][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   78.169918][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   78.169926][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   78.169928][   T12]  kthread (kernel/kthread.c:436)
[   78.169930][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.169933][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   78.169937][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.169939][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   78.169943][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.169946][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   78.169949][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.369970][ T1851] softirqs last disabled at (28878): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   79.369973][ T1851] Preemption disabled at:
| [   79.369974][ T1851] vprintk_emit (kernel/printk/printk.c:2471)
| [   79.369985][ T1851] Tainted: [W]=WARN
[   79.369986][ T1851] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.369988][ T1851] Call Trace:
[   79.369990][ T1851]  <TASK>
[   79.369991][ T1851]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   79.369998][ T1851]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   79.369999][ T1851]  __might_resched.cold (kernel/sched/core.c:9234)
[   79.370004][ T1851]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   79.370008][ T1851]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   79.370012][ T1851]  __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))
[   79.370014][ T1851]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.370021][ T1851]  ? 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)
[   79.370024][ T1851]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.370028][ T1851]  put_chars (drivers/char/virtio_console.c:1176)
[   79.370030][ T1851]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   79.370036][ T1851]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   79.370044][ T1851]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   79.370047][ T1851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.370052][ T1851]  console_emit_next_record (kernel/printk/printk.c:3183)
[   79.370056][ T1851]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   79.370058][ T1851]  ? 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))
[   79.370061][ T1851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.370064][ T1851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.370068][ T1851]  console_flush_one_record (kernel/printk/printk.c:3268)
[   79.370072][ T1851]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   79.370074][ T1851]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.370079][ T1851]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   79.370082][ T1851]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   79.370084][ T1851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.370086][ T1851]  ? 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)
[   79.370090][ T1851]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   79.370091][ T1851]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   79.370094][ T1851]  vprintk_emit (kernel/printk/printk.c:2479)
[   79.370097][ T1851]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   79.370100][ T1851]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   79.370105][ T1851]  _printk (kernel/printk/printk.c:2504)
[   79.370109][ T1851]  ? snapshot_read.cold (user.c:?)
[   79.370111][ T1851]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   79.370113][ T1851]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.370116][ T1851]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   79.370118][ T1851]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   79.370122][ T1851]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   79.370125][ T1851]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   79.370127][ T1851]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   79.370130][ T1851]  ? netdev_notice (net/core/dev.c:13194)
[   79.370132][ T1851]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.370136][ T1851]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.370138][ T1851]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   79.370142][ T1851]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   79.370144][ T1851]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   79.370146][ T1851]  ? register_netdev (net/core/dev.c:11618)
[   79.370147][ T1851]  ? 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))
[   79.370153][ T1851]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   79.370155][ T1851]  ? __kernel_text_address (kernel/extable.c:79)
[   79.370158][ T1851]  ? write_profile (profile.c:?)
[   79.370162][ T1851]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   79.370168][ T1851]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   79.370171][ T1851]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   79.370173][ T1851]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   79.370174][ T1851]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   79.370176][ T1851]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   79.370180][ T1851]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   79.370182][ T1851]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.370183][ T1851]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   79.370186][ T1851]  ? kasan_save_stack (mm/kasan/common.c:58)
[   79.370188][ T1851]  ? kasan_save_stack (mm/kasan/common.c:57)
[   79.370189][ T1851]  ? kasan_save_track (mm/kasan/common.c:78)
[   79.370190][ T1851]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   79.370192][ T1851]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.370194][ T1851]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   79.370198][ T1851]  ? ___sys_sendmsg (net/socket.c:2758)
[   79.370201][ T1851]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   79.370203][ T1851]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   79.370206][ T1851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.370208][ T1851]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.370210][ T1851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.370211][ T1851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.370212][ T1851]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   79.370215][ T1851]  ? __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)
[   79.370216][ T1851]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   79.370218][ T1851]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   79.370221][ T1851]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   79.370223][ T1851]  ? nla_get_range_signed (lib/nlattr.c:270)
[   79.370228][ T1851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.370230][ T1851]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   79.370235][ T1851]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   79.370240][ T1851]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.370242][ T1851]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.370247][ T1851]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   79.370249][ T1851]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.370251][ T1851]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.370253][ T1851]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.370257][ T1851]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.370259][ T1851]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.370262][ T1851]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.370263][ T1851]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   79.370268][ T1851]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   79.370270][ T1851]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.370273][ T1851]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.370277][ T1851]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.370280][ T1851]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.370286][ T1851]  ? 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))
[   79.370288][ T1851]  ? 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))
[   79.370293][ T1851]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.370297][ T1851]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.370299][ T1851]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   79.370304][ T1851]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.370308][ T1851]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   79.370316][ T1851]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   79.370318][ T1851]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   79.370323][ T1851]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   79.370326][ T1851]  ____sys_sendmsg (net/socket.c:2713)
[   79.370329][ T1851]  ? copy_msghdr_from_user (net/socket.c:2650)
[   79.370331][ T1851]  ? sock_write_iter (net/socket.c:1269)
[   79.370333][ T1851]  ? move_addr_to_kernel (net/socket.c:258)
[   79.370340][ T1851]  ___sys_sendmsg (net/socket.c:2767)
[   79.370343][ T1851]  ? copy_msghdr_from_user (net/socket.c:2619)
[   79.370359][ T1851]  __sys_sendmsg (net/socket.c:2799)
[   79.370361][ T1851]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   79.370368][ T1851]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.370371][ T1851]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.370374][ T1851]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   79.370377][ T1851]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.370379][ T1851] RIP: 0033:0x7f5c6e75e54e
[   79.370383][ T1851] 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
[   79.370385][ T1851] RSP: 002b:00007fff19fae0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.370388][ T1851] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5c6e75e54e
[   79.370390][ T1851] RDX: 0000000000000000 RSI: 00007fff19fae180 RDI: 0000000000000005
[   79.370390][ T1851] RBP: 00007fff19fae0e0 R08: 0000000000000000 R09: 0000000000000000
[   79.370391][ T1851] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915048
[   79.370392][ T1851] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff19fae840
| [   81.451659][ T1926] softirqs last disabled at (23836): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   81.451661][ T1926] Preemption disabled at:
| [   81.451662][ T1926] vprintk_emit (kernel/printk/printk.c:2471)
| [   81.451670][ T1926] Tainted: [W]=WARN
[   81.451671][ T1926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.451672][ T1926] Call Trace:
[   81.451674][ T1926]  <TASK>
[   81.451675][ T1926]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   81.451682][ T1926]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   81.451684][ T1926]  __might_resched.cold (kernel/sched/core.c:9234)
[   81.451688][ T1926]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   81.451692][ T1926]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   81.451697][ T1926]  __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))
[   81.451699][ T1926]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.451706][ T1926]  ? 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)
[   81.451709][ T1926]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.451712][ T1926]  put_chars (drivers/char/virtio_console.c:1176)
[   81.451715][ T1926]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   81.451716][ T1926]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   81.451720][ T1926]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   81.451723][ T1926]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   81.451727][ T1926]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   81.451732][ T1926]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.451737][ T1926]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   81.451740][ T1926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.451745][ T1926]  console_emit_next_record (kernel/printk/printk.c:3183)
[   81.451749][ T1926]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   81.451751][ T1926]  ? 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))
[   81.451754][ T1926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.451756][ T1926]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.451760][ T1926]  console_flush_one_record (kernel/printk/printk.c:3268)
[   81.451765][ T1926]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   81.451767][ T1926]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.451772][ T1926]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   81.451775][ T1926]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   81.451777][ T1926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.451779][ T1926]  ? 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)
[   81.451783][ T1926]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   81.451785][ T1926]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   81.451788][ T1926]  vprintk_emit (kernel/printk/printk.c:2479)
[   81.451791][ T1926]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   81.451793][ T1926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   81.451796][ T1926]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   81.451799][ T1926]  _printk (kernel/printk/printk.c:2504)
[   81.451803][ T1926]  ? snapshot_read.cold (user.c:?)
[   81.451807][ T1926]  ? br_multicast_flood (??:?)
[   81.451810][ T1926]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   81.451811][ T1926]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   81.451813][ T1926]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   81.451817][ T1926]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   81.451822][ T1926]  br_init_port (net/bridge/br_stp_if.c:39)
[   81.451825][ T1926]  new_nbp (net/bridge/br_if.c:449)
[   81.451829][ T1926]  br_add_if (net/bridge/br_if.c:592)
[   81.451831][ T1926]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   81.451839][ T1926]  do_set_master (net/core/rtnetlink.c:3071)
[   81.451842][ T1926]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   81.451846][ T1926]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   81.451848][ T1926]  ? __dev_get_by_name (net/core/dev.c:905)
[   81.451850][ T1926]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   81.451859][ T1926]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   81.451866][ T1926]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   81.451872][ T1926]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   81.451874][ T1926]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.451881][ T1926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   81.451885][ T1926]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   81.451887][ T1926]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   81.451890][ T1926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.451892][ T1926]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   81.451896][ T1926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   81.451898][ T1926]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   81.451902][ T1926]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   81.451905][ T1926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.451908][ T1926]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.451915][ T1926]  ? 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))
[   81.451917][ T1926]  ? 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))
[   81.451922][ T1926]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.451926][ T1926]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.451932][ T1926]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   81.451936][ T1926]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   81.451940][ T1926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   81.451942][ T1926]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   81.451948][ T1926]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   81.451951][ T1926]  ____sys_sendmsg (net/socket.c:2713)
[   81.451954][ T1926]  ? copy_msghdr_from_user (net/socket.c:2650)
[   81.451956][ T1926]  ? sock_write_iter (net/socket.c:1269)
[   81.451958][ T1926]  ? move_addr_to_kernel (net/socket.c:258)
[   81.451963][ T1926]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   81.451965][ T1926]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   81.451969][ T1926]  ___sys_sendmsg (net/socket.c:2767)
[   81.451971][ T1926]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   81.451974][ T1926]  ? copy_msghdr_from_user (net/socket.c:2619)
[   81.451978][ T1926]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   81.451997][ T1926]  __sys_sendmsg (net/socket.c:2799)
[   81.452000][ T1926]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   81.452006][ T1926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.452008][ T1926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.452011][ T1926]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   81.452014][ T1926]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   81.452017][ T1926]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.452020][ T1926] RIP: 0033:0x7f4402f2f54e
[   81.452024][ T1926] 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
[   81.452026][ T1926] RSP: 002b:00007fffd478e890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   81.452028][ T1926] RAX: ffffffffffffffda RBX: 00007fffd478f058 RCX: 00007f4402f2f54e
[   81.452030][ T1926] RDX: 0000000000000000 RSI: 00007fffd478e940 RDI: 0000000000000005
[   81.452031][ T1926] RBP: 00007fffd478e8a0 R08: 0000000000000000 R09: 0000000000000000
[   81.452032][ T1926] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91504a
[   81.452033][ T1926] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd478f010
| [   82.781505][ T1963] softirqs last disabled at (28786): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   82.781508][ T1963] Preemption disabled at:
| [   82.781509][ T1963] vprintk_emit (kernel/printk/printk.c:2471)
| [   82.781517][ T1963] Tainted: [W]=WARN
[   82.781518][ T1963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.781520][ T1963] Call Trace:
[   82.781521][ T1963]  <TASK>
[   82.781523][ T1963]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   82.781529][ T1963]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   82.781531][ T1963]  __might_resched.cold (kernel/sched/core.c:9234)
[   82.781536][ T1963]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   82.781540][ T1963]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   82.781544][ T1963]  __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))
[   82.781546][ T1963]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.781553][ T1963]  ? 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)
[   82.781556][ T1963]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.781560][ T1963]  put_chars (drivers/char/virtio_console.c:1176)
[   82.781563][ T1963]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   82.781569][ T1963]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   82.781577][ T1963]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   82.781580][ T1963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.781585][ T1963]  console_emit_next_record (kernel/printk/printk.c:3183)
[   82.781589][ T1963]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   82.781591][ T1963]  ? 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))
[   82.781594][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.781597][ T1963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.781601][ T1963]  console_flush_one_record (kernel/printk/printk.c:3268)
[   82.781606][ T1963]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   82.781608][ T1963]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   82.781613][ T1963]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   82.781616][ T1963]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   82.781618][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.781620][ T1963]  ? 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)
[   82.781624][ T1963]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   82.781625][ T1963]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   82.781628][ T1963]  vprintk_emit (kernel/printk/printk.c:2479)
[   82.781632][ T1963]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   82.781634][ T1963]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   82.781640][ T1963]  _printk (kernel/printk/printk.c:2504)
[   82.781643][ T1963]  ? snapshot_read.cold (user.c:?)
[   82.781645][ T1963]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   82.781650][ T1963]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   82.781653][ T1963]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   82.781655][ T1963]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   82.781659][ T1963]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   82.781662][ T1963]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   82.781665][ T1963]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   82.781668][ T1963]  ? netdev_notice (net/core/dev.c:13194)
[   82.781671][ T1963]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   82.781674][ T1963]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   82.781677][ T1963]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   82.781680][ T1963]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   82.781683][ T1963]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   82.781685][ T1963]  ? register_netdev (net/core/dev.c:11618)
[   82.781686][ T1963]  ? 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))
[   82.781692][ T1963]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   82.781694][ T1963]  ? __kernel_text_address (kernel/extable.c:79)
[   82.781697][ T1963]  ? write_profile (profile.c:?)
[   82.781701][ T1963]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   82.781707][ T1963]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   82.781711][ T1963]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   82.781713][ T1963]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   82.781714][ T1963]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   82.781716][ T1963]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   82.781720][ T1963]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   82.781722][ T1963]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   82.781724][ T1963]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   82.781726][ T1963]  ? kasan_save_stack (mm/kasan/common.c:58)
[   82.781728][ T1963]  ? kasan_save_stack (mm/kasan/common.c:57)
[   82.781729][ T1963]  ? kasan_save_track (mm/kasan/common.c:78)
[   82.781731][ T1963]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   82.781733][ T1963]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   82.781735][ T1963]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   82.781738][ T1963]  ? ___sys_sendmsg (net/socket.c:2758)
[   82.781742][ T1963]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   82.781744][ T1963]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   82.781747][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.781749][ T1963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.781751][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.781752][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.781754][ T1963]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   82.781756][ T1963]  ? __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)
[   82.781757][ T1963]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   82.781759][ T1963]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   82.781763][ T1963]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   82.781764][ T1963]  ? nla_get_range_signed (lib/nlattr.c:270)
[   82.781769][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.781771][ T1963]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   82.781777][ T1963]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   82.781782][ T1963]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   82.781784][ T1963]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   82.781789][ T1963]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   82.781791][ T1963]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   82.781793][ T1963]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   82.781795][ T1963]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   82.781799][ T1963]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   82.781801][ T1963]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   82.781804][ T1963]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.781805][ T1963]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   82.781810][ T1963]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   82.781812][ T1963]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   82.781816][ T1963]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   82.781819][ T1963]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.781822][ T1963]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.781828][ T1963]  ? 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))
[   82.781831][ T1963]  ? 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))
[   82.781835][ T1963]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.781839][ T1963]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.781842][ T1963]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   82.781847][ T1963]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   82.781851][ T1963]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   82.781855][ T1963]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   82.781856][ T1963]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   82.781862][ T1963]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   82.781865][ T1963]  ____sys_sendmsg (net/socket.c:2713)
[   82.781867][ T1963]  ? copy_msghdr_from_user (net/socket.c:2650)
[   82.781869][ T1963]  ? sock_write_iter (net/socket.c:1269)
[   82.781871][ T1963]  ? move_addr_to_kernel (net/socket.c:258)
[   82.781878][ T1963]  ___sys_sendmsg (net/socket.c:2767)
[   82.781881][ T1963]  ? copy_msghdr_from_user (net/socket.c:2619)
[   82.781898][ T1963]  __sys_sendmsg (net/socket.c:2799)
[   82.781901][ T1963]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   82.781907][ T1963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.781910][ T1963]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   82.781913][ T1963]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   82.781916][ T1963]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.781918][ T1963] RIP: 0033:0x7fb276ccb54e
[   82.781922][ T1963] 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
[   82.781924][ T1963] RSP: 002b:00007ffff9e7cd40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.781927][ T1963] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb276ccb54e
[   82.781928][ T1963] RDX: 0000000000000000 RSI: 00007ffff9e7cdf0 RDI: 0000000000000005
[   82.781929][ T1963] RBP: 00007ffff9e7cd50 R08: 0000000000000000 R09: 0000000000000000
[   82.781930][ T1963] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91504c
[   82.781931][ T1963] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff9e7d4b0
| [   84.930465][ T2029] softirqs last disabled at (17304): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   84.930467][ T2029] Preemption disabled at:
| [   84.930467][ T2029] vprintk_emit (kernel/printk/printk.c:2471)
| [   84.930476][ T2029] Tainted: [W]=WARN
[   84.930477][ T2029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.930478][ T2029] Call Trace:
[   84.930480][ T2029]  <TASK>
[   84.930482][ T2029]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   84.930488][ T2029]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   84.930490][ T2029]  __might_resched.cold (kernel/sched/core.c:9234)
[   84.930495][ T2029]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   84.930499][ T2029]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   84.930504][ T2029]  __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))
[   84.930506][ T2029]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.930513][ T2029]  ? 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)
[   84.930516][ T2029]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.930520][ T2029]  put_chars (drivers/char/virtio_console.c:1176)
[   84.930522][ T2029]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   84.930524][ T2029]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   84.930527][ T2029]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.930530][ T2029]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   84.930535][ T2029]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   84.930540][ T2029]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.930545][ T2029]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   84.930548][ T2029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.930553][ T2029]  console_emit_next_record (kernel/printk/printk.c:3183)
[   84.930557][ T2029]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   84.930559][ T2029]  ? 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))
[   84.930563][ T2029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.930564][ T2029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.930569][ T2029]  console_flush_one_record (kernel/printk/printk.c:3268)
[   84.930573][ T2029]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   84.930575][ T2029]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.930580][ T2029]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   84.930583][ T2029]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   84.930585][ T2029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.930587][ T2029]  ? 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)
[   84.930591][ T2029]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   84.930593][ T2029]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   84.930596][ T2029]  vprintk_emit (kernel/printk/printk.c:2479)
[   84.930599][ T2029]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   84.930601][ T2029]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.930604][ T2029]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   84.930608][ T2029]  _printk (kernel/printk/printk.c:2504)
[   84.930612][ T2029]  ? snapshot_read.cold (user.c:?)
[   84.930616][ T2029]  ? br_multicast_flood (??:?)
[   84.930619][ T2029]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   84.930620][ T2029]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   84.930621][ T2029]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   84.930626][ T2029]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   84.930630][ T2029]  br_init_port (net/bridge/br_stp_if.c:39)
[   84.930633][ T2029]  new_nbp (net/bridge/br_if.c:449)
[   84.930637][ T2029]  br_add_if (net/bridge/br_if.c:592)
[   84.930639][ T2029]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   84.930647][ T2029]  do_set_master (net/core/rtnetlink.c:3071)
[   84.930651][ T2029]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   84.930655][ T2029]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   84.930657][ T2029]  ? __dev_get_by_name (net/core/dev.c:905)
[   84.930659][ T2029]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   84.930669][ T2029]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   84.930676][ T2029]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   84.930681][ T2029]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.930683][ T2029]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.930690][ T2029]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.930694][ T2029]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.930696][ T2029]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   84.930699][ T2029]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.930701][ T2029]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   84.930705][ T2029]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   84.930708][ T2029]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.930712][ T2029]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   84.930715][ T2029]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.930718][ T2029]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.930725][ T2029]  ? 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))
[   84.930727][ T2029]  ? 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))
[   84.930732][ T2029]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.930736][ T2029]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.930742][ T2029]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   84.930746][ T2029]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   84.930750][ T2029]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   84.930752][ T2029]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   84.930758][ T2029]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   84.930761][ T2029]  ____sys_sendmsg (net/socket.c:2713)
[   84.930764][ T2029]  ? copy_msghdr_from_user (net/socket.c:2650)
[   84.930766][ T2029]  ? sock_write_iter (net/socket.c:1269)
[   84.930768][ T2029]  ? move_addr_to_kernel (net/socket.c:258)
[   84.930773][ T2029]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   84.930776][ T2029]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   84.930780][ T2029]  ___sys_sendmsg (net/socket.c:2767)
[   84.930781][ T2029]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   84.930784][ T2029]  ? copy_msghdr_from_user (net/socket.c:2619)
[   84.930787][ T2029]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   84.930802][ T2029]  __sys_sendmsg (net/socket.c:2799)
[   84.930805][ T2029]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   84.930811][ T2029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.930813][ T2029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.930816][ T2029]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   84.930819][ T2029]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   84.930822][ T2029]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.930824][ T2029] RIP: 0033:0x7f00979e954e
[   84.930829][ T2029] 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
[   84.930831][ T2029] RSP: 002b:00007ffd56b1b500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   84.930833][ T2029] RAX: ffffffffffffffda RBX: 00007ffd56b1bcc8 RCX: 00007f00979e954e
[   84.930835][ T2029] RDX: 0000000000000000 RSI: 00007ffd56b1b5b0 RDI: 0000000000000005
[   84.930836][ T2029] RBP: 00007ffd56b1b510 R08: 0000000000000000 R09: 0000000000000000
[   84.930837][ T2029] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91504e
[   84.930838][ T2029] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd56b1bc80
| [   92.378222][   T12] softirqs last disabled at (1400960): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [   92.378225][   T12] Preemption disabled at:
| [   92.378225][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   92.378234][   T12] Tainted: [W]=WARN
[   92.378235][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.378237][   T12] Workqueue: netns cleanup_net
[   92.378240][   T12] Call Trace:
[   92.378242][   T12]  <TASK>
[   92.378244][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   92.378251][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   92.378253][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   92.378257][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   92.378261][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   92.378266][   T12]  __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))
[   92.378268][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.378275][   T12]  ? 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)
[   92.378278][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   92.378282][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   92.378284][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   92.378286][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   92.378289][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.378292][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   92.378298][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   92.378301][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.378307][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   92.378311][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.378316][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   92.378320][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   92.378322][   T12]  ? 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))
[   92.378326][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.378328][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.378332][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   92.378337][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   92.378339][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   92.378344][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   92.378348][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   92.378350][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.378351][   T12]  ? 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)
[   92.378356][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   92.378357][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   92.378360][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   92.378364][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   92.378365][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[   92.378367][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   92.378369][   T12]  ? kthread (kernel/kthread.c:436)
[   92.378371][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   92.378374][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   92.378379][   T12]  _printk (kernel/printk/printk.c:2504)
[   92.378392][   T12]  ? snapshot_read.cold (user.c:?)
[   92.378396][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   92.378404][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   92.378408][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   92.378411][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   92.378416][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.378418][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   92.378420][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   92.378422][   T12]  ? 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)
[   92.378425][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   92.378429][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   92.378433][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[   92.378440][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[   92.378444][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[   92.378447][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   92.378451][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   92.378455][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   92.378457][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   92.378460][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   92.378465][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   92.378468][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   92.378472][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   92.378474][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   92.378478][   T12]  process_one_work (kernel/workqueue.c:3387)
[   92.378485][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   92.378488][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   92.378496][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   92.378504][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   92.378507][   T12]  kthread (kernel/kthread.c:436)
[   92.378509][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.378512][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   92.378515][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   92.378518][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   92.378522][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   92.378525][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   92.378529][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   93.792970][ T2177] softirqs last disabled at (24528): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   93.792974][ T2177] Preemption disabled at:
| [   93.792975][ T2177] vprintk_emit (kernel/printk/printk.c:2471)
| [   93.792986][ T2177] Tainted: [W]=WARN
[   93.792988][ T2177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.792990][ T2177] Call Trace:
[   93.792993][ T2177]  <TASK>
[   93.792995][ T2177]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.793003][ T2177]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   93.793006][ T2177]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.793012][ T2177]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.793019][ T2177]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   93.793026][ T2177]  __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))
[   93.793029][ T2177]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.793039][ T2177]  ? 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)
[   93.793043][ T2177]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.793049][ T2177]  put_chars (drivers/char/virtio_console.c:1176)
[   93.793054][ T2177]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.793066][ T2177]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.793079][ T2177]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.793085][ T2177]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.793093][ T2177]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.793100][ T2177]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.793103][ T2177]  ? 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))
[   93.793109][ T2177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.793113][ T2177]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.793121][ T2177]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.793128][ T2177]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.793132][ T2177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.793142][ T2177]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.793147][ T2177]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.793150][ T2177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.793153][ T2177]  ? 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)
[   93.793160][ T2177]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.793163][ T2177]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.793169][ T2177]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.793175][ T2177]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.793180][ T2177]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   93.793189][ T2177]  _printk (kernel/printk/printk.c:2504)
[   93.793195][ T2177]  ? snapshot_read.cold (user.c:?)
[   93.793197][ T2177]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   93.793202][ T2177]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.793207][ T2177]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   93.793211][ T2177]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   93.793216][ T2177]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   93.793221][ T2177]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   93.793225][ T2177]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   93.793229][ T2177]  ? netdev_notice (net/core/dev.c:13194)
[   93.793234][ T2177]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   93.793240][ T2177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   93.793245][ T2177]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   93.793251][ T2177]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   93.793255][ T2177]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   93.793259][ T2177]  ? register_netdev (net/core/dev.c:11618)
[   93.793262][ T2177]  ? 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))
[   93.793271][ T2177]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   93.793275][ T2177]  ? __kernel_text_address (kernel/extable.c:79)
[   93.793279][ T2177]  ? write_profile (profile.c:?)
[   93.793285][ T2177]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   93.793295][ T2177]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   93.793302][ T2177]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   93.793305][ T2177]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   93.793307][ T2177]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   93.793311][ T2177]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.793316][ T2177]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   93.793320][ T2177]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.793323][ T2177]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   93.793327][ T2177]  ? kasan_save_stack (mm/kasan/common.c:58)
[   93.793330][ T2177]  ? kasan_save_stack (mm/kasan/common.c:57)
[   93.793332][ T2177]  ? kasan_save_track (mm/kasan/common.c:78)
[   93.793335][ T2177]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   93.793339][ T2177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.793343][ T2177]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   93.793347][ T2177]  ? ___sys_sendmsg (net/socket.c:2758)
[   93.793354][ T2177]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   93.793358][ T2177]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   93.793363][ T2177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.793366][ T2177]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.793369][ T2177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.793371][ T2177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.793374][ T2177]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   93.793378][ T2177]  ? __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)
[   93.793380][ T2177]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   93.793384][ T2177]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   93.793396][ T2177]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   93.793398][ T2177]  ? nla_get_range_signed (lib/nlattr.c:270)
[   93.793409][ T2177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.793414][ T2177]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   93.793424][ T2177]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   93.793435][ T2177]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.793439][ T2177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.793447][ T2177]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   93.793451][ T2177]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   93.793454][ T2177]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.793458][ T2177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   93.793465][ T2177]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   93.793469][ T2177]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   93.793475][ T2177]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.793477][ T2177]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   93.793486][ T2177]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   93.793489][ T2177]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   93.793496][ T2177]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   93.793500][ T2177]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.793506][ T2177]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.793519][ T2177]  ? 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))
[   93.793522][ T2177]  ? 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))
[   93.793531][ T2177]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.793538][ T2177]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.793542][ T2177]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   93.793551][ T2177]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   93.793558][ T2177]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   93.793565][ T2177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   93.793568][ T2177]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   93.793577][ T2177]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   93.793582][ T2177]  ____sys_sendmsg (net/socket.c:2713)
[   93.793586][ T2177]  ? copy_msghdr_from_user (net/socket.c:2650)
[   93.793590][ T2177]  ? sock_write_iter (net/socket.c:1269)
[   93.793593][ T2177]  ? move_addr_to_kernel (net/socket.c:258)
[   93.793607][ T2177]  ___sys_sendmsg (net/socket.c:2767)
[   93.793613][ T2177]  ? copy_msghdr_from_user (net/socket.c:2619)
[   93.793645][ T2177]  __sys_sendmsg (net/socket.c:2799)
[   93.793650][ T2177]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   93.793662][ T2177]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.793668][ T2177]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.793672][ T2177]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   93.793677][ T2177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.793681][ T2177] RIP: 0033:0x7feb699e254e
[   93.793686][ T2177] 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
[   93.793689][ T2177] RSP: 002b:00007ffe58576a10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.793693][ T2177] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007feb699e254e
[   93.793696][ T2177] RDX: 0000000000000000 RSI: 00007ffe58576ac0 RDI: 0000000000000005
[   93.793697][ T2177] RBP: 00007ffe58576a20 R08: 0000000000000000 R09: 0000000000000000
[   93.793699][ T2177] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915057
[   93.793700][ T2177] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe58577180
| [   94.873156][ T2223] softirqs last disabled at (20540): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   94.873159][ T2223] Preemption disabled at:
| [   94.873160][ T2223] vprintk_emit (kernel/printk/printk.c:2471)
| [   94.873172][ T2223] Tainted: [W]=WARN
[   94.873173][ T2223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.873176][ T2223] Call Trace:
[   94.873178][ T2223]  <TASK>
[   94.873180][ T2223]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   94.873188][ T2223]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   94.873191][ T2223]  __might_resched.cold (kernel/sched/core.c:9234)
[   94.873198][ T2223]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   94.873204][ T2223]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   94.873212][ T2223]  __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))
[   94.873216][ T2223]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.873226][ T2223]  ? 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)
[   94.873230][ T2223]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.873236][ T2223]  put_chars (drivers/char/virtio_console.c:1176)
[   94.873241][ T2223]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   94.873243][ T2223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   94.873249][ T2223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   94.873253][ T2223]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   94.873263][ T2223]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   94.873268][ T2223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.873278][ T2223]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   94.873284][ T2223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.873293][ T2223]  console_emit_next_record (kernel/printk/printk.c:3183)
[   94.873300][ T2223]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   94.873303][ T2223]  ? 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))
[   94.873309][ T2223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.873313][ T2223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.873320][ T2223]  console_flush_one_record (kernel/printk/printk.c:3268)
[   94.873329][ T2223]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   94.873332][ T2223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.873343][ T2223]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   94.873348][ T2223]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   94.873351][ T2223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.873354][ T2223]  ? 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)
[   94.873361][ T2223]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   94.873364][ T2223]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   94.873370][ T2223]  vprintk_emit (kernel/printk/printk.c:2479)
[   94.873376][ T2223]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   94.873380][ T2223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.873385][ T2223]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   94.873392][ T2223]  _printk (kernel/printk/printk.c:2504)
[   94.873404][ T2223]  ? snapshot_read.cold (user.c:?)
[   94.873410][ T2223]  ? br_multicast_flood (??:?)
[   94.873414][ T2223]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   94.873417][ T2223]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   94.873419][ T2223]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   94.873428][ T2223]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   94.873436][ T2223]  br_init_port (net/bridge/br_stp_if.c:39)
[   94.873440][ T2223]  new_nbp (net/bridge/br_if.c:449)
[   94.873447][ T2223]  br_add_if (net/bridge/br_if.c:592)
[   94.873450][ T2223]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   94.873463][ T2223]  do_set_master (net/core/rtnetlink.c:3071)
[   94.873470][ T2223]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   94.873478][ T2223]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   94.873481][ T2223]  ? __dev_get_by_name (net/core/dev.c:905)
[   94.873484][ T2223]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   94.873502][ T2223]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   94.873515][ T2223]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   94.873526][ T2223]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.873530][ T2223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.873543][ T2223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.873550][ T2223]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.873554][ T2223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.873560][ T2223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.873563][ T2223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   94.873572][ T2223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   94.873575][ T2223]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.873583][ T2223]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.873587][ T2223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.873593][ T2223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.873605][ T2223]  ? 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))
[   94.873609][ T2223]  ? 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))
[   94.873618][ T2223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.873625][ T2223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.873636][ T2223]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.873644][ T2223]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   94.873651][ T2223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   94.873654][ T2223]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   94.873663][ T2223]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   94.873670][ T2223]  ____sys_sendmsg (net/socket.c:2713)
[   94.873674][ T2223]  ? copy_msghdr_from_user (net/socket.c:2650)
[   94.873678][ T2223]  ? sock_write_iter (net/socket.c:1269)
[   94.873680][ T2223]  ? move_addr_to_kernel (net/socket.c:258)
[   94.873689][ T2223]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   94.873693][ T2223]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   94.873700][ T2223]  ___sys_sendmsg (net/socket.c:2767)
[   94.873703][ T2223]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   94.873708][ T2223]  ? copy_msghdr_from_user (net/socket.c:2619)
[   94.873712][ T2223]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   94.873743][ T2223]  __sys_sendmsg (net/socket.c:2799)
[   94.873748][ T2223]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   94.873759][ T2223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.873762][ T2223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.873769][ T2223]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.873774][ T2223]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   94.873779][ T2223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.873783][ T2223] RIP: 0033:0x7f4067b7c54e
[   94.873788][ T2223] 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
[   94.873791][ T2223] RSP: 002b:00007ffd3f104290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   94.873795][ T2223] RAX: ffffffffffffffda RBX: 00007ffd3f104a58 RCX: 00007f4067b7c54e
[   94.873797][ T2223] RDX: 0000000000000000 RSI: 00007ffd3f104340 RDI: 0000000000000005
[   94.873799][ T2223] RBP: 00007ffd3f1042a0 R08: 0000000000000000 R09: 0000000000000000
[   94.873801][ T2223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915058
[   94.873803][ T2223] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3f104a10
| [   96.151655][ T2253] softirqs last disabled at (22468): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   96.151658][ T2253] Preemption disabled at:
| [   96.151659][ T2253] vprintk_emit (kernel/printk/printk.c:2471)
| [   96.151671][ T2253] Tainted: [W]=WARN
[   96.151672][ T2253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   96.151675][ T2253] Call Trace:
[   96.151677][ T2253]  <TASK>
[   96.151679][ T2253]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   96.151688][ T2253]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   96.151691][ T2253]  __might_resched.cold (kernel/sched/core.c:9234)
[   96.151697][ T2253]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   96.151704][ T2253]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   96.151711][ T2253]  __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))
[   96.151714][ T2253]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.151725][ T2253]  ? 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)
[   96.151729][ T2253]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   96.151736][ T2253]  put_chars (drivers/char/virtio_console.c:1176)
[   96.151740][ T2253]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   96.151742][ T2253]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   96.151748][ T2253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   96.151752][ T2253]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   96.151762][ T2253]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   96.151767][ T2253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.151777][ T2253]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   96.151782][ T2253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.151791][ T2253]  console_emit_next_record (kernel/printk/printk.c:3183)
[   96.151798][ T2253]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   96.151801][ T2253]  ? 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))
[   96.151807][ T2253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.151811][ T2253]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   96.151818][ T2253]  console_flush_one_record (kernel/printk/printk.c:3268)
[   96.151826][ T2253]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   96.151829][ T2253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.151839][ T2253]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   96.151844][ T2253]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   96.151847][ T2253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.151851][ T2253]  ? 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)
[   96.151858][ T2253]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   96.151861][ T2253]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   96.151866][ T2253]  vprintk_emit (kernel/printk/printk.c:2479)
[   96.151872][ T2253]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   96.151875][ T2253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.151881][ T2253]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   96.151887][ T2253]  _printk (kernel/printk/printk.c:2504)
[   96.151893][ T2253]  ? snapshot_read.cold (user.c:?)
[   96.151899][ T2253]  ? br_multicast_flood (??:?)
[   96.151903][ T2253]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   96.151906][ T2253]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   96.151908][ T2253]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   96.151916][ T2253]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   96.151924][ T2253]  br_init_port (net/bridge/br_stp_if.c:39)
[   96.151928][ T2253]  new_nbp (net/bridge/br_if.c:449)
[   96.151935][ T2253]  br_add_if (net/bridge/br_if.c:592)
[   96.151938][ T2253]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   96.151952][ T2253]  do_set_master (net/core/rtnetlink.c:3071)
[   96.151959][ T2253]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   96.151966][ T2253]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   96.151969][ T2253]  ? __dev_get_by_name (net/core/dev.c:905)
[   96.151972][ T2253]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   96.151989][ T2253]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   96.152002][ T2253]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   96.152013][ T2253]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.152017][ T2253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.152030][ T2253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.152037][ T2253]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   96.152041][ T2253]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   96.152048][ T2253]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.152050][ T2253]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   96.152059][ T2253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   96.152063][ T2253]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.152070][ T2253]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   96.152074][ T2253]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   96.152080][ T2253]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   96.152093][ T2253]  ? 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))
[   96.152096][ T2253]  ? 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))
[   96.152105][ T2253]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   96.152112][ T2253]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   96.152123][ T2253]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   96.152130][ T2253]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   96.152138][ T2253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   96.152140][ T2253]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   96.152150][ T2253]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   96.152156][ T2253]  ____sys_sendmsg (net/socket.c:2713)
[   96.152160][ T2253]  ? copy_msghdr_from_user (net/socket.c:2650)
[   96.152164][ T2253]  ? sock_write_iter (net/socket.c:1269)
[   96.152167][ T2253]  ? move_addr_to_kernel (net/socket.c:258)
[   96.152176][ T2253]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   96.152179][ T2253]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   96.152187][ T2253]  ___sys_sendmsg (net/socket.c:2767)
[   96.152190][ T2253]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   96.152194][ T2253]  ? copy_msghdr_from_user (net/socket.c:2619)
[   96.152199][ T2253]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   96.152230][ T2253]  __sys_sendmsg (net/socket.c:2799)
[   96.152234][ T2253]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   96.152245][ T2253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.152248][ T2253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   96.152254][ T2253]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   96.152260][ T2253]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   96.152265][ T2253]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   96.152268][ T2253] RIP: 0033:0x7fdced65354e
[   96.152274][ T2253] 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
[   96.152277][ T2253] RSP: 002b:00007ffc4bbdb690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   96.152281][ T2253] RAX: ffffffffffffffda RBX: 00007ffc4bbdbe58 RCX: 00007fdced65354e
[   96.152284][ T2253] RDX: 0000000000000000 RSI: 00007ffc4bbdb740 RDI: 0000000000000005
[   96.152286][ T2253] RBP: 00007ffc4bbdb6a0 R08: 0000000000000000 R09: 0000000000000000
[   96.152287][ T2253] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915059
[   96.152289][ T2253] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4bbdbe10
| [   97.448931][ T2290] softirqs last disabled at (21636): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [   97.448933][ T2290] Preemption disabled at:
| [   97.448934][ T2290] vprintk_emit (kernel/printk/printk.c:2471)
| [   97.448943][ T2290] Tainted: [W]=WARN
[   97.448944][ T2290] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.448945][ T2290] Call Trace:
[   97.448947][ T2290]  <TASK>
[   97.448949][ T2290]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   97.448955][ T2290]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   97.448956][ T2290]  __might_resched.cold (kernel/sched/core.c:9234)
[   97.448961][ T2290]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   97.448965][ T2290]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   97.448970][ T2290]  __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))
[   97.448972][ T2290]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.448978][ T2290]  ? 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)
[   97.448981][ T2290]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   97.448985][ T2290]  put_chars (drivers/char/virtio_console.c:1176)
[   97.448988][ T2290]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   97.448994][ T2290]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   97.449002][ T2290]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   97.449005][ T2290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.449010][ T2290]  console_emit_next_record (kernel/printk/printk.c:3183)
[   97.449014][ T2290]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   97.449016][ T2290]  ? 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))
[   97.449019][ T2290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.449022][ T2290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.449026][ T2290]  console_flush_one_record (kernel/printk/printk.c:3268)
[   97.449031][ T2290]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   97.449033][ T2290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.449038][ T2290]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   97.449041][ T2290]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   97.449043][ T2290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.449045][ T2290]  ? 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)
[   97.449049][ T2290]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   97.449051][ T2290]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   97.449054][ T2290]  vprintk_emit (kernel/printk/printk.c:2479)
[   97.449057][ T2290]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   97.449060][ T2290]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   97.449065][ T2290]  _printk (kernel/printk/printk.c:2504)
[   97.449069][ T2290]  ? snapshot_read.cold (user.c:?)
[   97.449071][ T2290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   97.449073][ T2290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   97.449076][ T2290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   97.449079][ T2290]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   97.449083][ T2290]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   97.449086][ T2290]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   97.449088][ T2290]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   97.449091][ T2290]  ? netdev_notice (net/core/dev.c:13194)
[   97.449094][ T2290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.449097][ T2290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.449100][ T2290]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   97.449103][ T2290]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   97.449105][ T2290]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[   97.449108][ T2290]  ? register_netdev (net/core/dev.c:11618)
[   97.449109][ T2290]  ? 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))
[   97.449115][ T2290]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[   97.449117][ T2290]  ? __kernel_text_address (kernel/extable.c:79)
[   97.449120][ T2290]  ? write_profile (profile.c:?)
[   97.449124][ T2290]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   97.449130][ T2290]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[   97.449133][ T2290]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   97.449136][ T2290]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   97.449137][ T2290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   97.449139][ T2290]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   97.449142][ T2290]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   97.449144][ T2290]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   97.449146][ T2290]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   97.449149][ T2290]  ? kasan_save_stack (mm/kasan/common.c:58)
[   97.449151][ T2290]  ? kasan_save_stack (mm/kasan/common.c:57)
[   97.449152][ T2290]  ? kasan_save_track (mm/kasan/common.c:78)
[   97.449153][ T2290]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   97.449156][ T2290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.449158][ T2290]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   97.449161][ T2290]  ? ___sys_sendmsg (net/socket.c:2758)
[   97.449165][ T2290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.449167][ T2290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   97.449170][ T2290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.449171][ T2290]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   97.449173][ T2290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.449174][ T2290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.449176][ T2290]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   97.449178][ T2290]  ? __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)
[   97.449180][ T2290]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   97.449181][ T2290]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   97.449185][ T2290]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   97.449186][ T2290]  ? nla_get_range_signed (lib/nlattr.c:270)
[   97.449191][ T2290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.449194][ T2290]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   97.449199][ T2290]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   97.449204][ T2290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.449206][ T2290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.449211][ T2290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.449213][ T2290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.449215][ T2290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.449217][ T2290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.449221][ T2290]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   97.449223][ T2290]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   97.449226][ T2290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.449228][ T2290]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   97.449232][ T2290]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   97.449234][ T2290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.449238][ T2290]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   97.449241][ T2290]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   97.449244][ T2290]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   97.449251][ T2290]  ? 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))
[   97.449253][ T2290]  ? 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))
[   97.449257][ T2290]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   97.449261][ T2290]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   97.449264][ T2290]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   97.449269][ T2290]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   97.449273][ T2290]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   97.449277][ T2290]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   97.449279][ T2290]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   97.449284][ T2290]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   97.449287][ T2290]  ____sys_sendmsg (net/socket.c:2713)
[   97.449289][ T2290]  ? copy_msghdr_from_user (net/socket.c:2650)
[   97.449292][ T2290]  ? sock_write_iter (net/socket.c:1269)
[   97.449294][ T2290]  ? move_addr_to_kernel (net/socket.c:258)
[   97.449301][ T2290]  ___sys_sendmsg (net/socket.c:2767)
[   97.449304][ T2290]  ? copy_msghdr_from_user (net/socket.c:2619)
[   97.449320][ T2290]  __sys_sendmsg (net/socket.c:2799)
[   97.449323][ T2290]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   97.449330][ T2290]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   97.449333][ T2290]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   97.449336][ T2290]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   97.449339][ T2290]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   97.449341][ T2290] RIP: 0033:0x7f1d4bee554e
[   97.449345][ T2290] 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
[   97.449347][ T2290] RSP: 002b:00007fff61407300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   97.449350][ T2290] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1d4bee554e
[   97.449352][ T2290] RDX: 0000000000000000 RSI: 00007fff614073b0 RDI: 0000000000000005
[   97.449353][ T2290] RBP: 00007fff61407310 R08: 0000000000000000 R09: 0000000000000000
[   97.449354][ T2290] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91505a
[   97.449355][ T2290] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff61407a70
| [   99.490498][ T2365] softirqs last disabled at (19456): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   99.490500][ T2365] Preemption disabled at:
| [   99.490501][ T2365] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.490510][ T2365] Tainted: [W]=WARN
[   99.490511][ T2365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.490513][ T2365] Call Trace:
[   99.490514][ T2365]  <TASK>
[   99.490516][ T2365]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.490522][ T2365]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.490524][ T2365]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.490529][ T2365]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.490533][ T2365]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   99.490538][ T2365]  __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))
[   99.490540][ T2365]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.490547][ T2365]  ? 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)
[   99.490550][ T2365]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.490554][ T2365]  put_chars (drivers/char/virtio_console.c:1176)
[   99.490557][ T2365]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.490558][ T2365]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   99.490562][ T2365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.490565][ T2365]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   99.490570][ T2365]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.490574][ T2365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.490580][ T2365]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.490583][ T2365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.490588][ T2365]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.490592][ T2365]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.490594][ T2365]  ? 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))
[   99.490598][ T2365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.490600][ T2365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.490604][ T2365]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.490608][ T2365]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.490611][ T2365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.490616][ T2365]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.490619][ T2365]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.490621][ T2365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.490623][ T2365]  ? 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)
[   99.490627][ T2365]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.490629][ T2365]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.490632][ T2365]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.490635][ T2365]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.490637][ T2365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.490640][ T2365]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   99.490644][ T2365]  _printk (kernel/printk/printk.c:2504)
[   99.490648][ T2365]  ? snapshot_read.cold (user.c:?)
[   99.490652][ T2365]  ? br_multicast_flood (??:?)
[   99.490655][ T2365]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   99.490656][ T2365]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   99.490658][ T2365]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.490662][ T2365]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   99.490667][ T2365]  br_init_port (net/bridge/br_stp_if.c:39)
[   99.490670][ T2365]  new_nbp (net/bridge/br_if.c:449)
[   99.490674][ T2365]  br_add_if (net/bridge/br_if.c:592)
[   99.490676][ T2365]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   99.490684][ T2365]  do_set_master (net/core/rtnetlink.c:3071)
[   99.490688][ T2365]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   99.490692][ T2365]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   99.490694][ T2365]  ? __dev_get_by_name (net/core/dev.c:905)
[   99.490696][ T2365]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   99.490706][ T2365]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   99.490713][ T2365]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.490719][ T2365]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.490721][ T2365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.490728][ T2365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.490732][ T2365]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.490734][ T2365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.490737][ T2365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.490739][ T2365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   99.490744][ T2365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   99.490746][ T2365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.490750][ T2365]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.490753][ T2365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.490756][ T2365]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.490763][ T2365]  ? 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))
[   99.490765][ T2365]  ? 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))
[   99.490770][ T2365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.490774][ T2365]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.490780][ T2365]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.490784][ T2365]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.490788][ T2365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   99.490790][ T2365]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   99.490796][ T2365]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   99.490800][ T2365]  ____sys_sendmsg (net/socket.c:2713)
[   99.490802][ T2365]  ? copy_msghdr_from_user (net/socket.c:2650)
[   99.490805][ T2365]  ? sock_write_iter (net/socket.c:1269)
[   99.490806][ T2365]  ? move_addr_to_kernel (net/socket.c:258)
[   99.490811][ T2365]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   99.490814][ T2365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   99.490818][ T2365]  ___sys_sendmsg (net/socket.c:2767)
[   99.490820][ T2365]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   99.490823][ T2365]  ? copy_msghdr_from_user (net/socket.c:2619)
[   99.490826][ T2365]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   99.490842][ T2365]  __sys_sendmsg (net/socket.c:2799)
[   99.490845][ T2365]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   99.490851][ T2365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.490853][ T2365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.490856][ T2365]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.490860][ T2365]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.490863][ T2365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.490865][ T2365] RIP: 0033:0x7fa344fcd54e
[   99.490870][ T2365] 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
[   99.490872][ T2365] RSP: 002b:00007ffdb88bcd00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.490874][ T2365] RAX: ffffffffffffffda RBX: 00007ffdb88bd4c8 RCX: 00007fa344fcd54e
[   99.490876][ T2365] RDX: 0000000000000000 RSI: 00007ffdb88bcdb0 RDI: 0000000000000005
[   99.490877][ T2365] RBP: 00007ffdb88bcd10 R08: 0000000000000000 R09: 0000000000000000
[   99.490878][ T2365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91505c
[   99.490879][ T2365] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb88bd480
| [  106.848593][   T12] softirqs last disabled at (1640250): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  106.848597][   T12] Preemption disabled at:
| [  106.848598][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  106.848609][   T12] Tainted: [W]=WARN
[  106.848611][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.848613][   T12] Workqueue: netns cleanup_net
[  106.848617][   T12] Call Trace:
[  106.848620][   T12]  <TASK>
[  106.848623][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  106.848631][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  106.848634][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  106.848641][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  106.848647][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  106.848654][   T12]  __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))
[  106.848658][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  106.848669][   T12]  ? 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)
[  106.848673][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  106.848679][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  106.848684][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  106.848686][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  106.848692][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  106.848696][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  106.848706][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  106.848711][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  106.848721][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  106.848727][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.848736][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  106.848744][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  106.848746][   T12]  ? 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))
[  106.848752][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.848756][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.848764][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  106.848772][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  106.848775][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  106.848786][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  106.848791][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  106.848794][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.848797][   T12]  ? 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)
[  106.848804][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  106.848808][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  106.848813][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  106.848819][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  106.848822][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  106.848825][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  106.848828][   T12]  ? kthread (kernel/kthread.c:436)
[  106.848831][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  106.848835][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  106.848844][   T12]  _printk (kernel/printk/printk.c:2504)
[  106.848849][   T12]  ? snapshot_read.cold (user.c:?)
[  106.848858][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  106.848863][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  106.848871][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  106.848875][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  106.848884][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.848887][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  106.848892][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  106.848896][   T12]  ? 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)
[  106.848901][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  106.848909][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  106.848915][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  106.848926][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  106.848933][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  106.848939][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  106.848946][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  106.848951][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.848954][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  106.848959][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  106.848968][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  106.848974][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.848981][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  106.848984][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  106.848991][   T12]  process_one_work (kernel/workqueue.c:3387)
[  106.849004][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  106.849009][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  106.849025][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  106.849039][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  106.849043][   T12]  kthread (kernel/kthread.c:436)
[  106.849046][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.849051][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  106.849056][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.849062][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  106.849068][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.849073][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  106.849078][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  108.243500][ T2513] softirqs last disabled at (20268): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  108.243503][ T2513] Preemption disabled at:
| [  108.243504][ T2513] vprintk_emit (kernel/printk/printk.c:2471)
| [  108.243513][ T2513] Tainted: [W]=WARN
[  108.243514][ T2513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  108.243516][ T2513] Call Trace:
[  108.243518][ T2513]  <TASK>
[  108.243519][ T2513]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  108.243525][ T2513]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  108.243527][ T2513]  __might_resched.cold (kernel/sched/core.c:9234)
[  108.243532][ T2513]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  108.243536][ T2513]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  108.243541][ T2513]  __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))
[  108.243543][ T2513]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.243550][ T2513]  ? 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)
[  108.243552][ T2513]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  108.243556][ T2513]  put_chars (drivers/char/virtio_console.c:1176)
[  108.243558][ T2513]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  108.243565][ T2513]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  108.243573][ T2513]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  108.243576][ T2513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.243581][ T2513]  console_emit_next_record (kernel/printk/printk.c:3183)
[  108.243585][ T2513]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  108.243587][ T2513]  ? 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))
[  108.243590][ T2513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.243593][ T2513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.243597][ T2513]  console_flush_one_record (kernel/printk/printk.c:3268)
[  108.243601][ T2513]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  108.243603][ T2513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.243609][ T2513]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  108.243612][ T2513]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  108.243614][ T2513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.243616][ T2513]  ? 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)
[  108.243620][ T2513]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  108.243621][ T2513]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  108.243624][ T2513]  vprintk_emit (kernel/printk/printk.c:2479)
[  108.243627][ T2513]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  108.243630][ T2513]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  108.243636][ T2513]  _printk (kernel/printk/printk.c:2504)
[  108.243639][ T2513]  ? snapshot_read.cold (user.c:?)
[  108.243641][ T2513]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  108.243644][ T2513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  108.243647][ T2513]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  108.243649][ T2513]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  108.243653][ T2513]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  108.243656][ T2513]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  108.243658][ T2513]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  108.243661][ T2513]  ? netdev_notice (net/core/dev.c:13194)
[  108.243664][ T2513]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  108.243667][ T2513]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  108.243670][ T2513]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  108.243674][ T2513]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  108.243676][ T2513]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  108.243678][ T2513]  ? register_netdev (net/core/dev.c:11618)
[  108.243679][ T2513]  ? 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))
[  108.243685][ T2513]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  108.243688][ T2513]  ? __kernel_text_address (kernel/extable.c:79)
[  108.243691][ T2513]  ? write_profile (profile.c:?)
[  108.243695][ T2513]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  108.243700][ T2513]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  108.243704][ T2513]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  108.243706][ T2513]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  108.243707][ T2513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  108.243709][ T2513]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  108.243713][ T2513]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  108.243715][ T2513]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  108.243717][ T2513]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  108.243719][ T2513]  ? kasan_save_stack (mm/kasan/common.c:58)
[  108.243721][ T2513]  ? kasan_save_stack (mm/kasan/common.c:57)
[  108.243722][ T2513]  ? kasan_save_track (mm/kasan/common.c:78)
[  108.243724][ T2513]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  108.243726][ T2513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.243728][ T2513]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  108.243731][ T2513]  ? ___sys_sendmsg (net/socket.c:2758)
[  108.243735][ T2513]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  108.243737][ T2513]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  108.243740][ T2513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.243742][ T2513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  108.243743][ T2513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.243745][ T2513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.243746][ T2513]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  108.243749][ T2513]  ? __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)
[  108.243750][ T2513]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  108.243752][ T2513]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  108.243755][ T2513]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  108.243757][ T2513]  ? nla_get_range_signed (lib/nlattr.c:270)
[  108.243762][ T2513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.243764][ T2513]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  108.243769][ T2513]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  108.243775][ T2513]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  108.243777][ T2513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.243782][ T2513]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  108.243784][ T2513]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  108.243786][ T2513]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  108.243787][ T2513]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  108.243792][ T2513]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  108.243794][ T2513]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  108.243797][ T2513]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.243798][ T2513]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  108.243803][ T2513]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  108.243805][ T2513]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  108.243809][ T2513]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  108.243812][ T2513]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  108.243815][ T2513]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  108.243822][ T2513]  ? 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))
[  108.243824][ T2513]  ? 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))
[  108.243828][ T2513]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  108.243832][ T2513]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  108.243835][ T2513]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  108.243840][ T2513]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  108.243844][ T2513]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  108.243848][ T2513]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  108.243849][ T2513]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  108.243855][ T2513]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  108.243858][ T2513]  ____sys_sendmsg (net/socket.c:2713)
[  108.243860][ T2513]  ? copy_msghdr_from_user (net/socket.c:2650)
[  108.243863][ T2513]  ? sock_write_iter (net/socket.c:1269)
[  108.243864][ T2513]  ? move_addr_to_kernel (net/socket.c:258)
[  108.243872][ T2513]  ___sys_sendmsg (net/socket.c:2767)
[  108.243875][ T2513]  ? copy_msghdr_from_user (net/socket.c:2619)
[  108.243891][ T2513]  __sys_sendmsg (net/socket.c:2799)
[  108.243894][ T2513]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  108.243900][ T2513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  108.243903][ T2513]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  108.243906][ T2513]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  108.243909][ T2513]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  108.243912][ T2513] RIP: 0033:0x7fed9250f54e
[  108.243916][ T2513] 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
[  108.243918][ T2513] RSP: 002b:00007ffe404354e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  108.243921][ T2513] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fed9250f54e
[  108.243922][ T2513] RDX: 0000000000000000 RSI: 00007ffe40435590 RDI: 0000000000000005
[  108.243923][ T2513] RBP: 00007ffe404354f0 R08: 0000000000000000 R09: 0000000000000000
[  108.243924][ T2513] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915065
[  108.243925][ T2513] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe40435c50
| [  110.322375][ T2588] softirqs last disabled at (24390): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  110.322377][ T2588] Preemption disabled at:
| [  110.322378][ T2588] vprintk_emit (kernel/printk/printk.c:2471)
| [  110.322387][ T2588] Tainted: [W]=WARN
[  110.322388][ T2588] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  110.322390][ T2588] Call Trace:
[  110.322391][ T2588]  <TASK>
[  110.322393][ T2588]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  110.322399][ T2588]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  110.322403][ T2588]  __might_resched.cold (kernel/sched/core.c:9234)
[  110.322408][ T2588]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  110.322412][ T2588]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  110.322416][ T2588]  __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))
[  110.322418][ T2588]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.322425][ T2588]  ? 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)
[  110.322428][ T2588]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  110.322432][ T2588]  put_chars (drivers/char/virtio_console.c:1176)
[  110.322435][ T2588]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  110.322436][ T2588]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  110.322440][ T2588]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  110.322443][ T2588]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  110.322448][ T2588]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  110.322452][ T2588]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.322458][ T2588]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  110.322461][ T2588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.322466][ T2588]  console_emit_next_record (kernel/printk/printk.c:3183)
[  110.322470][ T2588]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  110.322472][ T2588]  ? 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))
[  110.322476][ T2588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.322478][ T2588]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  110.322488][ T2588]  console_flush_one_record (kernel/printk/printk.c:3268)
[  110.322493][ T2588]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  110.322495][ T2588]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.322500][ T2588]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  110.322503][ T2588]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  110.322506][ T2588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.322507][ T2588]  ? 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)
[  110.322511][ T2588]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  110.322513][ T2588]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  110.322516][ T2588]  vprintk_emit (kernel/printk/printk.c:2479)
[  110.322519][ T2588]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  110.322521][ T2588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  110.322524][ T2588]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  110.322528][ T2588]  _printk (kernel/printk/printk.c:2504)
[  110.322532][ T2588]  ? snapshot_read.cold (user.c:?)
[  110.322535][ T2588]  ? br_multicast_flood (??:?)
[  110.322538][ T2588]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  110.322540][ T2588]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  110.322541][ T2588]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  110.322546][ T2588]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  110.322550][ T2588]  br_init_port (net/bridge/br_stp_if.c:39)
[  110.322553][ T2588]  new_nbp (net/bridge/br_if.c:449)
[  110.322557][ T2588]  br_add_if (net/bridge/br_if.c:592)
[  110.322559][ T2588]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  110.322567][ T2588]  do_set_master (net/core/rtnetlink.c:3071)
[  110.322571][ T2588]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  110.322574][ T2588]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  110.322576][ T2588]  ? __dev_get_by_name (net/core/dev.c:905)
[  110.322578][ T2588]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  110.322588][ T2588]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  110.322595][ T2588]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  110.322601][ T2588]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  110.322603][ T2588]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.322610][ T2588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  110.322614][ T2588]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  110.322616][ T2588]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  110.322619][ T2588]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  110.322621][ T2588]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  110.322625][ T2588]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  110.322627][ T2588]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  110.322631][ T2588]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  110.322635][ T2588]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  110.322638][ T2588]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  110.322644][ T2588]  ? 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))
[  110.322647][ T2588]  ? 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))
[  110.322652][ T2588]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  110.322656][ T2588]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  110.322662][ T2588]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  110.322666][ T2588]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  110.322670][ T2588]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  110.322672][ T2588]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  110.322677][ T2588]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  110.322682][ T2588]  ____sys_sendmsg (net/socket.c:2713)
[  110.322684][ T2588]  ? copy_msghdr_from_user (net/socket.c:2650)
[  110.322686][ T2588]  ? sock_write_iter (net/socket.c:1269)
[  110.322688][ T2588]  ? move_addr_to_kernel (net/socket.c:258)
[  110.322693][ T2588]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  110.322695][ T2588]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  110.322699][ T2588]  ___sys_sendmsg (net/socket.c:2767)
[  110.322701][ T2588]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  110.322704][ T2588]  ? copy_msghdr_from_user (net/socket.c:2619)
[  110.322707][ T2588]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  110.322722][ T2588]  __sys_sendmsg (net/socket.c:2799)
[  110.322725][ T2588]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  110.322731][ T2588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.322733][ T2588]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  110.322736][ T2588]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  110.322740][ T2588]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  110.322743][ T2588]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  110.322745][ T2588] RIP: 0033:0x7f8c960c454e
[  110.322749][ T2588] 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
[  110.322751][ T2588] RSP: 002b:00007fffbdc670d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  110.322754][ T2588] RAX: ffffffffffffffda RBX: 00007fffbdc67898 RCX: 00007f8c960c454e
[  110.322756][ T2588] RDX: 0000000000000000 RSI: 00007fffbdc67180 RDI: 0000000000000005
[  110.322757][ T2588] RBP: 00007fffbdc670e0 R08: 0000000000000000 R09: 0000000000000000
[  110.322758][ T2588] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915067
[  110.322759][ T2588] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbdc67850
| [  111.647066][ T2625] softirqs last disabled at (22032): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  111.647070][ T2625] Preemption disabled at:
| [  111.647071][ T2625] vprintk_emit (kernel/printk/printk.c:2471)
| [  111.647083][ T2625] Tainted: [W]=WARN
[  111.647084][ T2625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.647087][ T2625] Call Trace:
[  111.647089][ T2625]  <TASK>
[  111.647091][ T2625]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  111.647099][ T2625]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  111.647102][ T2625]  __might_resched.cold (kernel/sched/core.c:9234)
[  111.647109][ T2625]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  111.647115][ T2625]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  111.647122][ T2625]  __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))
[  111.647125][ T2625]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.647136][ T2625]  ? 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)
[  111.647140][ T2625]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.647146][ T2625]  put_chars (drivers/char/virtio_console.c:1176)
[  111.647150][ T2625]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  111.647162][ T2625]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  111.647175][ T2625]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  111.647181][ T2625]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.647189][ T2625]  console_emit_next_record (kernel/printk/printk.c:3183)
[  111.647196][ T2625]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  111.647199][ T2625]  ? 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))
[  111.647204][ T2625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.647208][ T2625]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.647216][ T2625]  console_flush_one_record (kernel/printk/printk.c:3268)
[  111.647223][ T2625]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  111.647226][ T2625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.647237][ T2625]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  111.647242][ T2625]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  111.647245][ T2625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.647248][ T2625]  ? 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)
[  111.647255][ T2625]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  111.647258][ T2625]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  111.647263][ T2625]  vprintk_emit (kernel/printk/printk.c:2479)
[  111.647269][ T2625]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  111.647274][ T2625]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  111.647283][ T2625]  _printk (kernel/printk/printk.c:2504)
[  111.647289][ T2625]  ? snapshot_read.cold (user.c:?)
[  111.647292][ T2625]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  111.647297][ T2625]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  111.647301][ T2625]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  111.647305][ T2625]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  111.647310][ T2625]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  111.647315][ T2625]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  111.647319][ T2625]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  111.647324][ T2625]  ? netdev_notice (net/core/dev.c:13194)
[  111.647329][ T2625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  111.647334][ T2625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.647339][ T2625]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  111.647345][ T2625]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  111.647349][ T2625]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  111.647352][ T2625]  ? register_netdev (net/core/dev.c:11618)
[  111.647355][ T2625]  ? 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))
[  111.647364][ T2625]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  111.647368][ T2625]  ? __kernel_text_address (kernel/extable.c:79)
[  111.647372][ T2625]  ? write_profile (profile.c:?)
[  111.647379][ T2625]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  111.647389][ T2625]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  111.647395][ T2625]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  111.647398][ T2625]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  111.647404][ T2625]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  111.647407][ T2625]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  111.647412][ T2625]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  111.647415][ T2625]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  111.647419][ T2625]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  111.647423][ T2625]  ? kasan_save_stack (mm/kasan/common.c:58)
[  111.647426][ T2625]  ? kasan_save_stack (mm/kasan/common.c:57)
[  111.647428][ T2625]  ? kasan_save_track (mm/kasan/common.c:78)
[  111.647430][ T2625]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  111.647435][ T2625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.647438][ T2625]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  111.647443][ T2625]  ? ___sys_sendmsg (net/socket.c:2758)
[  111.647449][ T2625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  111.647453][ T2625]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  111.647458][ T2625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.647461][ T2625]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.647464][ T2625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.647466][ T2625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.647469][ T2625]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  111.647473][ T2625]  ? __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)
[  111.647475][ T2625]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  111.647479][ T2625]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  111.647485][ T2625]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  111.647493][ T2625]  ? nla_get_range_signed (lib/nlattr.c:270)
[  111.647501][ T2625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.647506][ T2625]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  111.647517][ T2625]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  111.647527][ T2625]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  111.647531][ T2625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.647539][ T2625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  111.647542][ T2625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  111.647546][ T2625]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  111.647550][ T2625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.647557][ T2625]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  111.647561][ T2625]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  111.647566][ T2625]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  111.647569][ T2625]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  111.647577][ T2625]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  111.647581][ T2625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  111.647587][ T2625]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  111.647592][ T2625]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  111.647597][ T2625]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  111.647610][ T2625]  ? 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))
[  111.647613][ T2625]  ? 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))
[  111.647622][ T2625]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  111.647629][ T2625]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  111.647633][ T2625]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  111.647641][ T2625]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  111.647648][ T2625]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  111.647655][ T2625]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  111.647658][ T2625]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  111.647667][ T2625]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  111.647672][ T2625]  ____sys_sendmsg (net/socket.c:2713)
[  111.647676][ T2625]  ? copy_msghdr_from_user (net/socket.c:2650)
[  111.647680][ T2625]  ? sock_write_iter (net/socket.c:1269)
[  111.647683][ T2625]  ? move_addr_to_kernel (net/socket.c:258)
[  111.647697][ T2625]  ___sys_sendmsg (net/socket.c:2767)
[  111.647702][ T2625]  ? copy_msghdr_from_user (net/socket.c:2619)
[  111.647734][ T2625]  __sys_sendmsg (net/socket.c:2799)
[  111.647739][ T2625]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  111.647751][ T2625]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.647757][ T2625]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  111.647761][ T2625]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  111.647766][ T2625]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  111.647770][ T2625] RIP: 0033:0x7f9b573f954e
[  111.647775][ T2625] 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
[  111.647778][ T2625] RSP: 002b:00007fff39aab020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  111.647782][ T2625] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9b573f954e
[  111.647784][ T2625] RDX: 0000000000000000 RSI: 00007fff39aab0d0 RDI: 0000000000000005
[  111.647786][ T2625] RBP: 00007fff39aab030 R08: 0000000000000000 R09: 0000000000000000
[  111.647788][ T2625] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915068
[  111.647790][ T2625] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff39aab790
| [  112.703612][ T2661] softirqs last disabled at (24822): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  112.703615][ T2661] Preemption disabled at:
| [  112.703616][ T2661] vprintk_emit (kernel/printk/printk.c:2471)
| [  112.703628][ T2661] Tainted: [W]=WARN
[  112.703629][ T2661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.703632][ T2661] Call Trace:
[  112.703634][ T2661]  <TASK>
[  112.703636][ T2661]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  112.703644][ T2661]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  112.703647][ T2661]  __might_resched.cold (kernel/sched/core.c:9234)
[  112.703654][ T2661]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  112.703660][ T2661]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  112.703667][ T2661]  __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))
[  112.703671][ T2661]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.703681][ T2661]  ? 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)
[  112.703685][ T2661]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.703692][ T2661]  put_chars (drivers/char/virtio_console.c:1176)
[  112.703696][ T2661]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  112.703698][ T2661]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  112.703704][ T2661]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  112.703708][ T2661]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  112.703717][ T2661]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  112.703723][ T2661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.703732][ T2661]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  112.703738][ T2661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.703747][ T2661]  console_emit_next_record (kernel/printk/printk.c:3183)
[  112.703754][ T2661]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  112.703757][ T2661]  ? 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))
[  112.703763][ T2661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.703766][ T2661]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.703774][ T2661]  console_flush_one_record (kernel/printk/printk.c:3268)
[  112.703781][ T2661]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  112.703784][ T2661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.703795][ T2661]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  112.703799][ T2661]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  112.703803][ T2661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.703806][ T2661]  ? 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)
[  112.703813][ T2661]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  112.703816][ T2661]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  112.703821][ T2661]  vprintk_emit (kernel/printk/printk.c:2479)
[  112.703827][ T2661]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  112.703831][ T2661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.703835][ T2661]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  112.703842][ T2661]  _printk (kernel/printk/printk.c:2504)
[  112.703848][ T2661]  ? snapshot_read.cold (user.c:?)
[  112.703854][ T2661]  ? br_multicast_flood (??:?)
[  112.703858][ T2661]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  112.703861][ T2661]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  112.703863][ T2661]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  112.703871][ T2661]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  112.703879][ T2661]  br_init_port (net/bridge/br_stp_if.c:39)
[  112.703884][ T2661]  new_nbp (net/bridge/br_if.c:449)
[  112.703891][ T2661]  br_add_if (net/bridge/br_if.c:592)
[  112.703894][ T2661]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  112.703907][ T2661]  do_set_master (net/core/rtnetlink.c:3071)
[  112.703914][ T2661]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  112.703921][ T2661]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  112.703924][ T2661]  ? __dev_get_by_name (net/core/dev.c:905)
[  112.703927][ T2661]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  112.703945][ T2661]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  112.703959][ T2661]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  112.703969][ T2661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.703973][ T2661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.703985][ T2661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.703993][ T2661]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.703997][ T2661]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  112.704003][ T2661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.704005][ T2661]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  112.704014][ T2661]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  112.704018][ T2661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.704025][ T2661]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  112.704029][ T2661]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.704035][ T2661]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  112.704048][ T2661]  ? 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))
[  112.704051][ T2661]  ? 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))
[  112.704059][ T2661]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  112.704067][ T2661]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  112.704078][ T2661]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  112.704086][ T2661]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  112.704093][ T2661]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  112.704096][ T2661]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  112.704105][ T2661]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  112.704111][ T2661]  ____sys_sendmsg (net/socket.c:2713)
[  112.704115][ T2661]  ? copy_msghdr_from_user (net/socket.c:2650)
[  112.704120][ T2661]  ? sock_write_iter (net/socket.c:1269)
[  112.704122][ T2661]  ? move_addr_to_kernel (net/socket.c:258)
[  112.704131][ T2661]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  112.704135][ T2661]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  112.704142][ T2661]  ___sys_sendmsg (net/socket.c:2767)
[  112.704145][ T2661]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  112.704150][ T2661]  ? copy_msghdr_from_user (net/socket.c:2619)
[  112.704154][ T2661]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  112.704185][ T2661]  __sys_sendmsg (net/socket.c:2799)
[  112.704190][ T2661]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  112.704201][ T2661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.704204][ T2661]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.704210][ T2661]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  112.704215][ T2661]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  112.704220][ T2661]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.704224][ T2661] RIP: 0033:0x7fc36527654e
[  112.704229][ T2661] 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
[  112.704232][ T2661] RSP: 002b:00007ffe415df770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  112.704236][ T2661] RAX: ffffffffffffffda RBX: 00007ffe415dff38 RCX: 00007fc36527654e
[  112.704239][ T2661] RDX: 0000000000000000 RSI: 00007ffe415df820 RDI: 0000000000000005
[  112.704241][ T2661] RBP: 00007ffe415df780 R08: 0000000000000000 R09: 0000000000000000
[  112.704242][ T2661] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91506a
[  112.704244][ T2661] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe415dfef0
| [  114.139006][ T2691] softirqs last disabled at (16526): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  114.139008][ T2691] Preemption disabled at:
| [  114.139009][ T2691] vprintk_emit (kernel/printk/printk.c:2471)
| [  114.139018][ T2691] Tainted: [W]=WARN
[  114.139019][ T2691] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  114.139021][ T2691] Call Trace:
[  114.139023][ T2691]  <TASK>
[  114.139024][ T2691]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  114.139031][ T2691]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  114.139032][ T2691]  __might_resched.cold (kernel/sched/core.c:9234)
[  114.139037][ T2691]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  114.139041][ T2691]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  114.139046][ T2691]  __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))
[  114.139048][ T2691]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.139055][ T2691]  ? 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)
[  114.139058][ T2691]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  114.139061][ T2691]  put_chars (drivers/char/virtio_console.c:1176)
[  114.139064][ T2691]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  114.139065][ T2691]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  114.139069][ T2691]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  114.139072][ T2691]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  114.139077][ T2691]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  114.139081][ T2691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.139086][ T2691]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  114.139090][ T2691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.139094][ T2691]  console_emit_next_record (kernel/printk/printk.c:3183)
[  114.139099][ T2691]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  114.139101][ T2691]  ? 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))
[  114.139104][ T2691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.139106][ T2691]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  114.139110][ T2691]  console_flush_one_record (kernel/printk/printk.c:3268)
[  114.139114][ T2691]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  114.139116][ T2691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.139122][ T2691]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  114.139125][ T2691]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  114.139127][ T2691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.139129][ T2691]  ? 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)
[  114.139132][ T2691]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  114.139134][ T2691]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  114.139137][ T2691]  vprintk_emit (kernel/printk/printk.c:2479)
[  114.139140][ T2691]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  114.139142][ T2691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.139145][ T2691]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  114.139149][ T2691]  _printk (kernel/printk/printk.c:2504)
[  114.139153][ T2691]  ? snapshot_read.cold (user.c:?)
[  114.139156][ T2691]  ? br_multicast_flood (??:?)
[  114.139159][ T2691]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  114.139161][ T2691]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  114.139162][ T2691]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  114.139166][ T2691]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  114.139171][ T2691]  br_init_port (net/bridge/br_stp_if.c:39)
[  114.139174][ T2691]  new_nbp (net/bridge/br_if.c:449)
[  114.139178][ T2691]  br_add_if (net/bridge/br_if.c:592)
[  114.139180][ T2691]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  114.139188][ T2691]  do_set_master (net/core/rtnetlink.c:3071)
[  114.139191][ T2691]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  114.139195][ T2691]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  114.139197][ T2691]  ? __dev_get_by_name (net/core/dev.c:905)
[  114.139199][ T2691]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  114.139208][ T2691]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  114.139215][ T2691]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  114.139221][ T2691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  114.139223][ T2691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.139230][ T2691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.139234][ T2691]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  114.139236][ T2691]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  114.139239][ T2691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.139241][ T2691]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  114.139245][ T2691]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  114.139248][ T2691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.139251][ T2691]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  114.139254][ T2691]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  114.139257][ T2691]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  114.139264][ T2691]  ? 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))
[  114.139266][ T2691]  ? 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))
[  114.139271][ T2691]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  114.139275][ T2691]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  114.139281][ T2691]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  114.139285][ T2691]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  114.139289][ T2691]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  114.139291][ T2691]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  114.139297][ T2691]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  114.139301][ T2691]  ____sys_sendmsg (net/socket.c:2713)
[  114.139303][ T2691]  ? copy_msghdr_from_user (net/socket.c:2650)
[  114.139305][ T2691]  ? sock_write_iter (net/socket.c:1269)
[  114.139307][ T2691]  ? move_addr_to_kernel (net/socket.c:258)
[  114.139312][ T2691]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  114.139314][ T2691]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  114.139319][ T2691]  ___sys_sendmsg (net/socket.c:2767)
[  114.139320][ T2691]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  114.139323][ T2691]  ? copy_msghdr_from_user (net/socket.c:2619)
[  114.139326][ T2691]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  114.139341][ T2691]  __sys_sendmsg (net/socket.c:2799)
[  114.139344][ T2691]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  114.139350][ T2691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.139352][ T2691]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  114.139355][ T2691]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  114.139359][ T2691]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  114.139362][ T2691]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  114.139365][ T2691] RIP: 0033:0x7f8ef235954e
[  114.139369][ T2691] 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
[  114.139371][ T2691] RSP: 002b:00007ffc41340510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  114.139374][ T2691] RAX: ffffffffffffffda RBX: 00007ffc41340cd8 RCX: 00007f8ef235954e
[  114.139375][ T2691] RDX: 0000000000000000 RSI: 00007ffc413405c0 RDI: 0000000000000005
[  114.139376][ T2691] RBP: 00007ffc41340520 R08: 0000000000000000 R09: 0000000000000000
[  114.139377][ T2691] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91506b
[  114.139378][ T2691] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc41340c90
| [  121.653876][   T12] softirqs last disabled at (1948530): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  121.653879][   T12] Preemption disabled at:
| [  121.653879][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  121.653888][   T12] Tainted: [W]=WARN
[  121.653889][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.653891][   T12] Workqueue: netns cleanup_net
[  121.653894][   T12] Call Trace:
[  121.653896][   T12]  <TASK>
[  121.653898][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  121.653905][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  121.653907][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  121.653911][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  121.653915][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  121.653920][   T12]  __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))
[  121.653922][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.653929][   T12]  ? 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)
[  121.653932][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.653936][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  121.653939][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  121.653940][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  121.653944][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  121.653947][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  121.653952][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  121.653956][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  121.653962][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  121.653965][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.653970][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  121.653974][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  121.653976][   T12]  ? 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))
[  121.653980][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.653982][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.653986][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  121.653990][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  121.653993][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  121.653998][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  121.654001][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  121.654003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.654005][   T12]  ? 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)
[  121.654009][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  121.654011][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  121.654014][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  121.654017][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  121.654019][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  121.654021][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  121.654023][   T12]  ? kthread (kernel/kthread.c:436)
[  121.654026][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  121.654029][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  121.654034][   T12]  _printk (kernel/printk/printk.c:2504)
[  121.654038][   T12]  ? snapshot_read.cold (user.c:?)
[  121.654042][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  121.654046][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  121.654051][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  121.654054][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  121.654058][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.654060][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  121.654063][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  121.654065][   T12]  ? 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)
[  121.654068][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  121.654072][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  121.654076][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  121.654083][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  121.654086][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  121.654090][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  121.654094][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  121.654098][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  121.654100][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  121.654103][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  121.654108][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  121.654112][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  121.654116][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.654118][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.654121][   T12]  process_one_work (kernel/workqueue.c:3387)
[  121.654129][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  121.654132][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  121.654140][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  121.654147][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  121.654150][   T12]  kthread (kernel/kthread.c:436)
[  121.654152][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  121.654155][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  121.654158][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  121.654161][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  121.654165][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  121.654168][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  121.654171][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  122.906161][ T2839] softirqs last disabled at (20552): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  122.906163][ T2839] Preemption disabled at:
| [  122.906164][ T2839] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.906173][ T2839] Tainted: [W]=WARN
[  122.906174][ T2839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.906176][ T2839] Call Trace:
[  122.906178][ T2839]  <TASK>
[  122.906179][ T2839]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.906185][ T2839]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.906187][ T2839]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.906191][ T2839]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.906196][ T2839]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  122.906200][ T2839]  __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))
[  122.906202][ T2839]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.906209][ T2839]  ? 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)
[  122.906212][ T2839]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.906215][ T2839]  put_chars (drivers/char/virtio_console.c:1176)
[  122.906218][ T2839]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.906224][ T2839]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.906232][ T2839]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.906236][ T2839]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.906240][ T2839]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.906244][ T2839]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.906246][ T2839]  ? 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))
[  122.906250][ T2839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.906252][ T2839]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.906256][ T2839]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.906261][ T2839]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.906263][ T2839]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.906268][ T2839]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.906271][ T2839]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.906273][ T2839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.906275][ T2839]  ? 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)
[  122.906279][ T2839]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.906281][ T2839]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.906283][ T2839]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.906287][ T2839]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.906289][ T2839]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  122.906295][ T2839]  _printk (kernel/printk/printk.c:2504)
[  122.906298][ T2839]  ? snapshot_read.cold (user.c:?)
[  122.906300][ T2839]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  122.906303][ T2839]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  122.906306][ T2839]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  122.906308][ T2839]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  122.906312][ T2839]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  122.906315][ T2839]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  122.906317][ T2839]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  122.906320][ T2839]  ? netdev_notice (net/core/dev.c:13194)
[  122.906323][ T2839]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  122.906326][ T2839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.906328][ T2839]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  122.906332][ T2839]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  122.906334][ T2839]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  122.906336][ T2839]  ? register_netdev (net/core/dev.c:11618)
[  122.906338][ T2839]  ? 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))
[  122.906343][ T2839]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  122.906346][ T2839]  ? __kernel_text_address (kernel/extable.c:79)
[  122.906349][ T2839]  ? write_profile (profile.c:?)
[  122.906353][ T2839]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  122.906359][ T2839]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  122.906362][ T2839]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  122.906364][ T2839]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  122.906366][ T2839]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  122.906368][ T2839]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  122.906371][ T2839]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  122.906373][ T2839]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  122.906375][ T2839]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  122.906378][ T2839]  ? kasan_save_stack (mm/kasan/common.c:58)
[  122.906380][ T2839]  ? kasan_save_stack (mm/kasan/common.c:57)
[  122.906381][ T2839]  ? kasan_save_track (mm/kasan/common.c:78)
[  122.906383][ T2839]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  122.906385][ T2839]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.906387][ T2839]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  122.906390][ T2839]  ? ___sys_sendmsg (net/socket.c:2758)
[  122.906394][ T2839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  122.906396][ T2839]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  122.906402][ T2839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.906404][ T2839]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.906406][ T2839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.906407][ T2839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.906409][ T2839]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  122.906411][ T2839]  ? __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)
[  122.906412][ T2839]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  122.906414][ T2839]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  122.906418][ T2839]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  122.906419][ T2839]  ? nla_get_range_signed (lib/nlattr.c:270)
[  122.906424][ T2839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.906426][ T2839]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  122.906432][ T2839]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  122.906437][ T2839]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.906439][ T2839]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.906444][ T2839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  122.906446][ T2839]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  122.906448][ T2839]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.906450][ T2839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.906454][ T2839]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.906456][ T2839]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.906459][ T2839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.906461][ T2839]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  122.906465][ T2839]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  122.906467][ T2839]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  122.906471][ T2839]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.906474][ T2839]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.906477][ T2839]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.906484][ T2839]  ? 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))
[  122.906486][ T2839]  ? 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))
[  122.906491][ T2839]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.906495][ T2839]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.906498][ T2839]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  122.906502][ T2839]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.906506][ T2839]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.906510][ T2839]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  122.906512][ T2839]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  122.906517][ T2839]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  122.906520][ T2839]  ____sys_sendmsg (net/socket.c:2713)
[  122.906523][ T2839]  ? copy_msghdr_from_user (net/socket.c:2650)
[  122.906525][ T2839]  ? sock_write_iter (net/socket.c:1269)
[  122.906527][ T2839]  ? move_addr_to_kernel (net/socket.c:258)
[  122.906534][ T2839]  ___sys_sendmsg (net/socket.c:2767)
[  122.906537][ T2839]  ? copy_msghdr_from_user (net/socket.c:2619)
[  122.906558][ T2839]  __sys_sendmsg (net/socket.c:2799)
[  122.906561][ T2839]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  122.906568][ T2839]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.906571][ T2839]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.906574][ T2839]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.906577][ T2839]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.906580][ T2839] RIP: 0033:0x7fda1c13254e
[  122.906584][ T2839] 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
[  122.906586][ T2839] RSP: 002b:00007fff4a8eaf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  122.906589][ T2839] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fda1c13254e
[  122.906591][ T2839] RDX: 0000000000000000 RSI: 00007fff4a8eb010 RDI: 0000000000000005
[  122.906592][ T2839] RBP: 00007fff4a8eaf70 R08: 0000000000000000 R09: 0000000000000000
[  122.906592][ T2839] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915074
[  122.906593][ T2839] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4a8eb6d0
| [  123.910292][ T2883] softirqs last disabled at (19190): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  123.910296][ T2883] Preemption disabled at:
| [  123.910297][ T2883] vprintk_emit (kernel/printk/printk.c:2471)
| [  123.910309][ T2883] Tainted: [W]=WARN
[  123.910310][ T2883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  123.910312][ T2883] Call Trace:
[  123.910315][ T2883]  <TASK>
[  123.910317][ T2883]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  123.910326][ T2883]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  123.910329][ T2883]  __might_resched.cold (kernel/sched/core.c:9234)
[  123.910335][ T2883]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  123.910341][ T2883]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  123.910348][ T2883]  __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))
[  123.910352][ T2883]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.910362][ T2883]  ? 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)
[  123.910366][ T2883]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.910373][ T2883]  put_chars (drivers/char/virtio_console.c:1176)
[  123.910377][ T2883]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  123.910380][ T2883]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  123.910385][ T2883]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  123.910390][ T2883]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  123.910399][ T2883]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  123.910406][ T2883]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.910416][ T2883]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  123.910422][ T2883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.910431][ T2883]  console_emit_next_record (kernel/printk/printk.c:3183)
[  123.910438][ T2883]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  123.910441][ T2883]  ? 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))
[  123.910447][ T2883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.910450][ T2883]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.910458][ T2883]  console_flush_one_record (kernel/printk/printk.c:3268)
[  123.910465][ T2883]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  123.910468][ T2883]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.910478][ T2883]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  123.910483][ T2883]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  123.910486][ T2883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.910489][ T2883]  ? 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)
[  123.910496][ T2883]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  123.910499][ T2883]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  123.910505][ T2883]  vprintk_emit (kernel/printk/printk.c:2479)
[  123.910511][ T2883]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  123.910514][ T2883]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  123.910519][ T2883]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  123.910526][ T2883]  _printk (kernel/printk/printk.c:2504)
[  123.910532][ T2883]  ? snapshot_read.cold (user.c:?)
[  123.910538][ T2883]  ? br_multicast_flood (??:?)
[  123.910542][ T2883]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  123.910545][ T2883]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  123.910547][ T2883]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  123.910560][ T2883]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  123.910568][ T2883]  br_init_port (net/bridge/br_stp_if.c:39)
[  123.910573][ T2883]  new_nbp (net/bridge/br_if.c:449)
[  123.910580][ T2883]  br_add_if (net/bridge/br_if.c:592)
[  123.910583][ T2883]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  123.910596][ T2883]  do_set_master (net/core/rtnetlink.c:3071)
[  123.910603][ T2883]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  123.910610][ T2883]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  123.910613][ T2883]  ? __dev_get_by_name (net/core/dev.c:905)
[  123.910616][ T2883]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  123.910634][ T2883]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  123.910648][ T2883]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  123.910658][ T2883]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  123.910662][ T2883]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.910675][ T2883]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  123.910682][ T2883]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  123.910686][ T2883]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  123.910692][ T2883]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.910694][ T2883]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  123.910703][ T2883]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  123.910706][ T2883]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  123.910713][ T2883]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  123.910718][ T2883]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.910723][ T2883]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  123.910736][ T2883]  ? 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))
[  123.910739][ T2883]  ? 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))
[  123.910748][ T2883]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  123.910755][ T2883]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  123.910766][ T2883]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  123.910774][ T2883]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  123.910781][ T2883]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  123.910784][ T2883]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  123.910793][ T2883]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  123.910799][ T2883]  ____sys_sendmsg (net/socket.c:2713)
[  123.910803][ T2883]  ? copy_msghdr_from_user (net/socket.c:2650)
[  123.910807][ T2883]  ? sock_write_iter (net/socket.c:1269)
[  123.910809][ T2883]  ? move_addr_to_kernel (net/socket.c:258)
[  123.910818][ T2883]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  123.910822][ T2883]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  123.910829][ T2883]  ___sys_sendmsg (net/socket.c:2767)
[  123.910833][ T2883]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  123.910837][ T2883]  ? copy_msghdr_from_user (net/socket.c:2619)
[  123.910842][ T2883]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  123.910872][ T2883]  __sys_sendmsg (net/socket.c:2799)
[  123.910877][ T2883]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  123.910888][ T2883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.910891][ T2883]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.910897][ T2883]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  123.910902][ T2883]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  123.910908][ T2883]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  123.910911][ T2883] RIP: 0033:0x7ff53a4a054e
[  123.910916][ T2883] 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
[  123.910920][ T2883] RSP: 002b:00007ffc18615eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  123.910924][ T2883] RAX: ffffffffffffffda RBX: 00007ffc18616678 RCX: 00007ff53a4a054e
[  123.910926][ T2883] RDX: 0000000000000000 RSI: 00007ffc18615f60 RDI: 0000000000000005
[  123.910928][ T2883] RBP: 00007ffc18615ec0 R08: 0000000000000000 R09: 0000000000000000
[  123.910929][ T2883] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915075
[  123.910931][ T2883] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc18616630
| [  125.166895][ T2913] softirqs last disabled at (25038): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  125.166897][ T2913] Preemption disabled at:
| [  125.166898][ T2913] vprintk_emit (kernel/printk/printk.c:2471)
| [  125.166907][ T2913] Tainted: [W]=WARN
[  125.166908][ T2913] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  125.166910][ T2913] Call Trace:
[  125.166912][ T2913]  <TASK>
[  125.166913][ T2913]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  125.166920][ T2913]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  125.166922][ T2913]  __might_resched.cold (kernel/sched/core.c:9234)
[  125.166926][ T2913]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  125.166931][ T2913]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  125.166936][ T2913]  __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))
[  125.166938][ T2913]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.166945][ T2913]  ? 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)
[  125.166948][ T2913]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  125.166952][ T2913]  put_chars (drivers/char/virtio_console.c:1176)
[  125.166955][ T2913]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  125.166956][ T2913]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  125.166959][ T2913]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  125.166963][ T2913]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  125.166968][ T2913]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  125.166972][ T2913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.166977][ T2913]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  125.166981][ T2913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.166986][ T2913]  console_emit_next_record (kernel/printk/printk.c:3183)
[  125.166990][ T2913]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  125.166992][ T2913]  ? 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))
[  125.166996][ T2913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.166998][ T2913]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  125.167002][ T2913]  console_flush_one_record (kernel/printk/printk.c:3268)
[  125.167006][ T2913]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  125.167008][ T2913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.167014][ T2913]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  125.167017][ T2913]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  125.167019][ T2913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.167021][ T2913]  ? 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)
[  125.167025][ T2913]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  125.167027][ T2913]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  125.167030][ T2913]  vprintk_emit (kernel/printk/printk.c:2479)
[  125.167033][ T2913]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  125.167035][ T2913]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  125.167038][ T2913]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  125.167042][ T2913]  _printk (kernel/printk/printk.c:2504)
[  125.167046][ T2913]  ? snapshot_read.cold (user.c:?)
[  125.167050][ T2913]  ? br_multicast_flood (??:?)
[  125.167053][ T2913]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  125.167054][ T2913]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  125.167055][ T2913]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  125.167060][ T2913]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  125.167064][ T2913]  br_init_port (net/bridge/br_stp_if.c:39)
[  125.167067][ T2913]  new_nbp (net/bridge/br_if.c:449)
[  125.167071][ T2913]  br_add_if (net/bridge/br_if.c:592)
[  125.167073][ T2913]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  125.167081][ T2913]  do_set_master (net/core/rtnetlink.c:3071)
[  125.167085][ T2913]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  125.167089][ T2913]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  125.167090][ T2913]  ? __dev_get_by_name (net/core/dev.c:905)
[  125.167093][ T2913]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  125.167103][ T2913]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  125.167110][ T2913]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  125.167115][ T2913]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.167117][ T2913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.167125][ T2913]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  125.167129][ T2913]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  125.167131][ T2913]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  125.167134][ T2913]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.167136][ T2913]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  125.167140][ T2913]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  125.167142][ T2913]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  125.167147][ T2913]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  125.167150][ T2913]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  125.167153][ T2913]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  125.167160][ T2913]  ? 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))
[  125.167162][ T2913]  ? 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))
[  125.167167][ T2913]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  125.167171][ T2913]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  125.167177][ T2913]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  125.167181][ T2913]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  125.167185][ T2913]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  125.167187][ T2913]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  125.167193][ T2913]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  125.167197][ T2913]  ____sys_sendmsg (net/socket.c:2713)
[  125.167200][ T2913]  ? copy_msghdr_from_user (net/socket.c:2650)
[  125.167202][ T2913]  ? sock_write_iter (net/socket.c:1269)
[  125.167204][ T2913]  ? move_addr_to_kernel (net/socket.c:258)
[  125.167208][ T2913]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  125.167211][ T2913]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  125.167216][ T2913]  ___sys_sendmsg (net/socket.c:2767)
[  125.167217][ T2913]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  125.167220][ T2913]  ? copy_msghdr_from_user (net/socket.c:2619)
[  125.167223][ T2913]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  125.167239][ T2913]  __sys_sendmsg (net/socket.c:2799)
[  125.167242][ T2913]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  125.167248][ T2913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.167250][ T2913]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  125.167253][ T2913]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  125.167257][ T2913]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  125.167260][ T2913]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  125.167262][ T2913] RIP: 0033:0x7ff3fac0c54e
[  125.167266][ T2913] 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
[  125.167269][ T2913] RSP: 002b:00007ffd8dfbac80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  125.167272][ T2913] RAX: ffffffffffffffda RBX: 00007ffd8dfbb448 RCX: 00007ff3fac0c54e
[  125.167273][ T2913] RDX: 0000000000000000 RSI: 00007ffd8dfbad30 RDI: 0000000000000005
[  125.167274][ T2913] RBP: 00007ffd8dfbac90 R08: 0000000000000000 R09: 0000000000000000
[  125.167275][ T2913] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915076
[  125.167276][ T2913] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8dfbb400
| [  126.407726][ T2950] softirqs last disabled at (26912): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  126.407729][ T2950] Preemption disabled at:
| [  126.407729][ T2950] vprintk_emit (kernel/printk/printk.c:2471)
| [  126.407738][ T2950] Tainted: [W]=WARN
[  126.407739][ T2950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.407741][ T2950] Call Trace:
[  126.407743][ T2950]  <TASK>
[  126.407744][ T2950]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.407750][ T2950]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  126.407752][ T2950]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.407757][ T2950]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.407761][ T2950]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  126.407766][ T2950]  __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))
[  126.407768][ T2950]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.407775][ T2950]  ? 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)
[  126.407777][ T2950]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.407781][ T2950]  put_chars (drivers/char/virtio_console.c:1176)
[  126.407784][ T2950]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.407791][ T2950]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.407798][ T2950]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.407802][ T2950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.407806][ T2950]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.407811][ T2950]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.407813][ T2950]  ? 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))
[  126.407816][ T2950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.407819][ T2950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.407823][ T2950]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.407828][ T2950]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.407830][ T2950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.407835][ T2950]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.407838][ T2950]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.407840][ T2950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.407842][ T2950]  ? 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)
[  126.407846][ T2950]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.407848][ T2950]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.407851][ T2950]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.407854][ T2950]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.407857][ T2950]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  126.407862][ T2950]  _printk (kernel/printk/printk.c:2504)
[  126.407866][ T2950]  ? snapshot_read.cold (user.c:?)
[  126.407868][ T2950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  126.407870][ T2950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  126.407873][ T2950]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  126.407876][ T2950]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  126.407880][ T2950]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  126.407883][ T2950]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.407885][ T2950]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  126.407888][ T2950]  ? netdev_notice (net/core/dev.c:13194)
[  126.407891][ T2950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.407894][ T2950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.407897][ T2950]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  126.407901][ T2950]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.407903][ T2950]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  126.407905][ T2950]  ? register_netdev (net/core/dev.c:11618)
[  126.407906][ T2950]  ? 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))
[  126.407912][ T2950]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  126.407915][ T2950]  ? __kernel_text_address (kernel/extable.c:79)
[  126.407917][ T2950]  ? write_profile (profile.c:?)
[  126.407922][ T2950]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  126.407927][ T2950]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  126.407931][ T2950]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  126.407933][ T2950]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  126.407934][ T2950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  126.407936][ T2950]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  126.407940][ T2950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  126.407942][ T2950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  126.407944][ T2950]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  126.407946][ T2950]  ? kasan_save_stack (mm/kasan/common.c:58)
[  126.407948][ T2950]  ? kasan_save_stack (mm/kasan/common.c:57)
[  126.407949][ T2950]  ? kasan_save_track (mm/kasan/common.c:78)
[  126.407951][ T2950]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  126.407953][ T2950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.407955][ T2950]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  126.407958][ T2950]  ? ___sys_sendmsg (net/socket.c:2758)
[  126.407962][ T2950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.407965][ T2950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.407967][ T2950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.407969][ T2950]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.407971][ T2950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.407972][ T2950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.407974][ T2950]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  126.407976][ T2950]  ? __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)
[  126.407977][ T2950]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  126.407979][ T2950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  126.407983][ T2950]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  126.407984][ T2950]  ? nla_get_range_signed (lib/nlattr.c:270)
[  126.407989][ T2950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.407991][ T2950]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  126.407997][ T2950]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  126.408002][ T2950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.408004][ T2950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.408009][ T2950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.408011][ T2950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.408013][ T2950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.408015][ T2950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.408019][ T2950]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  126.408021][ T2950]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  126.408025][ T2950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.408026][ T2950]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  126.408031][ T2950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  126.408033][ T2950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.408037][ T2950]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.408040][ T2950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.408043][ T2950]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.408050][ T2950]  ? 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))
[  126.408052][ T2950]  ? 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))
[  126.408056][ T2950]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.408061][ T2950]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.408063][ T2950]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  126.408068][ T2950]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.408072][ T2950]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.408076][ T2950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  126.408078][ T2950]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  126.408083][ T2950]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  126.408086][ T2950]  ____sys_sendmsg (net/socket.c:2713)
[  126.408089][ T2950]  ? copy_msghdr_from_user (net/socket.c:2650)
[  126.408091][ T2950]  ? sock_write_iter (net/socket.c:1269)
[  126.408093][ T2950]  ? move_addr_to_kernel (net/socket.c:258)
[  126.408100][ T2950]  ___sys_sendmsg (net/socket.c:2767)
[  126.408103][ T2950]  ? copy_msghdr_from_user (net/socket.c:2619)
[  126.408120][ T2950]  __sys_sendmsg (net/socket.c:2799)
[  126.408123][ T2950]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  126.408130][ T2950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.408133][ T2950]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.408136][ T2950]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.408139][ T2950]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.408141][ T2950] RIP: 0033:0x7fd3eb52954e
[  126.408145][ T2950] 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
[  126.408147][ T2950] RSP: 002b:00007ffc3caa4370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  126.408150][ T2950] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd3eb52954e
[  126.408152][ T2950] RDX: 0000000000000000 RSI: 00007ffc3caa4420 RDI: 0000000000000005
[  126.408153][ T2950] RBP: 00007ffc3caa4380 R08: 0000000000000000 R09: 0000000000000000
[  126.408154][ T2950] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915077
[  126.408155][ T2950] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3caa4ae0
| [  128.507209][ T3025] softirqs last disabled at (16562): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  128.507211][ T3025] Preemption disabled at:
| [  128.507211][ T3025] vprintk_emit (kernel/printk/printk.c:2471)
| [  128.507220][ T3025] Tainted: [W]=WARN
[  128.507221][ T3025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  128.507223][ T3025] Call Trace:
[  128.507225][ T3025]  <TASK>
[  128.507226][ T3025]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  128.507232][ T3025]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  128.507234][ T3025]  __might_resched.cold (kernel/sched/core.c:9234)
[  128.507239][ T3025]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  128.507243][ T3025]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  128.507247][ T3025]  __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))
[  128.507249][ T3025]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.507256][ T3025]  ? 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)
[  128.507259][ T3025]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  128.507262][ T3025]  put_chars (drivers/char/virtio_console.c:1176)
[  128.507265][ T3025]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  128.507266][ T3025]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  128.507270][ T3025]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  128.507272][ T3025]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  128.507277][ T3025]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  128.507281][ T3025]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.507286][ T3025]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  128.507290][ T3025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.507294][ T3025]  console_emit_next_record (kernel/printk/printk.c:3183)
[  128.507298][ T3025]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  128.507300][ T3025]  ? 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))
[  128.507303][ T3025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.507305][ T3025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  128.507309][ T3025]  console_flush_one_record (kernel/printk/printk.c:3268)
[  128.507313][ T3025]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  128.507315][ T3025]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.507321][ T3025]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  128.507324][ T3025]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  128.507326][ T3025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.507327][ T3025]  ? 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)
[  128.507331][ T3025]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  128.507333][ T3025]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  128.507336][ T3025]  vprintk_emit (kernel/printk/printk.c:2479)
[  128.507339][ T3025]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  128.507341][ T3025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.507344][ T3025]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  128.507348][ T3025]  _printk (kernel/printk/printk.c:2504)
[  128.507351][ T3025]  ? snapshot_read.cold (user.c:?)
[  128.507355][ T3025]  ? br_multicast_flood (??:?)
[  128.507358][ T3025]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  128.507359][ T3025]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  128.507361][ T3025]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  128.507365][ T3025]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  128.507369][ T3025]  br_init_port (net/bridge/br_stp_if.c:39)
[  128.507372][ T3025]  new_nbp (net/bridge/br_if.c:449)
[  128.507376][ T3025]  br_add_if (net/bridge/br_if.c:592)
[  128.507378][ T3025]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  128.507386][ T3025]  do_set_master (net/core/rtnetlink.c:3071)
[  128.507390][ T3025]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  128.507393][ T3025]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  128.507395][ T3025]  ? __dev_get_by_name (net/core/dev.c:905)
[  128.507397][ T3025]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  128.507409][ T3025]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  128.507415][ T3025]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  128.507421][ T3025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  128.507423][ T3025]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.507430][ T3025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.507433][ T3025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  128.507436][ T3025]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  128.507439][ T3025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  128.507440][ T3025]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  128.507445][ T3025]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  128.507447][ T3025]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  128.507451][ T3025]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  128.507454][ T3025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  128.507457][ T3025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  128.507464][ T3025]  ? 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))
[  128.507466][ T3025]  ? 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))
[  128.507470][ T3025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  128.507474][ T3025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  128.507480][ T3025]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  128.507484][ T3025]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  128.507488][ T3025]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  128.507490][ T3025]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  128.507496][ T3025]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  128.507500][ T3025]  ____sys_sendmsg (net/socket.c:2713)
[  128.507502][ T3025]  ? copy_msghdr_from_user (net/socket.c:2650)
[  128.507504][ T3025]  ? sock_write_iter (net/socket.c:1269)
[  128.507506][ T3025]  ? move_addr_to_kernel (net/socket.c:258)
[  128.507510][ T3025]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  128.507513][ T3025]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  128.507517][ T3025]  ___sys_sendmsg (net/socket.c:2767)
[  128.507518][ T3025]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  128.507521][ T3025]  ? copy_msghdr_from_user (net/socket.c:2619)
[  128.507524][ T3025]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  128.507539][ T3025]  __sys_sendmsg (net/socket.c:2799)
[  128.507542][ T3025]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  128.507548][ T3025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.507550][ T3025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  128.507553][ T3025]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  128.507556][ T3025]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  128.507559][ T3025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  128.507561][ T3025] RIP: 0033:0x7fb3ee35e54e
[  128.507565][ T3025] 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
[  128.507567][ T3025] RSP: 002b:00007ffee4f60e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  128.507570][ T3025] RAX: ffffffffffffffda RBX: 00007ffee4f615f8 RCX: 00007fb3ee35e54e
[  128.507571][ T3025] RDX: 0000000000000000 RSI: 00007ffee4f60ee0 RDI: 0000000000000005
[  128.507572][ T3025] RBP: 00007ffee4f60e40 R08: 0000000000000000 R09: 0000000000000000
[  128.507573][ T3025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915079
[  128.507574][ T3025] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee4f615b0
| [  136.835347][   T12] softirqs last disabled at (2232730): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [  136.835350][   T12] Preemption disabled at:
| [  136.835350][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  136.835359][   T12] Tainted: [W]=WARN
[  136.835360][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  136.835362][   T12] Workqueue: netns cleanup_net
[  136.835365][   T12] Call Trace:
[  136.835367][   T12]  <TASK>
[  136.835369][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  136.835375][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  136.835377][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  136.835381][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  136.835386][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  136.835390][   T12]  __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))
[  136.835392][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  136.835403][   T12]  ? 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)
[  136.835406][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  136.835411][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  136.835414][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  136.835415][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  136.835419][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  136.835422][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  136.835428][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  136.835432][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  136.835438][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  136.835441][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.835446][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  136.835451][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  136.835453][   T12]  ? 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))
[  136.835456][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.835458][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  136.835463][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  136.835467][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  136.835469][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  136.835475][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  136.835478][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  136.835480][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.835482][   T12]  ? 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)
[  136.835486][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  136.835488][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  136.835491][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  136.835494][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  136.835496][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  136.835498][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  136.835500][   T12]  ? kthread (kernel/kthread.c:436)
[  136.835502][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  136.835505][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  136.835510][   T12]  _printk (kernel/printk/printk.c:2504)
[  136.835514][   T12]  ? snapshot_read.cold (user.c:?)
[  136.835519][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  136.835523][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  136.835527][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  136.835530][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  136.835535][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.835537][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  136.835539][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  136.835541][   T12]  ? 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)
[  136.835544][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  136.835548][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  136.835552][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  136.835559][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  136.835563][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  136.835567][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  136.835570][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  136.835574][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  136.835576][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  136.835579][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  136.835584][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  136.835588][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  136.835592][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  136.835594][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  136.835597][   T12]  process_one_work (kernel/workqueue.c:3387)
[  136.835604][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  136.835608][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  136.835616][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  136.835623][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  136.835626][   T12]  kthread (kernel/kthread.c:436)
[  136.835634][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  136.835638][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  136.835642][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  136.835644][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  136.835648][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  136.835652][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  136.835655][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  138.248206][ T3239] softirqs last disabled at (26444): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  138.248209][ T3239] Preemption disabled at:
| [  138.248210][ T3239] vprintk_emit (kernel/printk/printk.c:2471)
| [  138.248218][ T3239] Tainted: [W]=WARN
[  138.248219][ T3239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  138.248221][ T3239] Call Trace:
[  138.248223][ T3239]  <TASK>
[  138.248224][ T3239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  138.248231][ T3239]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  138.248233][ T3239]  __might_resched.cold (kernel/sched/core.c:9234)
[  138.248237][ T3239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  138.248242][ T3239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  138.248246][ T3239]  __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))
[  138.248248][ T3239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.248255][ T3239]  ? 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)
[  138.248258][ T3239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  138.248262][ T3239]  put_chars (drivers/char/virtio_console.c:1176)
[  138.248264][ T3239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  138.248271][ T3239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  138.248279][ T3239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  138.248282][ T3239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.248287][ T3239]  console_emit_next_record (kernel/printk/printk.c:3183)
[  138.248291][ T3239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  138.248293][ T3239]  ? 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))
[  138.248296][ T3239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.248299][ T3239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.248303][ T3239]  console_flush_one_record (kernel/printk/printk.c:3268)
[  138.248308][ T3239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  138.248310][ T3239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  138.248316][ T3239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  138.248318][ T3239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  138.248320][ T3239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.248322][ T3239]  ? 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)
[  138.248326][ T3239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  138.248328][ T3239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  138.248331][ T3239]  vprintk_emit (kernel/printk/printk.c:2479)
[  138.248334][ T3239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  138.248337][ T3239]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  138.248342][ T3239]  _printk (kernel/printk/printk.c:2504)
[  138.248346][ T3239]  ? snapshot_read.cold (user.c:?)
[  138.248348][ T3239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  138.248351][ T3239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  138.248353][ T3239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  138.248356][ T3239]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  138.248360][ T3239]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  138.248363][ T3239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  138.248365][ T3239]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  138.248368][ T3239]  ? netdev_notice (net/core/dev.c:13194)
[  138.248371][ T3239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  138.248374][ T3239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  138.248376][ T3239]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  138.248380][ T3239]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  138.248382][ T3239]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  138.248385][ T3239]  ? register_netdev (net/core/dev.c:11618)
[  138.248386][ T3239]  ? 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))
[  138.248392][ T3239]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  138.248394][ T3239]  ? __kernel_text_address (kernel/extable.c:79)
[  138.248397][ T3239]  ? write_profile (profile.c:?)
[  138.248404][ T3239]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  138.248410][ T3239]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  138.248414][ T3239]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  138.248416][ T3239]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  138.248417][ T3239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  138.248419][ T3239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  138.248423][ T3239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  138.248425][ T3239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  138.248427][ T3239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  138.248429][ T3239]  ? kasan_save_stack (mm/kasan/common.c:58)
[  138.248431][ T3239]  ? kasan_save_stack (mm/kasan/common.c:57)
[  138.248432][ T3239]  ? kasan_save_track (mm/kasan/common.c:78)
[  138.248433][ T3239]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  138.248436][ T3239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  138.248438][ T3239]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  138.248441][ T3239]  ? ___sys_sendmsg (net/socket.c:2758)
[  138.248445][ T3239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  138.248447][ T3239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  138.248450][ T3239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.248452][ T3239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  138.248454][ T3239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.248455][ T3239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.248457][ T3239]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  138.248459][ T3239]  ? __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)
[  138.248460][ T3239]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  138.248462][ T3239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  138.248466][ T3239]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  138.248467][ T3239]  ? nla_get_range_signed (lib/nlattr.c:270)
[  138.248472][ T3239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.248474][ T3239]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  138.248479][ T3239]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  138.248485][ T3239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  138.248487][ T3239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  138.248491][ T3239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  138.248493][ T3239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  138.248495][ T3239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  138.248497][ T3239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  138.248501][ T3239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  138.248503][ T3239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  138.248507][ T3239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  138.248508][ T3239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  138.248513][ T3239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  138.248515][ T3239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  138.248518][ T3239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  138.248522][ T3239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  138.248525][ T3239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  138.248531][ T3239]  ? 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))
[  138.248533][ T3239]  ? 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))
[  138.248538][ T3239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  138.248542][ T3239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  138.248545][ T3239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  138.248549][ T3239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  138.248553][ T3239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  138.248557][ T3239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  138.248559][ T3239]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  138.248564][ T3239]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  138.248567][ T3239]  ____sys_sendmsg (net/socket.c:2713)
[  138.248569][ T3239]  ? copy_msghdr_from_user (net/socket.c:2650)
[  138.248572][ T3239]  ? sock_write_iter (net/socket.c:1269)
[  138.248573][ T3239]  ? move_addr_to_kernel (net/socket.c:258)
[  138.248581][ T3239]  ___sys_sendmsg (net/socket.c:2767)
[  138.248584][ T3239]  ? copy_msghdr_from_user (net/socket.c:2619)
[  138.248600][ T3239]  __sys_sendmsg (net/socket.c:2799)
[  138.248603][ T3239]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  138.248609][ T3239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  138.248612][ T3239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  138.248615][ T3239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  138.248618][ T3239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  138.248621][ T3239] RIP: 0033:0x7f7f2eaaf54e
[  138.248625][ T3239] 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
[  138.248627][ T3239] RSP: 002b:00007fffe0ac7830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  138.248630][ T3239] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7f2eaaf54e
[  138.248631][ T3239] RDX: 0000000000000000 RSI: 00007fffe0ac78e0 RDI: 0000000000000005
[  138.248632][ T3239] RBP: 00007fffe0ac7840 R08: 0000000000000000 R09: 0000000000000000
[  138.248633][ T3239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915083
[  138.248634][ T3239] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe0ac7fa0
| [  140.552834][ T3314] softirqs last disabled at (19632): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  140.552837][ T3314] Preemption disabled at:
| [  140.552838][ T3314] vprintk_emit (kernel/printk/printk.c:2471)
| [  140.552849][ T3314] Tainted: [W]=WARN
[  140.552851][ T3314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  140.552853][ T3314] Call Trace:
[  140.552855][ T3314]  <TASK>
[  140.552857][ T3314]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  140.552865][ T3314]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  140.552868][ T3314]  __might_resched.cold (kernel/sched/core.c:9234)
[  140.552875][ T3314]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  140.552881][ T3314]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  140.552887][ T3314]  __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))
[  140.552891][ T3314]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.552901][ T3314]  ? 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)
[  140.552905][ T3314]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  140.552911][ T3314]  put_chars (drivers/char/virtio_console.c:1176)
[  140.552915][ T3314]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  140.552917][ T3314]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  140.552923][ T3314]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  140.552927][ T3314]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  140.552936][ T3314]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  140.552941][ T3314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.552950][ T3314]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  140.552956][ T3314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.552965][ T3314]  console_emit_next_record (kernel/printk/printk.c:3183)
[  140.552971][ T3314]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  140.552974][ T3314]  ? 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))
[  140.552980][ T3314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.552983][ T3314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  140.552990][ T3314]  console_flush_one_record (kernel/printk/printk.c:3268)
[  140.552998][ T3314]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  140.553000][ T3314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.553010][ T3314]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  140.553015][ T3314]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  140.553018][ T3314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.553021][ T3314]  ? 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)
[  140.553028][ T3314]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  140.553031][ T3314]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  140.553036][ T3314]  vprintk_emit (kernel/printk/printk.c:2479)
[  140.553042][ T3314]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  140.553045][ T3314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.553050][ T3314]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  140.553056][ T3314]  _printk (kernel/printk/printk.c:2504)
[  140.553062][ T3314]  ? snapshot_read.cold (user.c:?)
[  140.553068][ T3314]  ? br_multicast_flood (??:?)
[  140.553072][ T3314]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  140.553074][ T3314]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  140.553076][ T3314]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  140.553084][ T3314]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  140.553091][ T3314]  br_init_port (net/bridge/br_stp_if.c:39)
[  140.553096][ T3314]  new_nbp (net/bridge/br_if.c:449)
[  140.553102][ T3314]  br_add_if (net/bridge/br_if.c:592)
[  140.553105][ T3314]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  140.553118][ T3314]  do_set_master (net/core/rtnetlink.c:3071)
[  140.553125][ T3314]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  140.553132][ T3314]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  140.553135][ T3314]  ? __dev_get_by_name (net/core/dev.c:905)
[  140.553138][ T3314]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  140.553155][ T3314]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  140.553168][ T3314]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  140.553179][ T3314]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.553182][ T3314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.553195][ T3314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.553202][ T3314]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  140.553206][ T3314]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  140.553211][ T3314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.553214][ T3314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  140.553222][ T3314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  140.553225][ T3314]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.553232][ T3314]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  140.553236][ T3314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  140.553242][ T3314]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  140.553254][ T3314]  ? 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))
[  140.553257][ T3314]  ? 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))
[  140.553265][ T3314]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  140.553272][ T3314]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  140.553282][ T3314]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  140.553290][ T3314]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  140.553296][ T3314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  140.553299][ T3314]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  140.553308][ T3314]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  140.553314][ T3314]  ____sys_sendmsg (net/socket.c:2713)
[  140.553318][ T3314]  ? copy_msghdr_from_user (net/socket.c:2650)
[  140.553322][ T3314]  ? sock_write_iter (net/socket.c:1269)
[  140.553324][ T3314]  ? move_addr_to_kernel (net/socket.c:258)
[  140.553333][ T3314]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  140.553337][ T3314]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  140.553343][ T3314]  ___sys_sendmsg (net/socket.c:2767)
[  140.553346][ T3314]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  140.553350][ T3314]  ? copy_msghdr_from_user (net/socket.c:2619)
[  140.553355][ T3314]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  140.553383][ T3314]  __sys_sendmsg (net/socket.c:2799)
[  140.553388][ T3314]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  140.553399][ T3314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.553404][ T3314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  140.553410][ T3314]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  140.553415][ T3314]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  140.553420][ T3314]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  140.553424][ T3314] RIP: 0033:0x7f28051cf54e
[  140.553429][ T3314] 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
[  140.553432][ T3314] RSP: 002b:00007ffcc116e030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  140.553436][ T3314] RAX: ffffffffffffffda RBX: 00007ffcc116e7f8 RCX: 00007f28051cf54e
[  140.553438][ T3314] RDX: 0000000000000000 RSI: 00007ffcc116e0e0 RDI: 0000000000000005
[  140.553440][ T3314] RBP: 00007ffcc116e040 R08: 0000000000000000 R09: 0000000000000000
[  140.553441][ T3314] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915085
[  140.553443][ T3314] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc116e7b0
| [  141.926207][ T3351] softirqs last disabled at (22254): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  141.926210][ T3351] Preemption disabled at:
| [  141.926210][ T3351] vprintk_emit (kernel/printk/printk.c:2471)
| [  141.926219][ T3351] Tainted: [W]=WARN
[  141.926220][ T3351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  141.926222][ T3351] Call Trace:
[  141.926224][ T3351]  <TASK>
[  141.926225][ T3351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  141.926231][ T3351]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  141.926233][ T3351]  __might_resched.cold (kernel/sched/core.c:9234)
[  141.926237][ T3351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  141.926241][ T3351]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  141.926246][ T3351]  __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))
[  141.926248][ T3351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.926254][ T3351]  ? 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)
[  141.926257][ T3351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.926261][ T3351]  put_chars (drivers/char/virtio_console.c:1176)
[  141.926264][ T3351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  141.926270][ T3351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  141.926278][ T3351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  141.926281][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.926285][ T3351]  console_emit_next_record (kernel/printk/printk.c:3183)
[  141.926289][ T3351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  141.926291][ T3351]  ? 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))
[  141.926295][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.926297][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.926301][ T3351]  console_flush_one_record (kernel/printk/printk.c:3268)
[  141.926306][ T3351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  141.926308][ T3351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.926313][ T3351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  141.926316][ T3351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  141.926318][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.926320][ T3351]  ? 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)
[  141.926324][ T3351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  141.926325][ T3351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  141.926328][ T3351]  vprintk_emit (kernel/printk/printk.c:2479)
[  141.926331][ T3351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  141.926334][ T3351]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  141.926339][ T3351]  _printk (kernel/printk/printk.c:2504)
[  141.926343][ T3351]  ? snapshot_read.cold (user.c:?)
[  141.926345][ T3351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  141.926347][ T3351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  141.926350][ T3351]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  141.926352][ T3351]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  141.926356][ T3351]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  141.926359][ T3351]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  141.926361][ T3351]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  141.926364][ T3351]  ? netdev_notice (net/core/dev.c:13194)
[  141.926366][ T3351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  141.926370][ T3351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  141.926372][ T3351]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  141.926376][ T3351]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  141.926378][ T3351]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  141.926380][ T3351]  ? register_netdev (net/core/dev.c:11618)
[  141.926381][ T3351]  ? 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))
[  141.926386][ T3351]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  141.926389][ T3351]  ? __kernel_text_address (kernel/extable.c:79)
[  141.926392][ T3351]  ? write_profile (profile.c:?)
[  141.926396][ T3351]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  141.926404][ T3351]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  141.926408][ T3351]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  141.926410][ T3351]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  141.926411][ T3351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  141.926413][ T3351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  141.926417][ T3351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  141.926419][ T3351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  141.926421][ T3351]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  141.926423][ T3351]  ? kasan_save_stack (mm/kasan/common.c:58)
[  141.926425][ T3351]  ? kasan_save_stack (mm/kasan/common.c:57)
[  141.926426][ T3351]  ? kasan_save_track (mm/kasan/common.c:78)
[  141.926428][ T3351]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  141.926430][ T3351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.926432][ T3351]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  141.926435][ T3351]  ? ___sys_sendmsg (net/socket.c:2758)
[  141.926439][ T3351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  141.926441][ T3351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  141.926444][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.926446][ T3351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.926447][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.926448][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.926450][ T3351]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  141.926452][ T3351]  ? __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)
[  141.926454][ T3351]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  141.926456][ T3351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  141.926459][ T3351]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  141.926460][ T3351]  ? nla_get_range_signed (lib/nlattr.c:270)
[  141.926465][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.926467][ T3351]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  141.926472][ T3351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.926478][ T3351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.926480][ T3351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.926484][ T3351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  141.926486][ T3351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  141.926488][ T3351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.926490][ T3351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  141.926494][ T3351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.926496][ T3351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  141.926500][ T3351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.926501][ T3351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  141.926506][ T3351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  141.926508][ T3351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  141.926511][ T3351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  141.926514][ T3351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.926517][ T3351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  141.926523][ T3351]  ? 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))
[  141.926526][ T3351]  ? 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))
[  141.926530][ T3351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  141.926534][ T3351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  141.926537][ T3351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  141.926541][ T3351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  141.926545][ T3351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  141.926548][ T3351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  141.926550][ T3351]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  141.926555][ T3351]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  141.926558][ T3351]  ____sys_sendmsg (net/socket.c:2713)
[  141.926561][ T3351]  ? copy_msghdr_from_user (net/socket.c:2650)
[  141.926563][ T3351]  ? sock_write_iter (net/socket.c:1269)
[  141.926564][ T3351]  ? move_addr_to_kernel (net/socket.c:258)
[  141.926572][ T3351]  ___sys_sendmsg (net/socket.c:2767)
[  141.926575][ T3351]  ? copy_msghdr_from_user (net/socket.c:2619)
[  141.926590][ T3351]  __sys_sendmsg (net/socket.c:2799)
[  141.926593][ T3351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  141.926599][ T3351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.926603][ T3351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  141.926606][ T3351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  141.926608][ T3351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  141.926611][ T3351] RIP: 0033:0x7f344e24454e
[  141.926615][ T3351] 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
[  141.926616][ T3351] RSP: 002b:00007fff3cf83740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  141.926619][ T3351] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f344e24454e
[  141.926621][ T3351] RDX: 0000000000000000 RSI: 00007fff3cf837f0 RDI: 0000000000000005
[  141.926621][ T3351] RBP: 00007fff3cf83750 R08: 0000000000000000 R09: 0000000000000000
[  141.926622][ T3351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915087
[  141.926623][ T3351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3cf83eb0
| [  143.962917][ T3426] softirqs last disabled at (16304): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  143.962919][ T3426] Preemption disabled at:
| [  143.962919][ T3426] vprintk_emit (kernel/printk/printk.c:2471)
| [  143.962928][ T3426] Tainted: [W]=WARN
[  143.962929][ T3426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  143.962931][ T3426] Call Trace:
[  143.962932][ T3426]  <TASK>
[  143.962934][ T3426]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  143.962940][ T3426]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  143.962942][ T3426]  __might_resched.cold (kernel/sched/core.c:9234)
[  143.962946][ T3426]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  143.962950][ T3426]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  143.962955][ T3426]  __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))
[  143.962957][ T3426]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.962963][ T3426]  ? 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)
[  143.962966][ T3426]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.962970][ T3426]  put_chars (drivers/char/virtio_console.c:1176)
[  143.962972][ T3426]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  143.962974][ T3426]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  143.962979][ T3426]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  143.962983][ T3426]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  143.962989][ T3426]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  143.962993][ T3426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.962998][ T3426]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  143.963001][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.963006][ T3426]  console_emit_next_record (kernel/printk/printk.c:3183)
[  143.963010][ T3426]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  143.963012][ T3426]  ? 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))
[  143.963016][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.963017][ T3426]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.963021][ T3426]  console_flush_one_record (kernel/printk/printk.c:3268)
[  143.963026][ T3426]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  143.963028][ T3426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.963033][ T3426]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  143.963036][ T3426]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  143.963038][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.963039][ T3426]  ? 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)
[  143.963043][ T3426]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  143.963045][ T3426]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  143.963048][ T3426]  vprintk_emit (kernel/printk/printk.c:2479)
[  143.963051][ T3426]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  143.963053][ T3426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.963056][ T3426]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  143.963059][ T3426]  _printk (kernel/printk/printk.c:2504)
[  143.963063][ T3426]  ? snapshot_read.cold (user.c:?)
[  143.963067][ T3426]  ? br_multicast_flood (??:?)
[  143.963070][ T3426]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  143.963071][ T3426]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  143.963072][ T3426]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  143.963076][ T3426]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  143.963081][ T3426]  br_init_port (net/bridge/br_stp_if.c:39)
[  143.963083][ T3426]  new_nbp (net/bridge/br_if.c:449)
[  143.963087][ T3426]  br_add_if (net/bridge/br_if.c:592)
[  143.963089][ T3426]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  143.963097][ T3426]  do_set_master (net/core/rtnetlink.c:3071)
[  143.963100][ T3426]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  143.963104][ T3426]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  143.963106][ T3426]  ? __dev_get_by_name (net/core/dev.c:905)
[  143.963108][ T3426]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  143.963117][ T3426]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  143.963124][ T3426]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  143.963129][ T3426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  143.963131][ T3426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.963138][ T3426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.963142][ T3426]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  143.963144][ T3426]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  143.963147][ T3426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.963148][ T3426]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  143.963153][ T3426]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  143.963155][ T3426]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.963159][ T3426]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  143.963162][ T3426]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.963165][ T3426]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  143.963171][ T3426]  ? 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))
[  143.963174][ T3426]  ? 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))
[  143.963178][ T3426]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  143.963182][ T3426]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  143.963188][ T3426]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  143.963192][ T3426]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  143.963196][ T3426]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  143.963198][ T3426]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  143.963203][ T3426]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  143.963207][ T3426]  ____sys_sendmsg (net/socket.c:2713)
[  143.963209][ T3426]  ? copy_msghdr_from_user (net/socket.c:2650)
[  143.963212][ T3426]  ? sock_write_iter (net/socket.c:1269)
[  143.963213][ T3426]  ? move_addr_to_kernel (net/socket.c:258)
[  143.963218][ T3426]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  143.963220][ T3426]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  143.963224][ T3426]  ___sys_sendmsg (net/socket.c:2767)
[  143.963226][ T3426]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  143.963229][ T3426]  ? copy_msghdr_from_user (net/socket.c:2619)
[  143.963231][ T3426]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  143.963246][ T3426]  __sys_sendmsg (net/socket.c:2799)
[  143.963249][ T3426]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  143.963254][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.963256][ T3426]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.963259][ T3426]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  143.963263][ T3426]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  143.963266][ T3426]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  143.963268][ T3426] RIP: 0033:0x7f33c447d54e
[  143.963272][ T3426] 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
[  143.963274][ T3426] RSP: 002b:00007ffdbdc54020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  143.963277][ T3426] RAX: ffffffffffffffda RBX: 00007ffdbdc547e8 RCX: 00007f33c447d54e
[  143.963278][ T3426] RDX: 0000000000000000 RSI: 00007ffdbdc540d0 RDI: 0000000000000005
[  143.963279][ T3426] RBP: 00007ffdbdc54030 R08: 0000000000000000 R09: 0000000000000000
[  143.963280][ T3426] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915089
[  143.963281][ T3426] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbdc547a0
| [  152.493569][   T12] softirqs last disabled at (2516573): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  152.493571][   T12] Preemption disabled at:
| [  152.493572][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  152.493580][   T12] Tainted: [W]=WARN
[  152.493581][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  152.493583][   T12] Workqueue: netns cleanup_net
[  152.493586][   T12] Call Trace:
[  152.493588][   T12]  <TASK>
[  152.493590][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  152.493596][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  152.493598][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  152.493603][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  152.493607][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  152.493611][   T12]  __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))
[  152.493614][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.493621][   T12]  ? 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)
[  152.493623][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  152.493627][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  152.493630][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  152.493631][   T12]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  152.493635][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  152.493638][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  152.493643][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  152.493647][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  152.493653][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  152.493656][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.493661][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  152.493665][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  152.493667][   T12]  ? 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))
[  152.493670][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.493672][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.493676][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  152.493680][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  152.493682][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  152.493688][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  152.493691][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  152.493693][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.493694][   T12]  ? 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)
[  152.493698][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  152.493700][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  152.493703][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  152.493706][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  152.493708][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  152.493710][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  152.493712][   T12]  ? kthread (kernel/kthread.c:436)
[  152.493723][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  152.493726][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  152.493730][   T12]  _printk (kernel/printk/printk.c:2504)
[  152.493734][   T12]  ? snapshot_read.cold (user.c:?)
[  152.493739][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  152.493743][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  152.493747][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  152.493750][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  152.493754][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.493756][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  152.493759][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  152.493762][   T12]  ? 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)
[  152.493764][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  152.493768][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  152.493772][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  152.493779][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  152.493782][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  152.493786][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  152.493790][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  152.493794][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  152.493795][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  152.493799][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  152.493804][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  152.493807][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  152.493811][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  152.493813][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  152.493817][   T12]  process_one_work (kernel/workqueue.c:3387)
[  152.493824][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  152.493827][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  152.493834][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  152.493842][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  152.493844][   T12]  kthread (kernel/kthread.c:436)
[  152.493846][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  152.493850][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  152.493853][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  152.493856][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  152.493859][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  152.493863][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  152.493866][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  153.877522][ T3640] softirqs last disabled at (28380): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  153.877525][ T3640] Preemption disabled at:
| [  153.877526][ T3640] vprintk_emit (kernel/printk/printk.c:2471)
| [  153.877535][ T3640] Tainted: [W]=WARN
[  153.877537][ T3640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  153.877539][ T3640] Call Trace:
[  153.877540][ T3640]  <TASK>
[  153.877542][ T3640]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  153.877549][ T3640]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  153.877550][ T3640]  __might_resched.cold (kernel/sched/core.c:9234)
[  153.877555][ T3640]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  153.877560][ T3640]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  153.877564][ T3640]  __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))
[  153.877566][ T3640]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.877574][ T3640]  ? 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)
[  153.877577][ T3640]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  153.877582][ T3640]  put_chars (drivers/char/virtio_console.c:1176)
[  153.877585][ T3640]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  153.877591][ T3640]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  153.877600][ T3640]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  153.877603][ T3640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.877608][ T3640]  console_emit_next_record (kernel/printk/printk.c:3183)
[  153.877612][ T3640]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  153.877614][ T3640]  ? 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))
[  153.877618][ T3640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.877621][ T3640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.877626][ T3640]  console_flush_one_record (kernel/printk/printk.c:3268)
[  153.877631][ T3640]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  153.877633][ T3640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.877640][ T3640]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  153.877643][ T3640]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  153.877645][ T3640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.877647][ T3640]  ? 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)
[  153.877651][ T3640]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  153.877653][ T3640]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  153.877656][ T3640]  vprintk_emit (kernel/printk/printk.c:2479)
[  153.877660][ T3640]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  153.877663][ T3640]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  153.877669][ T3640]  _printk (kernel/printk/printk.c:2504)
[  153.877673][ T3640]  ? snapshot_read.cold (user.c:?)
[  153.877675][ T3640]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  153.877678][ T3640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  153.877681][ T3640]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  153.877683][ T3640]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  153.877687][ T3640]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  153.877690][ T3640]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  153.877693][ T3640]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  153.877696][ T3640]  ? netdev_notice (net/core/dev.c:13194)
[  153.877699][ T3640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  153.877702][ T3640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  153.877705][ T3640]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  153.877710][ T3640]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  153.877713][ T3640]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  153.877715][ T3640]  ? register_netdev (net/core/dev.c:11618)
[  153.877717][ T3640]  ? 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))
[  153.877728][ T3640]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  153.877731][ T3640]  ? __kernel_text_address (kernel/extable.c:79)
[  153.877734][ T3640]  ? write_profile (profile.c:?)
[  153.877738][ T3640]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  153.877745][ T3640]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  153.877749][ T3640]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  153.877751][ T3640]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  153.877753][ T3640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  153.877755][ T3640]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  153.877759][ T3640]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  153.877761][ T3640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  153.877763][ T3640]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  153.877766][ T3640]  ? kasan_save_stack (mm/kasan/common.c:58)
[  153.877768][ T3640]  ? kasan_save_stack (mm/kasan/common.c:57)
[  153.877770][ T3640]  ? kasan_save_track (mm/kasan/common.c:78)
[  153.877771][ T3640]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  153.877774][ T3640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.877776][ T3640]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  153.877780][ T3640]  ? ___sys_sendmsg (net/socket.c:2758)
[  153.877784][ T3640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  153.877786][ T3640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  153.877789][ T3640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.877791][ T3640]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  153.877793][ T3640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.877794][ T3640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.877796][ T3640]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  153.877799][ T3640]  ? __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)
[  153.877800][ T3640]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  153.877803][ T3640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  153.877806][ T3640]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  153.877808][ T3640]  ? nla_get_range_signed (lib/nlattr.c:270)
[  153.877814][ T3640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.877817][ T3640]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  153.877822][ T3640]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  153.877828][ T3640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  153.877831][ T3640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.877836][ T3640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  153.877838][ T3640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  153.877840][ T3640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  153.877842][ T3640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  153.877846][ T3640]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  153.877849][ T3640]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  153.877852][ T3640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  153.877854][ T3640]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  153.877859][ T3640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  153.877861][ T3640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  153.877865][ T3640]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  153.877868][ T3640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  153.877871][ T3640]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  153.877877][ T3640]  ? 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))
[  153.877880][ T3640]  ? 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))
[  153.877884][ T3640]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  153.877888][ T3640]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  153.877891][ T3640]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  153.877897][ T3640]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  153.877902][ T3640]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  153.877906][ T3640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  153.877908][ T3640]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  153.877913][ T3640]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  153.877916][ T3640]  ____sys_sendmsg (net/socket.c:2713)
[  153.877919][ T3640]  ? copy_msghdr_from_user (net/socket.c:2650)
[  153.877921][ T3640]  ? sock_write_iter (net/socket.c:1269)
[  153.877923][ T3640]  ? move_addr_to_kernel (net/socket.c:258)
[  153.877931][ T3640]  ___sys_sendmsg (net/socket.c:2767)
[  153.877935][ T3640]  ? copy_msghdr_from_user (net/socket.c:2619)
[  153.877953][ T3640]  __sys_sendmsg (net/socket.c:2799)
[  153.877956][ T3640]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  153.877963][ T3640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  153.877967][ T3640]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  153.877970][ T3640]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  153.877973][ T3640]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  153.877976][ T3640] RIP: 0033:0x7f3433d2d54e
[  153.877981][ T3640] 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
[  153.877984][ T3640] RSP: 002b:00007ffd7a4328e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  153.877988][ T3640] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3433d2d54e
[  153.877991][ T3640] RDX: 0000000000000000 RSI: 00007ffd7a432990 RDI: 0000000000000005
[  153.877994][ T3640] RBP: 00007ffd7a4328f0 R08: 0000000000000000 R09: 0000000000000000
[  153.877996][ T3640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915093
[  153.877998][ T3640] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7a433050
| [  154.893825][ T3684] softirqs last disabled at (24438): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  154.893829][ T3684] Preemption disabled at:
| [  154.893830][ T3684] vprintk_emit (kernel/printk/printk.c:2471)
| [  154.893842][ T3684] Tainted: [W]=WARN
[  154.893844][ T3684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  154.893846][ T3684] Call Trace:
[  154.893849][ T3684]  <TASK>
[  154.893851][ T3684]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  154.893859][ T3684]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  154.893862][ T3684]  __might_resched.cold (kernel/sched/core.c:9234)
[  154.893869][ T3684]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  154.893875][ T3684]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  154.893882][ T3684]  __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))
[  154.893886][ T3684]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  154.893896][ T3684]  ? 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)
[  154.893900][ T3684]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  154.893906][ T3684]  put_chars (drivers/char/virtio_console.c:1176)
[  154.893910][ T3684]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  154.893912][ T3684]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  154.893918][ T3684]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  154.893923][ T3684]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  154.893931][ T3684]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  154.893937][ T3684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  154.893946][ T3684]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  154.893951][ T3684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.893960][ T3684]  console_emit_next_record (kernel/printk/printk.c:3183)
[  154.893967][ T3684]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  154.893970][ T3684]  ? 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))
[  154.893976][ T3684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.893979][ T3684]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  154.893986][ T3684]  console_flush_one_record (kernel/printk/printk.c:3268)
[  154.893993][ T3684]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  154.893996][ T3684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  154.894006][ T3684]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  154.894011][ T3684]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  154.894014][ T3684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894017][ T3684]  ? 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)
[  154.894024][ T3684]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  154.894026][ T3684]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  154.894031][ T3684]  vprintk_emit (kernel/printk/printk.c:2479)
[  154.894037][ T3684]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  154.894040][ T3684]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  154.894045][ T3684]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  154.894051][ T3684]  _printk (kernel/printk/printk.c:2504)
[  154.894056][ T3684]  ? snapshot_read.cold (user.c:?)
[  154.894063][ T3684]  ? br_multicast_flood (??:?)
[  154.894067][ T3684]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  154.894069][ T3684]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  154.894072][ T3684]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  154.894080][ T3684]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  154.894087][ T3684]  br_init_port (net/bridge/br_stp_if.c:39)
[  154.894091][ T3684]  new_nbp (net/bridge/br_if.c:449)
[  154.894097][ T3684]  br_add_if (net/bridge/br_if.c:592)
[  154.894101][ T3684]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  154.894113][ T3684]  do_set_master (net/core/rtnetlink.c:3071)
[  154.894119][ T3684]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  154.894126][ T3684]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  154.894129][ T3684]  ? __dev_get_by_name (net/core/dev.c:905)
[  154.894132][ T3684]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  154.894149][ T3684]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  154.894161][ T3684]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  154.894171][ T3684]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  154.894174][ T3684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  154.894187][ T3684]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  154.894194][ T3684]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  154.894198][ T3684]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  154.894204][ T3684]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  154.894206][ T3684]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  154.894215][ T3684]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  154.894218][ T3684]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  154.894225][ T3684]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  154.894229][ T3684]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  154.894235][ T3684]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  154.894247][ T3684]  ? 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))
[  154.894250][ T3684]  ? 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))
[  154.894259][ T3684]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  154.894266][ T3684]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  154.894277][ T3684]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  154.894284][ T3684]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  154.894291][ T3684]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  154.894294][ T3684]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  154.894303][ T3684]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  154.894309][ T3684]  ____sys_sendmsg (net/socket.c:2713)
[  154.894313][ T3684]  ? copy_msghdr_from_user (net/socket.c:2650)
[  154.894317][ T3684]  ? sock_write_iter (net/socket.c:1269)
[  154.894319][ T3684]  ? move_addr_to_kernel (net/socket.c:258)
[  154.894328][ T3684]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  154.894332][ T3684]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  154.894339][ T3684]  ___sys_sendmsg (net/socket.c:2767)
[  154.894341][ T3684]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  154.894346][ T3684]  ? copy_msghdr_from_user (net/socket.c:2619)
[  154.894350][ T3684]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  154.894379][ T3684]  __sys_sendmsg (net/socket.c:2799)
[  154.894384][ T3684]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  154.894394][ T3684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894397][ T3684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  154.894406][ T3684]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  154.894411][ T3684]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  154.894416][ T3684]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  154.894420][ T3684] RIP: 0033:0x7fd48f7be54e
[  154.894426][ T3684] 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
[  154.894429][ T3684] RSP: 002b:00007ffd21776950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  154.894433][ T3684] RAX: ffffffffffffffda RBX: 00007ffd21777118 RCX: 00007fd48f7be54e
[  154.894435][ T3684] RDX: 0000000000000000 RSI: 00007ffd21776a00 RDI: 0000000000000005
[  154.894437][ T3684] RBP: 00007ffd21776960 R08: 0000000000000000 R09: 0000000000000000
[  154.894438][ T3684] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915094
[  154.894440][ T3684] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd217770d0
| [  156.278353][ T3714] softirqs last disabled at (18724): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  156.278355][ T3714] Preemption disabled at:
| [  156.278356][ T3714] vprintk_emit (kernel/printk/printk.c:2471)
| [  156.278364][ T3714] Tainted: [W]=WARN
[  156.278365][ T3714] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  156.278367][ T3714] Call Trace:
[  156.278369][ T3714]  <TASK>
[  156.278371][ T3714]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  156.278377][ T3714]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  156.278379][ T3714]  __might_resched.cold (kernel/sched/core.c:9234)
[  156.278384][ T3714]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  156.278388][ T3714]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  156.278393][ T3714]  __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))
[  156.278395][ T3714]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  156.278403][ T3714]  ? 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)
[  156.278406][ T3714]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  156.278410][ T3714]  put_chars (drivers/char/virtio_console.c:1176)
[  156.278413][ T3714]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  156.278415][ T3714]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  156.278419][ T3714]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  156.278422][ T3714]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  156.278427][ T3714]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  156.278431][ T3714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  156.278436][ T3714]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  156.278439][ T3714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.278444][ T3714]  console_emit_next_record (kernel/printk/printk.c:3183)
[  156.278448][ T3714]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  156.278451][ T3714]  ? 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))
[  156.278454][ T3714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.278456][ T3714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  156.278460][ T3714]  console_flush_one_record (kernel/printk/printk.c:3268)
[  156.278464][ T3714]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  156.278466][ T3714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  156.278472][ T3714]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  156.278475][ T3714]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  156.278477][ T3714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.278479][ T3714]  ? 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)
[  156.278483][ T3714]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  156.278484][ T3714]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  156.278487][ T3714]  vprintk_emit (kernel/printk/printk.c:2479)
[  156.278491][ T3714]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  156.278493][ T3714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  156.278495][ T3714]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  156.278499][ T3714]  _printk (kernel/printk/printk.c:2504)
[  156.278503][ T3714]  ? snapshot_read.cold (user.c:?)
[  156.278507][ T3714]  ? br_multicast_flood (??:?)
[  156.278510][ T3714]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  156.278511][ T3714]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  156.278512][ T3714]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  156.278517][ T3714]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  156.278521][ T3714]  br_init_port (net/bridge/br_stp_if.c:39)
[  156.278524][ T3714]  new_nbp (net/bridge/br_if.c:449)
[  156.278528][ T3714]  br_add_if (net/bridge/br_if.c:592)
[  156.278530][ T3714]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  156.278538][ T3714]  do_set_master (net/core/rtnetlink.c:3071)
[  156.278541][ T3714]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  156.278545][ T3714]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  156.278547][ T3714]  ? __dev_get_by_name (net/core/dev.c:905)
[  156.278549][ T3714]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  156.278558][ T3714]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  156.278565][ T3714]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  156.278571][ T3714]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  156.278573][ T3714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  156.278580][ T3714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  156.278583][ T3714]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  156.278586][ T3714]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  156.278589][ T3714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  156.278590][ T3714]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  156.278595][ T3714]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  156.278597][ T3714]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  156.278601][ T3714]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  156.278604][ T3714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  156.278607][ T3714]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  156.278614][ T3714]  ? 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))
[  156.278616][ T3714]  ? 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))
[  156.278621][ T3714]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  156.278625][ T3714]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  156.278631][ T3714]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  156.278635][ T3714]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  156.278639][ T3714]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  156.278641][ T3714]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  156.278647][ T3714]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  156.278650][ T3714]  ____sys_sendmsg (net/socket.c:2713)
[  156.278653][ T3714]  ? copy_msghdr_from_user (net/socket.c:2650)
[  156.278655][ T3714]  ? sock_write_iter (net/socket.c:1269)
[  156.278657][ T3714]  ? move_addr_to_kernel (net/socket.c:258)
[  156.278662][ T3714]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  156.278664][ T3714]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  156.278668][ T3714]  ___sys_sendmsg (net/socket.c:2767)
[  156.278670][ T3714]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  156.278673][ T3714]  ? copy_msghdr_from_user (net/socket.c:2619)
[  156.278676][ T3714]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  156.278691][ T3714]  __sys_sendmsg (net/socket.c:2799)
[  156.278694][ T3714]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  156.278700][ T3714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.278702][ T3714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  156.278705][ T3714]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  156.278709][ T3714]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  156.278712][ T3714]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  156.278714][ T3714] RIP: 0033:0x7f8304d0c54e
[  156.278718][ T3714] 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
[  156.278720][ T3714] RSP: 002b:00007ffcc2166f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  156.278723][ T3714] RAX: ffffffffffffffda RBX: 00007ffcc2167758 RCX: 00007f8304d0c54e
[  156.278724][ T3714] RDX: 0000000000000000 RSI: 00007ffcc2167040 RDI: 0000000000000005
[  156.278725][ T3714] RBP: 00007ffcc2166fa0 R08: 0000000000000000 R09: 0000000000000000
[  156.278726][ T3714] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915095
[  156.278727][ T3714] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc2167710
| [  157.808275][ T3751] softirqs last disabled at (23524): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [  157.808279][ T3751] Preemption disabled at:
| [  157.808280][ T3751] vprintk_emit (kernel/printk/printk.c:2471)
| [  157.808292][ T3751] Tainted: [W]=WARN
[  157.808293][ T3751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  157.808296][ T3751] Call Trace:
[  157.808298][ T3751]  <TASK>
[  157.808300][ T3751]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  157.808308][ T3751]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  157.808311][ T3751]  __might_resched.cold (kernel/sched/core.c:9234)
[  157.808318][ T3751]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  157.808324][ T3751]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  157.808331][ T3751]  __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))
[  157.808335][ T3751]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.808345][ T3751]  ? 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)
[  157.808349][ T3751]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  157.808355][ T3751]  put_chars (drivers/char/virtio_console.c:1176)
[  157.808360][ T3751]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  157.808372][ T3751]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  157.808385][ T3751]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  157.808390][ T3751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.808402][ T3751]  console_emit_next_record (kernel/printk/printk.c:3183)
[  157.808410][ T3751]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  157.808413][ T3751]  ? 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))
[  157.808418][ T3751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.808423][ T3751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.808430][ T3751]  console_flush_one_record (kernel/printk/printk.c:3268)
[  157.808438][ T3751]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  157.808441][ T3751]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.808451][ T3751]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  157.808456][ T3751]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  157.808459][ T3751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.808462][ T3751]  ? 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)
[  157.808470][ T3751]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  157.808472][ T3751]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  157.808478][ T3751]  vprintk_emit (kernel/printk/printk.c:2479)
[  157.808484][ T3751]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  157.808489][ T3751]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  157.808498][ T3751]  _printk (kernel/printk/printk.c:2504)
[  157.808503][ T3751]  ? snapshot_read.cold (user.c:?)
[  157.808506][ T3751]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  157.808511][ T3751]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  157.808516][ T3751]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  157.808519][ T3751]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  157.808525][ T3751]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  157.808530][ T3751]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  157.808534][ T3751]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  157.808539][ T3751]  ? netdev_notice (net/core/dev.c:13194)
[  157.808544][ T3751]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.808549][ T3751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.808554][ T3751]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  157.808560][ T3751]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  157.808565][ T3751]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  157.808568][ T3751]  ? register_netdev (net/core/dev.c:11618)
[  157.808571][ T3751]  ? 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))
[  157.808580][ T3751]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  157.808584][ T3751]  ? __kernel_text_address (kernel/extable.c:79)
[  157.808588][ T3751]  ? write_profile (profile.c:?)
[  157.808594][ T3751]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  157.808604][ T3751]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  157.808610][ T3751]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  157.808614][ T3751]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  157.808616][ T3751]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  157.808619][ T3751]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  157.808625][ T3751]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  157.808628][ T3751]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  157.808632][ T3751]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  157.808636][ T3751]  ? kasan_save_stack (mm/kasan/common.c:58)
[  157.808639][ T3751]  ? kasan_save_stack (mm/kasan/common.c:57)
[  157.808641][ T3751]  ? kasan_save_track (mm/kasan/common.c:78)
[  157.808644][ T3751]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  157.808648][ T3751]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.808652][ T3751]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[  157.808656][ T3751]  ? ___sys_sendmsg (net/socket.c:2758)
[  157.808663][ T3751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  157.808666][ T3751]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  157.808671][ T3751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.808675][ T3751]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  157.808677][ T3751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.808680][ T3751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.808683][ T3751]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  157.808687][ T3751]  ? __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)
[  157.808690][ T3751]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  157.808694][ T3751]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  157.808701][ T3751]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  157.808703][ T3751]  ? nla_get_range_signed (lib/nlattr.c:270)
[  157.808711][ T3751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.808716][ T3751]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  157.808726][ T3751]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  157.808737][ T3751]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.808741][ T3751]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.808776][ T3751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  157.808779][ T3751]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.808782][ T3751]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.808786][ T3751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.808793][ T3751]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  157.808797][ T3751]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  157.808803][ T3751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  157.808805][ T3751]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  157.808811][ T3751]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  157.808814][ T3751]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.808818][ T3751]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  157.808821][ T3751]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  157.808824][ T3751]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  157.808830][ T3751]  ? 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))
[  157.808833][ T3751]  ? 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))
[  157.808837][ T3751]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  157.808842][ T3751]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  157.808845][ T3751]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  157.808850][ T3751]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  157.808854][ T3751]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  157.808858][ T3751]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  157.808859][ T3751]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  157.808865][ T3751]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  157.808868][ T3751]  ____sys_sendmsg (net/socket.c:2713)
[  157.808870][ T3751]  ? copy_msghdr_from_user (net/socket.c:2650)
[  157.808873][ T3751]  ? sock_write_iter (net/socket.c:1269)
[  157.808874][ T3751]  ? move_addr_to_kernel (net/socket.c:258)
[  157.808882][ T3751]  ___sys_sendmsg (net/socket.c:2767)
[  157.808885][ T3751]  ? copy_msghdr_from_user (net/socket.c:2619)
[  157.808901][ T3751]  __sys_sendmsg (net/socket.c:2799)
[  157.808904][ T3751]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  157.808911][ T3751]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  157.808914][ T3751]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  157.808917][ T3751]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  157.808920][ T3751]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  157.808922][ T3751] RIP: 0033:0x7faefd0cd54e
[  157.808926][ T3751] 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
[  157.808928][ T3751] RSP: 002b:00007ffd7feb77f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  157.808931][ T3751] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007faefd0cd54e
[  157.808933][ T3751] RDX: 0000000000000000 RSI: 00007ffd7feb78a0 RDI: 0000000000000005
[  157.808934][ T3751] RBP: 00007ffd7feb7800 R08: 0000000000000000 R09: 0000000000000000
[  157.808935][ T3751] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915097
[  157.808936][ T3751] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7feb7f60
| [  160.017036][ T3826] softirqs last disabled at (18194): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [  160.017038][ T3826] Preemption disabled at:
| [  160.017039][ T3826] vprintk_emit (kernel/printk/printk.c:2471)
| [  160.017047][ T3826] Tainted: [W]=WARN
[  160.017048][ T3826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  160.017050][ T3826] Call Trace:
[  160.017052][ T3826]  <TASK>
[  160.017053][ T3826]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  160.017060][ T3826]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  160.017062][ T3826]  __might_resched.cold (kernel/sched/core.c:9234)
[  160.017066][ T3826]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  160.017071][ T3826]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[  160.017075][ T3826]  __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))
[  160.017077][ T3826]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.017084][ T3826]  ? 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)
[  160.017087][ T3826]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  160.017091][ T3826]  put_chars (drivers/char/virtio_console.c:1176)
[  160.017094][ T3826]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  160.017095][ T3826]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[  160.017099][ T3826]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  160.017102][ T3826]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[  160.017108][ T3826]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  160.017112][ T3826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.017117][ T3826]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  160.017121][ T3826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.017126][ T3826]  console_emit_next_record (kernel/printk/printk.c:3183)
[  160.017130][ T3826]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  160.017132][ T3826]  ? 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))
[  160.017135][ T3826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.017137][ T3826]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.017142][ T3826]  console_flush_one_record (kernel/printk/printk.c:3268)
[  160.017146][ T3826]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  160.017148][ T3826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.017154][ T3826]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  160.017157][ T3826]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  160.017159][ T3826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.017161][ T3826]  ? 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)
[  160.017165][ T3826]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  160.017167][ T3826]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  160.017170][ T3826]  vprintk_emit (kernel/printk/printk.c:2479)
[  160.017173][ T3826]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  160.017175][ T3826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.017178][ T3826]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[  160.017182][ T3826]  _printk (kernel/printk/printk.c:2504)
[  160.017186][ T3826]  ? snapshot_read.cold (user.c:?)
[  160.017190][ T3826]  ? br_multicast_flood (??:?)
[  160.017193][ T3826]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  160.017195][ T3826]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  160.017196][ T3826]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.017201][ T3826]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  160.017205][ T3826]  br_init_port (net/bridge/br_stp_if.c:39)
[  160.017208][ T3826]  new_nbp (net/bridge/br_if.c:449)
[  160.017212][ T3826]  br_add_if (net/bridge/br_if.c:592)
[  160.017214][ T3826]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  160.017222][ T3826]  do_set_master (net/core/rtnetlink.c:3071)
[  160.017226][ T3826]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  160.017230][ T3826]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  160.017232][ T3826]  ? __dev_get_by_name (net/core/dev.c:905)
[  160.017234][ T3826]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  160.017244][ T3826]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  160.017251][ T3826]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  160.017257][ T3826]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.017259][ T3826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.017266][ T3826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.017270][ T3826]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  160.017272][ T3826]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  160.017275][ T3826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.017277][ T3826]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.017282][ T3826]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.017284][ T3826]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.017288][ T3826]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  160.017291][ T3826]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  160.017294][ T3826]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  160.017301][ T3826]  ? 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))
[  160.017303][ T3826]  ? 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))
[  160.017307][ T3826]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  160.017312][ T3826]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  160.017318][ T3826]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  160.017322][ T3826]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  160.017326][ T3826]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.017328][ T3826]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  160.017334][ T3826]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  160.017338][ T3826]  ____sys_sendmsg (net/socket.c:2713)
[  160.017340][ T3826]  ? copy_msghdr_from_user (net/socket.c:2650)
[  160.017343][ T3826]  ? sock_write_iter (net/socket.c:1269)
[  160.017344][ T3826]  ? move_addr_to_kernel (net/socket.c:258)
[  160.017349][ T3826]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  160.017352][ T3826]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.017356][ T3826]  ___sys_sendmsg (net/socket.c:2767)
[  160.017358][ T3826]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  160.017361][ T3826]  ? copy_msghdr_from_user (net/socket.c:2619)
[  160.017364][ T3826]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  160.017379][ T3826]  __sys_sendmsg (net/socket.c:2799)
[  160.017383][ T3826]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  160.017389][ T3826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.017390][ T3826]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.017394][ T3826]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  160.017398][ T3826]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  160.017403][ T3826]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  160.017405][ T3826] RIP: 0033:0x7ff0dc8db54e
[  160.017409][ T3826] 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
[  160.017411][ T3826] RSP: 002b:00007ffc279c0d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  160.017414][ T3826] RAX: ffffffffffffffda RBX: 00007ffc279c1528 RCX: 00007ff0dc8db54e
[  160.017416][ T3826] RDX: 0000000000000000 RSI: 00007ffc279c0e10 RDI: 0000000000000005
[  160.017417][ T3826] RBP: 00007ffc279c0d70 R08: 0000000000000000 R09: 0000000000000000
[  160.017418][ T3826] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915099
[  160.017419][ T3826] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc279c14e0
| [  160.020838][    C0]
| [  160.020838][    C0]
| [  160.020838][    C0] stack backtrace:
| [  160.020843][    C0] Tainted: [W]=WARN
[  160.020844][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  160.020845][    C0] Call Trace:
[  160.020846][    C0]  <IRQ>
[  160.020847][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  160.020851][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[  160.020854][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[  160.020856][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[  160.020859][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[  160.020861][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[  160.020863][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[  160.020865][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  160.020867][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  160.020869][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.020871][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  160.020873][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  160.020875][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[  160.020877][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[  160.020879][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  160.020881][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  160.020883][    C0]  _printk (kernel/printk/printk.c:2504)
[  160.020885][    C0]  ? snapshot_read.cold (user.c:?)
[  160.020887][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[  160.020888][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.020891][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[  160.020893][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  160.020894][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  160.020896][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[  160.020899][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[  160.020901][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[  160.020903][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  160.020905][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.020907][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.020909][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[  160.020911][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[  160.020913][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[  160.020915][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[  160.020918][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  160.020921][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[  160.020923][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[  160.020925][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  160.020928][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.020929][    C0]  handle_softirqs (kernel/softirq.c:645)
[  160.020931][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[  160.020933][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[  160.020936][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[  160.020937][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[  160.020939][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  160.020941][    C0]  </IRQ>
[  160.020941][    C0]  <TASK>
[  160.020942][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[  160.020944][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[  160.020945][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[  160.020947][    C0] Code: 48 8b 3d 94 82 68 02 e8 1f 00 00 00 48 2b 05 58 d3 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 06 0e 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 82 68 02 	mov    0x2688294(%rip),%rdi        # 0x268829b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 d3 a0 00 	sub    0xa0d358(%rip),%rax        # 0xa0d36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 06 0e 00 	verw   0xe0613(%rip)        # 0xe063b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[  160.020949][    C0] RSP: 0018:ffffffff8ca07cf8 EFLAGS: 00000296
[  160.020951][    C0] RAX: 0000000000758c6d RBX: ffffffff8ca30600 RCX: ffffffff89106247
[  160.020952][    C0] RDX: ffffffff8ca30600 RSI: ffffffff8c311027 RDI: ffffffff8bc949e0
[  160.020953][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[  160.020954][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1940fa2
[  160.020955][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[  160.020957][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  160.020959][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[  160.020961][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[  160.020963][    C0]  default_idle_call (kernel/sched/idle.c:122)
[  160.020964][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[  160.020966][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[  160.020968][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[  160.020971][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  160.020972][    C0]  do_idle (kernel/sched/idle.c:355)
[  160.020974][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[  160.020976][    C0]  rest_init (init/main.c:727)
[  160.020978][    C0]  ? __cpuidle_text_end (??:?)
[  160.020980][    C0]  ? rest_init (init/main.c:727)
[  160.020982][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[  160.020986][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[  160.020987][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[  160.020990][    C0]  start_kernel (init/main.c:1185)
[  160.020992][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[  160.020993][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[  160.020995][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [  167.287281][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  167.287284][   T12] Preemption disabled at:
| [  167.287285][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  167.287295][   T12] Tainted: [W]=WARN
[  167.287296][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  167.287298][   T12] Workqueue: netns cleanup_net
[  167.287304][   T12] Call Trace:
[  167.287305][   T12]  <TASK>
[  167.287307][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  167.287313][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  167.287314][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  167.287318][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  167.287320][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  167.287323][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.287326][   T12]  __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))
[  167.287329][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  167.287332][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.287337][   T12]  ? 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)
[  167.287339][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.287341][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  167.287343][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  167.287345][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  167.287348][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  167.287352][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  167.287354][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  167.287356][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  167.287358][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.287359][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.287361][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  167.287363][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  167.287366][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.287367][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.287368][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.287369][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.287371][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  167.287373][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  167.287376][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  167.287378][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  167.287380][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.287382][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  167.287384][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.287385][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  167.287387][   T12]  ? 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)
[  167.287388][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  167.287390][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  167.287392][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  167.287393][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  167.287395][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  167.287396][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  167.287402][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  167.287405][   T12]  ? kthread (kernel/kthread.c:436)
[  167.287407][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  167.287410][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  167.287412][   T12]  _printk (kernel/printk/printk.c:2504)
[  167.287415][   T12]  ? snapshot_read.cold (user.c:?)
[  167.287418][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  167.287421][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  167.287423][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  167.287426][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  167.287428][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.287430][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  167.287431][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  167.287434][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  167.287436][   T12]  ? 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)
[  167.287437][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  167.287439][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  167.287442][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  167.287446][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  167.287448][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  167.287450][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  167.287453][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  167.287454][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  167.287457][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  167.287459][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  167.287461][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  167.287463][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.287465][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.287467][   T12]  process_one_work (kernel/workqueue.c:3387)
[  167.287470][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  167.287472][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  167.287474][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  167.287477][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  167.287480][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  167.287481][   T12]  kthread (kernel/kthread.c:436)
[  167.287483][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  167.287485][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  167.287487][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  167.287489][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  167.287491][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  167.287494][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  167.287496][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  168.733518][ T4085] softirqs last disabled at (0): 0x0
| [  168.733520][ T4085] Preemption disabled at:
| [  168.733520][ T4085] vprintk_emit (kernel/printk/printk.c:2471)
| [  168.733530][ T4085] Tainted: [W]=WARN
[  168.733532][ T4085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  168.733533][ T4085] Call Trace:
[  168.733535][ T4085]  <TASK>
[  168.733536][ T4085]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  168.733542][ T4085]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  168.733543][ T4085]  __might_resched.cold (kernel/sched/core.c:9234)
[  168.733547][ T4085]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  168.733549][ T4085]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  168.733553][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733555][ T4085]  __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))
[  168.733558][ T4085]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.733562][ T4085]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.733567][ T4085]  ? 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)
[  168.733569][ T4085]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  168.733571][ T4085]  put_chars (drivers/char/virtio_console.c:1176)
[  168.733573][ T4085]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  168.733575][ T4085]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  168.733578][ T4085]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  168.733582][ T4085]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  168.733584][ T4085]  ? vsnprintf (lib/vsprintf.c:2900)
[  168.733587][ T4085]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.733589][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733590][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733592][ T4085]  console_emit_next_record (kernel/printk/printk.c:3183)
[  168.733595][ T4085]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  168.733597][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733598][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733599][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733600][ T4085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.733603][ T4085]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  168.733605][ T4085]  console_flush_one_record (kernel/printk/printk.c:3268)
[  168.733607][ T4085]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  168.733610][ T4085]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  168.733612][ T4085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.733613][ T4085]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  168.733615][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733616][ T4085]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.733618][ T4085]  ? 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)
[  168.733619][ T4085]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  168.733621][ T4085]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  168.733623][ T4085]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  168.733624][ T4085]  vprintk_emit (kernel/printk/printk.c:2479)
[  168.733626][ T4085]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  168.733627][ T4085]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  168.733629][ T4085]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  168.733632][ T4085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.733633][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733635][ T4085]  _printk (kernel/printk/printk.c:2504)
[  168.733638][ T4085]  ? snapshot_read.cold (user.c:?)
[  168.733640][ T4085]  ? br_multicast_flood (??:?)
[  168.733643][ T4085]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  168.733646][ T4085]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  168.733647][ T4085]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  168.733649][ T4085]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  168.733652][ T4085]  br_init_port (net/bridge/br_stp_if.c:39)
[  168.733654][ T4085]  new_nbp (net/bridge/br_if.c:449)
[  168.733656][ T4085]  br_add_if (net/bridge/br_if.c:592)
[  168.733658][ T4085]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  168.733662][ T4085]  do_set_master (net/core/rtnetlink.c:3071)
[  168.733664][ T4085]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  168.733666][ T4085]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  168.733667][ T4085]  ? __dev_get_by_name (net/core/dev.c:905)
[  168.733669][ T4085]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  168.733673][ T4085]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  168.733675][ T4085]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  168.733677][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733679][ T4085]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.733680][ T4085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.733682][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733683][ T4085]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  168.733686][ T4085]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  168.733688][ T4085]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  168.733690][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733691][ T4085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.733693][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733694][ T4085]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  168.733695][ T4085]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  168.733697][ T4085]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.733698][ T4085]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  168.733700][ T4085]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  168.733704][ T4085]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  168.733707][ T4085]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  168.733708][ T4085]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.733710][ T4085]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  168.733712][ T4085]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  168.733715][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733716][ T4085]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  168.733718][ T4085]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  168.733720][ T4085]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  168.733722][ T4085]  ? next_uptodate_folio (mm/filemap.c:3747)
[  168.733725][ T4085]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  168.733727][ T4085]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  168.733729][ T4085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.733731][ T4085]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  168.733734][ T4085]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  168.733737][ T4085]  ____sys_sendmsg (net/socket.c:2713)
[  168.733739][ T4085]  ? copy_msghdr_from_user (net/socket.c:2650)
[  168.733741][ T4085]  ? sock_write_iter (net/socket.c:1269)
[  168.733742][ T4085]  ? move_addr_to_kernel (net/socket.c:258)
[  168.733744][ T4085]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  168.733747][ T4085]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  168.733749][ T4085]  ___sys_sendmsg (net/socket.c:2767)
[  168.733750][ T4085]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  168.733752][ T4085]  ? copy_msghdr_from_user (net/socket.c:2619)
[  168.733754][ T4085]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  168.733759][ T4085]  __sys_sendmsg (net/socket.c:2799)
[  168.733761][ T4085]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  168.733763][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733765][ T4085]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  168.733766][ T4085]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  168.733769][ T4085]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  168.733771][ T4085]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  168.733773][ T4085] RIP: 0033:0x7f34f4e5954e
[  168.733775][ T4085] 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
[  168.733777][ T4085] RSP: 002b:00007ffdf544d830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  168.733781][ T4085] RAX: ffffffffffffffda RBX: 00007ffdf544dff8 RCX: 00007f34f4e5954e
[  168.733782][ T4085] RDX: 0000000000000000 RSI: 00007ffdf544d8e0 RDI: 0000000000000005
[  168.733783][ T4085] RBP: 00007ffdf544d840 R08: 0000000000000000 R09: 0000000000000000
[  168.733784][ T4085] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150a2
[  168.733785][ T4085] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf544dfb0
| [  170.205123][ T4154] softirqs last disabled at (0): 0x0
| [  170.205125][ T4154] Preemption disabled at:
| [  170.205126][ T4154] vprintk_emit (kernel/printk/printk.c:2471)
| [  170.205136][ T4154] Tainted: [W]=WARN
[  170.205137][ T4154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  170.205139][ T4154] Call Trace:
[  170.205141][ T4154]  <TASK>
[  170.205142][ T4154]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  170.205148][ T4154]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  170.205149][ T4154]  __might_resched.cold (kernel/sched/core.c:9234)
[  170.205153][ T4154]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  170.205157][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205160][ T4154]  __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))
[  170.205163][ T4154]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.205166][ T4154]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.205171][ T4154]  ? 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)
[  170.205173][ T4154]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.205176][ T4154]  put_chars (drivers/char/virtio_console.c:1176)
[  170.205178][ T4154]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  170.205179][ T4154]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  170.205181][ T4154]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  170.205184][ T4154]  ? pointer (lib/vsprintf.c:2577)
[  170.205187][ T4154]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  170.205192][ T4154]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  170.205194][ T4154]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.205196][ T4154]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.205199][ T4154]  console_emit_next_record (kernel/printk/printk.c:3183)
[  170.205202][ T4154]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  170.205204][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205205][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205206][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205207][ T4154]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.205210][ T4154]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  170.205212][ T4154]  console_flush_one_record (kernel/printk/printk.c:3268)
[  170.205214][ T4154]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  170.205217][ T4154]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  170.205219][ T4154]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.205221][ T4154]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  170.205223][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205224][ T4154]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.205226][ T4154]  ? 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)
[  170.205227][ T4154]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  170.205229][ T4154]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  170.205231][ T4154]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  170.205233][ T4154]  vprintk_emit (kernel/printk/printk.c:2479)
[  170.205234][ T4154]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  170.205236][ T4154]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  170.205238][ T4154]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  170.205241][ T4154]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  170.205244][ T4154]  _printk (kernel/printk/printk.c:2504)
[  170.205247][ T4154]  ? snapshot_read.cold (user.c:?)
[  170.205249][ T4154]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  170.205252][ T4154]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  170.205255][ T4154]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  170.205257][ T4154]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  170.205261][ T4154]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  170.205263][ T4154]  ? netdev_notice (net/core/dev.c:13194)
[  170.205266][ T4154]  ? 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)
[  170.205267][ T4154]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  170.205270][ T4154]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.205272][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205273][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205274][ T4154]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  170.205276][ T4154]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  170.205277][ T4154]  ? 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)
[  170.205279][ T4154]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  170.205280][ T4154]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  170.205282][ T4154]  ? register_netdev (net/core/dev.c:11618)
[  170.205283][ T4154]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.205286][ T4154]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  170.205289][ T4154]  ? __kernel_text_address (kernel/extable.c:79)
[  170.205291][ T4154]  ? write_profile (profile.c:?)
[  170.205294][ T4154]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  170.205298][ T4154]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  170.205300][ T4154]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  170.205302][ T4154]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  170.205303][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205304][ T4154]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  170.205308][ T4154]  ? kasan_save_stack (mm/kasan/common.c:58)
[  170.205310][ T4154]  ? kasan_save_stack (mm/kasan/common.c:57)
[  170.205311][ T4154]  ? kasan_save_track (mm/kasan/common.c:78)
[  170.205312][ T4154]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  170.205314][ T4154]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  170.205315][ T4154]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  170.205316][ T4154]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  170.205317][ T4154]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  170.205320][ T4154]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  170.205322][ T4154]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  170.205324][ T4154]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  170.205326][ T4154]  ? ____sys_sendmsg (net/socket.c:2713)
[  170.205328][ T4154]  ? ___sys_sendmsg (net/socket.c:2767)
[  170.205329][ T4154]  ? __sys_sendmsg (net/socket.c:2799)
[  170.205331][ T4154]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  170.205334][ T4154]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.205336][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205337][ T4154]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.205339][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205340][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205341][ T4154]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  170.205343][ T4154]  ? __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)
[  170.205344][ T4154]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  170.205345][ T4154]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  170.205347][ T4154]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  170.205348][ T4154]  ? nla_get_range_signed (lib/nlattr.c:270)
[  170.205352][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205354][ T4154]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  170.205356][ T4154]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  170.205358][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205360][ T4154]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  170.205361][ T4154]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.205363][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205364][ T4154]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  170.205366][ T4154]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  170.205368][ T4154]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  170.205370][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205371][ T4154]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  170.205375][ T4154]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  170.205377][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205378][ T4154]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.205380][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205381][ T4154]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  170.205383][ T4154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  170.205385][ T4154]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.205386][ T4154]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  170.205388][ T4154]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  170.205391][ T4154]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  170.205392][ T4154]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.205394][ T4154]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.205396][ T4154]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  170.205397][ T4154]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  170.205403][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205404][ T4154]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.205407][ T4154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  170.205410][ T4154]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  170.205412][ T4154]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.205414][ T4154]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  170.205416][ T4154]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  170.205418][ T4154]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  170.205420][ T4154]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.205422][ T4154]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  170.205425][ T4154]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  170.205427][ T4154]  ____sys_sendmsg (net/socket.c:2713)
[  170.205429][ T4154]  ? copy_msghdr_from_user (net/socket.c:2650)
[  170.205431][ T4154]  ? sock_write_iter (net/socket.c:1269)
[  170.205432][ T4154]  ? move_addr_to_kernel (net/socket.c:258)
[  170.205434][ T4154]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  170.205437][ T4154]  ___sys_sendmsg (net/socket.c:2767)
[  170.205439][ T4154]  ? copy_msghdr_from_user (net/socket.c:2619)
[  170.205444][ T4154]  __sys_sendmsg (net/socket.c:2799)
[  170.205446][ T4154]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  170.205449][ T4154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.205451][ T4154]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  170.205453][ T4154]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  170.205455][ T4154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.205457][ T4154] RIP: 0033:0x7fd3a104c54e
[  170.205459][ T4154] 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
[  170.205461][ T4154] RSP: 002b:00007ffe261c8df0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  170.205465][ T4154] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd3a104c54e
[  170.205466][ T4154] RDX: 0000000000000000 RSI: 00007ffe261c8ea0 RDI: 0000000000000005
[  170.205467][ T4154] RBP: 00007ffe261c8e00 R08: 0000000000000000 R09: 0000000000000000
[  170.205468][ T4154] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150a3
[  170.205469][ T4154] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe261c9560
| [  171.505047][ T4204] softirqs last disabled at (0): 0x0
| [  171.505048][ T4204] Preemption disabled at:
| [  171.505049][ T4204] vprintk_emit (kernel/printk/printk.c:2471)
| [  171.505059][ T4204] Tainted: [W]=WARN
[  171.505061][ T4204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  171.505062][ T4204] Call Trace:
[  171.505064][ T4204]  <TASK>
[  171.505065][ T4204]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  171.505071][ T4204]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  171.505073][ T4204]  __might_resched.cold (kernel/sched/core.c:9234)
[  171.505077][ T4204]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  171.505079][ T4204]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  171.505083][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505086][ T4204]  __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))
[  171.505089][ T4204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.505092][ T4204]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.505097][ T4204]  ? 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)
[  171.505099][ T4204]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  171.505102][ T4204]  put_chars (drivers/char/virtio_console.c:1176)
[  171.505103][ T4204]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  171.505106][ T4204]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  171.505108][ T4204]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  171.505113][ T4204]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  171.505115][ T4204]  ? vsnprintf (lib/vsprintf.c:2900)
[  171.505118][ T4204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.505120][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505121][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505123][ T4204]  console_emit_next_record (kernel/printk/printk.c:3183)
[  171.505126][ T4204]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  171.505128][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505129][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505130][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505131][ T4204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.505134][ T4204]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  171.505136][ T4204]  console_flush_one_record (kernel/printk/printk.c:3268)
[  171.505138][ T4204]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  171.505141][ T4204]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  171.505145][ T4204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.505147][ T4204]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  171.505149][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505150][ T4204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.505152][ T4204]  ? 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)
[  171.505153][ T4204]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  171.505155][ T4204]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  171.505157][ T4204]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  171.505159][ T4204]  vprintk_emit (kernel/printk/printk.c:2479)
[  171.505161][ T4204]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  171.505162][ T4204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  171.505164][ T4204]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.505167][ T4204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.505168][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505170][ T4204]  _printk (kernel/printk/printk.c:2504)
[  171.505173][ T4204]  ? snapshot_read.cold (user.c:?)
[  171.505175][ T4204]  ? br_multicast_flood (??:?)
[  171.505179][ T4204]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  171.505182][ T4204]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  171.505184][ T4204]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  171.505185][ T4204]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  171.505188][ T4204]  br_init_port (net/bridge/br_stp_if.c:39)
[  171.505190][ T4204]  new_nbp (net/bridge/br_if.c:449)
[  171.505193][ T4204]  br_add_if (net/bridge/br_if.c:592)
[  171.505195][ T4204]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  171.505199][ T4204]  do_set_master (net/core/rtnetlink.c:3071)
[  171.505201][ T4204]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  171.505203][ T4204]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  171.505204][ T4204]  ? __dev_get_by_name (net/core/dev.c:905)
[  171.505206][ T4204]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  171.505210][ T4204]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  171.505213][ T4204]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  171.505215][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505216][ T4204]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  171.505218][ T4204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.505219][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505221][ T4204]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  171.505223][ T4204]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  171.505226][ T4204]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  171.505228][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505229][ T4204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.505231][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505232][ T4204]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  171.505233][ T4204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  171.505235][ T4204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.505236][ T4204]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  171.505238][ T4204]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  171.505242][ T4204]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  171.505245][ T4204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  171.505246][ T4204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.505248][ T4204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  171.505250][ T4204]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  171.505253][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505254][ T4204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  171.505257][ T4204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  171.505259][ T4204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  171.505261][ T4204]  ? next_uptodate_folio (mm/filemap.c:3747)
[  171.505264][ T4204]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  171.505266][ T4204]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  171.505268][ T4204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.505270][ T4204]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  171.505273][ T4204]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  171.505276][ T4204]  ____sys_sendmsg (net/socket.c:2713)
[  171.505278][ T4204]  ? copy_msghdr_from_user (net/socket.c:2650)
[  171.505280][ T4204]  ? sock_write_iter (net/socket.c:1269)
[  171.505281][ T4204]  ? move_addr_to_kernel (net/socket.c:258)
[  171.505284][ T4204]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  171.505286][ T4204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  171.505288][ T4204]  ___sys_sendmsg (net/socket.c:2767)
[  171.505290][ T4204]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  171.505292][ T4204]  ? copy_msghdr_from_user (net/socket.c:2619)
[  171.505293][ T4204]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  171.505298][ T4204]  __sys_sendmsg (net/socket.c:2799)
[  171.505300][ T4204]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  171.505303][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505304][ T4204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  171.505306][ T4204]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  171.505308][ T4204]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  171.505310][ T4204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  171.505312][ T4204] RIP: 0033:0x7f503457854e
[  171.505314][ T4204] 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
[  171.505316][ T4204] RSP: 002b:00007fffe2cb4e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  171.505320][ T4204] RAX: ffffffffffffffda RBX: 00007fffe2cb55d8 RCX: 00007f503457854e
[  171.505322][ T4204] RDX: 0000000000000000 RSI: 00007fffe2cb4ec0 RDI: 0000000000000005
[  171.505323][ T4204] RBP: 00007fffe2cb4e20 R08: 0000000000000000 R09: 0000000000000000
[  171.505324][ T4204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150a4
[  171.505325][ T4204] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe2cb5590
| [  178.768355][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  178.768358][   T12] Preemption disabled at:
| [  178.768359][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  178.768369][   T12] Tainted: [W]=WARN
[  178.768370][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  178.768372][   T12] Workqueue: netns cleanup_net
[  178.768378][   T12] Call Trace:
[  178.768380][   T12]  <TASK>
[  178.768381][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  178.768387][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  178.768388][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  178.768392][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  178.768394][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  178.768397][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.768403][   T12]  __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))
[  178.768406][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.768409][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.768414][   T12]  ? 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)
[  178.768416][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  178.768419][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  178.768421][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  178.768423][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  178.768425][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  178.768430][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  178.768432][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  178.768435][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.768437][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.768438][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.768439][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  178.768442][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  178.768444][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.768445][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.768446][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.768448][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.768450][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  178.768452][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  178.768454][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  178.768457][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  178.768459][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.768461][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  178.768462][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.768464][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  178.768465][   T12]  ? 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)
[  178.768467][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  178.768468][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  178.768470][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  178.768472][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  178.768473][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  178.768475][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  178.768476][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  178.768479][   T12]  ? kthread (kernel/kthread.c:436)
[  178.768481][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  178.768484][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  178.768487][   T12]  _printk (kernel/printk/printk.c:2504)
[  178.768490][   T12]  ? snapshot_read.cold (user.c:?)
[  178.768493][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  178.768496][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  178.768498][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  178.768501][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  178.768503][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.768504][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  178.768506][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  178.768509][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  178.768510][   T12]  ? 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)
[  178.768512][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  178.768514][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  178.768517][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  178.768521][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  178.768523][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  178.768525][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  178.768527][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  178.768529][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  178.768532][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  178.768534][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  178.768535][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  178.768538][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  178.768540][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  178.768542][   T12]  process_one_work (kernel/workqueue.c:3387)
[  178.768545][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  178.768547][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  178.768549][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  178.768551][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  178.768554][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  178.768556][   T12]  kthread (kernel/kthread.c:436)
[  178.768558][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  178.768559][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  178.768561][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  178.768563][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  178.768565][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  178.768568][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  178.768570][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  180.161563][ T4463] softirqs last disabled at (0): 0x0
| [  180.161565][ T4463] Preemption disabled at:
| [  180.161565][ T4463] vprintk_emit (kernel/printk/printk.c:2471)
| [  180.161575][ T4463] Tainted: [W]=WARN
[  180.161576][ T4463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  180.161578][ T4463] Call Trace:
[  180.161579][ T4463]  <TASK>
[  180.161581][ T4463]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  180.161587][ T4463]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  180.161588][ T4463]  __might_resched.cold (kernel/sched/core.c:9234)
[  180.161591][ T4463]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  180.161594][ T4463]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  180.161597][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161600][ T4463]  __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))
[  180.161603][ T4463]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  180.161606][ T4463]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  180.161611][ T4463]  ? 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)
[  180.161613][ T4463]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  180.161615][ T4463]  put_chars (drivers/char/virtio_console.c:1176)
[  180.161617][ T4463]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  180.161619][ T4463]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  180.161622][ T4463]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  180.161626][ T4463]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  180.161628][ T4463]  ? vsnprintf (lib/vsprintf.c:2900)
[  180.161632][ T4463]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  180.161633][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161634][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161636][ T4463]  console_emit_next_record (kernel/printk/printk.c:3183)
[  180.161639][ T4463]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  180.161641][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161642][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161643][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161644][ T4463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.161647][ T4463]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  180.161649][ T4463]  console_flush_one_record (kernel/printk/printk.c:3268)
[  180.161651][ T4463]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  180.161654][ T4463]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  180.161656][ T4463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.161657][ T4463]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  180.161659][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161660][ T4463]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  180.161662][ T4463]  ? 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)
[  180.161663][ T4463]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  180.161665][ T4463]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  180.161667][ T4463]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  180.161668][ T4463]  vprintk_emit (kernel/printk/printk.c:2479)
[  180.161670][ T4463]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  180.161671][ T4463]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  180.161673][ T4463]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  180.161676][ T4463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.161678][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161679][ T4463]  _printk (kernel/printk/printk.c:2504)
[  180.161682][ T4463]  ? snapshot_read.cold (user.c:?)
[  180.161684][ T4463]  ? br_multicast_flood (??:?)
[  180.161687][ T4463]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  180.161690][ T4463]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  180.161691][ T4463]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  180.161693][ T4463]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  180.161696][ T4463]  br_init_port (net/bridge/br_stp_if.c:39)
[  180.161698][ T4463]  new_nbp (net/bridge/br_if.c:449)
[  180.161700][ T4463]  br_add_if (net/bridge/br_if.c:592)
[  180.161702][ T4463]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  180.161706][ T4463]  do_set_master (net/core/rtnetlink.c:3071)
[  180.161708][ T4463]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  180.161709][ T4463]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  180.161711][ T4463]  ? __dev_get_by_name (net/core/dev.c:905)
[  180.161713][ T4463]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  180.161717][ T4463]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  180.161720][ T4463]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  180.161722][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161723][ T4463]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  180.161724][ T4463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.161726][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161727][ T4463]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  180.161730][ T4463]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  180.161732][ T4463]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  180.161734][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161735][ T4463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.161737][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161738][ T4463]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  180.161740][ T4463]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  180.161742][ T4463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  180.161743][ T4463]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  180.161745][ T4463]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  180.161748][ T4463]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  180.161751][ T4463]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  180.161752][ T4463]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  180.161754][ T4463]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  180.161756][ T4463]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  180.161759][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161760][ T4463]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  180.161762][ T4463]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  180.161764][ T4463]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  180.161766][ T4463]  ? next_uptodate_folio (mm/filemap.c:3747)
[  180.161769][ T4463]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  180.161771][ T4463]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  180.161773][ T4463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.161775][ T4463]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  180.161779][ T4463]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  180.161782][ T4463]  ____sys_sendmsg (net/socket.c:2713)
[  180.161783][ T4463]  ? copy_msghdr_from_user (net/socket.c:2650)
[  180.161785][ T4463]  ? sock_write_iter (net/socket.c:1269)
[  180.161787][ T4463]  ? move_addr_to_kernel (net/socket.c:258)
[  180.161789][ T4463]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  180.161792][ T4463]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  180.161793][ T4463]  ___sys_sendmsg (net/socket.c:2767)
[  180.161795][ T4463]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  180.161797][ T4463]  ? copy_msghdr_from_user (net/socket.c:2619)
[  180.161799][ T4463]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  180.161803][ T4463]  __sys_sendmsg (net/socket.c:2799)
[  180.161805][ T4463]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  180.161808][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161809][ T4463]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  180.161811][ T4463]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  180.161813][ T4463]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  180.161815][ T4463]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  180.161817][ T4463] RIP: 0033:0x7f7b98ab454e
[  180.161819][ T4463] 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
[  180.161821][ T4463] RSP: 002b:00007ffe7450c060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  180.161825][ T4463] RAX: ffffffffffffffda RBX: 00007ffe7450c828 RCX: 00007f7b98ab454e
[  180.161827][ T4463] RDX: 0000000000000000 RSI: 00007ffe7450c110 RDI: 0000000000000005
[  180.161828][ T4463] RBP: 00007ffe7450c070 R08: 0000000000000000 R09: 0000000000000000
[  180.161829][ T4463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150ad
[  180.161830][ T4463] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7450c7e0
| [  181.827555][ T4532] softirqs last disabled at (0): 0x0
| [  181.827557][ T4532] Preemption disabled at:
| [  181.827557][ T4532] vprintk_emit (kernel/printk/printk.c:2471)
| [  181.827568][ T4532] Tainted: [W]=WARN
[  181.827569][ T4532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  181.827571][ T4532] Call Trace:
[  181.827572][ T4532]  <TASK>
[  181.827574][ T4532]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  181.827580][ T4532]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  181.827581][ T4532]  __might_resched.cold (kernel/sched/core.c:9234)
[  181.827585][ T4532]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  181.827589][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827591][ T4532]  __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))
[  181.827594][ T4532]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.827597][ T4532]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.827603][ T4532]  ? 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)
[  181.827605][ T4532]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  181.827607][ T4532]  put_chars (drivers/char/virtio_console.c:1176)
[  181.827609][ T4532]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  181.827610][ T4532]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  181.827613][ T4532]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  181.827615][ T4532]  ? pointer (lib/vsprintf.c:2577)
[  181.827619][ T4532]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  181.827624][ T4532]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  181.827626][ T4532]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.827628][ T4532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.827630][ T4532]  console_emit_next_record (kernel/printk/printk.c:3183)
[  181.827633][ T4532]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  181.827635][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827637][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827638][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827639][ T4532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.827641][ T4532]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  181.827643][ T4532]  console_flush_one_record (kernel/printk/printk.c:3268)
[  181.827646][ T4532]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  181.827649][ T4532]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  181.827651][ T4532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.827652][ T4532]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  181.827655][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827656][ T4532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.827657][ T4532]  ? 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)
[  181.827659][ T4532]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  181.827661][ T4532]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  181.827663][ T4532]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  181.827664][ T4532]  vprintk_emit (kernel/printk/printk.c:2479)
[  181.827666][ T4532]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  181.827667][ T4532]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  181.827670][ T4532]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  181.827673][ T4532]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  181.827676][ T4532]  _printk (kernel/printk/printk.c:2504)
[  181.827679][ T4532]  ? snapshot_read.cold (user.c:?)
[  181.827681][ T4532]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  181.827684][ T4532]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  181.827687][ T4532]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  181.827689][ T4532]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  181.827692][ T4532]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  181.827695][ T4532]  ? netdev_notice (net/core/dev.c:13194)
[  181.827697][ T4532]  ? 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)
[  181.827699][ T4532]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  181.827702][ T4532]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  181.827703][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827704][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827706][ T4532]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  181.827707][ T4532]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  181.827709][ T4532]  ? 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)
[  181.827710][ T4532]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  181.827712][ T4532]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  181.827714][ T4532]  ? register_netdev (net/core/dev.c:11618)
[  181.827715][ T4532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.827717][ T4532]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  181.827720][ T4532]  ? __kernel_text_address (kernel/extable.c:79)
[  181.827723][ T4532]  ? write_profile (profile.c:?)
[  181.827726][ T4532]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  181.827730][ T4532]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  181.827732][ T4532]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  181.827733][ T4532]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  181.827735][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827736][ T4532]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  181.827739][ T4532]  ? kasan_save_stack (mm/kasan/common.c:58)
[  181.827741][ T4532]  ? kasan_save_stack (mm/kasan/common.c:57)
[  181.827742][ T4532]  ? kasan_save_track (mm/kasan/common.c:78)
[  181.827744][ T4532]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  181.827745][ T4532]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  181.827746][ T4532]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  181.827748][ T4532]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.827749][ T4532]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.827752][ T4532]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.827753][ T4532]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.827755][ T4532]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.827758][ T4532]  ? ____sys_sendmsg (net/socket.c:2713)
[  181.827759][ T4532]  ? ___sys_sendmsg (net/socket.c:2767)
[  181.827761][ T4532]  ? __sys_sendmsg (net/socket.c:2799)
[  181.827762][ T4532]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.827765][ T4532]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.827767][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827769][ T4532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.827770][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827771][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827773][ T4532]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  181.827774][ T4532]  ? __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)
[  181.827776][ T4532]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  181.827777][ T4532]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  181.827779][ T4532]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  181.827780][ T4532]  ? nla_get_range_signed (lib/nlattr.c:270)
[  181.827783][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827784][ T4532]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  181.827787][ T4532]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  181.827789][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827790][ T4532]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.827791][ T4532]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  181.827794][ T4532]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[  181.827796][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827798][ T4532]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  181.827799][ T4532]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  181.827801][ T4532]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.827802][ T4532]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  181.827804][ T4532]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  181.827806][ T4532]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  181.827808][ T4532]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  181.827810][ T4532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.827811][ T4532]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  181.827813][ T4532]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  181.827816][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827818][ T4532]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  181.827820][ T4532]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  181.827822][ T4532]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  181.827824][ T4532]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.827826][ T4532]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  181.827828][ T4532]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  181.827830][ T4532]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  181.827832][ T4532]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  181.827833][ T4532]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  181.827837][ T4532]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  181.827839][ T4532]  ____sys_sendmsg (net/socket.c:2713)
[  181.827841][ T4532]  ? copy_msghdr_from_user (net/socket.c:2650)
[  181.827843][ T4532]  ? sock_write_iter (net/socket.c:1269)
[  181.827844][ T4532]  ? move_addr_to_kernel (net/socket.c:258)
[  181.827846][ T4532]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  181.827849][ T4532]  ___sys_sendmsg (net/socket.c:2767)
[  181.827851][ T4532]  ? copy_msghdr_from_user (net/socket.c:2619)
[  181.827856][ T4532]  __sys_sendmsg (net/socket.c:2799)
[  181.827858][ T4532]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  181.827861][ T4532]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  181.827862][ T4532]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  181.827864][ T4532]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  181.827866][ T4532]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  181.827868][ T4532] RIP: 0033:0x7fa8d604954e
[  181.827870][ T4532] 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
[  181.827872][ T4532] RSP: 002b:00007fff47b45240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  181.827875][ T4532] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa8d604954e
[  181.827885][ T4532] RDX: 0000000000000000 RSI: 00007fff47b452f0 RDI: 0000000000000005
[  181.827886][ T4532] RBP: 00007fff47b45250 R08: 0000000000000000 R09: 0000000000000000
[  181.827887][ T4532] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150af
[  181.827887][ T4532] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff47b459b0
| [  183.104028][ T4582] softirqs last disabled at (0): 0x0
| [  183.104030][ T4582] Preemption disabled at:
| [  183.104031][ T4582] vprintk_emit (kernel/printk/printk.c:2471)
| [  183.104041][ T4582] Tainted: [W]=WARN
[  183.104042][ T4582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  183.104044][ T4582] Call Trace:
[  183.104046][ T4582]  <TASK>
[  183.104047][ T4582]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  183.104053][ T4582]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  183.104055][ T4582]  __might_resched.cold (kernel/sched/core.c:9234)
[  183.104058][ T4582]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  183.104061][ T4582]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  183.104064][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104067][ T4582]  __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))
[  183.104070][ T4582]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  183.104073][ T4582]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  183.104078][ T4582]  ? 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)
[  183.104080][ T4582]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  183.104083][ T4582]  put_chars (drivers/char/virtio_console.c:1176)
[  183.104087][ T4582]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  183.104089][ T4582]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  183.104091][ T4582]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  183.104096][ T4582]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  183.104098][ T4582]  ? vsnprintf (lib/vsprintf.c:2900)
[  183.104102][ T4582]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  183.104104][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104105][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104107][ T4582]  console_emit_next_record (kernel/printk/printk.c:3183)
[  183.104110][ T4582]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  183.104112][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104113][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104114][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104115][ T4582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.104117][ T4582]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  183.104119][ T4582]  console_flush_one_record (kernel/printk/printk.c:3268)
[  183.104122][ T4582]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  183.104125][ T4582]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  183.104127][ T4582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.104129][ T4582]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  183.104130][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104131][ T4582]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.104133][ T4582]  ? 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)
[  183.104135][ T4582]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  183.104136][ T4582]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  183.104138][ T4582]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  183.104140][ T4582]  vprintk_emit (kernel/printk/printk.c:2479)
[  183.104141][ T4582]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  183.104143][ T4582]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  183.104144][ T4582]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  183.104147][ T4582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.104149][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104150][ T4582]  _printk (kernel/printk/printk.c:2504)
[  183.104154][ T4582]  ? snapshot_read.cold (user.c:?)
[  183.104156][ T4582]  ? br_multicast_flood (??:?)
[  183.104159][ T4582]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  183.104162][ T4582]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  183.104163][ T4582]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  183.104165][ T4582]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  183.104168][ T4582]  br_init_port (net/bridge/br_stp_if.c:39)
[  183.104170][ T4582]  new_nbp (net/bridge/br_if.c:449)
[  183.104172][ T4582]  br_add_if (net/bridge/br_if.c:592)
[  183.104174][ T4582]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  183.104178][ T4582]  do_set_master (net/core/rtnetlink.c:3071)
[  183.104180][ T4582]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  183.104182][ T4582]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  183.104183][ T4582]  ? __dev_get_by_name (net/core/dev.c:905)
[  183.104185][ T4582]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  183.104189][ T4582]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  183.104192][ T4582]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  183.104194][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104195][ T4582]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  183.104196][ T4582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.104198][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104200][ T4582]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  183.104202][ T4582]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  183.104204][ T4582]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  183.104207][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104208][ T4582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.104209][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104211][ T4582]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  183.104212][ T4582]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  183.104214][ T4582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  183.104215][ T4582]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  183.104217][ T4582]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  183.104221][ T4582]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  183.104224][ T4582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  183.104225][ T4582]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.104227][ T4582]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  183.104229][ T4582]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  183.104232][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104233][ T4582]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  183.104235][ T4582]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  183.104238][ T4582]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  183.104240][ T4582]  ? next_uptodate_folio (mm/filemap.c:3747)
[  183.104243][ T4582]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  183.104245][ T4582]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  183.104247][ T4582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.104249][ T4582]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  183.104252][ T4582]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  183.104255][ T4582]  ____sys_sendmsg (net/socket.c:2713)
[  183.104257][ T4582]  ? copy_msghdr_from_user (net/socket.c:2650)
[  183.104259][ T4582]  ? sock_write_iter (net/socket.c:1269)
[  183.104261][ T4582]  ? move_addr_to_kernel (net/socket.c:258)
[  183.104263][ T4582]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  183.104265][ T4582]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  183.104267][ T4582]  ___sys_sendmsg (net/socket.c:2767)
[  183.104269][ T4582]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  183.104271][ T4582]  ? copy_msghdr_from_user (net/socket.c:2619)
[  183.104273][ T4582]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  183.104277][ T4582]  __sys_sendmsg (net/socket.c:2799)
[  183.104280][ T4582]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  183.104282][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104284][ T4582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  183.104285][ T4582]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  183.104288][ T4582]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  183.104290][ T4582]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  183.104292][ T4582] RIP: 0033:0x7f24f909054e
[  183.104294][ T4582] 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
[  183.104296][ T4582] RSP: 002b:00007ffdcd719540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  183.104300][ T4582] RAX: ffffffffffffffda RBX: 00007ffdcd719d08 RCX: 00007f24f909054e
[  183.104301][ T4582] RDX: 0000000000000000 RSI: 00007ffdcd7195f0 RDI: 0000000000000005
[  183.104302][ T4582] RBP: 00007ffdcd719550 R08: 0000000000000000 R09: 0000000000000000
[  183.104303][ T4582] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150b0
[  183.104304][ T4582] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdcd719cc0
| [  188.768807][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  188.768809][   T12] Preemption disabled at:
| [  188.768810][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  188.768820][   T12] Tainted: [W]=WARN
[  188.768821][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  188.768823][   T12] Workqueue: netns cleanup_net
[  188.768829][   T12] Call Trace:
[  188.768830][   T12]  <TASK>
[  188.768832][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  188.768838][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  188.768839][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  188.768843][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  188.768846][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  188.768849][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.768852][   T12]  __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))
[  188.768855][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.768858][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.768863][   T12]  ? 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)
[  188.768865][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  188.768867][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  188.768869][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  188.768870][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  188.768873][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  188.768878][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  188.768880][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  188.768882][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.768884][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.768885][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.768887][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  188.768890][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  188.768892][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.768893][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.768894][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.768895][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.768897][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  188.768899][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  188.768901][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  188.768904][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  188.768906][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.768908][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  188.768909][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.768910][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  188.768912][   T12]  ? 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)
[  188.768913][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  188.768921][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  188.768923][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  188.768925][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  188.768927][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  188.768928][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  188.768929][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  188.768932][   T12]  ? kthread (kernel/kthread.c:436)
[  188.768934][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  188.768937][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  188.768940][   T12]  _printk (kernel/printk/printk.c:2504)
[  188.768943][   T12]  ? snapshot_read.cold (user.c:?)
[  188.768945][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  188.768948][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  188.768951][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  188.768953][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  188.768955][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.768957][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  188.768958][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  188.768961][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  188.768962][   T12]  ? 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)
[  188.768964][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  188.768966][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  188.768969][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  188.768973][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  188.768975][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  188.768977][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  188.768980][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  188.768982][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  188.768984][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  188.768986][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  188.768989][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  188.768990][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  188.768992][   T12]  process_one_work (kernel/workqueue.c:3387)
[  188.768995][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  188.768997][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  188.768999][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  188.769002][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  188.769005][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  188.769007][   T12]  kthread (kernel/kthread.c:436)
[  188.769009][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  188.769010][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  188.769012][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  188.769014][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  188.769016][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  188.769019][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  188.769021][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  190.242256][ T4705] softirqs last disabled at (0): 0x0
| [  190.242258][ T4705] Preemption disabled at:
| [  190.242260][ T4705] vprintk_emit (kernel/printk/printk.c:2471)
| [  190.242272][ T4705] Tainted: [W]=WARN
[  190.242274][ T4705] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  190.242277][ T4705] Call Trace:
[  190.242279][ T4705]  <TASK>
[  190.242280][ T4705]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  190.242287][ T4705]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  190.242289][ T4705]  __might_resched.cold (kernel/sched/core.c:9234)
[  190.242294][ T4705]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  190.242297][ T4705]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  190.242302][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242305][ T4705]  __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))
[  190.242309][ T4705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  190.242313][ T4705]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.242320][ T4705]  ? 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)
[  190.242323][ T4705]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  190.242327][ T4705]  put_chars (drivers/char/virtio_console.c:1176)
[  190.242329][ T4705]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  190.242332][ T4705]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  190.242336][ T4705]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  190.242343][ T4705]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  190.242345][ T4705]  ? vsnprintf (lib/vsprintf.c:2900)
[  190.242350][ T4705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  190.242352][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242354][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242358][ T4705]  console_emit_next_record (kernel/printk/printk.c:3183)
[  190.242362][ T4705]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  190.242365][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242367][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242369][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242371][ T4705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.242375][ T4705]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  190.242378][ T4705]  console_flush_one_record (kernel/printk/printk.c:3268)
[  190.242382][ T4705]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  190.242386][ T4705]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  190.242389][ T4705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.242392][ T4705]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  190.242395][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242396][ T4705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.242399][ T4705]  ? 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)
[  190.242403][ T4705]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  190.242406][ T4705]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  190.242409][ T4705]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  190.242412][ T4705]  vprintk_emit (kernel/printk/printk.c:2479)
[  190.242415][ T4705]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  190.242417][ T4705]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  190.242420][ T4705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  190.242424][ T4705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.242427][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242430][ T4705]  _printk (kernel/printk/printk.c:2504)
[  190.242434][ T4705]  ? snapshot_read.cold (user.c:?)
[  190.242438][ T4705]  ? br_multicast_flood (??:?)
[  190.242443][ T4705]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  190.242446][ T4705]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  190.242448][ T4705]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  190.242452][ T4705]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  190.242456][ T4705]  br_init_port (net/bridge/br_stp_if.c:39)
[  190.242459][ T4705]  new_nbp (net/bridge/br_if.c:449)
[  190.242462][ T4705]  br_add_if (net/bridge/br_if.c:592)
[  190.242465][ T4705]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  190.242471][ T4705]  do_set_master (net/core/rtnetlink.c:3071)
[  190.242474][ T4705]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  190.242477][ T4705]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  190.242480][ T4705]  ? __dev_get_by_name (net/core/dev.c:905)
[  190.242483][ T4705]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  190.242489][ T4705]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  190.242493][ T4705]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  190.242497][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242499][ T4705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  190.242501][ T4705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.242504][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242506][ T4705]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  190.242510][ T4705]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  190.242513][ T4705]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  190.242517][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242519][ T4705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.242522][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242524][ T4705]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  190.242526][ T4705]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  190.242529][ T4705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.242532][ T4705]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  190.242534][ T4705]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  190.242540][ T4705]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  190.242544][ T4705]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  190.242547][ T4705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.242550][ T4705]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  190.242552][ T4705]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  190.242557][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242559][ T4705]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  190.242563][ T4705]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  190.242566][ T4705]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  190.242570][ T4705]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  190.242573][ T4705]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  190.242577][ T4705]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  190.242581][ T4705]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  190.242584][ T4705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.242587][ T4705]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  190.242592][ T4705]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  190.242596][ T4705]  ____sys_sendmsg (net/socket.c:2713)
[  190.242599][ T4705]  ? copy_msghdr_from_user (net/socket.c:2650)
[  190.242602][ T4705]  ? sock_write_iter (net/socket.c:1269)
[  190.242604][ T4705]  ? move_addr_to_kernel (net/socket.c:258)
[  190.242608][ T4705]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  190.242611][ T4705]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  190.242615][ T4705]  ___sys_sendmsg (net/socket.c:2767)
[  190.242617][ T4705]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  190.242620][ T4705]  ? copy_msghdr_from_user (net/socket.c:2619)
[  190.242623][ T4705]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  190.242631][ T4705]  __sys_sendmsg (net/socket.c:2799)
[  190.242634][ T4705]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  190.242638][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242641][ T4705]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  190.242643][ T4705]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  190.242647][ T4705]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  190.242650][ T4705]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  190.242653][ T4705] RIP: 0033:0x7f133402054e
[  190.242656][ T4705] 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
[  190.242659][ T4705] RSP: 002b:00007fff44488f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  190.242664][ T4705] RAX: ffffffffffffffda RBX: 00007fff44489708 RCX: 00007f133402054e
[  190.242666][ T4705] RDX: 0000000000000000 RSI: 00007fff44488ff0 RDI: 0000000000000005
[  190.242668][ T4705] RBP: 00007fff44488f50 R08: 0000000000000000 R09: 0000000000000000
[  190.242670][ T4705] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150b7
[  190.242671][ T4705] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff444896c0
| [  191.733788][ T4773] softirqs last disabled at (0): 0x0
| [  191.733790][ T4773] Preemption disabled at:
| [  191.733791][ T4773] vprintk_emit (kernel/printk/printk.c:2471)
| [  191.733801][ T4773] Tainted: [W]=WARN
[  191.733802][ T4773] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  191.733804][ T4773] Call Trace:
[  191.733806][ T4773]  <TASK>
[  191.733807][ T4773]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  191.733813][ T4773]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  191.733814][ T4773]  __might_resched.cold (kernel/sched/core.c:9234)
[  191.733819][ T4773]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  191.733822][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.733825][ T4773]  __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))
[  191.733828][ T4773]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.733831][ T4773]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.733837][ T4773]  ? 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)
[  191.733838][ T4773]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  191.733841][ T4773]  put_chars (drivers/char/virtio_console.c:1176)
[  191.733844][ T4773]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  191.733845][ T4773]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  191.733848][ T4773]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  191.733851][ T4773]  ? pointer (lib/vsprintf.c:2577)
[  191.733855][ T4773]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  191.733860][ T4773]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  191.733862][ T4773]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.733864][ T4773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.733867][ T4773]  console_emit_next_record (kernel/printk/printk.c:3183)
[  191.733870][ T4773]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  191.733872][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.733873][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.733874][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.733876][ T4773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.733878][ T4773]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  191.733880][ T4773]  console_flush_one_record (kernel/printk/printk.c:3268)
[  191.733882][ T4773]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  191.733885][ T4773]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  191.733887][ T4773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.733889][ T4773]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  191.733891][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.733892][ T4773]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.733894][ T4773]  ? 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)
[  191.733896][ T4773]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  191.733898][ T4773]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  191.733900][ T4773]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  191.733902][ T4773]  vprintk_emit (kernel/printk/printk.c:2479)
[  191.733904][ T4773]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  191.733905][ T4773]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  191.733908][ T4773]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  191.733911][ T4773]  _printk (kernel/printk/printk.c:2504)
[  191.733914][ T4773]  ? snapshot_read.cold (user.c:?)
[  191.733917][ T4773]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  191.733919][ T4773]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  191.733922][ T4773]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  191.733925][ T4773]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  191.733928][ T4773]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  191.733931][ T4773]  ? netdev_notice (net/core/dev.c:13194)
[  191.733939][ T4773]  ? 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)
[  191.733941][ T4773]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  191.733944][ T4773]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  191.733946][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.733947][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.733949][ T4773]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  191.733952][ T4773]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  191.733953][ T4773]  ? 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)
[  191.733955][ T4773]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  191.733957][ T4773]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  191.733959][ T4773]  ? register_netdev (net/core/dev.c:11618)
[  191.733960][ T4773]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.733962][ T4773]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  191.733965][ T4773]  ? __kernel_text_address (kernel/extable.c:79)
[  191.733968][ T4773]  ? write_profile (profile.c:?)
[  191.733971][ T4773]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  191.733976][ T4773]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  191.733979][ T4773]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  191.733982][ T4773]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  191.733984][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.733986][ T4773]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  191.733991][ T4773]  ? kasan_save_stack (mm/kasan/common.c:58)
[  191.733993][ T4773]  ? kasan_save_stack (mm/kasan/common.c:57)
[  191.733995][ T4773]  ? kasan_save_track (mm/kasan/common.c:78)
[  191.733996][ T4773]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  191.733997][ T4773]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  191.733999][ T4773]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  191.734000][ T4773]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  191.734001][ T4773]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  191.734005][ T4773]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  191.734007][ T4773]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  191.734008][ T4773]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  191.734011][ T4773]  ? ____sys_sendmsg (net/socket.c:2713)
[  191.734013][ T4773]  ? ___sys_sendmsg (net/socket.c:2767)
[  191.734014][ T4773]  ? __sys_sendmsg (net/socket.c:2799)
[  191.734016][ T4773]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  191.734019][ T4773]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  191.734022][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.734023][ T4773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.734025][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.734026][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.734027][ T4773]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  191.734029][ T4773]  ? __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)
[  191.734030][ T4773]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  191.734032][ T4773]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  191.734034][ T4773]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  191.734035][ T4773]  ? nla_get_range_signed (lib/nlattr.c:270)
[  191.734039][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.734040][ T4773]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  191.734043][ T4773]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  191.734045][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.734046][ T4773]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  191.734048][ T4773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.734049][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.734051][ T4773]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  191.734054][ T4773]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  191.734055][ T4773]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  191.734057][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.734058][ T4773]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  191.734062][ T4773]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  191.734064][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.734066][ T4773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.734068][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.734069][ T4773]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  191.734071][ T4773]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  191.734073][ T4773]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  191.734074][ T4773]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  191.734076][ T4773]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  191.734078][ T4773]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  191.734080][ T4773]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  191.734082][ T4773]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.734084][ T4773]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  191.734086][ T4773]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  191.734089][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.734090][ T4773]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  191.734092][ T4773]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  191.734095][ T4773]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  191.734097][ T4773]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  191.734099][ T4773]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  191.734101][ T4773]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  191.734103][ T4773]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  191.734105][ T4773]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  191.734106][ T4773]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  191.734110][ T4773]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  191.734112][ T4773]  ____sys_sendmsg (net/socket.c:2713)
[  191.734114][ T4773]  ? copy_msghdr_from_user (net/socket.c:2650)
[  191.734115][ T4773]  ? sock_write_iter (net/socket.c:1269)
[  191.734117][ T4773]  ? move_addr_to_kernel (net/socket.c:258)
[  191.734119][ T4773]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  191.734121][ T4773]  ___sys_sendmsg (net/socket.c:2767)
[  191.734123][ T4773]  ? copy_msghdr_from_user (net/socket.c:2619)
[  191.734129][ T4773]  __sys_sendmsg (net/socket.c:2799)
[  191.734131][ T4773]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  191.734134][ T4773]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  191.734135][ T4773]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  191.734137][ T4773]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  191.734139][ T4773]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  191.734141][ T4773] RIP: 0033:0x7f40623c454e
[  191.734143][ T4773] 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
[  191.734145][ T4773] RSP: 002b:00007ffd4ae95490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  191.734149][ T4773] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f40623c454e
[  191.734150][ T4773] RDX: 0000000000000000 RSI: 00007ffd4ae95540 RDI: 0000000000000005
[  191.734151][ T4773] RBP: 00007ffd4ae954a0 R08: 0000000000000000 R09: 0000000000000000
[  191.734152][ T4773] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150b9
[  191.734153][ T4773] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4ae95c00
| [  192.989188][ T4832] softirqs last disabled at (0): 0x0
| [  192.989190][ T4832] Preemption disabled at:
| [  192.989191][ T4832] vprintk_emit (kernel/printk/printk.c:2471)
| [  192.989201][ T4832] Tainted: [W]=WARN
[  192.989202][ T4832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  192.989204][ T4832] Call Trace:
[  192.989206][ T4832]  <TASK>
[  192.989207][ T4832]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  192.989213][ T4832]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  192.989214][ T4832]  __might_resched.cold (kernel/sched/core.c:9234)
[  192.989218][ T4832]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  192.989220][ T4832]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  192.989224][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989226][ T4832]  __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))
[  192.989229][ T4832]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  192.989233][ T4832]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  192.989238][ T4832]  ? 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)
[  192.989239][ T4832]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  192.989242][ T4832]  put_chars (drivers/char/virtio_console.c:1176)
[  192.989244][ T4832]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  192.989246][ T4832]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  192.989248][ T4832]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  192.989252][ T4832]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  192.989254][ T4832]  ? vsnprintf (lib/vsprintf.c:2900)
[  192.989258][ T4832]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  192.989259][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989261][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989262][ T4832]  console_emit_next_record (kernel/printk/printk.c:3183)
[  192.989265][ T4832]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  192.989267][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989268][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989269][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989270][ T4832]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.989273][ T4832]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  192.989274][ T4832]  console_flush_one_record (kernel/printk/printk.c:3268)
[  192.989277][ T4832]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  192.989279][ T4832]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  192.989281][ T4832]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.989283][ T4832]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  192.989285][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989285][ T4832]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  192.989287][ T4832]  ? 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)
[  192.989289][ T4832]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  192.989290][ T4832]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  192.989292][ T4832]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  192.989294][ T4832]  vprintk_emit (kernel/printk/printk.c:2479)
[  192.989295][ T4832]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  192.989297][ T4832]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  192.989298][ T4832]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  192.989301][ T4832]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.989303][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989304][ T4832]  _printk (kernel/printk/printk.c:2504)
[  192.989307][ T4832]  ? snapshot_read.cold (user.c:?)
[  192.989309][ T4832]  ? br_multicast_flood (??:?)
[  192.989313][ T4832]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  192.989316][ T4832]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  192.989317][ T4832]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  192.989319][ T4832]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  192.989321][ T4832]  br_init_port (net/bridge/br_stp_if.c:39)
[  192.989323][ T4832]  new_nbp (net/bridge/br_if.c:449)
[  192.989325][ T4832]  br_add_if (net/bridge/br_if.c:592)
[  192.989327][ T4832]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  192.989332][ T4832]  do_set_master (net/core/rtnetlink.c:3071)
[  192.989333][ T4832]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  192.989335][ T4832]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  192.989337][ T4832]  ? __dev_get_by_name (net/core/dev.c:905)
[  192.989339][ T4832]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  192.989342][ T4832]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  192.989345][ T4832]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  192.989347][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989348][ T4832]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  192.989349][ T4832]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.989351][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989352][ T4832]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  192.989355][ T4832]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  192.989357][ T4832]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  192.989359][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989360][ T4832]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.989362][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989363][ T4832]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  192.989364][ T4832]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  192.989366][ T4832]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  192.989367][ T4832]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  192.989369][ T4832]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  192.989373][ T4832]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  192.989376][ T4832]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  192.989377][ T4832]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  192.989379][ T4832]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  192.989380][ T4832]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  192.989383][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989385][ T4832]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  192.989387][ T4832]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  192.989389][ T4832]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  192.989391][ T4832]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  192.989393][ T4832]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  192.989396][ T4832]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  192.989398][ T4832]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  192.989403][ T4832]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.989404][ T4832]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  192.989408][ T4832]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  192.989411][ T4832]  ____sys_sendmsg (net/socket.c:2713)
[  192.989413][ T4832]  ? copy_msghdr_from_user (net/socket.c:2650)
[  192.989414][ T4832]  ? sock_write_iter (net/socket.c:1269)
[  192.989416][ T4832]  ? move_addr_to_kernel (net/socket.c:258)
[  192.989418][ T4832]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  192.989421][ T4832]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  192.989423][ T4832]  ___sys_sendmsg (net/socket.c:2767)
[  192.989424][ T4832]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  192.989426][ T4832]  ? copy_msghdr_from_user (net/socket.c:2619)
[  192.989428][ T4832]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  192.989432][ T4832]  __sys_sendmsg (net/socket.c:2799)
[  192.989434][ T4832]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  192.989437][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989438][ T4832]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  192.989440][ T4832]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  192.989442][ T4832]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  192.989444][ T4832]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  192.989446][ T4832] RIP: 0033:0x7fd9c4e5454e
[  192.989448][ T4832] 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
[  192.989450][ T4832] RSP: 002b:00007ffe2b65bd70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  192.989454][ T4832] RAX: ffffffffffffffda RBX: 00007ffe2b65c538 RCX: 00007fd9c4e5454e
[  192.989455][ T4832] RDX: 0000000000000000 RSI: 00007ffe2b65be20 RDI: 0000000000000005
[  192.989456][ T4832] RBP: 00007ffe2b65bd80 R08: 0000000000000000 R09: 0000000000000000
[  192.989457][ T4832] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150ba
[  192.989458][ T4832] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2b65c4f0
| [  198.604652][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  198.604654][   T12] Preemption disabled at:
| [  198.604655][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  198.604665][   T12] Tainted: [W]=WARN
[  198.604666][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  198.604668][   T12] Workqueue: netns cleanup_net
[  198.604674][   T12] Call Trace:
[  198.604675][   T12]  <TASK>
[  198.604677][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  198.604683][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  198.604685][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  198.604688][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  198.604691][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  198.604694][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.604697][   T12]  __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))
[  198.604700][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.604703][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.604708][   T12]  ? 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)
[  198.604709][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  198.604712][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  198.604714][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  198.604716][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  198.604718][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  198.604723][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  198.604725][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  198.604727][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.604729][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.604730][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.604732][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  198.604735][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  198.604737][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.604738][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.604739][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.604740][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.604743][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  198.604745][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  198.604747][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  198.604750][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  198.604751][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.604753][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  198.604755][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.604756][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  198.604757][   T12]  ? 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)
[  198.604759][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  198.604761][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  198.604762][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  198.604764][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  198.604766][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  198.604767][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  198.604768][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  198.604771][   T12]  ? kthread (kernel/kthread.c:436)
[  198.604773][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  198.604776][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  198.604779][   T12]  _printk (kernel/printk/printk.c:2504)
[  198.604782][   T12]  ? snapshot_read.cold (user.c:?)
[  198.604785][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  198.604788][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  198.604790][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  198.604792][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  198.604794][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.604796][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  198.604797][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  198.604800][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  198.604802][   T12]  ? 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)
[  198.604803][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  198.604805][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  198.604808][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  198.604812][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  198.604814][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  198.604817][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  198.604819][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  198.604821][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  198.604824][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  198.604825][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  198.604827][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  198.604829][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  198.604831][   T12]  process_one_work (kernel/workqueue.c:3387)
[  198.604834][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  198.604836][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  198.604838][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  198.604841][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  198.604844][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  198.604846][   T12]  kthread (kernel/kthread.c:436)
[  198.604847][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  198.604849][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  198.604851][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  198.604853][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  198.604855][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  198.604858][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  198.604860][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  199.885656][ T4956] softirqs last disabled at (0): 0x0
| [  199.885658][ T4956] Preemption disabled at:
| [  199.885658][ T4956] vprintk_emit (kernel/printk/printk.c:2471)
| [  199.885669][ T4956] Tainted: [W]=WARN
[  199.885670][ T4956] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  199.885672][ T4956] Call Trace:
[  199.885674][ T4956]  <TASK>
[  199.885675][ T4956]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  199.885681][ T4956]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  199.885683][ T4956]  __might_resched.cold (kernel/sched/core.c:9234)
[  199.885687][ T4956]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  199.885689][ T4956]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  199.885693][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885695][ T4956]  __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))
[  199.885698][ T4956]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  199.885702][ T4956]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  199.885707][ T4956]  ? 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)
[  199.885708][ T4956]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  199.885711][ T4956]  put_chars (drivers/char/virtio_console.c:1176)
[  199.885713][ T4956]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  199.885715][ T4956]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  199.885717][ T4956]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  199.885722][ T4956]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  199.885724][ T4956]  ? vsnprintf (lib/vsprintf.c:2900)
[  199.885727][ T4956]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  199.885729][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885730][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885732][ T4956]  console_emit_next_record (kernel/printk/printk.c:3183)
[  199.885734][ T4956]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  199.885736][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885737][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885739][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885740][ T4956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.885742][ T4956]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  199.885744][ T4956]  console_flush_one_record (kernel/printk/printk.c:3268)
[  199.885746][ T4956]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  199.885749][ T4956]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  199.885751][ T4956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.885753][ T4956]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  199.885755][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885756][ T4956]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  199.885757][ T4956]  ? 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)
[  199.885759][ T4956]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  199.885760][ T4956]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  199.885763][ T4956]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  199.885764][ T4956]  vprintk_emit (kernel/printk/printk.c:2479)
[  199.885766][ T4956]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  199.885767][ T4956]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  199.885769][ T4956]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  199.885772][ T4956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.885773][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885775][ T4956]  _printk (kernel/printk/printk.c:2504)
[  199.885778][ T4956]  ? snapshot_read.cold (user.c:?)
[  199.885780][ T4956]  ? br_multicast_flood (??:?)
[  199.885783][ T4956]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  199.885786][ T4956]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  199.885787][ T4956]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  199.885789][ T4956]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  199.885792][ T4956]  br_init_port (net/bridge/br_stp_if.c:39)
[  199.885794][ T4956]  new_nbp (net/bridge/br_if.c:449)
[  199.885796][ T4956]  br_add_if (net/bridge/br_if.c:592)
[  199.885798][ T4956]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  199.885802][ T4956]  do_set_master (net/core/rtnetlink.c:3071)
[  199.885804][ T4956]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  199.885806][ T4956]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  199.885807][ T4956]  ? __dev_get_by_name (net/core/dev.c:905)
[  199.885809][ T4956]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  199.885813][ T4956]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  199.885816][ T4956]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  199.885818][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885819][ T4956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  199.885820][ T4956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.885822][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885823][ T4956]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  199.885826][ T4956]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  199.885828][ T4956]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  199.885830][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885831][ T4956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.885833][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885834][ T4956]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  199.885836][ T4956]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  199.885838][ T4956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  199.885839][ T4956]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  199.885840][ T4956]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  199.885844][ T4956]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  199.885848][ T4956]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  199.885849][ T4956]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  199.885851][ T4956]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  199.885852][ T4956]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  199.885856][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885857][ T4956]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  199.885859][ T4956]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  199.885861][ T4956]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  199.885863][ T4956]  ? next_uptodate_folio (mm/filemap.c:3747)
[  199.885866][ T4956]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  199.885868][ T4956]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  199.885870][ T4956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.885872][ T4956]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  199.885876][ T4956]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  199.885879][ T4956]  ____sys_sendmsg (net/socket.c:2713)
[  199.885880][ T4956]  ? copy_msghdr_from_user (net/socket.c:2650)
[  199.885882][ T4956]  ? sock_write_iter (net/socket.c:1269)
[  199.885884][ T4956]  ? move_addr_to_kernel (net/socket.c:258)
[  199.885886][ T4956]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  199.885888][ T4956]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  199.885890][ T4956]  ___sys_sendmsg (net/socket.c:2767)
[  199.885892][ T4956]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  199.885894][ T4956]  ? copy_msghdr_from_user (net/socket.c:2619)
[  199.885896][ T4956]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  199.885900][ T4956]  __sys_sendmsg (net/socket.c:2799)
[  199.885903][ T4956]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  199.885905][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885906][ T4956]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  199.885908][ T4956]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  199.885911][ T4956]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  199.885913][ T4956]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  199.885915][ T4956] RIP: 0033:0x7f459df1554e
[  199.885917][ T4956] 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
[  199.885919][ T4956] RSP: 002b:00007ffd56029120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  199.885923][ T4956] RAX: ffffffffffffffda RBX: 00007ffd560298e8 RCX: 00007f459df1554e
[  199.885924][ T4956] RDX: 0000000000000000 RSI: 00007ffd560291d0 RDI: 0000000000000005
[  199.885925][ T4956] RBP: 00007ffd56029130 R08: 0000000000000000 R09: 0000000000000000
[  199.885926][ T4956] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150c1
[  199.885927][ T4956] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd560298a0
| [  201.400824][ T5025] softirqs last disabled at (0): 0x0
| [  201.400826][ T5025] Preemption disabled at:
| [  201.400827][ T5025] vprintk_emit (kernel/printk/printk.c:2471)
| [  201.400838][ T5025] Tainted: [W]=WARN
[  201.400839][ T5025] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  201.400841][ T5025] Call Trace:
[  201.400843][ T5025]  <TASK>
[  201.400844][ T5025]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  201.400850][ T5025]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  201.400851][ T5025]  __might_resched.cold (kernel/sched/core.c:9234)
[  201.400855][ T5025]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  201.400859][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.400862][ T5025]  __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))
[  201.400865][ T5025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  201.400868][ T5025]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.400874][ T5025]  ? 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)
[  201.400876][ T5025]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  201.400878][ T5025]  put_chars (drivers/char/virtio_console.c:1176)
[  201.400880][ T5025]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  201.400882][ T5025]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  201.400884][ T5025]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  201.400887][ T5025]  ? pointer (lib/vsprintf.c:2577)
[  201.400891][ T5025]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  201.400895][ T5025]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  201.400897][ T5025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  201.400899][ T5025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.400902][ T5025]  console_emit_next_record (kernel/printk/printk.c:3183)
[  201.400905][ T5025]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  201.400907][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.400908][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.400909][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.400911][ T5025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.400913][ T5025]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  201.400914][ T5025]  console_flush_one_record (kernel/printk/printk.c:3268)
[  201.400917][ T5025]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  201.400920][ T5025]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  201.400922][ T5025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.400924][ T5025]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  201.400925][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.400927][ T5025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.400928][ T5025]  ? 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)
[  201.400930][ T5025]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  201.400931][ T5025]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  201.400934][ T5025]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  201.400935][ T5025]  vprintk_emit (kernel/printk/printk.c:2479)
[  201.400937][ T5025]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  201.400938][ T5025]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  201.400941][ T5025]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  201.400944][ T5025]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  201.400947][ T5025]  _printk (kernel/printk/printk.c:2504)
[  201.400950][ T5025]  ? snapshot_read.cold (user.c:?)
[  201.400952][ T5025]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  201.400954][ T5025]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  201.400958][ T5025]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  201.400960][ T5025]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  201.400964][ T5025]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  201.400966][ T5025]  ? netdev_notice (net/core/dev.c:13194)
[  201.400968][ T5025]  ? 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)
[  201.400970][ T5025]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  201.400973][ T5025]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  201.400975][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.400976][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.400977][ T5025]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  201.400979][ T5025]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  201.400981][ T5025]  ? 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)
[  201.400982][ T5025]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  201.400984][ T5025]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  201.400992][ T5025]  ? register_netdev (net/core/dev.c:11618)
[  201.400994][ T5025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.400996][ T5025]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  201.400999][ T5025]  ? __kernel_text_address (kernel/extable.c:79)
[  201.401001][ T5025]  ? write_profile (profile.c:?)
[  201.401004][ T5025]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  201.401008][ T5025]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  201.401010][ T5025]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  201.401012][ T5025]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  201.401013][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401014][ T5025]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  201.401018][ T5025]  ? kasan_save_stack (mm/kasan/common.c:58)
[  201.401020][ T5025]  ? kasan_save_stack (mm/kasan/common.c:57)
[  201.401021][ T5025]  ? kasan_save_track (mm/kasan/common.c:78)
[  201.401022][ T5025]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  201.401023][ T5025]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  201.401024][ T5025]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  201.401026][ T5025]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  201.401027][ T5025]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  201.401030][ T5025]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  201.401031][ T5025]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  201.401033][ T5025]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  201.401035][ T5025]  ? ____sys_sendmsg (net/socket.c:2713)
[  201.401037][ T5025]  ? ___sys_sendmsg (net/socket.c:2767)
[  201.401038][ T5025]  ? __sys_sendmsg (net/socket.c:2799)
[  201.401040][ T5025]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  201.401043][ T5025]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  201.401045][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401047][ T5025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.401048][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401049][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401051][ T5025]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  201.401052][ T5025]  ? __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)
[  201.401053][ T5025]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  201.401055][ T5025]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  201.401056][ T5025]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  201.401058][ T5025]  ? nla_get_range_signed (lib/nlattr.c:270)
[  201.401061][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401062][ T5025]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  201.401065][ T5025]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  201.401067][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401068][ T5025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  201.401069][ T5025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.401071][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401073][ T5025]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  201.401075][ T5025]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  201.401077][ T5025]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  201.401078][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401079][ T5025]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  201.401083][ T5025]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  201.401085][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401086][ T5025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.401088][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401089][ T5025]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  201.401091][ T5025]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  201.401092][ T5025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  201.401094][ T5025]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  201.401096][ T5025]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  201.401098][ T5025]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  201.401100][ T5025]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  201.401101][ T5025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.401103][ T5025]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  201.401105][ T5025]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  201.401108][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401109][ T5025]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  201.401112][ T5025]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  201.401114][ T5025]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  201.401116][ T5025]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  201.401118][ T5025]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  201.401120][ T5025]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  201.401122][ T5025]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  201.401124][ T5025]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  201.401125][ T5025]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  201.401129][ T5025]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  201.401131][ T5025]  ____sys_sendmsg (net/socket.c:2713)
[  201.401133][ T5025]  ? copy_msghdr_from_user (net/socket.c:2650)
[  201.401134][ T5025]  ? sock_write_iter (net/socket.c:1269)
[  201.401136][ T5025]  ? move_addr_to_kernel (net/socket.c:258)
[  201.401138][ T5025]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  201.401140][ T5025]  ___sys_sendmsg (net/socket.c:2767)
[  201.401142][ T5025]  ? copy_msghdr_from_user (net/socket.c:2619)
[  201.401147][ T5025]  __sys_sendmsg (net/socket.c:2799)
[  201.401149][ T5025]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  201.401152][ T5025]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  201.401154][ T5025]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  201.401156][ T5025]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  201.401158][ T5025]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  201.401159][ T5025] RIP: 0033:0x7f442b51554e
[  201.401161][ T5025] 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
[  201.401163][ T5025] RSP: 002b:00007ffc01857d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  201.401167][ T5025] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f442b51554e
[  201.401168][ T5025] RDX: 0000000000000000 RSI: 00007ffc01857e10 RDI: 0000000000000005
[  201.401169][ T5025] RBP: 00007ffc01857d70 R08: 0000000000000000 R09: 0000000000000000
[  201.401170][ T5025] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150c2
[  201.401171][ T5025] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc018584d0
| [  202.650762][ T5083] softirqs last disabled at (0): 0x0
| [  202.650764][ T5083] Preemption disabled at:
| [  202.650765][ T5083] vprintk_emit (kernel/printk/printk.c:2471)
| [  202.650776][ T5083] Tainted: [W]=WARN
[  202.650777][ T5083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  202.650778][ T5083] Call Trace:
[  202.650780][ T5083]  <TASK>
[  202.650782][ T5083]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  202.650787][ T5083]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  202.650789][ T5083]  __might_resched.cold (kernel/sched/core.c:9234)
[  202.650793][ T5083]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  202.650795][ T5083]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  202.650799][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650801][ T5083]  __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))
[  202.650804][ T5083]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  202.650808][ T5083]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.650813][ T5083]  ? 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)
[  202.650815][ T5083]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.650817][ T5083]  put_chars (drivers/char/virtio_console.c:1176)
[  202.650819][ T5083]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  202.650821][ T5083]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  202.650824][ T5083]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  202.650829][ T5083]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  202.650831][ T5083]  ? vsnprintf (lib/vsprintf.c:2900)
[  202.650834][ T5083]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  202.650836][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650837][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650839][ T5083]  console_emit_next_record (kernel/printk/printk.c:3183)
[  202.650842][ T5083]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  202.650844][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650845][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650846][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650847][ T5083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.650849][ T5083]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  202.650851][ T5083]  console_flush_one_record (kernel/printk/printk.c:3268)
[  202.650853][ T5083]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  202.650856][ T5083]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  202.650858][ T5083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.650859][ T5083]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  202.650861][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650862][ T5083]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.650864][ T5083]  ? 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)
[  202.650865][ T5083]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  202.650867][ T5083]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  202.650869][ T5083]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  202.650870][ T5083]  vprintk_emit (kernel/printk/printk.c:2479)
[  202.650872][ T5083]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  202.650873][ T5083]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  202.650875][ T5083]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  202.650878][ T5083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.650880][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650881][ T5083]  _printk (kernel/printk/printk.c:2504)
[  202.650884][ T5083]  ? snapshot_read.cold (user.c:?)
[  202.650886][ T5083]  ? br_multicast_flood (??:?)
[  202.650890][ T5083]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  202.650893][ T5083]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  202.650894][ T5083]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  202.650896][ T5083]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  202.650898][ T5083]  br_init_port (net/bridge/br_stp_if.c:39)
[  202.650900][ T5083]  new_nbp (net/bridge/br_if.c:449)
[  202.650902][ T5083]  br_add_if (net/bridge/br_if.c:592)
[  202.650904][ T5083]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  202.650908][ T5083]  do_set_master (net/core/rtnetlink.c:3071)
[  202.650910][ T5083]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  202.650912][ T5083]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  202.650913][ T5083]  ? __dev_get_by_name (net/core/dev.c:905)
[  202.650915][ T5083]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  202.650919][ T5083]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  202.650922][ T5083]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  202.650924][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650925][ T5083]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.650926][ T5083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.650928][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650929][ T5083]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  202.650932][ T5083]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  202.650933][ T5083]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  202.650936][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650937][ T5083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.650939][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650940][ T5083]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.650941][ T5083]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  202.650943][ T5083]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.650944][ T5083]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  202.650946][ T5083]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  202.650950][ T5083]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  202.650953][ T5083]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.650954][ T5083]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.650956][ T5083]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  202.650957][ T5083]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  202.650961][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.650962][ T5083]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.650964][ T5083]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  202.650966][ T5083]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  202.650968][ T5083]  ? next_uptodate_folio (mm/filemap.c:3747)
[  202.650971][ T5083]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  202.650973][ T5083]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  202.650975][ T5083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.650977][ T5083]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  202.650980][ T5083]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  202.650983][ T5083]  ____sys_sendmsg (net/socket.c:2713)
[  202.650985][ T5083]  ? copy_msghdr_from_user (net/socket.c:2650)
[  202.650987][ T5083]  ? sock_write_iter (net/socket.c:1269)
[  202.650988][ T5083]  ? move_addr_to_kernel (net/socket.c:258)
[  202.650991][ T5083]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  202.650999][ T5083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.651001][ T5083]  ___sys_sendmsg (net/socket.c:2767)
[  202.651003][ T5083]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  202.651004][ T5083]  ? copy_msghdr_from_user (net/socket.c:2619)
[  202.651006][ T5083]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  202.651011][ T5083]  __sys_sendmsg (net/socket.c:2799)
[  202.651013][ T5083]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  202.651016][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.651017][ T5083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.651018][ T5083]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  202.651021][ T5083]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  202.651023][ T5083]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  202.651025][ T5083] RIP: 0033:0x7fede578654e
[  202.651027][ T5083] 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
[  202.651029][ T5083] RSP: 002b:00007ffdc37d41d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  202.651033][ T5083] RAX: ffffffffffffffda RBX: 00007ffdc37d4998 RCX: 00007fede578654e
[  202.651034][ T5083] RDX: 0000000000000000 RSI: 00007ffdc37d4280 RDI: 0000000000000005
[  202.651035][ T5083] RBP: 00007ffdc37d41e0 R08: 0000000000000000 R09: 0000000000000000
[  202.651036][ T5083] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150c3
[  202.651037][ T5083] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc37d4950
| [  208.286862][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  208.286865][   T12] Preemption disabled at:
| [  208.286865][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  208.286876][   T12] Tainted: [W]=WARN
[  208.286877][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  208.286880][   T12] Workqueue: netns cleanup_net
[  208.286886][   T12] Call Trace:
[  208.286888][   T12]  <TASK>
[  208.286889][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  208.286895][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  208.286897][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  208.286900][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  208.286903][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  208.286906][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.286909][   T12]  __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))
[  208.286912][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  208.286916][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  208.286920][   T12]  ? 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)
[  208.286922][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  208.286925][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  208.286927][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  208.286929][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  208.286931][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  208.286936][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  208.286938][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  208.286941][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  208.286942][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.286944][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.286946][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  208.286949][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  208.286951][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.286952][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.286953][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.286954][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.286957][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  208.286959][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  208.286962][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  208.286965][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  208.286967][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.286968][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  208.286970][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.286971][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  208.286973][   T12]  ? 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)
[  208.286975][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  208.286976][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  208.286979][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  208.286980][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  208.286982][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  208.286983][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  208.286985][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  208.286988][   T12]  ? kthread (kernel/kthread.c:436)
[  208.286990][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  208.286993][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  208.286996][   T12]  _printk (kernel/printk/printk.c:2504)
[  208.286999][   T12]  ? snapshot_read.cold (user.c:?)
[  208.287002][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  208.287005][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  208.287007][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  208.287010][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  208.287012][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.287013][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  208.287015][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  208.287018][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  208.287019][   T12]  ? 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)
[  208.287021][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  208.287028][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  208.287030][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  208.287035][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  208.287037][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  208.287040][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  208.287042][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  208.287044][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  208.287047][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  208.287049][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  208.287051][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  208.287053][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  208.287054][   T12]  process_one_work (kernel/workqueue.c:3387)
[  208.287058][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  208.287060][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  208.287062][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  208.287065][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  208.287068][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  208.287070][   T12]  kthread (kernel/kthread.c:436)
[  208.287072][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  208.287074][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  208.287076][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  208.287078][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  208.287080][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  208.287083][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  208.287085][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  209.719778][ T5207] softirqs last disabled at (0): 0x0
| [  209.719780][ T5207] Preemption disabled at:
| [  209.719781][ T5207] vprintk_emit (kernel/printk/printk.c:2471)
| [  209.719792][ T5207] Tainted: [W]=WARN
[  209.719793][ T5207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  209.719795][ T5207] Call Trace:
[  209.719796][ T5207]  <TASK>
[  209.719798][ T5207]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  209.719804][ T5207]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  209.719805][ T5207]  __might_resched.cold (kernel/sched/core.c:9234)
[  209.719809][ T5207]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  209.719812][ T5207]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  209.719815][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719818][ T5207]  __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))
[  209.719821][ T5207]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  209.719825][ T5207]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  209.719830][ T5207]  ? 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)
[  209.719832][ T5207]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  209.719834][ T5207]  put_chars (drivers/char/virtio_console.c:1176)
[  209.719836][ T5207]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  209.719838][ T5207]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  209.719841][ T5207]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  209.719846][ T5207]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  209.719848][ T5207]  ? vsnprintf (lib/vsprintf.c:2900)
[  209.719851][ T5207]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  209.719853][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719854][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719856][ T5207]  console_emit_next_record (kernel/printk/printk.c:3183)
[  209.719859][ T5207]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  209.719861][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719862][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719864][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719865][ T5207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.719867][ T5207]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  209.719869][ T5207]  console_flush_one_record (kernel/printk/printk.c:3268)
[  209.719872][ T5207]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  209.719875][ T5207]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  209.719877][ T5207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.719879][ T5207]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  209.719880][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719882][ T5207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  209.719883][ T5207]  ? 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)
[  209.719885][ T5207]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  209.719886][ T5207]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  209.719888][ T5207]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  209.719890][ T5207]  vprintk_emit (kernel/printk/printk.c:2479)
[  209.719892][ T5207]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  209.719893][ T5207]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  209.719895][ T5207]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  209.719898][ T5207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.719899][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719901][ T5207]  _printk (kernel/printk/printk.c:2504)
[  209.719904][ T5207]  ? snapshot_read.cold (user.c:?)
[  209.719906][ T5207]  ? br_multicast_flood (??:?)
[  209.719910][ T5207]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  209.719912][ T5207]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  209.719914][ T5207]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  209.719916][ T5207]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  209.719918][ T5207]  br_init_port (net/bridge/br_stp_if.c:39)
[  209.719920][ T5207]  new_nbp (net/bridge/br_if.c:449)
[  209.719923][ T5207]  br_add_if (net/bridge/br_if.c:592)
[  209.719925][ T5207]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  209.719929][ T5207]  do_set_master (net/core/rtnetlink.c:3071)
[  209.719931][ T5207]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  209.719933][ T5207]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  209.719934][ T5207]  ? __dev_get_by_name (net/core/dev.c:905)
[  209.719936][ T5207]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  209.719940][ T5207]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  209.719943][ T5207]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  209.719946][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719947][ T5207]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  209.719948][ T5207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.719950][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719951][ T5207]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  209.719954][ T5207]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  209.719956][ T5207]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  209.719958][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719960][ T5207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.719961][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719962][ T5207]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  209.719964][ T5207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  209.719966][ T5207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  209.719967][ T5207]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  209.719969][ T5207]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  209.719973][ T5207]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  209.719976][ T5207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  209.719978][ T5207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  209.719981][ T5207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  209.719984][ T5207]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  209.719989][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.719991][ T5207]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  209.719994][ T5207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  209.719997][ T5207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  209.720000][ T5207]  ? next_uptodate_folio (mm/filemap.c:3747)
[  209.720003][ T5207]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  209.720005][ T5207]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  209.720007][ T5207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.720009][ T5207]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  209.720013][ T5207]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  209.720016][ T5207]  ____sys_sendmsg (net/socket.c:2713)
[  209.720018][ T5207]  ? copy_msghdr_from_user (net/socket.c:2650)
[  209.720020][ T5207]  ? sock_write_iter (net/socket.c:1269)
[  209.720021][ T5207]  ? move_addr_to_kernel (net/socket.c:258)
[  209.720024][ T5207]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  209.720026][ T5207]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.720028][ T5207]  ___sys_sendmsg (net/socket.c:2767)
[  209.720030][ T5207]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  209.720038][ T5207]  ? copy_msghdr_from_user (net/socket.c:2619)
[  209.720040][ T5207]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  209.720044][ T5207]  __sys_sendmsg (net/socket.c:2799)
[  209.720047][ T5207]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  209.720049][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.720051][ T5207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.720052][ T5207]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  209.720055][ T5207]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  209.720057][ T5207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  209.720059][ T5207] RIP: 0033:0x7f564ba7354e
[  209.720061][ T5207] 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
[  209.720064][ T5207] RSP: 002b:00007ffdbf6c7ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  209.720068][ T5207] RAX: ffffffffffffffda RBX: 00007ffdbf6c8298 RCX: 00007f564ba7354e
[  209.720070][ T5207] RDX: 0000000000000000 RSI: 00007ffdbf6c7b80 RDI: 0000000000000005
[  209.720071][ T5207] RBP: 00007ffdbf6c7ae0 R08: 0000000000000000 R09: 0000000000000000
[  209.720072][ T5207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150cb
[  209.720073][ T5207] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbf6c8250
| [  211.255311][ T5276] softirqs last disabled at (0): 0x0
| [  211.255313][ T5276] Preemption disabled at:
| [  211.255314][ T5276] vprintk_emit (kernel/printk/printk.c:2471)
| [  211.255324][ T5276] Tainted: [W]=WARN
[  211.255325][ T5276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  211.255326][ T5276] Call Trace:
[  211.255328][ T5276]  <TASK>
[  211.255329][ T5276]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  211.255335][ T5276]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  211.255336][ T5276]  __might_resched.cold (kernel/sched/core.c:9234)
[  211.255340][ T5276]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  211.255343][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255346][ T5276]  __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))
[  211.255349][ T5276]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.255352][ T5276]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.255357][ T5276]  ? 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)
[  211.255358][ T5276]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  211.255361][ T5276]  put_chars (drivers/char/virtio_console.c:1176)
[  211.255363][ T5276]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  211.255364][ T5276]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  211.255366][ T5276]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  211.255368][ T5276]  ? pointer (lib/vsprintf.c:2577)
[  211.255372][ T5276]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  211.255377][ T5276]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  211.255378][ T5276]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.255380][ T5276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.255383][ T5276]  console_emit_next_record (kernel/printk/printk.c:3183)
[  211.255386][ T5276]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  211.255388][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255389][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255390][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255391][ T5276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.255393][ T5276]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  211.255395][ T5276]  console_flush_one_record (kernel/printk/printk.c:3268)
[  211.255397][ T5276]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  211.255403][ T5276]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  211.255405][ T5276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.255407][ T5276]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  211.255409][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255410][ T5276]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.255412][ T5276]  ? 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)
[  211.255413][ T5276]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  211.255415][ T5276]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  211.255417][ T5276]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  211.255419][ T5276]  vprintk_emit (kernel/printk/printk.c:2479)
[  211.255421][ T5276]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  211.255422][ T5276]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  211.255424][ T5276]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  211.255428][ T5276]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  211.255430][ T5276]  _printk (kernel/printk/printk.c:2504)
[  211.255433][ T5276]  ? snapshot_read.cold (user.c:?)
[  211.255435][ T5276]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  211.255438][ T5276]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  211.255441][ T5276]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  211.255443][ T5276]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  211.255446][ T5276]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  211.255448][ T5276]  ? netdev_notice (net/core/dev.c:13194)
[  211.255451][ T5276]  ? 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)
[  211.255452][ T5276]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  211.255455][ T5276]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  211.255457][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255458][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255459][ T5276]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  211.255460][ T5276]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  211.255462][ T5276]  ? 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)
[  211.255463][ T5276]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  211.255464][ T5276]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  211.255466][ T5276]  ? register_netdev (net/core/dev.c:11618)
[  211.255468][ T5276]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.255470][ T5276]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  211.255473][ T5276]  ? __kernel_text_address (kernel/extable.c:79)
[  211.255475][ T5276]  ? write_profile (profile.c:?)
[  211.255478][ T5276]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  211.255481][ T5276]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  211.255483][ T5276]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  211.255485][ T5276]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  211.255486][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255487][ T5276]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  211.255491][ T5276]  ? kasan_save_stack (mm/kasan/common.c:58)
[  211.255493][ T5276]  ? kasan_save_stack (mm/kasan/common.c:57)
[  211.255494][ T5276]  ? kasan_save_track (mm/kasan/common.c:78)
[  211.255495][ T5276]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  211.255496][ T5276]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  211.255498][ T5276]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  211.255499][ T5276]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  211.255500][ T5276]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  211.255503][ T5276]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  211.255504][ T5276]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  211.255506][ T5276]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  211.255508][ T5276]  ? ____sys_sendmsg (net/socket.c:2713)
[  211.255510][ T5276]  ? ___sys_sendmsg (net/socket.c:2767)
[  211.255511][ T5276]  ? __sys_sendmsg (net/socket.c:2799)
[  211.255513][ T5276]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  211.255515][ T5276]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.255518][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255519][ T5276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.255521][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255522][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255523][ T5276]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  211.255524][ T5276]  ? __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)
[  211.255525][ T5276]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  211.255527][ T5276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  211.255528][ T5276]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  211.255529][ T5276]  ? nla_get_range_signed (lib/nlattr.c:270)
[  211.255533][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255534][ T5276]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  211.255536][ T5276]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  211.255538][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255539][ T5276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  211.255540][ T5276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.255542][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255543][ T5276]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  211.255545][ T5276]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  211.255547][ T5276]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  211.255548][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255549][ T5276]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  211.255553][ T5276]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  211.255555][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255556][ T5276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.255557][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255559][ T5276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  211.255560][ T5276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  211.255562][ T5276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  211.255563][ T5276]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  211.255565][ T5276]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  211.255567][ T5276]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  211.255569][ T5276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  211.255570][ T5276]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.255572][ T5276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  211.255574][ T5276]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  211.255577][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255578][ T5276]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  211.255580][ T5276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  211.255582][ T5276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  211.255584][ T5276]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.255586][ T5276]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  211.255588][ T5276]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  211.255590][ T5276]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  211.255591][ T5276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  211.255593][ T5276]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  211.255597][ T5276]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  211.255599][ T5276]  ____sys_sendmsg (net/socket.c:2713)
[  211.255600][ T5276]  ? copy_msghdr_from_user (net/socket.c:2650)
[  211.255602][ T5276]  ? sock_write_iter (net/socket.c:1269)
[  211.255603][ T5276]  ? move_addr_to_kernel (net/socket.c:258)
[  211.255605][ T5276]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  211.255607][ T5276]  ___sys_sendmsg (net/socket.c:2767)
[  211.255610][ T5276]  ? copy_msghdr_from_user (net/socket.c:2619)
[  211.255614][ T5276]  __sys_sendmsg (net/socket.c:2799)
[  211.255616][ T5276]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  211.255619][ T5276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  211.255621][ T5276]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  211.255622][ T5276]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  211.255624][ T5276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  211.255626][ T5276] RIP: 0033:0x7f462068054e
[  211.255628][ T5276] 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
[  211.255630][ T5276] RSP: 002b:00007ffd298fb970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  211.255633][ T5276] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f462068054e
[  211.255635][ T5276] RDX: 0000000000000000 RSI: 00007ffd298fba20 RDI: 0000000000000005
[  211.255636][ T5276] RBP: 00007ffd298fb980 R08: 0000000000000000 R09: 0000000000000000
[  211.255637][ T5276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150cc
[  211.255637][ T5276] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd298fc0e0
| [  212.559641][ T5333] softirqs last disabled at (0): 0x0
| [  212.559643][ T5333] Preemption disabled at:
| [  212.559644][ T5333] vprintk_emit (kernel/printk/printk.c:2471)
| [  212.559654][ T5333] Tainted: [W]=WARN
[  212.559656][ T5333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  212.559657][ T5333] Call Trace:
[  212.559659][ T5333]  <TASK>
[  212.559661][ T5333]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  212.559666][ T5333]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  212.559668][ T5333]  __might_resched.cold (kernel/sched/core.c:9234)
[  212.559672][ T5333]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  212.559674][ T5333]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  212.559677][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559680][ T5333]  __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))
[  212.559683][ T5333]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.559686][ T5333]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.559691][ T5333]  ? 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)
[  212.559693][ T5333]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  212.559695][ T5333]  put_chars (drivers/char/virtio_console.c:1176)
[  212.559697][ T5333]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  212.559699][ T5333]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  212.559702][ T5333]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  212.559706][ T5333]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  212.559708][ T5333]  ? vsnprintf (lib/vsprintf.c:2900)
[  212.559712][ T5333]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.559713][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559714][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559716][ T5333]  console_emit_next_record (kernel/printk/printk.c:3183)
[  212.559719][ T5333]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  212.559721][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559722][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559723][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559724][ T5333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.559727][ T5333]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  212.559728][ T5333]  console_flush_one_record (kernel/printk/printk.c:3268)
[  212.559731][ T5333]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  212.559734][ T5333]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  212.559735][ T5333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.559737][ T5333]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  212.559739][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559740][ T5333]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.559741][ T5333]  ? 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)
[  212.559743][ T5333]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  212.559744][ T5333]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  212.559746][ T5333]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  212.559748][ T5333]  vprintk_emit (kernel/printk/printk.c:2479)
[  212.559749][ T5333]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  212.559751][ T5333]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  212.559752][ T5333]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  212.559755][ T5333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.559757][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559758][ T5333]  _printk (kernel/printk/printk.c:2504)
[  212.559761][ T5333]  ? snapshot_read.cold (user.c:?)
[  212.559763][ T5333]  ? br_multicast_flood (??:?)
[  212.559767][ T5333]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  212.559769][ T5333]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  212.559771][ T5333]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  212.559772][ T5333]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  212.559776][ T5333]  br_init_port (net/bridge/br_stp_if.c:39)
[  212.559777][ T5333]  new_nbp (net/bridge/br_if.c:449)
[  212.559779][ T5333]  br_add_if (net/bridge/br_if.c:592)
[  212.559781][ T5333]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  212.559786][ T5333]  do_set_master (net/core/rtnetlink.c:3071)
[  212.559787][ T5333]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  212.559789][ T5333]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  212.559791][ T5333]  ? __dev_get_by_name (net/core/dev.c:905)
[  212.559792][ T5333]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  212.559796][ T5333]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  212.559799][ T5333]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  212.559801][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559802][ T5333]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  212.559803][ T5333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.559805][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559806][ T5333]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  212.559809][ T5333]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  212.559811][ T5333]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  212.559813][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559815][ T5333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.559816][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559817][ T5333]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  212.559819][ T5333]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  212.559820][ T5333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  212.559822][ T5333]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  212.559823][ T5333]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  212.559827][ T5333]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  212.559830][ T5333]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  212.559832][ T5333]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.559833][ T5333]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  212.559835][ T5333]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  212.559838][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559839][ T5333]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  212.559841][ T5333]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  212.559843][ T5333]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  212.559845][ T5333]  ? next_uptodate_folio (mm/filemap.c:3747)
[  212.559848][ T5333]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  212.559851][ T5333]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  212.559853][ T5333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.559854][ T5333]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  212.559858][ T5333]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  212.559861][ T5333]  ____sys_sendmsg (net/socket.c:2713)
[  212.559863][ T5333]  ? copy_msghdr_from_user (net/socket.c:2650)
[  212.559864][ T5333]  ? sock_write_iter (net/socket.c:1269)
[  212.559866][ T5333]  ? move_addr_to_kernel (net/socket.c:258)
[  212.559868][ T5333]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  212.559871][ T5333]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  212.559873][ T5333]  ___sys_sendmsg (net/socket.c:2767)
[  212.559874][ T5333]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  212.559876][ T5333]  ? copy_msghdr_from_user (net/socket.c:2619)
[  212.559878][ T5333]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  212.559882][ T5333]  __sys_sendmsg (net/socket.c:2799)
[  212.559884][ T5333]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  212.559887][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559888][ T5333]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  212.559890][ T5333]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  212.559893][ T5333]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  212.559895][ T5333]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  212.559897][ T5333] RIP: 0033:0x7f095183054e
[  212.559899][ T5333] 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
[  212.559901][ T5333] RSP: 002b:00007fff736ca760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  212.559904][ T5333] RAX: ffffffffffffffda RBX: 00007fff736caf28 RCX: 00007f095183054e
[  212.559906][ T5333] RDX: 0000000000000000 RSI: 00007fff736ca810 RDI: 0000000000000005
[  212.559907][ T5333] RBP: 00007fff736ca770 R08: 0000000000000000 R09: 0000000000000000
[  212.559908][ T5333] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150cd
[  212.559909][ T5333] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff736caee0
| [  218.187025][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  218.187028][   T12] Preemption disabled at:
| [  218.187030][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  218.187043][   T12] Tainted: [W]=WARN
[  218.187044][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  218.187046][   T12] Workqueue: netns cleanup_net
[  218.187054][   T12] Call Trace:
[  218.187056][   T12]  <TASK>
[  218.187058][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  218.187065][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  218.187067][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  218.187072][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  218.187076][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  218.187086][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.187090][   T12]  __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))
[  218.187094][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  218.187098][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.187104][   T12]  ? 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)
[  218.187107][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.187111][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  218.187113][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  218.187116][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  218.187120][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  218.187127][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  218.187130][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  218.187133][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  218.187135][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.187137][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.187141][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  218.187145][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  218.187148][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.187150][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.187152][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.187154][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.187158][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  218.187161][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  218.187164][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  218.187169][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  218.187171][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.187174][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  218.187177][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.187179][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  218.187182][   T12]  ? 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)
[  218.187184][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  218.187187][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  218.187190][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  218.187193][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  218.187196][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  218.187198][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  218.187201][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  218.187205][   T12]  ? kthread (kernel/kthread.c:436)
[  218.187208][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  218.187212][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  218.187216][   T12]  _printk (kernel/printk/printk.c:2504)
[  218.187221][   T12]  ? snapshot_read.cold (user.c:?)
[  218.187224][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  218.187228][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  218.187232][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  218.187235][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  218.187238][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.187241][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  218.187243][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  218.187247][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  218.187250][   T12]  ? 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)
[  218.187252][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  218.187256][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  218.187260][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  218.187266][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  218.187270][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  218.187273][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  218.187277][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  218.187280][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  218.187284][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  218.187287][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  218.187291][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.187293][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.187296][   T12]  process_one_work (kernel/workqueue.c:3387)
[  218.187301][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  218.187304][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  218.187307][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  218.187312][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  218.187316][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  218.187319][   T12]  kthread (kernel/kthread.c:436)
[  218.187322][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  218.187325][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  218.187328][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  218.187331][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  218.187334][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  218.187339][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  218.187342][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  219.614428][ T5457] softirqs last disabled at (0): 0x0
| [  219.614431][ T5457] Preemption disabled at:
| [  219.614432][ T5457] vprintk_emit (kernel/printk/printk.c:2471)
| [  219.614445][ T5457] Tainted: [W]=WARN
[  219.614447][ T5457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  219.614449][ T5457] Call Trace:
[  219.614451][ T5457]  <TASK>
[  219.614453][ T5457]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  219.614460][ T5457]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  219.614462][ T5457]  __might_resched.cold (kernel/sched/core.c:9234)
[  219.614467][ T5457]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  219.614471][ T5457]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  219.614475][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614479][ T5457]  __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))
[  219.614483][ T5457]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  219.614487][ T5457]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.614493][ T5457]  ? 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)
[  219.614496][ T5457]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  219.614500][ T5457]  put_chars (drivers/char/virtio_console.c:1176)
[  219.614502][ T5457]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  219.614505][ T5457]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  219.614510][ T5457]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  219.614516][ T5457]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  219.614519][ T5457]  ? vsnprintf (lib/vsprintf.c:2900)
[  219.614523][ T5457]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  219.614525][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614527][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614531][ T5457]  console_emit_next_record (kernel/printk/printk.c:3183)
[  219.614535][ T5457]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  219.614538][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614540][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614542][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614544][ T5457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.614548][ T5457]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  219.614551][ T5457]  console_flush_one_record (kernel/printk/printk.c:3268)
[  219.614554][ T5457]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  219.614559][ T5457]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  219.614561][ T5457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.614564][ T5457]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  219.614567][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614569][ T5457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.614571][ T5457]  ? 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)
[  219.614574][ T5457]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  219.614576][ T5457]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  219.614579][ T5457]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  219.614582][ T5457]  vprintk_emit (kernel/printk/printk.c:2479)
[  219.614585][ T5457]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  219.614587][ T5457]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  219.614590][ T5457]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  219.614594][ T5457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.614596][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614599][ T5457]  _printk (kernel/printk/printk.c:2504)
[  219.614603][ T5457]  ? snapshot_read.cold (user.c:?)
[  219.614606][ T5457]  ? br_multicast_flood (??:?)
[  219.614611][ T5457]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  219.614615][ T5457]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  219.614617][ T5457]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  219.614621][ T5457]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  219.614625][ T5457]  br_init_port (net/bridge/br_stp_if.c:39)
[  219.614627][ T5457]  new_nbp (net/bridge/br_if.c:449)
[  219.614631][ T5457]  br_add_if (net/bridge/br_if.c:592)
[  219.614634][ T5457]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  219.614640][ T5457]  do_set_master (net/core/rtnetlink.c:3071)
[  219.614643][ T5457]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  219.614646][ T5457]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  219.614648][ T5457]  ? __dev_get_by_name (net/core/dev.c:905)
[  219.614651][ T5457]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  219.614657][ T5457]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  219.614661][ T5457]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  219.614665][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614667][ T5457]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.614669][ T5457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.614672][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614674][ T5457]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  219.614678][ T5457]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  219.614681][ T5457]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  219.614684][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614686][ T5457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.614689][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614691][ T5457]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  219.614693][ T5457]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  219.614696][ T5457]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.614699][ T5457]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  219.614701][ T5457]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  219.614707][ T5457]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  219.614711][ T5457]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  219.614713][ T5457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.614716][ T5457]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  219.614719][ T5457]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  219.614723][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614726][ T5457]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  219.614729][ T5457]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  219.614733][ T5457]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  219.614736][ T5457]  ? next_uptodate_folio (mm/filemap.c:3747)
[  219.614741][ T5457]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  219.614744][ T5457]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  219.614748][ T5457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.614750][ T5457]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  219.614755][ T5457]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  219.614759][ T5457]  ____sys_sendmsg (net/socket.c:2713)
[  219.614762][ T5457]  ? copy_msghdr_from_user (net/socket.c:2650)
[  219.614765][ T5457]  ? sock_write_iter (net/socket.c:1269)
[  219.614767][ T5457]  ? move_addr_to_kernel (net/socket.c:258)
[  219.614771][ T5457]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  219.614775][ T5457]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  219.614778][ T5457]  ___sys_sendmsg (net/socket.c:2767)
[  219.614781][ T5457]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  219.614784][ T5457]  ? copy_msghdr_from_user (net/socket.c:2619)
[  219.614786][ T5457]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  219.614794][ T5457]  __sys_sendmsg (net/socket.c:2799)
[  219.614797][ T5457]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  219.614802][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614804][ T5457]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  219.614806][ T5457]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  219.614810][ T5457]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  219.614813][ T5457]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  219.614816][ T5457] RIP: 0033:0x7efce9f3554e
[  219.614819][ T5457] 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
[  219.614822][ T5457] RSP: 002b:00007ffd7d938580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  219.614827][ T5457] RAX: ffffffffffffffda RBX: 00007ffd7d938d48 RCX: 00007efce9f3554e
[  219.614829][ T5457] RDX: 0000000000000000 RSI: 00007ffd7d938630 RDI: 0000000000000005
[  219.614831][ T5457] RBP: 00007ffd7d938590 R08: 0000000000000000 R09: 0000000000000000
[  219.614833][ T5457] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150d4
[  219.614835][ T5457] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7d938d00
| [  221.080869][ T5525] softirqs last disabled at (0): 0x0
| [  221.080871][ T5525] Preemption disabled at:
| [  221.080872][ T5525] vprintk_emit (kernel/printk/printk.c:2471)
| [  221.080882][ T5525] Tainted: [W]=WARN
[  221.080884][ T5525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  221.080885][ T5525] Call Trace:
[  221.080887][ T5525]  <TASK>
[  221.080888][ T5525]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  221.080894][ T5525]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  221.080895][ T5525]  __might_resched.cold (kernel/sched/core.c:9234)
[  221.080899][ T5525]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  221.080902][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.080905][ T5525]  __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))
[  221.080908][ T5525]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  221.080911][ T5525]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.080916][ T5525]  ? 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)
[  221.080918][ T5525]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.080921][ T5525]  put_chars (drivers/char/virtio_console.c:1176)
[  221.080923][ T5525]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  221.080924][ T5525]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  221.080926][ T5525]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  221.080929][ T5525]  ? pointer (lib/vsprintf.c:2577)
[  221.080932][ T5525]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  221.080937][ T5525]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  221.080939][ T5525]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  221.080941][ T5525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.080943][ T5525]  console_emit_next_record (kernel/printk/printk.c:3183)
[  221.080946][ T5525]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  221.080948][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.080949][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.080950][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.080951][ T5525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.080954][ T5525]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  221.080955][ T5525]  console_flush_one_record (kernel/printk/printk.c:3268)
[  221.080958][ T5525]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  221.080961][ T5525]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  221.080962][ T5525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.080964][ T5525]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  221.080966][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.080967][ T5525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.080969][ T5525]  ? 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)
[  221.080970][ T5525]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  221.080972][ T5525]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  221.080974][ T5525]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  221.080977][ T5525]  vprintk_emit (kernel/printk/printk.c:2479)
[  221.080979][ T5525]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  221.080981][ T5525]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  221.080984][ T5525]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  221.080988][ T5525]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  221.080992][ T5525]  _printk (kernel/printk/printk.c:2504)
[  221.080996][ T5525]  ? snapshot_read.cold (user.c:?)
[  221.080998][ T5525]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  221.081000][ T5525]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  221.081003][ T5525]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  221.081005][ T5525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  221.081009][ T5525]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  221.081011][ T5525]  ? netdev_notice (net/core/dev.c:13194)
[  221.081013][ T5525]  ? 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)
[  221.081015][ T5525]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  221.081018][ T5525]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  221.081020][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081021][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081022][ T5525]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  221.081023][ T5525]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  221.081025][ T5525]  ? 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)
[  221.081027][ T5525]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  221.081028][ T5525]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  221.081030][ T5525]  ? register_netdev (net/core/dev.c:11618)
[  221.081031][ T5525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.081034][ T5525]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  221.081036][ T5525]  ? __kernel_text_address (kernel/extable.c:79)
[  221.081039][ T5525]  ? write_profile (profile.c:?)
[  221.081042][ T5525]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  221.081045][ T5525]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  221.081047][ T5525]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  221.081049][ T5525]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  221.081050][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081051][ T5525]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  221.081055][ T5525]  ? kasan_save_stack (mm/kasan/common.c:58)
[  221.081057][ T5525]  ? kasan_save_stack (mm/kasan/common.c:57)
[  221.081058][ T5525]  ? kasan_save_track (mm/kasan/common.c:78)
[  221.081059][ T5525]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  221.081060][ T5525]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  221.081061][ T5525]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  221.081063][ T5525]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  221.081064][ T5525]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  221.081067][ T5525]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.081068][ T5525]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.081070][ T5525]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  221.081073][ T5525]  ? ____sys_sendmsg (net/socket.c:2713)
[  221.081074][ T5525]  ? ___sys_sendmsg (net/socket.c:2767)
[  221.081075][ T5525]  ? __sys_sendmsg (net/socket.c:2799)
[  221.081077][ T5525]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.081079][ T5525]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.081082][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081083][ T5525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.081085][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081086][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081087][ T5525]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  221.081089][ T5525]  ? __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)
[  221.081090][ T5525]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  221.081091][ T5525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  221.081093][ T5525]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  221.081102][ T5525]  ? nla_get_range_signed (lib/nlattr.c:270)
[  221.081106][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081107][ T5525]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  221.081109][ T5525]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  221.081111][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081113][ T5525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.081114][ T5525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.081115][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081117][ T5525]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  221.081119][ T5525]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  221.081120][ T5525]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  221.081122][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081123][ T5525]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  221.081126][ T5525]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  221.081129][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081130][ T5525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.081132][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081133][ T5525]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.081134][ T5525]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  221.081136][ T5525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.081137][ T5525]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  221.081139][ T5525]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  221.081141][ T5525]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  221.081143][ T5525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.081145][ T5525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.081146][ T5525]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  221.081148][ T5525]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  221.081151][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081152][ T5525]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.081154][ T5525]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.081156][ T5525]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  221.081158][ T5525]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.081160][ T5525]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.081162][ T5525]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  221.081164][ T5525]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  221.081166][ T5525]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.081167][ T5525]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  221.081170][ T5525]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  221.081172][ T5525]  ____sys_sendmsg (net/socket.c:2713)
[  221.081174][ T5525]  ? copy_msghdr_from_user (net/socket.c:2650)
[  221.081176][ T5525]  ? sock_write_iter (net/socket.c:1269)
[  221.081177][ T5525]  ? move_addr_to_kernel (net/socket.c:258)
[  221.081179][ T5525]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  221.081182][ T5525]  ___sys_sendmsg (net/socket.c:2767)
[  221.081184][ T5525]  ? copy_msghdr_from_user (net/socket.c:2619)
[  221.081188][ T5525]  __sys_sendmsg (net/socket.c:2799)
[  221.081190][ T5525]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  221.081193][ T5525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.081195][ T5525]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.081197][ T5525]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  221.081199][ T5525]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.081200][ T5525] RIP: 0033:0x7fc3238e754e
[  221.081202][ T5525] 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
[  221.081204][ T5525] RSP: 002b:00007ffca40bee10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  221.081208][ T5525] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc3238e754e
[  221.081209][ T5525] RDX: 0000000000000000 RSI: 00007ffca40beec0 RDI: 0000000000000005
[  221.081211][ T5525] RBP: 00007ffca40bee20 R08: 0000000000000000 R09: 0000000000000000
[  221.081211][ T5525] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150d6
[  221.081212][ T5525] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca40bf580
| [  222.384602][ T5583] softirqs last disabled at (0): 0x0
| [  222.384604][ T5583] Preemption disabled at:
| [  222.384604][ T5583] vprintk_emit (kernel/printk/printk.c:2471)
| [  222.384614][ T5583] Tainted: [W]=WARN
[  222.384616][ T5583] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  222.384617][ T5583] Call Trace:
[  222.384619][ T5583]  <TASK>
[  222.384620][ T5583]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  222.384626][ T5583]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  222.384627][ T5583]  __might_resched.cold (kernel/sched/core.c:9234)
[  222.384631][ T5583]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  222.384633][ T5583]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  222.384637][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384639][ T5583]  __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))
[  222.384642][ T5583]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  222.384646][ T5583]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  222.384651][ T5583]  ? 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)
[  222.384653][ T5583]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  222.384656][ T5583]  put_chars (drivers/char/virtio_console.c:1176)
[  222.384657][ T5583]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  222.384659][ T5583]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  222.384662][ T5583]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  222.384666][ T5583]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  222.384668][ T5583]  ? vsnprintf (lib/vsprintf.c:2900)
[  222.384672][ T5583]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  222.384674][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384675][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384676][ T5583]  console_emit_next_record (kernel/printk/printk.c:3183)
[  222.384679][ T5583]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  222.384681][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384682][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384683][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384685][ T5583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.384687][ T5583]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  222.384689][ T5583]  console_flush_one_record (kernel/printk/printk.c:3268)
[  222.384691][ T5583]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  222.384694][ T5583]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  222.384696][ T5583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.384698][ T5583]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  222.384700][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384701][ T5583]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  222.384702][ T5583]  ? 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)
[  222.384704][ T5583]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  222.384706][ T5583]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  222.384708][ T5583]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  222.384710][ T5583]  vprintk_emit (kernel/printk/printk.c:2479)
[  222.384711][ T5583]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  222.384713][ T5583]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  222.384714][ T5583]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  222.384717][ T5583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.384719][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384720][ T5583]  _printk (kernel/printk/printk.c:2504)
[  222.384723][ T5583]  ? snapshot_read.cold (user.c:?)
[  222.384725][ T5583]  ? br_multicast_flood (??:?)
[  222.384729][ T5583]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  222.384732][ T5583]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  222.384733][ T5583]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  222.384735][ T5583]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  222.384737][ T5583]  br_init_port (net/bridge/br_stp_if.c:39)
[  222.384739][ T5583]  new_nbp (net/bridge/br_if.c:449)
[  222.384741][ T5583]  br_add_if (net/bridge/br_if.c:592)
[  222.384743][ T5583]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  222.384747][ T5583]  do_set_master (net/core/rtnetlink.c:3071)
[  222.384749][ T5583]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  222.384751][ T5583]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  222.384752][ T5583]  ? __dev_get_by_name (net/core/dev.c:905)
[  222.384754][ T5583]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  222.384758][ T5583]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  222.384761][ T5583]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  222.384763][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384764][ T5583]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  222.384765][ T5583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.384767][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384769][ T5583]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  222.384771][ T5583]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  222.384773][ T5583]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  222.384775][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384776][ T5583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.384778][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384779][ T5583]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  222.384781][ T5583]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  222.384782][ T5583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  222.384784][ T5583]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  222.384785][ T5583]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  222.384789][ T5583]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  222.384792][ T5583]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  222.384793][ T5583]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  222.384795][ T5583]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  222.384796][ T5583]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  222.384799][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384800][ T5583]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  222.384802][ T5583]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  222.384805][ T5583]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  222.384807][ T5583]  ? next_uptodate_folio (mm/filemap.c:3747)
[  222.384810][ T5583]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  222.384812][ T5583]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  222.384814][ T5583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.384816][ T5583]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  222.384819][ T5583]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  222.384822][ T5583]  ____sys_sendmsg (net/socket.c:2713)
[  222.384824][ T5583]  ? copy_msghdr_from_user (net/socket.c:2650)
[  222.384826][ T5583]  ? sock_write_iter (net/socket.c:1269)
[  222.384827][ T5583]  ? move_addr_to_kernel (net/socket.c:258)
[  222.384829][ T5583]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  222.384832][ T5583]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  222.384834][ T5583]  ___sys_sendmsg (net/socket.c:2767)
[  222.384836][ T5583]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  222.384837][ T5583]  ? copy_msghdr_from_user (net/socket.c:2619)
[  222.384839][ T5583]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  222.384844][ T5583]  __sys_sendmsg (net/socket.c:2799)
[  222.384846][ T5583]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  222.384849][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384850][ T5583]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  222.384852][ T5583]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  222.384855][ T5583]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  222.384857][ T5583]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  222.384859][ T5583] RIP: 0033:0x7f30b487254e
[  222.384861][ T5583] 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
[  222.384863][ T5583] RSP: 002b:00007ffc1df039f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  222.384867][ T5583] RAX: ffffffffffffffda RBX: 00007ffc1df041b8 RCX: 00007f30b487254e
[  222.384868][ T5583] RDX: 0000000000000000 RSI: 00007ffc1df03aa0 RDI: 0000000000000005
[  222.384869][ T5583] RBP: 00007ffc1df03a00 R08: 0000000000000000 R09: 0000000000000000
[  222.384870][ T5583] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150d7
[  222.384871][ T5583] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1df04170
| [  236.779905][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  236.779908][   T12] Preemption disabled at:
| [  236.779909][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  236.779919][   T12] Tainted: [W]=WARN
[  236.779921][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  236.779922][   T12] Workqueue: netns cleanup_net
[  236.779928][   T12] Call Trace:
[  236.779930][   T12]  <TASK>
[  236.779932][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  236.779938][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  236.779939][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  236.779943][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  236.779945][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  236.779949][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.779951][   T12]  __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))
[  236.779954][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  236.779957][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.779962][   T12]  ? 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)
[  236.779964][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  236.779967][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  236.779969][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  236.779970][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  236.779973][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  236.779978][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  236.779980][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  236.779982][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  236.779984][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.779985][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.779987][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  236.779990][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  236.779992][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.779993][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.779994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.779996][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.779998][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  236.780000][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  236.780003][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  236.780006][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  236.780008][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.780009][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  236.780011][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.780012][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  236.780014][   T12]  ? 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)
[  236.780016][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  236.780017][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  236.780020][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  236.780021][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  236.780023][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  236.780024][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  236.780026][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  236.780029][   T12]  ? kthread (kernel/kthread.c:436)
[  236.780031][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  236.780034][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  236.780036][   T12]  _printk (kernel/printk/printk.c:2504)
[  236.780040][   T12]  ? snapshot_read.cold (user.c:?)
[  236.780042][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  236.780046][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  236.780048][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  236.780050][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  236.780053][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.780054][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  236.780056][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  236.780059][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  236.780061][   T12]  ? 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)
[  236.780062][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  236.780065][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  236.780067][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  236.780071][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  236.780074][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  236.780076][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  236.780079][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  236.780081][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  236.780084][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  236.780086][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  236.780088][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  236.780089][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  236.780091][   T12]  process_one_work (kernel/workqueue.c:3387)
[  236.780094][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  236.780096][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  236.780099][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  236.780102][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  236.780105][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  236.780107][   T12]  kthread (kernel/kthread.c:436)
[  236.780109][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  236.780110][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  236.780113][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  236.780114][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  236.780117][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  236.780120][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  236.780122][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  239.345506][ T5919] softirqs last disabled at (0): 0x0
| [  239.345508][ T5919] Preemption disabled at:
| [  239.345508][ T5919] vprintk_emit (kernel/printk/printk.c:2471)
| [  239.345518][ T5919] Tainted: [W]=WARN
[  239.345520][ T5919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  239.345521][ T5919] Call Trace:
[  239.345523][ T5919]  <TASK>
[  239.345524][ T5919]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  239.345530][ T5919]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  239.345532][ T5919]  __might_resched.cold (kernel/sched/core.c:9234)
[  239.345536][ T5919]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  239.345539][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345542][ T5919]  __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))
[  239.345545][ T5919]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  239.345548][ T5919]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  239.345553][ T5919]  ? 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)
[  239.345555][ T5919]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  239.345557][ T5919]  put_chars (drivers/char/virtio_console.c:1176)
[  239.345559][ T5919]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  239.345560][ T5919]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  239.345562][ T5919]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  239.345565][ T5919]  ? pointer (lib/vsprintf.c:2577)
[  239.345568][ T5919]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  239.345573][ T5919]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  239.345574][ T5919]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  239.345576][ T5919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.345579][ T5919]  console_emit_next_record (kernel/printk/printk.c:3183)
[  239.345582][ T5919]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  239.345584][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345585][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345586][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345587][ T5919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.345589][ T5919]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  239.345591][ T5919]  console_flush_one_record (kernel/printk/printk.c:3268)
[  239.345593][ T5919]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  239.345596][ T5919]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  239.345598][ T5919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.345600][ T5919]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  239.345602][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345603][ T5919]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  239.345604][ T5919]  ? 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)
[  239.345606][ T5919]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  239.345607][ T5919]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  239.345610][ T5919]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  239.345611][ T5919]  vprintk_emit (kernel/printk/printk.c:2479)
[  239.345613][ T5919]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  239.345614][ T5919]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  239.345616][ T5919]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  239.345619][ T5919]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  239.345622][ T5919]  _printk (kernel/printk/printk.c:2504)
[  239.345625][ T5919]  ? snapshot_read.cold (user.c:?)
[  239.345627][ T5919]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  239.345629][ T5919]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  239.345632][ T5919]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  239.345634][ T5919]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  239.345637][ T5919]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  239.345640][ T5919]  ? netdev_notice (net/core/dev.c:13194)
[  239.345642][ T5919]  ? 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)
[  239.345643][ T5919]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  239.345646][ T5919]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  239.345648][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345649][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345650][ T5919]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  239.345651][ T5919]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  239.345653][ T5919]  ? 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)
[  239.345654][ T5919]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  239.345655][ T5919]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  239.345657][ T5919]  ? register_netdev (net/core/dev.c:11618)
[  239.345658][ T5919]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  239.345660][ T5919]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  239.345663][ T5919]  ? __kernel_text_address (kernel/extable.c:79)
[  239.345666][ T5919]  ? write_profile (profile.c:?)
[  239.345668][ T5919]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  239.345672][ T5919]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  239.345674][ T5919]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  239.345675][ T5919]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  239.345677][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345678][ T5919]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  239.345681][ T5919]  ? kasan_save_stack (mm/kasan/common.c:58)
[  239.345683][ T5919]  ? kasan_save_stack (mm/kasan/common.c:57)
[  239.345684][ T5919]  ? kasan_save_track (mm/kasan/common.c:78)
[  239.345685][ T5919]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  239.345686][ T5919]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  239.345688][ T5919]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  239.345689][ T5919]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  239.345690][ T5919]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  239.345693][ T5919]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  239.345694][ T5919]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  239.345696][ T5919]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  239.345698][ T5919]  ? ____sys_sendmsg (net/socket.c:2713)
[  239.345700][ T5919]  ? ___sys_sendmsg (net/socket.c:2767)
[  239.345701][ T5919]  ? __sys_sendmsg (net/socket.c:2799)
[  239.345703][ T5919]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  239.345706][ T5919]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  239.345708][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345709][ T5919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.345711][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345712][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345713][ T5919]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  239.345714][ T5919]  ? __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)
[  239.345715][ T5919]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  239.345717][ T5919]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  239.345718][ T5919]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  239.345719][ T5919]  ? nla_get_range_signed (lib/nlattr.c:270)
[  239.345722][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345724][ T5919]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  239.345726][ T5919]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  239.345728][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345729][ T5919]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  239.345730][ T5919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.345732][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345733][ T5919]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  239.345735][ T5919]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  239.345737][ T5919]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  239.345738][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345739][ T5919]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  239.345742][ T5919]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  239.345745][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345746][ T5919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.345747][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345749][ T5919]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  239.345750][ T5919]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  239.345752][ T5919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  239.345753][ T5919]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  239.345755][ T5919]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  239.345757][ T5919]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  239.345759][ T5919]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  239.345760][ T5919]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  239.345762][ T5919]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  239.345763][ T5919]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  239.345766][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345768][ T5919]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  239.345770][ T5919]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  239.345772][ T5919]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  239.345774][ T5919]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  239.345776][ T5919]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  239.345778][ T5919]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  239.345780][ T5919]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  239.345781][ T5919]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  239.345783][ T5919]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  239.345786][ T5919]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  239.345788][ T5919]  ____sys_sendmsg (net/socket.c:2713)
[  239.345789][ T5919]  ? copy_msghdr_from_user (net/socket.c:2650)
[  239.345791][ T5919]  ? sock_write_iter (net/socket.c:1269)
[  239.345793][ T5919]  ? move_addr_to_kernel (net/socket.c:258)
[  239.345794][ T5919]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  239.345797][ T5919]  ___sys_sendmsg (net/socket.c:2767)
[  239.345798][ T5919]  ? copy_msghdr_from_user (net/socket.c:2619)
[  239.345803][ T5919]  __sys_sendmsg (net/socket.c:2799)
[  239.345805][ T5919]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  239.345808][ T5919]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  239.345809][ T5919]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  239.345811][ T5919]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  239.345813][ T5919]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  239.345815][ T5919] RIP: 0033:0x7f03f624554e
[  239.345817][ T5919] 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
[  239.345819][ T5919] RSP: 002b:00007ffe6cb3bb60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  239.345822][ T5919] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f03f624554e
[  239.345824][ T5919] RDX: 0000000000000000 RSI: 00007ffe6cb3bc10 RDI: 0000000000000005
[  239.345824][ T5919] RBP: 00007ffe6cb3bb70 R08: 0000000000000000 R09: 0000000000000000
[  239.345825][ T5919] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150e8
[  239.345826][ T5919] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6cb3c2d0
| [  240.570788][ T5993] softirqs last disabled at (0): 0x0
| [  240.570790][ T5993] Preemption disabled at:
| [  240.570790][ T5993] vprintk_emit (kernel/printk/printk.c:2471)
| [  240.570801][ T5993] Tainted: [W]=WARN
[  240.570802][ T5993] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  240.570803][ T5993] Call Trace:
[  240.570805][ T5993]  <TASK>
[  240.570806][ T5993]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  240.570812][ T5993]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  240.570813][ T5993]  __might_resched.cold (kernel/sched/core.c:9234)
[  240.570817][ T5993]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  240.570820][ T5993]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  240.570823][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570826][ T5993]  __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))
[  240.570829][ T5993]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  240.570833][ T5993]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.570838][ T5993]  ? 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)
[  240.570840][ T5993]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  240.570843][ T5993]  put_chars (drivers/char/virtio_console.c:1176)
[  240.570845][ T5993]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  240.570846][ T5993]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  240.570849][ T5993]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  240.570854][ T5993]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  240.570855][ T5993]  ? vsnprintf (lib/vsprintf.c:2900)
[  240.570859][ T5993]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  240.570860][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570862][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570864][ T5993]  console_emit_next_record (kernel/printk/printk.c:3183)
[  240.570866][ T5993]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  240.570869][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570870][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570871][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570872][ T5993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.570874][ T5993]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  240.570876][ T5993]  console_flush_one_record (kernel/printk/printk.c:3268)
[  240.570878][ T5993]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  240.570881][ T5993]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  240.570883][ T5993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.570885][ T5993]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  240.570887][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570888][ T5993]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  240.570889][ T5993]  ? 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)
[  240.570891][ T5993]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  240.570892][ T5993]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  240.570894][ T5993]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  240.570896][ T5993]  vprintk_emit (kernel/printk/printk.c:2479)
[  240.570898][ T5993]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  240.570899][ T5993]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  240.570901][ T5993]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  240.570903][ T5993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.570905][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570906][ T5993]  _printk (kernel/printk/printk.c:2504)
[  240.570910][ T5993]  ? snapshot_read.cold (user.c:?)
[  240.570912][ T5993]  ? br_multicast_flood (??:?)
[  240.570915][ T5993]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  240.570918][ T5993]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  240.570919][ T5993]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  240.570921][ T5993]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  240.570924][ T5993]  br_init_port (net/bridge/br_stp_if.c:39)
[  240.570926][ T5993]  new_nbp (net/bridge/br_if.c:449)
[  240.570928][ T5993]  br_add_if (net/bridge/br_if.c:592)
[  240.570930][ T5993]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  240.570934][ T5993]  do_set_master (net/core/rtnetlink.c:3071)
[  240.570936][ T5993]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  240.570938][ T5993]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  240.570939][ T5993]  ? __dev_get_by_name (net/core/dev.c:905)
[  240.570941][ T5993]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  240.570945][ T5993]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  240.570947][ T5993]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  240.570949][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570951][ T5993]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  240.570952][ T5993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.570954][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570955][ T5993]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  240.570958][ T5993]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  240.570960][ T5993]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  240.570962][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570963][ T5993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.570965][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570966][ T5993]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  240.570968][ T5993]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  240.570969][ T5993]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  240.570971][ T5993]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  240.570972][ T5993]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  240.570976][ T5993]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  240.570980][ T5993]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  240.570981][ T5993]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  240.570983][ T5993]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  240.570984][ T5993]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  240.570988][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.570989][ T5993]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  240.570991][ T5993]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  240.570994][ T5993]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  240.570996][ T5993]  ? next_uptodate_folio (mm/filemap.c:3747)
[  240.570999][ T5993]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  240.571001][ T5993]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  240.571003][ T5993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.571005][ T5993]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  240.571008][ T5993]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  240.571012][ T5993]  ____sys_sendmsg (net/socket.c:2713)
[  240.571013][ T5993]  ? copy_msghdr_from_user (net/socket.c:2650)
[  240.571015][ T5993]  ? sock_write_iter (net/socket.c:1269)
[  240.571016][ T5993]  ? move_addr_to_kernel (net/socket.c:258)
[  240.571019][ T5993]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  240.571021][ T5993]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  240.571023][ T5993]  ___sys_sendmsg (net/socket.c:2767)
[  240.571025][ T5993]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  240.571027][ T5993]  ? copy_msghdr_from_user (net/socket.c:2619)
[  240.571029][ T5993]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  240.571033][ T5993]  __sys_sendmsg (net/socket.c:2799)
[  240.571035][ T5993]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  240.571038][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.571039][ T5993]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  240.571041][ T5993]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  240.571043][ T5993]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  240.571045][ T5993]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  240.571047][ T5993] RIP: 0033:0x7f7fd91e554e
[  240.571050][ T5993] 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
[  240.571051][ T5993] RSP: 002b:00007ffd8248f0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  240.571055][ T5993] RAX: ffffffffffffffda RBX: 00007ffd8248f888 RCX: 00007f7fd91e554e
[  240.571056][ T5993] RDX: 0000000000000000 RSI: 00007ffd8248f170 RDI: 0000000000000005
[  240.571057][ T5993] RBP: 00007ffd8248f0d0 R08: 0000000000000000 R09: 0000000000000000
[  240.571058][ T5993] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150e9
[  240.571059][ T5993] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8248f840
| [  241.867353][ T6052] softirqs last disabled at (0): 0x0
| [  241.867355][ T6052] Preemption disabled at:
| [  241.867356][ T6052] vprintk_emit (kernel/printk/printk.c:2471)
| [  241.867366][ T6052] Tainted: [W]=WARN
[  241.867367][ T6052] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  241.867369][ T6052] Call Trace:
[  241.867371][ T6052]  <TASK>
[  241.867372][ T6052]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  241.867378][ T6052]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  241.867380][ T6052]  __might_resched.cold (kernel/sched/core.c:9234)
[  241.867383][ T6052]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  241.867386][ T6052]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  241.867389][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867392][ T6052]  __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))
[  241.867395][ T6052]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  241.867398][ T6052]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  241.867405][ T6052]  ? 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)
[  241.867407][ T6052]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  241.867410][ T6052]  put_chars (drivers/char/virtio_console.c:1176)
[  241.867412][ T6052]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  241.867414][ T6052]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  241.867417][ T6052]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  241.867422][ T6052]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  241.867424][ T6052]  ? vsnprintf (lib/vsprintf.c:2900)
[  241.867427][ T6052]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  241.867429][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867430][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867432][ T6052]  console_emit_next_record (kernel/printk/printk.c:3183)
[  241.867435][ T6052]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  241.867437][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867438][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867439][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867440][ T6052]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.867443][ T6052]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  241.867445][ T6052]  console_flush_one_record (kernel/printk/printk.c:3268)
[  241.867447][ T6052]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  241.867450][ T6052]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  241.867452][ T6052]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.867454][ T6052]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  241.867456][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867457][ T6052]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  241.867459][ T6052]  ? 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)
[  241.867460][ T6052]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  241.867462][ T6052]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  241.867464][ T6052]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  241.867465][ T6052]  vprintk_emit (kernel/printk/printk.c:2479)
[  241.867467][ T6052]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  241.867469][ T6052]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  241.867471][ T6052]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  241.867474][ T6052]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.867475][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867477][ T6052]  _printk (kernel/printk/printk.c:2504)
[  241.867480][ T6052]  ? snapshot_read.cold (user.c:?)
[  241.867482][ T6052]  ? br_multicast_flood (??:?)
[  241.867486][ T6052]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  241.867489][ T6052]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  241.867490][ T6052]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  241.867492][ T6052]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  241.867495][ T6052]  br_init_port (net/bridge/br_stp_if.c:39)
[  241.867497][ T6052]  new_nbp (net/bridge/br_if.c:449)
[  241.867499][ T6052]  br_add_if (net/bridge/br_if.c:592)
[  241.867501][ T6052]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  241.867506][ T6052]  do_set_master (net/core/rtnetlink.c:3071)
[  241.867507][ T6052]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  241.867509][ T6052]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  241.867511][ T6052]  ? __dev_get_by_name (net/core/dev.c:905)
[  241.867513][ T6052]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  241.867517][ T6052]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  241.867520][ T6052]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  241.867522][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867523][ T6052]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  241.867524][ T6052]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.867526][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867528][ T6052]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  241.867530][ T6052]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  241.867532][ T6052]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  241.867535][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867536][ T6052]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.867538][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867539][ T6052]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  241.867540][ T6052]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  241.867542][ T6052]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  241.867544][ T6052]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  241.867545][ T6052]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  241.867549][ T6052]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  241.867553][ T6052]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  241.867554][ T6052]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  241.867556][ T6052]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  241.867557][ T6052]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  241.867561][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867562][ T6052]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  241.867564][ T6052]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  241.867567][ T6052]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  241.867569][ T6052]  ? next_uptodate_folio (mm/filemap.c:3747)
[  241.867572][ T6052]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  241.867575][ T6052]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  241.867577][ T6052]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.867578][ T6052]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  241.867582][ T6052]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  241.867585][ T6052]  ____sys_sendmsg (net/socket.c:2713)
[  241.867587][ T6052]  ? copy_msghdr_from_user (net/socket.c:2650)
[  241.867589][ T6052]  ? sock_write_iter (net/socket.c:1269)
[  241.867590][ T6052]  ? move_addr_to_kernel (net/socket.c:258)
[  241.867592][ T6052]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  241.867595][ T6052]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.867597][ T6052]  ___sys_sendmsg (net/socket.c:2767)
[  241.867599][ T6052]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  241.867601][ T6052]  ? copy_msghdr_from_user (net/socket.c:2619)
[  241.867602][ T6052]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  241.867607][ T6052]  __sys_sendmsg (net/socket.c:2799)
[  241.867609][ T6052]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  241.867612][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867614][ T6052]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.867615][ T6052]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  241.867618][ T6052]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  241.867620][ T6052]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  241.867622][ T6052] RIP: 0033:0x7f9341a6d54e
[  241.867624][ T6052] 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
[  241.867626][ T6052] RSP: 002b:00007fff4c8b1670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  241.867630][ T6052] RAX: ffffffffffffffda RBX: 00007fff4c8b1e38 RCX: 00007f9341a6d54e
[  241.867631][ T6052] RDX: 0000000000000000 RSI: 00007fff4c8b1720 RDI: 0000000000000005
[  241.867632][ T6052] RBP: 00007fff4c8b1680 R08: 0000000000000000 R09: 0000000000000000
[  241.867633][ T6052] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9150eb
[  241.867634][ T6052] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4c8b1df0
| [  352.267894][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  352.267897][   T12] Preemption disabled at:
| [  352.267899][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  352.267912][   T12] Tainted: [W]=WARN
[  352.267913][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  352.267916][   T12] Workqueue: netns cleanup_net
[  352.267922][   T12] Call Trace:
[  352.267925][   T12]  <TASK>
[  352.267927][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  352.267934][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  352.267936][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  352.267941][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  352.267944][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  352.267949][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.267953][   T12]  __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))
[  352.267957][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  352.267961][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.267967][   T12]  ? 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)
[  352.267970][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  352.267973][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  352.267976][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  352.267980][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  352.267984][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  352.267991][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  352.267994][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  352.267997][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  352.268000][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.268002][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.268006][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  352.268010][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  352.268014][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.268016][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.268018][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.268020][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.268024][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  352.268028][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  352.268032][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  352.268037][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  352.268040][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.268043][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  352.268046][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.268048][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  352.268051][   T12]  ? 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)
[  352.268054][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  352.268057][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  352.268060][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  352.268063][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  352.268066][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  352.268069][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  352.268071][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  352.268075][   T12]  ? kthread (kernel/kthread.c:436)
[  352.268078][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  352.268082][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  352.268087][   T12]  _printk (kernel/printk/printk.c:2504)
[  352.268091][   T12]  ? snapshot_read.cold (user.c:?)
[  352.268095][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  352.268099][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  352.268103][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  352.268106][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  352.268110][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.268113][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  352.268115][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  352.268119][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  352.268122][   T12]  ? 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)
[  352.268125][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  352.268129][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  352.268133][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  352.268140][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  352.268144][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  352.268148][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  352.268152][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  352.268155][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  352.268160][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  352.268163][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  352.268165][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  352.268170][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  352.268173][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  352.268176][   T12]  process_one_work (kernel/workqueue.c:3387)
[  352.268182][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  352.268185][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  352.268189][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  352.268193][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  352.268199][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  352.268202][   T12]  kthread (kernel/kthread.c:436)
[  352.268205][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  352.268208][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  352.268211][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  352.268214][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  352.268218][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  352.268222][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  352.268225][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  354.805426][ T6728] softirqs last disabled at (0): 0x0
| [  354.805428][ T6728] Preemption disabled at:
| [  354.805429][ T6728] vprintk_emit (kernel/printk/printk.c:2471)
| [  354.805439][ T6728] Tainted: [W]=WARN
[  354.805440][ T6728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  354.805442][ T6728] Call Trace:
[  354.805443][ T6728]  <TASK>
[  354.805445][ T6728]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  354.805450][ T6728]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  354.805452][ T6728]  __might_resched.cold (kernel/sched/core.c:9234)
[  354.805456][ T6728]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  354.805459][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805462][ T6728]  __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))
[  354.805465][ T6728]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  354.805468][ T6728]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  354.805473][ T6728]  ? 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)
[  354.805475][ T6728]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  354.805478][ T6728]  put_chars (drivers/char/virtio_console.c:1176)
[  354.805480][ T6728]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  354.805481][ T6728]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  354.805484][ T6728]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  354.805486][ T6728]  ? pointer (lib/vsprintf.c:2577)
[  354.805490][ T6728]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  354.805495][ T6728]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  354.805496][ T6728]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  354.805499][ T6728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  354.805501][ T6728]  console_emit_next_record (kernel/printk/printk.c:3183)
[  354.805504][ T6728]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  354.805507][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805508][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805509][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805510][ T6728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  354.805512][ T6728]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  354.805514][ T6728]  console_flush_one_record (kernel/printk/printk.c:3268)
[  354.805517][ T6728]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  354.805520][ T6728]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  354.805522][ T6728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  354.805523][ T6728]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  354.805525][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805527][ T6728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  354.805528][ T6728]  ? 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)
[  354.805530][ T6728]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  354.805532][ T6728]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  354.805534][ T6728]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  354.805535][ T6728]  vprintk_emit (kernel/printk/printk.c:2479)
[  354.805537][ T6728]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  354.805539][ T6728]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  354.805541][ T6728]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  354.805544][ T6728]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  354.805547][ T6728]  _printk (kernel/printk/printk.c:2504)
[  354.805550][ T6728]  ? snapshot_read.cold (user.c:?)
[  354.805552][ T6728]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  354.805555][ T6728]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  354.805558][ T6728]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  354.805560][ T6728]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  354.805563][ T6728]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  354.805566][ T6728]  ? netdev_notice (net/core/dev.c:13194)
[  354.805568][ T6728]  ? 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)
[  354.805570][ T6728]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  354.805572][ T6728]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  354.805574][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805575][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805577][ T6728]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  354.805578][ T6728]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  354.805580][ T6728]  ? 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)
[  354.805581][ T6728]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  354.805583][ T6728]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  354.805586][ T6728]  ? register_netdev (net/core/dev.c:11618)
[  354.805588][ T6728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  354.805592][ T6728]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  354.805595][ T6728]  ? __kernel_text_address (kernel/extable.c:79)
[  354.805598][ T6728]  ? write_profile (profile.c:?)
[  354.805601][ T6728]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  354.805604][ T6728]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  354.805606][ T6728]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  354.805608][ T6728]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  354.805609][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805611][ T6728]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  354.805614][ T6728]  ? kasan_save_stack (mm/kasan/common.c:58)
[  354.805616][ T6728]  ? kasan_save_stack (mm/kasan/common.c:57)
[  354.805617][ T6728]  ? kasan_save_track (mm/kasan/common.c:78)
[  354.805618][ T6728]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  354.805620][ T6728]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  354.805621][ T6728]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  354.805622][ T6728]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  354.805624][ T6728]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  354.805627][ T6728]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  354.805628][ T6728]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  354.805630][ T6728]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  354.805633][ T6728]  ? ____sys_sendmsg (net/socket.c:2713)
[  354.805635][ T6728]  ? ___sys_sendmsg (net/socket.c:2767)
[  354.805636][ T6728]  ? __sys_sendmsg (net/socket.c:2799)
[  354.805638][ T6728]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  354.805641][ T6728]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  354.805643][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805644][ T6728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  354.805646][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805647][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805648][ T6728]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  354.805650][ T6728]  ? __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)
[  354.805651][ T6728]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  354.805653][ T6728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  354.805655][ T6728]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  354.805656][ T6728]  ? nla_get_range_signed (lib/nlattr.c:270)
[  354.805659][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805661][ T6728]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  354.805663][ T6728]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  354.805665][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805667][ T6728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  354.805668][ T6728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  354.805670][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805671][ T6728]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  354.805674][ T6728]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  354.805675][ T6728]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  354.805677][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805678][ T6728]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  354.805681][ T6728]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  354.805684][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805685][ T6728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  354.805687][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805688][ T6728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  354.805689][ T6728]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  354.805691][ T6728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  354.805693][ T6728]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  354.805695][ T6728]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  354.805697][ T6728]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  354.805699][ T6728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  354.805700][ T6728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  354.805702][ T6728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  354.805704][ T6728]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  354.805707][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805709][ T6728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  354.805711][ T6728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  354.805713][ T6728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  354.805715][ T6728]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  354.805717][ T6728]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  354.805720][ T6728]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  354.805721][ T6728]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  354.805723][ T6728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  354.805725][ T6728]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  354.805728][ T6728]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  354.805730][ T6728]  ____sys_sendmsg (net/socket.c:2713)
[  354.805732][ T6728]  ? copy_msghdr_from_user (net/socket.c:2650)
[  354.805734][ T6728]  ? sock_write_iter (net/socket.c:1269)
[  354.805735][ T6728]  ? move_addr_to_kernel (net/socket.c:258)
[  354.805737][ T6728]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  354.805740][ T6728]  ___sys_sendmsg (net/socket.c:2767)
[  354.805742][ T6728]  ? copy_msghdr_from_user (net/socket.c:2619)
[  354.805747][ T6728]  __sys_sendmsg (net/socket.c:2799)
[  354.805750][ T6728]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  354.805753][ T6728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  354.805754][ T6728]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  354.805756][ T6728]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  354.805758][ T6728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  354.805760][ T6728] RIP: 0033:0x7fc841f9754e
[  354.805762][ T6728] 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
[  354.805764][ T6728] RSP: 002b:00007ffff46bc9e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  354.805768][ T6728] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc841f9754e
[  354.805770][ T6728] RDX: 0000000000000000 RSI: 00007ffff46bca90 RDI: 0000000000000005
[  354.805771][ T6728] RBP: 00007ffff46bc9f0 R08: 0000000000000000 R09: 0000000000000000
[  354.805772][ T6728] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91515c
[  354.805773][ T6728] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff46bd150
| [  356.157635][ T6803] softirqs last disabled at (0): 0x0
| [  356.157637][ T6803] Preemption disabled at:
| [  356.157638][ T6803] vprintk_emit (kernel/printk/printk.c:2471)
| [  356.157649][ T6803] Tainted: [W]=WARN
[  356.157650][ T6803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  356.157652][ T6803] Call Trace:
[  356.157653][ T6803]  <TASK>
[  356.157655][ T6803]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  356.157661][ T6803]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  356.157662][ T6803]  __might_resched.cold (kernel/sched/core.c:9234)
[  356.157666][ T6803]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  356.157669][ T6803]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  356.157672][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157675][ T6803]  __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))
[  356.157678][ T6803]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  356.157681][ T6803]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  356.157687][ T6803]  ? 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)
[  356.157689][ T6803]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  356.157692][ T6803]  put_chars (drivers/char/virtio_console.c:1176)
[  356.157693][ T6803]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  356.157696][ T6803]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  356.157698][ T6803]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  356.157703][ T6803]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  356.157705][ T6803]  ? vsnprintf (lib/vsprintf.c:2900)
[  356.157708][ T6803]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  356.157710][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157711][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157713][ T6803]  console_emit_next_record (kernel/printk/printk.c:3183)
[  356.157716][ T6803]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  356.157719][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157720][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157721][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157722][ T6803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  356.157724][ T6803]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  356.157726][ T6803]  console_flush_one_record (kernel/printk/printk.c:3268)
[  356.157728][ T6803]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  356.157731][ T6803]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  356.157733][ T6803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  356.157735][ T6803]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  356.157737][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157738][ T6803]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  356.157740][ T6803]  ? 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)
[  356.157741][ T6803]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  356.157743][ T6803]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  356.157745][ T6803]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  356.157747][ T6803]  vprintk_emit (kernel/printk/printk.c:2479)
[  356.157748][ T6803]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  356.157750][ T6803]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  356.157751][ T6803]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  356.157755][ T6803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  356.157756][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157758][ T6803]  _printk (kernel/printk/printk.c:2504)
[  356.157761][ T6803]  ? snapshot_read.cold (user.c:?)
[  356.157763][ T6803]  ? br_multicast_flood (??:?)
[  356.157766][ T6803]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  356.157769][ T6803]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  356.157770][ T6803]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  356.157772][ T6803]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  356.157775][ T6803]  br_init_port (net/bridge/br_stp_if.c:39)
[  356.157777][ T6803]  new_nbp (net/bridge/br_if.c:449)
[  356.157779][ T6803]  br_add_if (net/bridge/br_if.c:592)
[  356.157781][ T6803]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  356.157785][ T6803]  do_set_master (net/core/rtnetlink.c:3071)
[  356.157787][ T6803]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  356.157789][ T6803]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  356.157790][ T6803]  ? __dev_get_by_name (net/core/dev.c:905)
[  356.157792][ T6803]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  356.157796][ T6803]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  356.157799][ T6803]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  356.157801][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157803][ T6803]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  356.157804][ T6803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  356.157806][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157807][ T6803]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  356.157810][ T6803]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  356.157812][ T6803]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  356.157815][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157816][ T6803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  356.157817][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157819][ T6803]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  356.157820][ T6803]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  356.157822][ T6803]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  356.157823][ T6803]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  356.157825][ T6803]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  356.157829][ T6803]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  356.157832][ T6803]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  356.157834][ T6803]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  356.157836][ T6803]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  356.157844][ T6803]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  356.157847][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157849][ T6803]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  356.157851][ T6803]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  356.157853][ T6803]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  356.157855][ T6803]  ? next_uptodate_folio (mm/filemap.c:3747)
[  356.157858][ T6803]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  356.157861][ T6803]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  356.157863][ T6803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  356.157865][ T6803]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  356.157868][ T6803]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  356.157872][ T6803]  ____sys_sendmsg (net/socket.c:2713)
[  356.157873][ T6803]  ? copy_msghdr_from_user (net/socket.c:2650)
[  356.157875][ T6803]  ? sock_write_iter (net/socket.c:1269)
[  356.157877][ T6803]  ? move_addr_to_kernel (net/socket.c:258)
[  356.157879][ T6803]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  356.157882][ T6803]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  356.157884][ T6803]  ___sys_sendmsg (net/socket.c:2767)
[  356.157885][ T6803]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  356.157888][ T6803]  ? copy_msghdr_from_user (net/socket.c:2619)
[  356.157889][ T6803]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  356.157894][ T6803]  __sys_sendmsg (net/socket.c:2799)
[  356.157897][ T6803]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  356.157899][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157901][ T6803]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  356.157902][ T6803]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  356.157905][ T6803]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  356.157907][ T6803]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  356.157909][ T6803] RIP: 0033:0x7fe66bbd754e
[  356.157912][ T6803] 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
[  356.157914][ T6803] RSP: 002b:00007fff6da4b250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  356.157918][ T6803] RAX: ffffffffffffffda RBX: 00007fff6da4ba18 RCX: 00007fe66bbd754e
[  356.157919][ T6803] RDX: 0000000000000000 RSI: 00007fff6da4b300 RDI: 0000000000000005
[  356.157920][ T6803] RBP: 00007fff6da4b260 R08: 0000000000000000 R09: 0000000000000000
[  356.157921][ T6803] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91515d
[  356.157922][ T6803] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6da4b9d0
| [  357.682374][ T6869] softirqs last disabled at (0): 0x0
| [  357.682376][ T6869] Preemption disabled at:
| [  357.682377][ T6869] vprintk_emit (kernel/printk/printk.c:2471)
| [  357.682391][ T6869] Tainted: [W]=WARN
[  357.682393][ T6869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  357.682395][ T6869] Call Trace:
[  357.682397][ T6869]  <TASK>
[  357.682399][ T6869]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  357.682409][ T6869]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  357.682411][ T6869]  __might_resched.cold (kernel/sched/core.c:9234)
[  357.682416][ T6869]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  357.682419][ T6869]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  357.682424][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682429][ T6869]  __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))
[  357.682433][ T6869]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  357.682437][ T6869]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  357.682444][ T6869]  ? 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)
[  357.682446][ T6869]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  357.682450][ T6869]  put_chars (drivers/char/virtio_console.c:1176)
[  357.682453][ T6869]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  357.682456][ T6869]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  357.682460][ T6869]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  357.682467][ T6869]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  357.682470][ T6869]  ? vsnprintf (lib/vsprintf.c:2900)
[  357.682474][ T6869]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  357.682477][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682479][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682483][ T6869]  console_emit_next_record (kernel/printk/printk.c:3183)
[  357.682487][ T6869]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  357.682491][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682493][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682495][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682497][ T6869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.682500][ T6869]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  357.682503][ T6869]  console_flush_one_record (kernel/printk/printk.c:3268)
[  357.682507][ T6869]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  357.682512][ T6869]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  357.682515][ T6869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.682517][ T6869]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  357.682520][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682522][ T6869]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  357.682525][ T6869]  ? 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)
[  357.682527][ T6869]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  357.682530][ T6869]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  357.682534][ T6869]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  357.682536][ T6869]  vprintk_emit (kernel/printk/printk.c:2479)
[  357.682539][ T6869]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  357.682542][ T6869]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  357.682545][ T6869]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  357.682549][ T6869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.682552][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682554][ T6869]  _printk (kernel/printk/printk.c:2504)
[  357.682559][ T6869]  ? snapshot_read.cold (user.c:?)
[  357.682562][ T6869]  ? br_multicast_flood (??:?)
[  357.682566][ T6869]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  357.682570][ T6869]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  357.682573][ T6869]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  357.682576][ T6869]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  357.682580][ T6869]  br_init_port (net/bridge/br_stp_if.c:39)
[  357.682583][ T6869]  new_nbp (net/bridge/br_if.c:449)
[  357.682587][ T6869]  br_add_if (net/bridge/br_if.c:592)
[  357.682589][ T6869]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  357.682596][ T6869]  do_set_master (net/core/rtnetlink.c:3071)
[  357.682599][ T6869]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  357.682602][ T6869]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  357.682604][ T6869]  ? __dev_get_by_name (net/core/dev.c:905)
[  357.682607][ T6869]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  357.682613][ T6869]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  357.682617][ T6869]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  357.682621][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682624][ T6869]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  357.682626][ T6869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.682628][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682631][ T6869]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  357.682634][ T6869]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  357.682638][ T6869]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  357.682641][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682644][ T6869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.682646][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682649][ T6869]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  357.682651][ T6869]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  357.682655][ T6869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  357.682657][ T6869]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  357.682660][ T6869]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  357.682666][ T6869]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  357.682670][ T6869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  357.682672][ T6869]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  357.682675][ T6869]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  357.682678][ T6869]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  357.682682][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682685][ T6869]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  357.682688][ T6869]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  357.682692][ T6869]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  357.682695][ T6869]  ? next_uptodate_folio (mm/filemap.c:3747)
[  357.682700][ T6869]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  357.682704][ T6869]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  357.682707][ T6869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.682710][ T6869]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  357.682715][ T6869]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  357.682719][ T6869]  ____sys_sendmsg (net/socket.c:2713)
[  357.682722][ T6869]  ? copy_msghdr_from_user (net/socket.c:2650)
[  357.682725][ T6869]  ? sock_write_iter (net/socket.c:1269)
[  357.682727][ T6869]  ? move_addr_to_kernel (net/socket.c:258)
[  357.682731][ T6869]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  357.682735][ T6869]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  357.682738][ T6869]  ___sys_sendmsg (net/socket.c:2767)
[  357.682741][ T6869]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  357.682744][ T6869]  ? copy_msghdr_from_user (net/socket.c:2619)
[  357.682747][ T6869]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  357.682755][ T6869]  __sys_sendmsg (net/socket.c:2799)
[  357.682758][ T6869]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  357.682762][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682765][ T6869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  357.682767][ T6869]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  357.682771][ T6869]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  357.682774][ T6869]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  357.682777][ T6869] RIP: 0033:0x7faf45eba54e
[  357.682780][ T6869] 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
[  357.682784][ T6869] RSP: 002b:00007ffc38c5a920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  357.682789][ T6869] RAX: ffffffffffffffda RBX: 00007ffc38c5b0e8 RCX: 00007faf45eba54e
[  357.682791][ T6869] RDX: 0000000000000000 RSI: 00007ffc38c5a9d0 RDI: 0000000000000005
[  357.682793][ T6869] RBP: 00007ffc38c5a930 R08: 0000000000000000 R09: 0000000000000000
[  357.682795][ T6869] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91515f
[  357.682797][ T6869] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc38c5b0a0
| [  373.430505][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  373.430507][   T12] Preemption disabled at:
| [  373.430508][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  373.430519][   T12] Tainted: [W]=WARN
[  373.430520][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  373.430522][   T12] Workqueue: netns cleanup_net
[  373.430528][   T12] Call Trace:
[  373.430529][   T12]  <TASK>
[  373.430531][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  373.430537][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  373.430539][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  373.430542][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  373.430545][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  373.430548][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.430550][   T12]  __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))
[  373.430553][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  373.430557][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  373.430561][   T12]  ? 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)
[  373.430563][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  373.430566][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  373.430568][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  373.430570][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  373.430572][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  373.430577][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  373.430579][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  373.430582][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  373.430584][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.430585][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.430587][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  373.430589][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  373.430592][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.430593][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.430594][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.430595][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.430597][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  373.430599][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  373.430602][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  373.430605][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  373.430607][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.430608][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  373.430610][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.430611][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  373.430613][   T12]  ? 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)
[  373.430615][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  373.430616][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  373.430618][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  373.430620][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  373.430621][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  373.430623][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  373.430624][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  373.430627][   T12]  ? kthread (kernel/kthread.c:436)
[  373.430630][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  373.430632][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  373.430635][   T12]  _printk (kernel/printk/printk.c:2504)
[  373.430638][   T12]  ? snapshot_read.cold (user.c:?)
[  373.430640][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  373.430644][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  373.430646][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  373.430648][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  373.430651][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.430652][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  373.430654][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  373.430657][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  373.430658][   T12]  ? 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)
[  373.430660][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  373.430662][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  373.430665][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  373.430669][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  373.430671][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  373.430674][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  373.430676][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  373.430678][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  373.430682][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  373.430684][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  373.430686][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  373.430688][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  373.430689][   T12]  process_one_work (kernel/workqueue.c:3387)
[  373.430692][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  373.430695][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  373.430697][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  373.430700][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  373.430703][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  373.430705][   T12]  kthread (kernel/kthread.c:436)
[  373.430706][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  373.430708][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  373.430710][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  373.430712][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  373.430714][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  373.430717][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  373.430719][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  375.671891][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  375.671895][   T12] Preemption disabled at:
| [  375.671896][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  375.671909][   T12] Tainted: [W]=WARN
[  375.671911][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  375.671914][   T12] Workqueue: netns cleanup_net
[  375.671921][   T12] Call Trace:
[  375.671923][   T12]  <TASK>
[  375.671926][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  375.671932][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  375.671935][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  375.671939][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  375.671942][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  375.671953][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.671957][   T12]  __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))
[  375.671961][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  375.671965][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  375.671971][   T12]  ? 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)
[  375.671974][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  375.671978][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  375.671982][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  375.671985][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  375.671990][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  375.671997][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  375.672000][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  375.672003][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  375.672006][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.672009][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.672012][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  375.672017][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  375.672021][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.672024][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.672025][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.672028][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  375.672032][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  375.672035][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  375.672039][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  375.672044][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  375.672048][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  375.672051][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  375.672054][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.672056][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  375.672059][   T12]  ? 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)
[  375.672062][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  375.672065][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  375.672068][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  375.672071][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  375.672074][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  375.672076][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  375.672078][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  375.672083][   T12]  ? kthread (kernel/kthread.c:436)
[  375.672086][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  375.672090][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  375.672094][   T12]  _printk (kernel/printk/printk.c:2504)
[  375.672098][   T12]  ? snapshot_read.cold (user.c:?)
[  375.672102][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  375.672107][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  375.672111][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  375.672114][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  375.672118][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.672120][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  375.672123][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  375.672127][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  375.672130][   T12]  ? 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)
[  375.672132][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  375.672136][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  375.672140][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  375.672146][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  375.672149][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  375.672153][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  375.672157][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  375.672160][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  375.672165][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  375.672168][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  375.672172][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  375.672174][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  375.672177][   T12]  process_one_work (kernel/workqueue.c:3387)
[  375.672182][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  375.672186][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  375.672190][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  375.672194][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  375.672199][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  375.672202][   T12]  kthread (kernel/kthread.c:436)
[  375.672205][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  375.672208][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  375.672211][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  375.672214][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  375.672217][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  375.672222][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  375.672225][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  376.845217][ T7280] softirqs last disabled at (0): 0x0
| [  376.845219][ T7280] Preemption disabled at:
| [  376.845221][ T7280] vprintk_emit (kernel/printk/printk.c:2471)
| [  376.845234][ T7280] Tainted: [W]=WARN
[  376.845236][ T7280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  376.845238][ T7280] Call Trace:
[  376.845240][ T7280]  <TASK>
[  376.845242][ T7280]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  376.845250][ T7280]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  376.845252][ T7280]  __might_resched.cold (kernel/sched/core.c:9234)
[  376.845257][ T7280]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  376.845261][ T7280]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  376.845265][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845269][ T7280]  __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))
[  376.845273][ T7280]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  376.845277][ T7280]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  376.845284][ T7280]  ? 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)
[  376.845287][ T7280]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  376.845291][ T7280]  put_chars (drivers/char/virtio_console.c:1176)
[  376.845294][ T7280]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  376.845297][ T7280]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  376.845301][ T7280]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  376.845307][ T7280]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  376.845310][ T7280]  ? vsnprintf (lib/vsprintf.c:2900)
[  376.845315][ T7280]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  376.845317][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845319][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845323][ T7280]  console_emit_next_record (kernel/printk/printk.c:3183)
[  376.845327][ T7280]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  376.845330][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845332][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845334][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845337][ T7280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  376.845340][ T7280]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  376.845344][ T7280]  console_flush_one_record (kernel/printk/printk.c:3268)
[  376.845348][ T7280]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  376.845352][ T7280]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  376.845355][ T7280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  376.845358][ T7280]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  376.845361][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845363][ T7280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  376.845366][ T7280]  ? 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)
[  376.845368][ T7280]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  376.845371][ T7280]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  376.845374][ T7280]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  376.845377][ T7280]  vprintk_emit (kernel/printk/printk.c:2479)
[  376.845380][ T7280]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  376.845382][ T7280]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  376.845385][ T7280]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  376.845389][ T7280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  376.845392][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845395][ T7280]  _printk (kernel/printk/printk.c:2504)
[  376.845399][ T7280]  ? snapshot_read.cold (user.c:?)
[  376.845405][ T7280]  ? br_multicast_flood (??:?)
[  376.845409][ T7280]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  376.845413][ T7280]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  376.845415][ T7280]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  376.845419][ T7280]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  376.845423][ T7280]  br_init_port (net/bridge/br_stp_if.c:39)
[  376.845426][ T7280]  new_nbp (net/bridge/br_if.c:449)
[  376.845430][ T7280]  br_add_if (net/bridge/br_if.c:592)
[  376.845433][ T7280]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  376.845439][ T7280]  do_set_master (net/core/rtnetlink.c:3071)
[  376.845442][ T7280]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  376.845445][ T7280]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  376.845448][ T7280]  ? __dev_get_by_name (net/core/dev.c:905)
[  376.845451][ T7280]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  376.845457][ T7280]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  376.845461][ T7280]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  376.845465][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845468][ T7280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  376.845470][ T7280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  376.845473][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845475][ T7280]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  376.845479][ T7280]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  376.845482][ T7280]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  376.845486][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845488][ T7280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  376.845491][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845493][ T7280]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  376.845496][ T7280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  376.845499][ T7280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  376.845501][ T7280]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  376.845504][ T7280]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  376.845509][ T7280]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  376.845514][ T7280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  376.845516][ T7280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  376.845519][ T7280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  376.845522][ T7280]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  376.845526][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845529][ T7280]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  376.845532][ T7280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  376.845536][ T7280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  376.845539][ T7280]  ? next_uptodate_folio (mm/filemap.c:3747)
[  376.845544][ T7280]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  376.845547][ T7280]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  376.845551][ T7280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  376.845554][ T7280]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  376.845559][ T7280]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  376.845564][ T7280]  ____sys_sendmsg (net/socket.c:2713)
[  376.845566][ T7280]  ? copy_msghdr_from_user (net/socket.c:2650)
[  376.845569][ T7280]  ? sock_write_iter (net/socket.c:1269)
[  376.845572][ T7280]  ? move_addr_to_kernel (net/socket.c:258)
[  376.845575][ T7280]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  376.845579][ T7280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  376.845582][ T7280]  ___sys_sendmsg (net/socket.c:2767)
[  376.845585][ T7280]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  376.845588][ T7280]  ? copy_msghdr_from_user (net/socket.c:2619)
[  376.845591][ T7280]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  376.845599][ T7280]  __sys_sendmsg (net/socket.c:2799)
[  376.845602][ T7280]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  376.845607][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845609][ T7280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  376.845612][ T7280]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  376.845615][ T7280]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  376.845619][ T7280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  376.845622][ T7280] RIP: 0033:0x7f891c1c554e
[  376.845625][ T7280] 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
[  376.845628][ T7280] RSP: 002b:00007ffc788dfa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  376.845633][ T7280] RAX: ffffffffffffffda RBX: 00007ffc788e0228 RCX: 00007f891c1c554e
[  376.845635][ T7280] RDX: 0000000000000000 RSI: 00007ffc788dfb10 RDI: 0000000000000005
[  376.845637][ T7280] RBP: 00007ffc788dfa70 R08: 0000000000000000 R09: 0000000000000000
[  376.845639][ T7280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915172
[  376.845640][ T7280] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc788e01e0
| [  378.643059][ T7349] softirqs last disabled at (0): 0x0
| [  378.643062][ T7349] Preemption disabled at:
| [  378.643063][ T7349] vprintk_emit (kernel/printk/printk.c:2471)
| [  378.643077][ T7349] Tainted: [W]=WARN
[  378.643078][ T7349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  378.643081][ T7349] Call Trace:
[  378.643083][ T7349]  <TASK>
[  378.643085][ T7349]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  378.643092][ T7349]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  378.643095][ T7349]  __might_resched.cold (kernel/sched/core.c:9234)
[  378.643100][ T7349]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  378.643105][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643109][ T7349]  __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))
[  378.643113][ T7349]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  378.643118][ T7349]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  378.643124][ T7349]  ? 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)
[  378.643127][ T7349]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  378.643131][ T7349]  put_chars (drivers/char/virtio_console.c:1176)
[  378.643135][ T7349]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  378.643137][ T7349]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  378.643141][ T7349]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  378.643144][ T7349]  ? pointer (lib/vsprintf.c:2577)
[  378.643150][ T7349]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  378.643156][ T7349]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  378.643159][ T7349]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  378.643162][ T7349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.643166][ T7349]  console_emit_next_record (kernel/printk/printk.c:3183)
[  378.643171][ T7349]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  378.643174][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643177][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643179][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643181][ T7349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.643185][ T7349]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  378.643188][ T7349]  console_flush_one_record (kernel/printk/printk.c:3268)
[  378.643192][ T7349]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  378.643196][ T7349]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  378.643199][ T7349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.643202][ T7349]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  378.643205][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643207][ T7349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  378.643210][ T7349]  ? 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)
[  378.643213][ T7349]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  378.643216][ T7349]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  378.643219][ T7349]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  378.643222][ T7349]  vprintk_emit (kernel/printk/printk.c:2479)
[  378.643225][ T7349]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  378.643227][ T7349]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  378.643231][ T7349]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  378.643235][ T7349]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  378.643239][ T7349]  _printk (kernel/printk/printk.c:2504)
[  378.643244][ T7349]  ? snapshot_read.cold (user.c:?)
[  378.643247][ T7349]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  378.643251][ T7349]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  378.643255][ T7349]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  378.643259][ T7349]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  378.643264][ T7349]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  378.643267][ T7349]  ? netdev_notice (net/core/dev.c:13194)
[  378.643271][ T7349]  ? 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)
[  378.643274][ T7349]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  378.643278][ T7349]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  378.643280][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643283][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643285][ T7349]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  378.643288][ T7349]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  378.643291][ T7349]  ? 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)
[  378.643293][ T7349]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  378.643296][ T7349]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  378.643299][ T7349]  ? register_netdev (net/core/dev.c:11618)
[  378.643301][ T7349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  378.643305][ T7349]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  378.643309][ T7349]  ? __kernel_text_address (kernel/extable.c:79)
[  378.643312][ T7349]  ? write_profile (profile.c:?)
[  378.643317][ T7349]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  378.643322][ T7349]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  378.643326][ T7349]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  378.643329][ T7349]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  378.643331][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643333][ T7349]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  378.643338][ T7349]  ? kasan_save_stack (mm/kasan/common.c:58)
[  378.643341][ T7349]  ? kasan_save_stack (mm/kasan/common.c:57)
[  378.643343][ T7349]  ? kasan_save_track (mm/kasan/common.c:78)
[  378.643345][ T7349]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  378.643348][ T7349]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  378.643350][ T7349]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  378.643352][ T7349]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  378.643354][ T7349]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  378.643358][ T7349]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  378.643361][ T7349]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  378.643364][ T7349]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  378.643368][ T7349]  ? ____sys_sendmsg (net/socket.c:2713)
[  378.643370][ T7349]  ? ___sys_sendmsg (net/socket.c:2767)
[  378.643373][ T7349]  ? __sys_sendmsg (net/socket.c:2799)
[  378.643376][ T7349]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  378.643380][ T7349]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  378.643384][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643386][ T7349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.643389][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643391][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643393][ T7349]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  378.643396][ T7349]  ? __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)
[  378.643398][ T7349]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  378.643404][ T7349]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  378.643407][ T7349]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  378.643409][ T7349]  ? nla_get_range_signed (lib/nlattr.c:270)
[  378.643414][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643417][ T7349]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  378.643421][ T7349]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  378.643425][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643427][ T7349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  378.643429][ T7349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.643432][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643435][ T7349]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  378.643439][ T7349]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  378.643441][ T7349]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  378.643444][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643447][ T7349]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  378.643451][ T7349]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  378.643454][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643457][ T7349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.643459][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643462][ T7349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  378.643464][ T7349]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  378.643468][ T7349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  378.643470][ T7349]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  378.643473][ T7349]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  378.643477][ T7349]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  378.643480][ T7349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  378.643483][ T7349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  378.643486][ T7349]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  378.643489][ T7349]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  378.643494][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643496][ T7349]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  378.643500][ T7349]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  378.643504][ T7349]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  378.643507][ T7349]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  378.643510][ T7349]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  378.643514][ T7349]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  378.643517][ T7349]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  378.643520][ T7349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  378.643523][ T7349]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  378.643527][ T7349]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  378.643531][ T7349]  ____sys_sendmsg (net/socket.c:2713)
[  378.643534][ T7349]  ? copy_msghdr_from_user (net/socket.c:2650)
[  378.643537][ T7349]  ? sock_write_iter (net/socket.c:1269)
[  378.643539][ T7349]  ? move_addr_to_kernel (net/socket.c:258)
[  378.643542][ T7349]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  378.643547][ T7349]  ___sys_sendmsg (net/socket.c:2767)
[  378.643550][ T7349]  ? copy_msghdr_from_user (net/socket.c:2619)
[  378.643559][ T7349]  __sys_sendmsg (net/socket.c:2799)
[  378.643562][ T7349]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  378.643567][ T7349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  378.643570][ T7349]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  378.643573][ T7349]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  378.643576][ T7349]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  378.643579][ T7349] RIP: 0033:0x7f61c494754e
[  378.643582][ T7349] 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
[  378.643585][ T7349] RSP: 002b:00007ffc12ee74a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  378.643590][ T7349] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f61c494754e
[  378.643592][ T7349] RDX: 0000000000000000 RSI: 00007ffc12ee7550 RDI: 0000000000000005
[  378.643595][ T7349] RBP: 00007ffc12ee74b0 R08: 0000000000000000 R09: 0000000000000000
[  378.643596][ T7349] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915173
[  378.643598][ T7349] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc12ee7c10
| [  380.093366][ T7399] softirqs last disabled at (0): 0x0
| [  380.093369][ T7399] Preemption disabled at:
| [  380.093370][ T7399] vprintk_emit (kernel/printk/printk.c:2471)
| [  380.093383][ T7399] Tainted: [W]=WARN
[  380.093385][ T7399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  380.093388][ T7399] Call Trace:
[  380.093390][ T7399]  <TASK>
[  380.093392][ T7399]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  380.093398][ T7399]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  380.093404][ T7399]  __might_resched.cold (kernel/sched/core.c:9234)
[  380.093409][ T7399]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  380.093412][ T7399]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  380.093417][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093420][ T7399]  __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))
[  380.093424][ T7399]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  380.093428][ T7399]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  380.093435][ T7399]  ? 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)
[  380.093438][ T7399]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  380.093442][ T7399]  put_chars (drivers/char/virtio_console.c:1176)
[  380.093444][ T7399]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  380.093447][ T7399]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  380.093452][ T7399]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  380.093458][ T7399]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  380.093461][ T7399]  ? vsnprintf (lib/vsprintf.c:2900)
[  380.093465][ T7399]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  380.093467][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093469][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093473][ T7399]  console_emit_next_record (kernel/printk/printk.c:3183)
[  380.093477][ T7399]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  380.093480][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093483][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093485][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093487][ T7399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  380.093490][ T7399]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  380.093493][ T7399]  console_flush_one_record (kernel/printk/printk.c:3268)
[  380.093497][ T7399]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  380.093501][ T7399]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  380.093504][ T7399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  380.093506][ T7399]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  380.093509][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093511][ T7399]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  380.093514][ T7399]  ? 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)
[  380.093516][ T7399]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  380.093519][ T7399]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  380.093522][ T7399]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  380.093525][ T7399]  vprintk_emit (kernel/printk/printk.c:2479)
[  380.093528][ T7399]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  380.093530][ T7399]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  380.093533][ T7399]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  380.093537][ T7399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  380.093540][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093543][ T7399]  _printk (kernel/printk/printk.c:2504)
[  380.093547][ T7399]  ? snapshot_read.cold (user.c:?)
[  380.093550][ T7399]  ? br_multicast_flood (??:?)
[  380.093555][ T7399]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  380.093559][ T7399]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  380.093561][ T7399]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  380.093564][ T7399]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  380.093569][ T7399]  br_init_port (net/bridge/br_stp_if.c:39)
[  380.093571][ T7399]  new_nbp (net/bridge/br_if.c:449)
[  380.093575][ T7399]  br_add_if (net/bridge/br_if.c:592)
[  380.093578][ T7399]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  380.093584][ T7399]  do_set_master (net/core/rtnetlink.c:3071)
[  380.093587][ T7399]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  380.093591][ T7399]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  380.093593][ T7399]  ? __dev_get_by_name (net/core/dev.c:905)
[  380.093596][ T7399]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  380.093602][ T7399]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  380.093607][ T7399]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  380.093610][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093612][ T7399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  380.093615][ T7399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  380.093617][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093620][ T7399]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  380.093623][ T7399]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  380.093626][ T7399]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  380.093630][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093632][ T7399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  380.093634][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093637][ T7399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  380.093639][ T7399]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  380.093642][ T7399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  380.093644][ T7399]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  380.093647][ T7399]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  380.093653][ T7399]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  380.093657][ T7399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  380.093659][ T7399]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  380.093662][ T7399]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  380.093664][ T7399]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  380.093669][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093671][ T7399]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  380.093674][ T7399]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  380.093678][ T7399]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  380.093681][ T7399]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  380.093684][ T7399]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  380.093688][ T7399]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  380.093692][ T7399]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  380.093696][ T7399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  380.093698][ T7399]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  380.093703][ T7399]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  380.093707][ T7399]  ____sys_sendmsg (net/socket.c:2713)
[  380.093710][ T7399]  ? copy_msghdr_from_user (net/socket.c:2650)
[  380.093713][ T7399]  ? sock_write_iter (net/socket.c:1269)
[  380.093715][ T7399]  ? move_addr_to_kernel (net/socket.c:258)
[  380.093719][ T7399]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  380.093722][ T7399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  380.093726][ T7399]  ___sys_sendmsg (net/socket.c:2767)
[  380.093728][ T7399]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  380.093731][ T7399]  ? copy_msghdr_from_user (net/socket.c:2619)
[  380.093734][ T7399]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  380.093742][ T7399]  __sys_sendmsg (net/socket.c:2799)
[  380.093745][ T7399]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  380.093749][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093751][ T7399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  380.093754][ T7399]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  380.093758][ T7399]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  380.093761][ T7399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  380.093764][ T7399] RIP: 0033:0x7fbf4328454e
[  380.093767][ T7399] 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
[  380.093770][ T7399] RSP: 002b:00007fff69be5af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  380.093775][ T7399] RAX: ffffffffffffffda RBX: 00007fff69be62b8 RCX: 00007fbf4328454e
[  380.093777][ T7399] RDX: 0000000000000000 RSI: 00007fff69be5ba0 RDI: 0000000000000005
[  380.093779][ T7399] RBP: 00007fff69be5b00 R08: 0000000000000000 R09: 0000000000000000
[  380.093780][ T7399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915175
[  380.093782][ T7399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff69be6270
| [  503.211569][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  503.211571][   T12] Preemption disabled at:
| [  503.211572][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  503.211583][   T12] Tainted: [W]=WARN
[  503.211584][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  503.211586][   T12] Workqueue: netns cleanup_net
[  503.211593][   T12] Call Trace:
[  503.211595][   T12]  <TASK>
[  503.211597][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  503.211603][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  503.211604][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  503.211608][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  503.211610][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  503.211614][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.211616][   T12]  __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))
[  503.211619][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  503.211623][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  503.211627][   T12]  ? 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)
[  503.211629][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  503.211632][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  503.211634][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  503.211636][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  503.211639][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  503.211644][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  503.211646][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  503.211654][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  503.211656][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.211657][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.211659][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  503.211662][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  503.211665][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.211666][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.211667][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.211668][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.211671][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  503.211673][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  503.211675][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  503.211678][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  503.211680][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.211682][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  503.211684][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.211685][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  503.211687][   T12]  ? 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)
[  503.211688][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  503.211690][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  503.211692][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  503.211694][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  503.211695][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  503.211697][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  503.211698][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  503.211701][   T12]  ? kthread (kernel/kthread.c:436)
[  503.211703][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  503.211706][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  503.211709][   T12]  _printk (kernel/printk/printk.c:2504)
[  503.211712][   T12]  ? snapshot_read.cold (user.c:?)
[  503.211714][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  503.211718][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  503.211720][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  503.211723][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  503.211725][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.211727][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  503.211729][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  503.211733][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  503.211736][   T12]  ? 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)
[  503.211738][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  503.211742][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  503.211746][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  503.211751][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  503.211755][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  503.211758][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  503.211761][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  503.211763][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  503.211766][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  503.211768][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  503.211769][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  503.211772][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  503.211774][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  503.211776][   T12]  process_one_work (kernel/workqueue.c:3387)
[  503.211779][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  503.211781][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  503.211783][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  503.211786][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  503.211789][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  503.211791][   T12]  kthread (kernel/kthread.c:436)
[  503.211793][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  503.211795][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  503.211797][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  503.211799][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  503.211801][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  503.211804][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  503.211808][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  505.468906][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  505.468908][   T12] Preemption disabled at:
| [  505.468909][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  505.468920][   T12] Tainted: [W]=WARN
[  505.468921][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  505.468923][   T12] Workqueue: netns cleanup_net
[  505.468929][   T12] Call Trace:
[  505.468930][   T12]  <TASK>
[  505.468932][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  505.468938][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  505.468940][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  505.468943][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  505.468946][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  505.468949][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.468952][   T12]  __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))
[  505.468955][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  505.468958][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  505.468963][   T12]  ? 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)
[  505.468965][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  505.468967][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  505.468969][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  505.468971][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  505.468974][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  505.468980][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  505.468982][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  505.468984][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  505.468986][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.468988][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.468989][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  505.468992][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  505.468995][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.468996][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.468997][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.468998][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  505.469001][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  505.469002][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  505.469005][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  505.469008][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  505.469010][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  505.469012][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  505.469014][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.469015][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  505.469016][   T12]  ? 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)
[  505.469018][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  505.469020][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  505.469022][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  505.469024][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  505.469025][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  505.469027][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  505.469028][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  505.469031][   T12]  ? kthread (kernel/kthread.c:436)
[  505.469034][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  505.469036][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  505.469039][   T12]  _printk (kernel/printk/printk.c:2504)
[  505.469043][   T12]  ? snapshot_read.cold (user.c:?)
[  505.469045][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  505.469048][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  505.469050][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  505.469053][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  505.469055][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.469057][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  505.469058][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  505.469061][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  505.469063][   T12]  ? 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)
[  505.469064][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  505.469067][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  505.469069][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  505.469073][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  505.469076][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  505.469078][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  505.469080][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  505.469082][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  505.469085][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  505.469087][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  505.469090][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  505.469091][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  505.469093][   T12]  process_one_work (kernel/workqueue.c:3387)
[  505.469096][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  505.469098][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  505.469101][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  505.469103][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  505.469106][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  505.469108][   T12]  kthread (kernel/kthread.c:436)
[  505.469110][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  505.469112][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  505.469114][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  505.469116][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  505.469118][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  505.469121][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  505.469123][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  506.499420][ T8091] softirqs last disabled at (0): 0x0
| [  506.499421][ T8091] Preemption disabled at:
| [  506.499422][ T8091] vprintk_emit (kernel/printk/printk.c:2471)
| [  506.499433][ T8091] Tainted: [W]=WARN
[  506.499434][ T8091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  506.499436][ T8091] Call Trace:
[  506.499438][ T8091]  <TASK>
[  506.499439][ T8091]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  506.499446][ T8091]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  506.499447][ T8091]  __might_resched.cold (kernel/sched/core.c:9234)
[  506.499451][ T8091]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  506.499454][ T8091]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  506.499457][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499460][ T8091]  __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))
[  506.499463][ T8091]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  506.499466][ T8091]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  506.499472][ T8091]  ? 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)
[  506.499474][ T8091]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  506.499477][ T8091]  put_chars (drivers/char/virtio_console.c:1176)
[  506.499479][ T8091]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  506.499480][ T8091]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  506.499483][ T8091]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  506.499488][ T8091]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  506.499490][ T8091]  ? vsnprintf (lib/vsprintf.c:2900)
[  506.499494][ T8091]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  506.499495][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499497][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499498][ T8091]  console_emit_next_record (kernel/printk/printk.c:3183)
[  506.499501][ T8091]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  506.499504][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499505][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499506][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499507][ T8091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.499510][ T8091]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  506.499512][ T8091]  console_flush_one_record (kernel/printk/printk.c:3268)
[  506.499514][ T8091]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  506.499517][ T8091]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  506.499519][ T8091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.499521][ T8091]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  506.499523][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499524][ T8091]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  506.499526][ T8091]  ? 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)
[  506.499528][ T8091]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  506.499529][ T8091]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  506.499531][ T8091]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  506.499533][ T8091]  vprintk_emit (kernel/printk/printk.c:2479)
[  506.499535][ T8091]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  506.499536][ T8091]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  506.499538][ T8091]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  506.499541][ T8091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.499543][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499544][ T8091]  _printk (kernel/printk/printk.c:2504)
[  506.499548][ T8091]  ? snapshot_read.cold (user.c:?)
[  506.499550][ T8091]  ? br_multicast_flood (??:?)
[  506.499553][ T8091]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  506.499556][ T8091]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  506.499557][ T8091]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  506.499559][ T8091]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  506.499562][ T8091]  br_init_port (net/bridge/br_stp_if.c:39)
[  506.499564][ T8091]  new_nbp (net/bridge/br_if.c:449)
[  506.499566][ T8091]  br_add_if (net/bridge/br_if.c:592)
[  506.499568][ T8091]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  506.499573][ T8091]  do_set_master (net/core/rtnetlink.c:3071)
[  506.499575][ T8091]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  506.499577][ T8091]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  506.499578][ T8091]  ? __dev_get_by_name (net/core/dev.c:905)
[  506.499580][ T8091]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  506.499584][ T8091]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  506.499587][ T8091]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  506.499589][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499590][ T8091]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.499592][ T8091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.499593][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499595][ T8091]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  506.499597][ T8091]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  506.499599][ T8091]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  506.499602][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499603][ T8091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.499605][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499606][ T8091]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  506.499607][ T8091]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  506.499609][ T8091]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  506.499611][ T8091]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  506.499613][ T8091]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  506.499617][ T8091]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  506.499620][ T8091]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  506.499621][ T8091]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  506.499623][ T8091]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  506.499625][ T8091]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  506.499628][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499629][ T8091]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  506.499631][ T8091]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  506.499634][ T8091]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  506.499636][ T8091]  ? next_uptodate_folio (mm/filemap.c:3747)
[  506.499639][ T8091]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  506.499641][ T8091]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  506.499644][ T8091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.499645][ T8091]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  506.499649][ T8091]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  506.499652][ T8091]  ____sys_sendmsg (net/socket.c:2713)
[  506.499654][ T8091]  ? copy_msghdr_from_user (net/socket.c:2650)
[  506.499656][ T8091]  ? sock_write_iter (net/socket.c:1269)
[  506.499658][ T8091]  ? move_addr_to_kernel (net/socket.c:258)
[  506.499661][ T8091]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  506.499671][ T8091]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  506.499674][ T8091]  ___sys_sendmsg (net/socket.c:2767)
[  506.499676][ T8091]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  506.499679][ T8091]  ? copy_msghdr_from_user (net/socket.c:2619)
[  506.499682][ T8091]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  506.499689][ T8091]  __sys_sendmsg (net/socket.c:2799)
[  506.499692][ T8091]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  506.499696][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499698][ T8091]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  506.499701][ T8091]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  506.499705][ T8091]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  506.499708][ T8091]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  506.499711][ T8091] RIP: 0033:0x7f0c1fd5754e
[  506.499714][ T8091] 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
[  506.499717][ T8091] RSP: 002b:00007ffc04773ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  506.499721][ T8091] RAX: ffffffffffffffda RBX: 00007ffc047744a8 RCX: 00007f0c1fd5754e
[  506.499723][ T8091] RDX: 0000000000000000 RSI: 00007ffc04773d90 RDI: 0000000000000005
[  506.499724][ T8091] RBP: 00007ffc04773cf0 R08: 0000000000000000 R09: 0000000000000000
[  506.499725][ T8091] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151f3
[  506.499726][ T8091] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc04774460
| [  508.295236][ T8160] softirqs last disabled at (0): 0x0
| [  508.295239][ T8160] Preemption disabled at:
| [  508.295240][ T8160] vprintk_emit (kernel/printk/printk.c:2471)
| [  508.295255][ T8160] Tainted: [W]=WARN
[  508.295256][ T8160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  508.295259][ T8160] Call Trace:
[  508.295261][ T8160]  <TASK>
[  508.295263][ T8160]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  508.295270][ T8160]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  508.295272][ T8160]  __might_resched.cold (kernel/sched/core.c:9234)
[  508.295278][ T8160]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  508.295282][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295287][ T8160]  __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))
[  508.295291][ T8160]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.295295][ T8160]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  508.295301][ T8160]  ? 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)
[  508.295304][ T8160]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  508.295308][ T8160]  put_chars (drivers/char/virtio_console.c:1176)
[  508.295311][ T8160]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  508.295313][ T8160]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  508.295317][ T8160]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  508.295321][ T8160]  ? pointer (lib/vsprintf.c:2577)
[  508.295326][ T8160]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  508.295333][ T8160]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  508.295335][ T8160]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.295339][ T8160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.295343][ T8160]  console_emit_next_record (kernel/printk/printk.c:3183)
[  508.295347][ T8160]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  508.295351][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295353][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295355][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295357][ T8160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.295361][ T8160]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  508.295364][ T8160]  console_flush_one_record (kernel/printk/printk.c:3268)
[  508.295368][ T8160]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  508.295373][ T8160]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  508.295376][ T8160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.295379][ T8160]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  508.295382][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295384][ T8160]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.295386][ T8160]  ? 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)
[  508.295389][ T8160]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  508.295392][ T8160]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  508.295395][ T8160]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  508.295398][ T8160]  vprintk_emit (kernel/printk/printk.c:2479)
[  508.295404][ T8160]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  508.295406][ T8160]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  508.295410][ T8160]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  508.295414][ T8160]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  508.295419][ T8160]  _printk (kernel/printk/printk.c:2504)
[  508.295423][ T8160]  ? snapshot_read.cold (user.c:?)
[  508.295427][ T8160]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  508.295431][ T8160]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  508.295435][ T8160]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  508.295439][ T8160]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  508.295444][ T8160]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  508.295447][ T8160]  ? netdev_notice (net/core/dev.c:13194)
[  508.295451][ T8160]  ? 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)
[  508.295454][ T8160]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  508.295458][ T8160]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  508.295461][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295463][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295466][ T8160]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  508.295468][ T8160]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  508.295471][ T8160]  ? 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)
[  508.295474][ T8160]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  508.295477][ T8160]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  508.295480][ T8160]  ? register_netdev (net/core/dev.c:11618)
[  508.295482][ T8160]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.295486][ T8160]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  508.295490][ T8160]  ? __kernel_text_address (kernel/extable.c:79)
[  508.295494][ T8160]  ? write_profile (profile.c:?)
[  508.295498][ T8160]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  508.295504][ T8160]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  508.295507][ T8160]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  508.295510][ T8160]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  508.295513][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295515][ T8160]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  508.295520][ T8160]  ? kasan_save_stack (mm/kasan/common.c:58)
[  508.295524][ T8160]  ? kasan_save_stack (mm/kasan/common.c:57)
[  508.295526][ T8160]  ? kasan_save_track (mm/kasan/common.c:78)
[  508.295528][ T8160]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  508.295530][ T8160]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  508.295533][ T8160]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  508.295535][ T8160]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  508.295538][ T8160]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  508.295542][ T8160]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  508.295545][ T8160]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  508.295547][ T8160]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  508.295551][ T8160]  ? ____sys_sendmsg (net/socket.c:2713)
[  508.295554][ T8160]  ? ___sys_sendmsg (net/socket.c:2767)
[  508.295556][ T8160]  ? __sys_sendmsg (net/socket.c:2799)
[  508.295559][ T8160]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  508.295563][ T8160]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  508.295567][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295570][ T8160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.295572][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295575][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295577][ T8160]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  508.295580][ T8160]  ? __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)
[  508.295582][ T8160]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  508.295585][ T8160]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  508.295588][ T8160]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  508.295590][ T8160]  ? nla_get_range_signed (lib/nlattr.c:270)
[  508.295595][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295598][ T8160]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  508.295602][ T8160]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  508.295606][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295609][ T8160]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  508.295611][ T8160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.295614][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295617][ T8160]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  508.295621][ T8160]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  508.295624][ T8160]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  508.295627][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295629][ T8160]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  508.295634][ T8160]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  508.295637][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295640][ T8160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.295643][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295645][ T8160]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  508.295648][ T8160]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  508.295652][ T8160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  508.295654][ T8160]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  508.295657][ T8160]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  508.295662][ T8160]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  508.295665][ T8160]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  508.295668][ T8160]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.295670][ T8160]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  508.295673][ T8160]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  508.295684][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295686][ T8160]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  508.295690][ T8160]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  508.295694][ T8160]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  508.295697][ T8160]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  508.295701][ T8160]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  508.295705][ T8160]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  508.295708][ T8160]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  508.295711][ T8160]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  508.295714][ T8160]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  508.295719][ T8160]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  508.295723][ T8160]  ____sys_sendmsg (net/socket.c:2713)
[  508.295726][ T8160]  ? copy_msghdr_from_user (net/socket.c:2650)
[  508.295729][ T8160]  ? sock_write_iter (net/socket.c:1269)
[  508.295732][ T8160]  ? move_addr_to_kernel (net/socket.c:258)
[  508.295734][ T8160]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  508.295739][ T8160]  ___sys_sendmsg (net/socket.c:2767)
[  508.295743][ T8160]  ? copy_msghdr_from_user (net/socket.c:2619)
[  508.295752][ T8160]  __sys_sendmsg (net/socket.c:2799)
[  508.295756][ T8160]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  508.295761][ T8160]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  508.295764][ T8160]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  508.295767][ T8160]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  508.295770][ T8160]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  508.295773][ T8160] RIP: 0033:0x7f1910a7654e
[  508.295777][ T8160] 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
[  508.295779][ T8160] RSP: 002b:00007ffce09cd970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  508.295785][ T8160] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1910a7654e
[  508.295788][ T8160] RDX: 0000000000000000 RSI: 00007ffce09cda20 RDI: 0000000000000005
[  508.295790][ T8160] RBP: 00007ffce09cd980 R08: 0000000000000000 R09: 0000000000000000
[  508.295791][ T8160] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151f5
[  508.295793][ T8160] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce09ce0e0
| [  509.635137][ T8211] softirqs last disabled at (0): 0x0
| [  509.635139][ T8211] Preemption disabled at:
| [  509.635140][ T8211] vprintk_emit (kernel/printk/printk.c:2471)
| [  509.635151][ T8211] Tainted: [W]=WARN
[  509.635152][ T8211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  509.635154][ T8211] Call Trace:
[  509.635156][ T8211]  <TASK>
[  509.635157][ T8211]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  509.635163][ T8211]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  509.635164][ T8211]  __might_resched.cold (kernel/sched/core.c:9234)
[  509.635168][ T8211]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  509.635171][ T8211]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  509.635174][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635177][ T8211]  __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))
[  509.635180][ T8211]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  509.635183][ T8211]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  509.635188][ T8211]  ? 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)
[  509.635190][ T8211]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  509.635193][ T8211]  put_chars (drivers/char/virtio_console.c:1176)
[  509.635195][ T8211]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  509.635197][ T8211]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  509.635200][ T8211]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  509.635204][ T8211]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  509.635206][ T8211]  ? vsnprintf (lib/vsprintf.c:2900)
[  509.635210][ T8211]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  509.635212][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635213][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635215][ T8211]  console_emit_next_record (kernel/printk/printk.c:3183)
[  509.635217][ T8211]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  509.635220][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635221][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635222][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635223][ T8211]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.635225][ T8211]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  509.635228][ T8211]  console_flush_one_record (kernel/printk/printk.c:3268)
[  509.635230][ T8211]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  509.635233][ T8211]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  509.635235][ T8211]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.635237][ T8211]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  509.635239][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635240][ T8211]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  509.635242][ T8211]  ? 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)
[  509.635243][ T8211]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  509.635245][ T8211]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  509.635247][ T8211]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  509.635249][ T8211]  vprintk_emit (kernel/printk/printk.c:2479)
[  509.635251][ T8211]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  509.635252][ T8211]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  509.635254][ T8211]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  509.635257][ T8211]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.635259][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635260][ T8211]  _printk (kernel/printk/printk.c:2504)
[  509.635264][ T8211]  ? snapshot_read.cold (user.c:?)
[  509.635266][ T8211]  ? br_multicast_flood (??:?)
[  509.635270][ T8211]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  509.635272][ T8211]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  509.635274][ T8211]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  509.635276][ T8211]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  509.635279][ T8211]  br_init_port (net/bridge/br_stp_if.c:39)
[  509.635281][ T8211]  new_nbp (net/bridge/br_if.c:449)
[  509.635283][ T8211]  br_add_if (net/bridge/br_if.c:592)
[  509.635285][ T8211]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  509.635290][ T8211]  do_set_master (net/core/rtnetlink.c:3071)
[  509.635292][ T8211]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  509.635294][ T8211]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  509.635295][ T8211]  ? __dev_get_by_name (net/core/dev.c:905)
[  509.635297][ T8211]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  509.635301][ T8211]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  509.635304][ T8211]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  509.635306][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635308][ T8211]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  509.635309][ T8211]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.635311][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635312][ T8211]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  509.635315][ T8211]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  509.635317][ T8211]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  509.635319][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635321][ T8211]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.635322][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635324][ T8211]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  509.635325][ T8211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  509.635327][ T8211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  509.635328][ T8211]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  509.635330][ T8211]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  509.635334][ T8211]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  509.635337][ T8211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  509.635339][ T8211]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  509.635340][ T8211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  509.635342][ T8211]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  509.635345][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635347][ T8211]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  509.635349][ T8211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  509.635351][ T8211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  509.635354][ T8211]  ? next_uptodate_folio (mm/filemap.c:3747)
[  509.635357][ T8211]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  509.635359][ T8211]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  509.635361][ T8211]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.635363][ T8211]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  509.635367][ T8211]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  509.635370][ T8211]  ____sys_sendmsg (net/socket.c:2713)
[  509.635372][ T8211]  ? copy_msghdr_from_user (net/socket.c:2650)
[  509.635374][ T8211]  ? sock_write_iter (net/socket.c:1269)
[  509.635375][ T8211]  ? move_addr_to_kernel (net/socket.c:258)
[  509.635378][ T8211]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  509.635380][ T8211]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  509.635382][ T8211]  ___sys_sendmsg (net/socket.c:2767)
[  509.635384][ T8211]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  509.635386][ T8211]  ? copy_msghdr_from_user (net/socket.c:2619)
[  509.635388][ T8211]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  509.635392][ T8211]  __sys_sendmsg (net/socket.c:2799)
[  509.635395][ T8211]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  509.635397][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635399][ T8211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  509.635402][ T8211]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  509.635405][ T8211]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  509.635407][ T8211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  509.635410][ T8211] RIP: 0033:0x7f4cf1b0c54e
[  509.635412][ T8211] 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
[  509.635414][ T8211] RSP: 002b:00007ffce6cdd8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  509.635418][ T8211] RAX: ffffffffffffffda RBX: 00007ffce6cde078 RCX: 00007f4cf1b0c54e
[  509.635420][ T8211] RDX: 0000000000000000 RSI: 00007ffce6cdd960 RDI: 0000000000000005
[  509.635421][ T8211] RBP: 00007ffce6cdd8c0 R08: 0000000000000000 R09: 0000000000000000
[  509.635422][ T8211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151f6
[  509.635423][ T8211] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce6cde030
| [  517.285179][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  517.285183][   T12] Preemption disabled at:
| [  517.285184][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  517.285198][   T12] Tainted: [W]=WARN
[  517.285199][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  517.285203][   T12] Workqueue: netns cleanup_net
[  517.285210][   T12] Call Trace:
[  517.285212][   T12]  <TASK>
[  517.285214][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  517.285221][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  517.285223][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  517.285228][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  517.285231][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  517.285236][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.285240][   T12]  __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))
[  517.285244][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.285248][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  517.285254][   T12]  ? 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)
[  517.285257][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  517.285261][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  517.285264][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  517.285267][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  517.285271][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  517.285278][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  517.285281][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  517.285284][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.285287][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.285289][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.285293][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  517.285298][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  517.285301][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.285303][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.285305][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.285307][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.285311][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  517.285314][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  517.285318][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  517.285323][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  517.285326][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.285329][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  517.285332][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.285334][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  517.285337][   T12]  ? 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)
[  517.285339][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  517.285342][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  517.285345][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  517.285348][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  517.285351][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  517.285353][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  517.285356][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  517.285360][   T12]  ? kthread (kernel/kthread.c:436)
[  517.285363][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  517.285367][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  517.285371][   T12]  _printk (kernel/printk/printk.c:2504)
[  517.285376][   T12]  ? snapshot_read.cold (user.c:?)
[  517.285380][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  517.285384][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  517.285388][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  517.285391][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  517.285395][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.285397][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  517.285402][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  517.285407][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  517.285409][   T12]  ? 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)
[  517.285412][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  517.285416][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  517.285420][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  517.285425][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  517.285429][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  517.285432][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  517.285436][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  517.285439][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  517.285443][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  517.285447][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  517.285450][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  517.285453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  517.285456][   T12]  process_one_work (kernel/workqueue.c:3387)
[  517.285460][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  517.285464][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  517.285467][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  517.285472][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  517.285477][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  517.285480][   T12]  kthread (kernel/kthread.c:436)
[  517.285482][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  517.285485][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  517.285489][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  517.285492][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  517.285495][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  517.285499][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  517.285503][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  518.844651][ T8480] softirqs last disabled at (0): 0x0
| [  518.844653][ T8480] Preemption disabled at:
| [  518.844654][ T8480] vprintk_emit (kernel/printk/printk.c:2471)
| [  518.844664][ T8480] Tainted: [W]=WARN
[  518.844665][ T8480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  518.844667][ T8480] Call Trace:
[  518.844669][ T8480]  <TASK>
[  518.844670][ T8480]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  518.844676][ T8480]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  518.844678][ T8480]  __might_resched.cold (kernel/sched/core.c:9234)
[  518.844681][ T8480]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  518.844684][ T8480]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  518.844687][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844690][ T8480]  __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))
[  518.844693][ T8480]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  518.844696][ T8480]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  518.844701][ T8480]  ? 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)
[  518.844703][ T8480]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  518.844706][ T8480]  put_chars (drivers/char/virtio_console.c:1176)
[  518.844708][ T8480]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  518.844710][ T8480]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  518.844713][ T8480]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  518.844717][ T8480]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  518.844719][ T8480]  ? vsnprintf (lib/vsprintf.c:2900)
[  518.844722][ T8480]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  518.844724][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844725][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844727][ T8480]  console_emit_next_record (kernel/printk/printk.c:3183)
[  518.844730][ T8480]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  518.844740][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844741][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844743][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844744][ T8480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.844746][ T8480]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  518.844748][ T8480]  console_flush_one_record (kernel/printk/printk.c:3268)
[  518.844751][ T8480]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  518.844754][ T8480]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  518.844756][ T8480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.844758][ T8480]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  518.844760][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844761][ T8480]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  518.844763][ T8480]  ? 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)
[  518.844765][ T8480]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  518.844766][ T8480]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  518.844768][ T8480]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  518.844770][ T8480]  vprintk_emit (kernel/printk/printk.c:2479)
[  518.844771][ T8480]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  518.844773][ T8480]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  518.844775][ T8480]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  518.844778][ T8480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.844779][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844781][ T8480]  _printk (kernel/printk/printk.c:2504)
[  518.844784][ T8480]  ? snapshot_read.cold (user.c:?)
[  518.844787][ T8480]  ? br_multicast_flood (??:?)
[  518.844790][ T8480]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  518.844793][ T8480]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  518.844794][ T8480]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  518.844796][ T8480]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  518.844799][ T8480]  br_init_port (net/bridge/br_stp_if.c:39)
[  518.844801][ T8480]  new_nbp (net/bridge/br_if.c:449)
[  518.844804][ T8480]  br_add_if (net/bridge/br_if.c:592)
[  518.844806][ T8480]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  518.844810][ T8480]  do_set_master (net/core/rtnetlink.c:3071)
[  518.844812][ T8480]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  518.844815][ T8480]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  518.844816][ T8480]  ? __dev_get_by_name (net/core/dev.c:905)
[  518.844818][ T8480]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  518.844822][ T8480]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  518.844825][ T8480]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  518.844827][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844828][ T8480]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  518.844830][ T8480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.844831][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844833][ T8480]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  518.844836][ T8480]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  518.844837][ T8480]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  518.844840][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844841][ T8480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.844843][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844844][ T8480]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  518.844846][ T8480]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  518.844848][ T8480]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  518.844849][ T8480]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  518.844851][ T8480]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  518.844854][ T8480]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  518.844858][ T8480]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  518.844859][ T8480]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  518.844861][ T8480]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  518.844863][ T8480]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  518.844866][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844867][ T8480]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  518.844869][ T8480]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  518.844872][ T8480]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  518.844874][ T8480]  ? next_uptodate_folio (mm/filemap.c:3747)
[  518.844877][ T8480]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  518.844879][ T8480]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  518.844881][ T8480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.844883][ T8480]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  518.844887][ T8480]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  518.844890][ T8480]  ____sys_sendmsg (net/socket.c:2713)
[  518.844892][ T8480]  ? copy_msghdr_from_user (net/socket.c:2650)
[  518.844893][ T8480]  ? sock_write_iter (net/socket.c:1269)
[  518.844895][ T8480]  ? move_addr_to_kernel (net/socket.c:258)
[  518.844897][ T8480]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  518.844900][ T8480]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  518.844902][ T8480]  ___sys_sendmsg (net/socket.c:2767)
[  518.844904][ T8480]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  518.844906][ T8480]  ? copy_msghdr_from_user (net/socket.c:2619)
[  518.844908][ T8480]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  518.844912][ T8480]  __sys_sendmsg (net/socket.c:2799)
[  518.844915][ T8480]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  518.844917][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844919][ T8480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  518.844920][ T8480]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  518.844923][ T8480]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  518.844925][ T8480]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  518.844927][ T8480] RIP: 0033:0x7f1f87d4754e
[  518.844929][ T8480] 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
[  518.844931][ T8480] RSP: 002b:00007fff3de8cd30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  518.844935][ T8480] RAX: ffffffffffffffda RBX: 00007fff3de8d4f8 RCX: 00007f1f87d4754e
[  518.844937][ T8480] RDX: 0000000000000000 RSI: 00007fff3de8cde0 RDI: 0000000000000005
[  518.844938][ T8480] RBP: 00007fff3de8cd40 R08: 0000000000000000 R09: 0000000000000000
[  518.844939][ T8480] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915200
[  518.844940][ T8480] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3de8d4b0
| [  520.531342][ T8549] softirqs last disabled at (0): 0x0
| [  520.531344][ T8549] Preemption disabled at:
| [  520.531345][ T8549] vprintk_emit (kernel/printk/printk.c:2471)
| [  520.531356][ T8549] Tainted: [W]=WARN
[  520.531357][ T8549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  520.531358][ T8549] Call Trace:
[  520.531360][ T8549]  <TASK>
[  520.531361][ T8549]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  520.531367][ T8549]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  520.531369][ T8549]  __might_resched.cold (kernel/sched/core.c:9234)
[  520.531373][ T8549]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  520.531377][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531379][ T8549]  __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))
[  520.531382][ T8549]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.531385][ T8549]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.531390][ T8549]  ? 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)
[  520.531392][ T8549]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  520.531395][ T8549]  put_chars (drivers/char/virtio_console.c:1176)
[  520.531397][ T8549]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  520.531398][ T8549]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  520.531404][ T8549]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  520.531407][ T8549]  ? pointer (lib/vsprintf.c:2577)
[  520.531410][ T8549]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  520.531415][ T8549]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  520.531417][ T8549]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.531419][ T8549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.531422][ T8549]  console_emit_next_record (kernel/printk/printk.c:3183)
[  520.531425][ T8549]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  520.531427][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531429][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531430][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531431][ T8549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.531433][ T8549]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  520.531436][ T8549]  console_flush_one_record (kernel/printk/printk.c:3268)
[  520.531438][ T8549]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  520.531442][ T8549]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  520.531444][ T8549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.531445][ T8549]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  520.531447][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531448][ T8549]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.531450][ T8549]  ? 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)
[  520.531452][ T8549]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  520.531453][ T8549]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  520.531456][ T8549]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  520.531457][ T8549]  vprintk_emit (kernel/printk/printk.c:2479)
[  520.531459][ T8549]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  520.531460][ T8549]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  520.531463][ T8549]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  520.531466][ T8549]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  520.531469][ T8549]  _printk (kernel/printk/printk.c:2504)
[  520.531472][ T8549]  ? snapshot_read.cold (user.c:?)
[  520.531474][ T8549]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  520.531477][ T8549]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  520.531480][ T8549]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  520.531482][ T8549]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  520.531486][ T8549]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  520.531488][ T8549]  ? netdev_notice (net/core/dev.c:13194)
[  520.531491][ T8549]  ? 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)
[  520.531493][ T8549]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  520.531495][ T8549]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  520.531497][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531498][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531500][ T8549]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  520.531501][ T8549]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  520.531503][ T8549]  ? 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)
[  520.531505][ T8549]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  520.531506][ T8549]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  520.531508][ T8549]  ? register_netdev (net/core/dev.c:11618)
[  520.531509][ T8549]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.531512][ T8549]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  520.531514][ T8549]  ? __kernel_text_address (kernel/extable.c:79)
[  520.531517][ T8549]  ? write_profile (profile.c:?)
[  520.531520][ T8549]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  520.531524][ T8549]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  520.531526][ T8549]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  520.531528][ T8549]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  520.531529][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531531][ T8549]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  520.531534][ T8549]  ? kasan_save_stack (mm/kasan/common.c:58)
[  520.531536][ T8549]  ? kasan_save_stack (mm/kasan/common.c:57)
[  520.531537][ T8549]  ? kasan_save_track (mm/kasan/common.c:78)
[  520.531539][ T8549]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  520.531540][ T8549]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  520.531541][ T8549]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  520.531542][ T8549]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  520.531544][ T8549]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  520.531547][ T8549]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  520.531549][ T8549]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  520.531550][ T8549]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  520.531553][ T8549]  ? ____sys_sendmsg (net/socket.c:2713)
[  520.531554][ T8549]  ? ___sys_sendmsg (net/socket.c:2767)
[  520.531556][ T8549]  ? __sys_sendmsg (net/socket.c:2799)
[  520.531558][ T8549]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  520.531560][ T8549]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  520.531563][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531564][ T8549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.531566][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531567][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531568][ T8549]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  520.531570][ T8549]  ? __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)
[  520.531571][ T8549]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  520.531572][ T8549]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  520.531574][ T8549]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  520.531576][ T8549]  ? nla_get_range_signed (lib/nlattr.c:270)
[  520.531579][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531581][ T8549]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  520.531583][ T8549]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  520.531585][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531586][ T8549]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.531588][ T8549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.531589][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531591][ T8549]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  520.531593][ T8549]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  520.531595][ T8549]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  520.531596][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531598][ T8549]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  520.531601][ T8549]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  520.531603][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531604][ T8549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.531606][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531607][ T8549]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  520.531609][ T8549]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  520.531611][ T8549]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.531612][ T8549]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  520.531614][ T8549]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  520.531617][ T8549]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  520.531619][ T8549]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  520.531620][ T8549]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.531622][ T8549]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  520.531624][ T8549]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  520.531627][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531629][ T8549]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  520.531631][ T8549]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  520.531633][ T8549]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  520.531635][ T8549]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  520.531637][ T8549]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  520.531640][ T8549]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  520.531642][ T8549]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  520.531644][ T8549]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  520.531645][ T8549]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  520.531649][ T8549]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  520.531651][ T8549]  ____sys_sendmsg (net/socket.c:2713)
[  520.531653][ T8549]  ? copy_msghdr_from_user (net/socket.c:2650)
[  520.531654][ T8549]  ? sock_write_iter (net/socket.c:1269)
[  520.531656][ T8549]  ? move_addr_to_kernel (net/socket.c:258)
[  520.531658][ T8549]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  520.531661][ T8549]  ___sys_sendmsg (net/socket.c:2767)
[  520.531663][ T8549]  ? copy_msghdr_from_user (net/socket.c:2619)
[  520.531669][ T8549]  __sys_sendmsg (net/socket.c:2799)
[  520.531671][ T8549]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  520.531674][ T8549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  520.531676][ T8549]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  520.531678][ T8549]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  520.531680][ T8549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  520.531681][ T8549] RIP: 0033:0x7f7dcd0be54e
[  520.531683][ T8549] 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
[  520.531685][ T8549] RSP: 002b:00007ffec3a39730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  520.531689][ T8549] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7dcd0be54e
[  520.531691][ T8549] RDX: 0000000000000000 RSI: 00007ffec3a397e0 RDI: 0000000000000005
[  520.531692][ T8549] RBP: 00007ffec3a39740 R08: 0000000000000000 R09: 0000000000000000
[  520.531693][ T8549] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915201
[  520.531694][ T8549] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec3a39ea0
| [  522.126141][ T8599] softirqs last disabled at (0): 0x0
| [  522.126143][ T8599] Preemption disabled at:
| [  522.126144][ T8599] vprintk_emit (kernel/printk/printk.c:2471)
| [  522.126155][ T8599] Tainted: [W]=WARN
[  522.126156][ T8599] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  522.126158][ T8599] Call Trace:
[  522.126160][ T8599]  <TASK>
[  522.126161][ T8599]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  522.126167][ T8599]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  522.126168][ T8599]  __might_resched.cold (kernel/sched/core.c:9234)
[  522.126172][ T8599]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  522.126175][ T8599]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  522.126178][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126181][ T8599]  __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))
[  522.126184][ T8599]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.126188][ T8599]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  522.126193][ T8599]  ? 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)
[  522.126195][ T8599]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  522.126198][ T8599]  put_chars (drivers/char/virtio_console.c:1176)
[  522.126199][ T8599]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  522.126201][ T8599]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  522.126204][ T8599]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  522.126209][ T8599]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  522.126211][ T8599]  ? vsnprintf (lib/vsprintf.c:2900)
[  522.126214][ T8599]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.126216][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126217][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126219][ T8599]  console_emit_next_record (kernel/printk/printk.c:3183)
[  522.126222][ T8599]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  522.126225][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126226][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126227][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126228][ T8599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.126231][ T8599]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  522.126233][ T8599]  console_flush_one_record (kernel/printk/printk.c:3268)
[  522.126235][ T8599]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  522.126238][ T8599]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  522.126240][ T8599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.126242][ T8599]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  522.126244][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126245][ T8599]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.126247][ T8599]  ? 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)
[  522.126248][ T8599]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  522.126250][ T8599]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  522.126252][ T8599]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  522.126254][ T8599]  vprintk_emit (kernel/printk/printk.c:2479)
[  522.126256][ T8599]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  522.126257][ T8599]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  522.126260][ T8599]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  522.126263][ T8599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.126265][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126266][ T8599]  _printk (kernel/printk/printk.c:2504)
[  522.126269][ T8599]  ? snapshot_read.cold (user.c:?)
[  522.126272][ T8599]  ? br_multicast_flood (??:?)
[  522.126275][ T8599]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  522.126278][ T8599]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  522.126279][ T8599]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  522.126281][ T8599]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  522.126284][ T8599]  br_init_port (net/bridge/br_stp_if.c:39)
[  522.126286][ T8599]  new_nbp (net/bridge/br_if.c:449)
[  522.126288][ T8599]  br_add_if (net/bridge/br_if.c:592)
[  522.126290][ T8599]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  522.126295][ T8599]  do_set_master (net/core/rtnetlink.c:3071)
[  522.126297][ T8599]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  522.126299][ T8599]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  522.126300][ T8599]  ? __dev_get_by_name (net/core/dev.c:905)
[  522.126302][ T8599]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  522.126306][ T8599]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  522.126309][ T8599]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  522.126311][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126312][ T8599]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  522.126314][ T8599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.126316][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126317][ T8599]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  522.126320][ T8599]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  522.126322][ T8599]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  522.126325][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126326][ T8599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.126327][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126329][ T8599]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  522.126330][ T8599]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  522.126332][ T8599]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  522.126334][ T8599]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  522.126335][ T8599]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  522.126339][ T8599]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  522.126342][ T8599]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  522.126344][ T8599]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.126345][ T8599]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  522.126347][ T8599]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  522.126350][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126352][ T8599]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  522.126354][ T8599]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  522.126356][ T8599]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  522.126358][ T8599]  ? next_uptodate_folio (mm/filemap.c:3747)
[  522.126361][ T8599]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  522.126364][ T8599]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  522.126366][ T8599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.126368][ T8599]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  522.126371][ T8599]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  522.126374][ T8599]  ____sys_sendmsg (net/socket.c:2713)
[  522.126376][ T8599]  ? copy_msghdr_from_user (net/socket.c:2650)
[  522.126378][ T8599]  ? sock_write_iter (net/socket.c:1269)
[  522.126380][ T8599]  ? move_addr_to_kernel (net/socket.c:258)
[  522.126382][ T8599]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  522.126385][ T8599]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  522.126387][ T8599]  ___sys_sendmsg (net/socket.c:2767)
[  522.126388][ T8599]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  522.126391][ T8599]  ? copy_msghdr_from_user (net/socket.c:2619)
[  522.126392][ T8599]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  522.126397][ T8599]  __sys_sendmsg (net/socket.c:2799)
[  522.126402][ T8599]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  522.126405][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126407][ T8599]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  522.126409][ T8599]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  522.126412][ T8599]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  522.126414][ T8599]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  522.126417][ T8599] RIP: 0033:0x7f9aab63a54e
[  522.126419][ T8599] 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
[  522.126422][ T8599] RSP: 002b:00007ffc22440fa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  522.126425][ T8599] RAX: ffffffffffffffda RBX: 00007ffc22441768 RCX: 00007f9aab63a54e
[  522.126427][ T8599] RDX: 0000000000000000 RSI: 00007ffc22441050 RDI: 0000000000000005
[  522.126428][ T8599] RBP: 00007ffc22440fb0 R08: 0000000000000000 R09: 0000000000000000
[  522.126429][ T8599] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915203
[  522.126430][ T8599] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc22441720
| [  528.004986][ T8633] softirqs last disabled at (0): 0x0
| [  528.004988][ T8633] Preemption disabled at:
| [  528.004988][ T8633] vprintk_emit (kernel/printk/printk.c:2471)
| [  528.004999][ T8633] Tainted: [W]=WARN
[  528.005000][ T8633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  528.005002][ T8633] Call Trace:
[  528.005004][ T8633]  <TASK>
[  528.005005][ T8633]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  528.005011][ T8633]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  528.005012][ T8633]  __might_resched.cold (kernel/sched/core.c:9234)
[  528.005016][ T8633]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  528.005020][ T8633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.005023][ T8633]  __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))
[  528.005026][ T8633]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  528.005030][ T8633]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.005035][ T8633]  ? 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)
[  528.005037][ T8633]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  528.005040][ T8633]  put_chars (drivers/char/virtio_console.c:1176)
[  528.005042][ T8633]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  528.005044][ T8633]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  528.005046][ T8633]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  528.005049][ T8633]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  528.005054][ T8633]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  528.005056][ T8633]  ? 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)
[  528.005058][ T8633]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  528.005060][ T8633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.005061][ T8633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.005062][ T8633]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.005065][ T8633]  console_emit_next_record (kernel/printk/printk.c:3183)
[  528.005068][ T8633]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  528.005070][ T8633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.005071][ T8633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.005072][ T8633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.005074][ T8633]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.005076][ T8633]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  528.005078][ T8633]  console_flush_one_record (kernel/printk/printk.c:3268)
[  528.005080][ T8633]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  528.005083][ T8633]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  528.005085][ T8633]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  528.005087][ T8633]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  528.005089][ T8633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.005090][ T8633]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  528.005091][ T8633]  ? 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)
[  528.005093][ T8633]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  528.005095][ T8633]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  528.005097][ T8633]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  528.005098][ T8633]  vprintk_emit (kernel/printk/printk.c:2479)
[  528.005101][ T8633]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  528.005103][ T8633]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  528.005106][ T8633]  _printk (kernel/printk/printk.c:2504)
[  528.005109][ T8633]  ? snapshot_read.cold (user.c:?)
[  528.005113][ T8633]  ? 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)
[  528.005115][ T8633] gact_init_module (net/sched/act_gact.c:180) act_gact
[  528.005117][ T8633]  do_one_initcall (init/main.c:1357)
[  528.005119][ T8633]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  528.005122][ T8633]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  528.005125][ T8633]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  528.005129][ T8633]  do_init_module (kernel/module/main.c:3117)
[  528.005131][ T8633]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  528.005132][ T8633]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  528.005135][ T8633]  load_module (kernel/module/main.c:3593)
[  528.005137][ T8633]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[  528.005141][ T8633]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  528.005143][ T8633]  ? __ia32_sys_fsconfig (??:?)
[  528.005146][ T8633]  ? backing_file_read_iter (fs/backing-file.c:211)
[  528.005150][ T8633]  init_module_from_file (kernel/module/main.c:3790)
[  528.005152][ T8633]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  528.005153][ T8633]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  528.005157][ T8633]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  528.005159][ T8633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  528.005160][ T8633]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  528.005162][ T8633]  ? 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)
[  528.005164][ T8633]  idempotent_init_module (kernel/module/main.c:3802)
[  528.005166][ T8633]  ? init_module_from_file (kernel/module/main.c:3791)
[  528.005168][ T8633]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  528.005170][ T8633]  ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769)
[  528.005173][ T8633]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  528.005175][ T8633]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  528.005178][ T8633]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  528.005182][ T8633]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  528.005184][ T8633]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  528.005187][ T8633] RIP: 0033:0x7f24b5d3e37d
[  528.005189][ T8633] 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
[  528.005191][ T8633] RSP: 002b:00007ffff03061e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  528.005195][ T8633] RAX: ffffffffffffffda RBX: 0000558396abf810 RCX: 00007f24b5d3e37d
[  528.005196][ T8633] RDX: 0000000000000000 RSI: 00005583611bfffd RDI: 0000000000000000
[  528.005197][ T8633] RBP: 00007ffff0306280 R08: 0000000000000000 R09: 0000000000000000
[  528.005198][ T8633] R10: 0000000000000000 R11: 0000000000000246 R12: 00005583611bfffd
[  528.005199][ T8633] R13: 0000558396abf960 R14: 0000000000040000 R15: 0000000000000000
| [  530.783582][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  530.783586][   T12] Preemption disabled at:
| [  530.783587][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  530.783601][   T12] Tainted: [W]=WARN
[  530.783603][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  530.783605][   T12] Workqueue: netns cleanup_net
[  530.783612][   T12] Call Trace:
[  530.783614][   T12]  <TASK>
[  530.783617][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  530.783624][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  530.783626][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  530.783631][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  530.783634][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  530.783639][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.783643][   T12]  __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))
[  530.783646][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  530.783651][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  530.783657][   T12]  ? 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)
[  530.783660][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  530.783664][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  530.783667][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  530.783670][   T12]  ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22))
[  530.783673][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  530.783676][   T12]  ? __schedule (kernel/sched/core.c:7277)
[  530.783680][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  530.783687][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  530.783689][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.783692][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  530.783694][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.783696][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.783700][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  530.783704][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  530.783708][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.783710][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.783715][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  530.783718][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  530.783722][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  530.783726][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  530.783729][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.783732][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  530.783735][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.783737][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  530.783739][   T12]  ? 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)
[  530.783742][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  530.783745][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  530.783748][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  530.783751][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  530.783754][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  530.783756][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  530.783759][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  530.783763][   T12]  ? kthread (kernel/kthread.c:436)
[  530.783766][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  530.783770][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  530.783774][   T12]  _printk (kernel/printk/printk.c:2504)
[  530.783778][   T12]  ? snapshot_read.cold (user.c:?)
[  530.783782][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  530.783786][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  530.783789][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  530.783793][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  530.783797][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.783809][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  530.783812][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  530.783816][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  530.783819][   T12]  ? 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)
[  530.783822][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  530.783826][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  530.783830][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  530.783835][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  530.783839][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  530.783843][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  530.783847][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  530.783851][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  530.783856][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  530.783859][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  530.783863][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  530.783866][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  530.783869][   T12]  process_one_work (kernel/workqueue.c:3387)
[  530.783874][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  530.783877][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  530.783881][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  530.783886][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  530.783891][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  530.783894][   T12]  kthread (kernel/kthread.c:436)
[  530.783897][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  530.783900][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  530.783903][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  530.783906][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  530.783909][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  530.783913][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  530.783917][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  532.410587][ T8823] softirqs last disabled at (0): 0x0
| [  532.410590][ T8823] Preemption disabled at:
| [  532.410591][ T8823] vprintk_emit (kernel/printk/printk.c:2471)
| [  532.410605][ T8823] Tainted: [W]=WARN
[  532.410606][ T8823] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  532.410609][ T8823] Call Trace:
[  532.410611][ T8823]  <TASK>
[  532.410613][ T8823]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  532.410620][ T8823]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  532.410622][ T8823]  __might_resched.cold (kernel/sched/core.c:9234)
[  532.410628][ T8823]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  532.410631][ T8823]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  532.410635][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410639][ T8823]  __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))
[  532.410643][ T8823]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.410647][ T8823]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  532.410654][ T8823]  ? 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)
[  532.410657][ T8823]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  532.410661][ T8823]  put_chars (drivers/char/virtio_console.c:1176)
[  532.410664][ T8823]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  532.410667][ T8823]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  532.410672][ T8823]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  532.410678][ T8823]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  532.410681][ T8823]  ? vsnprintf (lib/vsprintf.c:2900)
[  532.410686][ T8823]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.410688][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410691][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410694][ T8823]  console_emit_next_record (kernel/printk/printk.c:3183)
[  532.410698][ T8823]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  532.410702][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410704][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410706][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410708][ T8823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.410712][ T8823]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  532.410716][ T8823]  console_flush_one_record (kernel/printk/printk.c:3268)
[  532.410719][ T8823]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  532.410724][ T8823]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  532.410727][ T8823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.410730][ T8823]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  532.410733][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410735][ T8823]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.410738][ T8823]  ? 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)
[  532.410740][ T8823]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  532.410743][ T8823]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  532.410746][ T8823]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  532.410749][ T8823]  vprintk_emit (kernel/printk/printk.c:2479)
[  532.410752][ T8823]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  532.410754][ T8823]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  532.410757][ T8823]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  532.410761][ T8823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.410764][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410767][ T8823]  _printk (kernel/printk/printk.c:2504)
[  532.410771][ T8823]  ? snapshot_read.cold (user.c:?)
[  532.410775][ T8823]  ? br_multicast_flood (??:?)
[  532.410779][ T8823]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  532.410782][ T8823]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  532.410785][ T8823]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  532.410788][ T8823]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  532.410793][ T8823]  br_init_port (net/bridge/br_stp_if.c:39)
[  532.410796][ T8823]  new_nbp (net/bridge/br_if.c:449)
[  532.410799][ T8823]  br_add_if (net/bridge/br_if.c:592)
[  532.410802][ T8823]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  532.410812][ T8823]  do_set_master (net/core/rtnetlink.c:3071)
[  532.410815][ T8823]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  532.410819][ T8823]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  532.410821][ T8823]  ? __dev_get_by_name (net/core/dev.c:905)
[  532.410824][ T8823]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  532.410830][ T8823]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  532.410835][ T8823]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  532.410838][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410841][ T8823]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  532.410843][ T8823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.410846][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410849][ T8823]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  532.410852][ T8823]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  532.410856][ T8823]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  532.410859][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410862][ T8823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.410864][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410867][ T8823]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  532.410869][ T8823]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  532.410872][ T8823]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  532.410875][ T8823]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  532.410877][ T8823]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  532.410883][ T8823]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  532.410887][ T8823]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  532.410890][ T8823]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.410892][ T8823]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  532.410895][ T8823]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  532.410900][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410903][ T8823]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  532.410906][ T8823]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  532.410910][ T8823]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  532.410913][ T8823]  ? next_uptodate_folio (mm/filemap.c:3747)
[  532.410918][ T8823]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  532.410922][ T8823]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  532.410925][ T8823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.410928][ T8823]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  532.410933][ T8823]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  532.410937][ T8823]  ____sys_sendmsg (net/socket.c:2713)
[  532.410940][ T8823]  ? copy_msghdr_from_user (net/socket.c:2650)
[  532.410943][ T8823]  ? sock_write_iter (net/socket.c:1269)
[  532.410945][ T8823]  ? move_addr_to_kernel (net/socket.c:258)
[  532.410949][ T8823]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  532.410953][ T8823]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  532.410956][ T8823]  ___sys_sendmsg (net/socket.c:2767)
[  532.410959][ T8823]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  532.410962][ T8823]  ? copy_msghdr_from_user (net/socket.c:2619)
[  532.410965][ T8823]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  532.410973][ T8823]  __sys_sendmsg (net/socket.c:2799)
[  532.410976][ T8823]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  532.410981][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410983][ T8823]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  532.410986][ T8823]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  532.410990][ T8823]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  532.410993][ T8823]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  532.410997][ T8823] RIP: 0033:0x7efe0b42954e
[  532.411000][ T8823] 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
[  532.411003][ T8823] RSP: 002b:00007ffdf9498140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  532.411008][ T8823] RAX: ffffffffffffffda RBX: 00007ffdf9498908 RCX: 00007efe0b42954e
[  532.411010][ T8823] RDX: 0000000000000000 RSI: 00007ffdf94981f0 RDI: 0000000000000005
[  532.411012][ T8823] RBP: 00007ffdf9498150 R08: 0000000000000000 R09: 0000000000000000
[  532.411014][ T8823] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91520d
[  532.411016][ T8823] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf94988c0
| [  534.222509][ T8892] softirqs last disabled at (0): 0x0
| [  534.222512][ T8892] Preemption disabled at:
| [  534.222512][ T8892] vprintk_emit (kernel/printk/printk.c:2471)
| [  534.222523][ T8892] Tainted: [W]=WARN
[  534.222524][ T8892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  534.222526][ T8892] Call Trace:
[  534.222528][ T8892]  <TASK>
[  534.222530][ T8892]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  534.222536][ T8892]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  534.222537][ T8892]  __might_resched.cold (kernel/sched/core.c:9234)
[  534.222541][ T8892]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  534.222545][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222547][ T8892]  __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))
[  534.222550][ T8892]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  534.222554][ T8892]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  534.222559][ T8892]  ? 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)
[  534.222561][ T8892]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  534.222563][ T8892]  put_chars (drivers/char/virtio_console.c:1176)
[  534.222565][ T8892]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  534.222566][ T8892]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  534.222569][ T8892]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  534.222571][ T8892]  ? pointer (lib/vsprintf.c:2577)
[  534.222575][ T8892]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  534.222580][ T8892]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  534.222582][ T8892]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  534.222584][ T8892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.222587][ T8892]  console_emit_next_record (kernel/printk/printk.c:3183)
[  534.222590][ T8892]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  534.222592][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222593][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222594][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222596][ T8892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.222598][ T8892]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  534.222600][ T8892]  console_flush_one_record (kernel/printk/printk.c:3268)
[  534.222602][ T8892]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  534.222605][ T8892]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  534.222608][ T8892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.222609][ T8892]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  534.222611][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222612][ T8892]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  534.222614][ T8892]  ? 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)
[  534.222616][ T8892]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  534.222617][ T8892]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  534.222620][ T8892]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  534.222621][ T8892]  vprintk_emit (kernel/printk/printk.c:2479)
[  534.222623][ T8892]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  534.222624][ T8892]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  534.222627][ T8892]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  534.222630][ T8892]  _printk (kernel/printk/printk.c:2504)
[  534.222633][ T8892]  ? snapshot_read.cold (user.c:?)
[  534.222635][ T8892]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  534.222638][ T8892]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  534.222641][ T8892]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  534.222643][ T8892]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.222646][ T8892]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  534.222649][ T8892]  ? netdev_notice (net/core/dev.c:13194)
[  534.222651][ T8892]  ? 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)
[  534.222653][ T8892]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  534.222656][ T8892]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  534.222657][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222658][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222660][ T8892]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  534.222663][ T8892]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  534.222665][ T8892]  ? 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)
[  534.222666][ T8892]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.222668][ T8892]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  534.222669][ T8892]  ? register_netdev (net/core/dev.c:11618)
[  534.222671][ T8892]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  534.222673][ T8892]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  534.222676][ T8892]  ? __kernel_text_address (kernel/extable.c:79)
[  534.222678][ T8892]  ? write_profile (profile.c:?)
[  534.222681][ T8892]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  534.222685][ T8892]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  534.222687][ T8892]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  534.222688][ T8892]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  534.222690][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222691][ T8892]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  534.222694][ T8892]  ? kasan_save_stack (mm/kasan/common.c:58)
[  534.222696][ T8892]  ? kasan_save_stack (mm/kasan/common.c:57)
[  534.222698][ T8892]  ? kasan_save_track (mm/kasan/common.c:78)
[  534.222699][ T8892]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  534.222700][ T8892]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  534.222701][ T8892]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  534.222703][ T8892]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  534.222704][ T8892]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  534.222707][ T8892]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  534.222709][ T8892]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  534.222710][ T8892]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  534.222713][ T8892]  ? ____sys_sendmsg (net/socket.c:2713)
[  534.222715][ T8892]  ? ___sys_sendmsg (net/socket.c:2767)
[  534.222716][ T8892]  ? __sys_sendmsg (net/socket.c:2799)
[  534.222718][ T8892]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  534.222720][ T8892]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  534.222723][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222724][ T8892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.222726][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222727][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222728][ T8892]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  534.222730][ T8892]  ? __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)
[  534.222731][ T8892]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  534.222732][ T8892]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  534.222734][ T8892]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  534.222735][ T8892]  ? nla_get_range_signed (lib/nlattr.c:270)
[  534.222739][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222740][ T8892]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  534.222742][ T8892]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  534.222745][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222746][ T8892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  534.222747][ T8892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.222749][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222751][ T8892]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  534.222753][ T8892]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  534.222754][ T8892]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  534.222756][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222757][ T8892]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  534.222761][ T8892]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  534.222763][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222764][ T8892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.222766][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222767][ T8892]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  534.222769][ T8892]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  534.222771][ T8892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  534.222772][ T8892]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  534.222774][ T8892]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  534.222776][ T8892]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  534.222778][ T8892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  534.222780][ T8892]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  534.222782][ T8892]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  534.222784][ T8892]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  534.222787][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222788][ T8892]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  534.222790][ T8892]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  534.222793][ T8892]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  534.222795][ T8892]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  534.222797][ T8892]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  534.222799][ T8892]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  534.222801][ T8892]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  534.222803][ T8892]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  534.222805][ T8892]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  534.222808][ T8892]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  534.222810][ T8892]  ____sys_sendmsg (net/socket.c:2713)
[  534.222812][ T8892]  ? copy_msghdr_from_user (net/socket.c:2650)
[  534.222814][ T8892]  ? sock_write_iter (net/socket.c:1269)
[  534.222815][ T8892]  ? move_addr_to_kernel (net/socket.c:258)
[  534.222817][ T8892]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  534.222826][ T8892]  ___sys_sendmsg (net/socket.c:2767)
[  534.222828][ T8892]  ? copy_msghdr_from_user (net/socket.c:2619)
[  534.222833][ T8892]  __sys_sendmsg (net/socket.c:2799)
[  534.222836][ T8892]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  534.222839][ T8892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  534.222840][ T8892]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  534.222842][ T8892]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  534.222844][ T8892]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  534.222846][ T8892] RIP: 0033:0x7fb388d9654e
[  534.222848][ T8892] 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
[  534.222850][ T8892] RSP: 002b:00007ffe70affca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  534.222854][ T8892] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb388d9654e
[  534.222855][ T8892] RDX: 0000000000000000 RSI: 00007ffe70affd50 RDI: 0000000000000005
[  534.222857][ T8892] RBP: 00007ffe70affcb0 R08: 0000000000000000 R09: 0000000000000000
[  534.222858][ T8892] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91520f
[  534.222859][ T8892] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe70b00410
| [  535.653447][ T8942] softirqs last disabled at (0): 0x0
| [  535.653450][ T8942] Preemption disabled at:
| [  535.653451][ T8942] vprintk_emit (kernel/printk/printk.c:2471)
| [  535.653464][ T8942] Tainted: [W]=WARN
[  535.653466][ T8942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  535.653469][ T8942] Call Trace:
[  535.653471][ T8942]  <TASK>
[  535.653473][ T8942]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  535.653480][ T8942]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  535.653483][ T8942]  __might_resched.cold (kernel/sched/core.c:9234)
[  535.653488][ T8942]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  535.653491][ T8942]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  535.653495][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653499][ T8942]  __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))
[  535.653504][ T8942]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  535.653508][ T8942]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  535.653515][ T8942]  ? 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)
[  535.653518][ T8942]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  535.653522][ T8942]  put_chars (drivers/char/virtio_console.c:1176)
[  535.653525][ T8942]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  535.653528][ T8942]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[  535.653532][ T8942]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  535.653536][ T8942]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  535.653543][ T8942]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  535.653545][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653548][ T8942]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  535.653550][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653552][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653556][ T8942]  console_emit_next_record (kernel/printk/printk.c:3183)
[  535.653560][ T8942]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  535.653564][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653566][ T8942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.653570][ T8942]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  535.653573][ T8942]  console_flush_one_record (kernel/printk/printk.c:3268)
[  535.653577][ T8942]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  535.653581][ T8942]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  535.653584][ T8942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.653587][ T8942]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  535.653590][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653592][ T8942]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  535.653595][ T8942]  ? 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)
[  535.653597][ T8942]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  535.653600][ T8942]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  535.653603][ T8942]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  535.653606][ T8942]  vprintk_emit (kernel/printk/printk.c:2479)
[  535.653609][ T8942]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  535.653611][ T8942]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  535.653614][ T8942]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  535.653617][ T8942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.653620][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653623][ T8942]  _printk (kernel/printk/printk.c:2504)
[  535.653627][ T8942]  ? snapshot_read.cold (user.c:?)
[  535.653631][ T8942]  ? br_multicast_flood (??:?)
[  535.653635][ T8942]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  535.653639][ T8942]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  535.653641][ T8942]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  535.653644][ T8942]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  535.653649][ T8942]  br_init_port (net/bridge/br_stp_if.c:39)
[  535.653652][ T8942]  new_nbp (net/bridge/br_if.c:449)
[  535.653655][ T8942]  br_add_if (net/bridge/br_if.c:592)
[  535.653658][ T8942]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  535.653664][ T8942]  do_set_master (net/core/rtnetlink.c:3071)
[  535.653668][ T8942]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  535.653671][ T8942]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  535.653674][ T8942]  ? __dev_get_by_name (net/core/dev.c:905)
[  535.653676][ T8942]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  535.653683][ T8942]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  535.653687][ T8942]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  535.653691][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653693][ T8942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  535.653696][ T8942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.653698][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653701][ T8942]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  535.653705][ T8942]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  535.653708][ T8942]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  535.653712][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653714][ T8942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.653717][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653719][ T8942]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  535.653722][ T8942]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  535.653725][ T8942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  535.653727][ T8942]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  535.653730][ T8942]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  535.653735][ T8942]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  535.653740][ T8942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  535.653742][ T8942]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  535.653745][ T8942]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  535.653748][ T8942]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  535.653753][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653755][ T8942]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  535.653758][ T8942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  535.653762][ T8942]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  535.653765][ T8942]  ? next_uptodate_folio (mm/filemap.c:3747)
[  535.653770][ T8942]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  535.653774][ T8942]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  535.653777][ T8942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.653780][ T8942]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  535.653785][ T8942]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  535.653789][ T8942]  ____sys_sendmsg (net/socket.c:2713)
[  535.653792][ T8942]  ? copy_msghdr_from_user (net/socket.c:2650)
[  535.653794][ T8942]  ? sock_write_iter (net/socket.c:1269)
[  535.653797][ T8942]  ? move_addr_to_kernel (net/socket.c:258)
[  535.653801][ T8942]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  535.653804][ T8942]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  535.653808][ T8942]  ___sys_sendmsg (net/socket.c:2767)
[  535.653810][ T8942]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  535.653813][ T8942]  ? copy_msghdr_from_user (net/socket.c:2619)
[  535.653816][ T8942]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  535.653825][ T8942]  __sys_sendmsg (net/socket.c:2799)
[  535.653834][ T8942]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  535.653839][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653841][ T8942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  535.653844][ T8942]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  535.653848][ T8942]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  535.653852][ T8942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  535.653855][ T8942] RIP: 0033:0x7f9d4479954e
[  535.653858][ T8942] 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
[  535.653861][ T8942] RSP: 002b:00007fffdaff2c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  535.653866][ T8942] RAX: ffffffffffffffda RBX: 00007fffdaff33d8 RCX: 00007f9d4479954e
[  535.653869][ T8942] RDX: 0000000000000000 RSI: 00007fffdaff2cc0 RDI: 0000000000000005
[  535.653871][ T8942] RBP: 00007fffdaff2c20 R08: 0000000000000000 R09: 0000000000000000
[  535.653872][ T8942] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915210
[  535.653874][ T8942] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdaff3390
| [  544.130541][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  544.130545][   T12] Preemption disabled at:
| [  544.130546][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  544.130560][   T12] Tainted: [W]=WARN
[  544.130562][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  544.130565][   T12] Workqueue: netns cleanup_net
[  544.130572][   T12] Call Trace:
[  544.130574][   T12]  <TASK>
[  544.130576][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  544.130583][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  544.130586][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  544.130590][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  544.130594][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  544.130598][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.130602][   T12]  __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))
[  544.130606][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.130611][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.130617][   T12]  ? 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)
[  544.130620][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  544.130624][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  544.130627][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  544.130630][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  544.130634][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  544.130641][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  544.130644][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  544.130647][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.130650][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.130652][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.130655][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  544.130659][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  544.130663][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.130665][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.130667][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.130669][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.130673][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  544.130676][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  544.130680][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  544.130685][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  544.130688][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.130691][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  544.130693][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.130695][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  544.130698][   T12]  ? 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)
[  544.130700][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  544.130703][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  544.130707][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  544.130709][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  544.130713][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  544.130715][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  544.130718][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  544.130722][   T12]  ? kthread (kernel/kthread.c:436)
[  544.130725][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  544.130729][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  544.130733][   T12]  _printk (kernel/printk/printk.c:2504)
[  544.130737][   T12]  ? snapshot_read.cold (user.c:?)
[  544.130741][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  544.130746][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  544.130749][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  544.130753][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  544.130757][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.130759][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  544.130761][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  544.130766][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  544.130768][   T12]  ? 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)
[  544.130771][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  544.130775][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  544.130779][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  544.130784][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  544.130788][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  544.130792][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  544.130796][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  544.130799][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  544.130804][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  544.130807][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  544.130811][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  544.130814][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  544.130817][   T12]  process_one_work (kernel/workqueue.c:3387)
[  544.130822][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  544.130826][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  544.130830][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  544.130834][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  544.130839][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  544.130843][   T12]  kthread (kernel/kthread.c:436)
[  544.130845][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  544.130848][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  544.130852][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  544.130855][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  544.130859][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  544.130863][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  544.130866][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  545.190941][ T9116] softirqs last disabled at (0): 0x0
| [  545.190943][ T9116] Preemption disabled at:
| [  545.190943][ T9116] vprintk_emit (kernel/printk/printk.c:2471)
| [  545.190954][ T9116] Tainted: [W]=WARN
[  545.190956][ T9116] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  545.190958][ T9116] Call Trace:
[  545.190959][ T9116]  <TASK>
[  545.190961][ T9116]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  545.190967][ T9116]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  545.190968][ T9116]  __might_resched.cold (kernel/sched/core.c:9234)
[  545.190972][ T9116]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  545.190977][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.190983][ T9116]  __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))
[  545.190987][ T9116]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  545.190991][ T9116]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.190996][ T9116]  ? 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)
[  545.190998][ T9116]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  545.191001][ T9116]  put_chars (drivers/char/virtio_console.c:1176)
[  545.191003][ T9116]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  545.191005][ T9116]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  545.191007][ T9116]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  545.191010][ T9116]  ? pointer (lib/vsprintf.c:2577)
[  545.191013][ T9116]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  545.191018][ T9116]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  545.191020][ T9116]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  545.191022][ T9116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.191025][ T9116]  console_emit_next_record (kernel/printk/printk.c:3183)
[  545.191028][ T9116]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  545.191030][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191032][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191033][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191034][ T9116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.191036][ T9116]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  545.191038][ T9116]  console_flush_one_record (kernel/printk/printk.c:3268)
[  545.191041][ T9116]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  545.191044][ T9116]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  545.191046][ T9116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.191047][ T9116]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  545.191049][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191050][ T9116]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  545.191052][ T9116]  ? 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)
[  545.191054][ T9116]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  545.191055][ T9116]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  545.191058][ T9116]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  545.191059][ T9116]  vprintk_emit (kernel/printk/printk.c:2479)
[  545.191061][ T9116]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  545.191062][ T9116]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  545.191065][ T9116]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  545.191068][ T9116]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  545.191071][ T9116]  _printk (kernel/printk/printk.c:2504)
[  545.191074][ T9116]  ? snapshot_read.cold (user.c:?)
[  545.191076][ T9116]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  545.191078][ T9116]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  545.191082][ T9116]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  545.191084][ T9116]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.191087][ T9116]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  545.191089][ T9116]  ? netdev_notice (net/core/dev.c:13194)
[  545.191092][ T9116]  ? 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)
[  545.191094][ T9116]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  545.191096][ T9116]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  545.191098][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191099][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191100][ T9116]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  545.191102][ T9116]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  545.191104][ T9116]  ? 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)
[  545.191105][ T9116]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.191107][ T9116]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  545.191108][ T9116]  ? register_netdev (net/core/dev.c:11618)
[  545.191110][ T9116]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  545.191112][ T9116]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  545.191115][ T9116]  ? __kernel_text_address (kernel/extable.c:79)
[  545.191118][ T9116]  ? write_profile (profile.c:?)
[  545.191121][ T9116]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  545.191124][ T9116]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  545.191127][ T9116]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  545.191128][ T9116]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  545.191130][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191131][ T9116]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  545.191134][ T9116]  ? kasan_save_stack (mm/kasan/common.c:58)
[  545.191136][ T9116]  ? kasan_save_stack (mm/kasan/common.c:57)
[  545.191137][ T9116]  ? kasan_save_track (mm/kasan/common.c:78)
[  545.191139][ T9116]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  545.191140][ T9116]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  545.191141][ T9116]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  545.191142][ T9116]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  545.191144][ T9116]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  545.191147][ T9116]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  545.191148][ T9116]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  545.191150][ T9116]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  545.191153][ T9116]  ? ____sys_sendmsg (net/socket.c:2713)
[  545.191154][ T9116]  ? ___sys_sendmsg (net/socket.c:2767)
[  545.191156][ T9116]  ? __sys_sendmsg (net/socket.c:2799)
[  545.191158][ T9116]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  545.191160][ T9116]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  545.191163][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191164][ T9116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.191166][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191167][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191168][ T9116]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  545.191170][ T9116]  ? __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)
[  545.191171][ T9116]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  545.191172][ T9116]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  545.191174][ T9116]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  545.191175][ T9116]  ? nla_get_range_signed (lib/nlattr.c:270)
[  545.191179][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191180][ T9116]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  545.191182][ T9116]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  545.191184][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191186][ T9116]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.191187][ T9116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.191189][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191190][ T9116]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  545.191192][ T9116]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  545.191194][ T9116]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  545.191195][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191197][ T9116]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  545.191200][ T9116]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  545.191202][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191203][ T9116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.191205][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191206][ T9116]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  545.191208][ T9116]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  545.191210][ T9116]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.191211][ T9116]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  545.191213][ T9116]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  545.191215][ T9116]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  545.191217][ T9116]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  545.191219][ T9116]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  545.191220][ T9116]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  545.191222][ T9116]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  545.191225][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191227][ T9116]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  545.191229][ T9116]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  545.191231][ T9116]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  545.191233][ T9116]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  545.191235][ T9116]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  545.191238][ T9116]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  545.191239][ T9116]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  545.191241][ T9116]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  545.191243][ T9116]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  545.191246][ T9116]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  545.191248][ T9116]  ____sys_sendmsg (net/socket.c:2713)
[  545.191250][ T9116]  ? copy_msghdr_from_user (net/socket.c:2650)
[  545.191252][ T9116]  ? sock_write_iter (net/socket.c:1269)
[  545.191253][ T9116]  ? move_addr_to_kernel (net/socket.c:258)
[  545.191255][ T9116]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  545.191258][ T9116]  ___sys_sendmsg (net/socket.c:2767)
[  545.191260][ T9116]  ? copy_msghdr_from_user (net/socket.c:2619)
[  545.191266][ T9116]  __sys_sendmsg (net/socket.c:2799)
[  545.191268][ T9116]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  545.191271][ T9116]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  545.191273][ T9116]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  545.191275][ T9116]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  545.191277][ T9116]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  545.191279][ T9116] RIP: 0033:0x7f685aaa354e
[  545.191281][ T9116] 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
[  545.191283][ T9116] RSP: 002b:00007ffdf97f55e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  545.191287][ T9116] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f685aaa354e
[  545.191288][ T9116] RDX: 0000000000000000 RSI: 00007ffdf97f5690 RDI: 0000000000000005
[  545.191289][ T9116] RBP: 00007ffdf97f55f0 R08: 0000000000000000 R09: 0000000000000000
[  545.191290][ T9116] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91521a
[  545.191291][ T9116] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf97f5d50
| [  546.751718][ T9190] softirqs last disabled at (0): 0x0
| [  546.751720][ T9190] Preemption disabled at:
| [  546.751721][ T9190] vprintk_emit (kernel/printk/printk.c:2471)
| [  546.751732][ T9190] Tainted: [W]=WARN
[  546.751733][ T9190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  546.751735][ T9190] Call Trace:
[  546.751737][ T9190]  <TASK>
[  546.751738][ T9190]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  546.751744][ T9190]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  546.751746][ T9190]  __might_resched.cold (kernel/sched/core.c:9234)
[  546.751750][ T9190]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  546.751752][ T9190]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  546.751755][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751758][ T9190]  __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))
[  546.751761][ T9190]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  546.751764][ T9190]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  546.751770][ T9190]  ? 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)
[  546.751772][ T9190]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  546.751775][ T9190]  put_chars (drivers/char/virtio_console.c:1176)
[  546.751777][ T9190]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  546.751779][ T9190]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  546.751782][ T9190]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  546.751786][ T9190]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  546.751788][ T9190]  ? vsnprintf (lib/vsprintf.c:2900)
[  546.751792][ T9190]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  546.751794][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751795][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751797][ T9190]  console_emit_next_record (kernel/printk/printk.c:3183)
[  546.751800][ T9190]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  546.751802][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751803][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751804][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751805][ T9190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  546.751808][ T9190]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  546.751810][ T9190]  console_flush_one_record (kernel/printk/printk.c:3268)
[  546.751813][ T9190]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  546.751816][ T9190]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  546.751818][ T9190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  546.751819][ T9190]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  546.751821][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751823][ T9190]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  546.751824][ T9190]  ? 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)
[  546.751826][ T9190]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  546.751827][ T9190]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  546.751829][ T9190]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  546.751831][ T9190]  vprintk_emit (kernel/printk/printk.c:2479)
[  546.751833][ T9190]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  546.751834][ T9190]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  546.751836][ T9190]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  546.751839][ T9190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  546.751841][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751842][ T9190]  _printk (kernel/printk/printk.c:2504)
[  546.751846][ T9190]  ? snapshot_read.cold (user.c:?)
[  546.751848][ T9190]  ? br_multicast_flood (??:?)
[  546.751852][ T9190]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  546.751855][ T9190]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  546.751856][ T9190]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  546.751858][ T9190]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  546.751861][ T9190]  br_init_port (net/bridge/br_stp_if.c:39)
[  546.751863][ T9190]  new_nbp (net/bridge/br_if.c:449)
[  546.751865][ T9190]  br_add_if (net/bridge/br_if.c:592)
[  546.751867][ T9190]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  546.751872][ T9190]  do_set_master (net/core/rtnetlink.c:3071)
[  546.751874][ T9190]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  546.751876][ T9190]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  546.751877][ T9190]  ? __dev_get_by_name (net/core/dev.c:905)
[  546.751879][ T9190]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  546.751883][ T9190]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  546.751886][ T9190]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  546.751895][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751897][ T9190]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  546.751898][ T9190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  546.751900][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751901][ T9190]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  546.751904][ T9190]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  546.751906][ T9190]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  546.751909][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751910][ T9190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  546.751912][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751913][ T9190]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  546.751914][ T9190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  546.751916][ T9190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  546.751918][ T9190]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  546.751919][ T9190]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  546.751923][ T9190]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  546.751926][ T9190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  546.751928][ T9190]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  546.751930][ T9190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  546.751932][ T9190]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  546.751935][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.751936][ T9190]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  546.751938][ T9190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  546.751941][ T9190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  546.751943][ T9190]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  546.751946][ T9190]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  546.751949][ T9190]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  546.751951][ T9190]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  546.751954][ T9190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  546.751955][ T9190]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  546.751959][ T9190]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  546.751962][ T9190]  ____sys_sendmsg (net/socket.c:2713)
[  546.751964][ T9190]  ? copy_msghdr_from_user (net/socket.c:2650)
[  546.751966][ T9190]  ? sock_write_iter (net/socket.c:1269)
[  546.751967][ T9190]  ? move_addr_to_kernel (net/socket.c:258)
[  546.751970][ T9190]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  546.751973][ T9190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  546.751977][ T9190]  ___sys_sendmsg (net/socket.c:2767)
[  546.751981][ T9190]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  546.751985][ T9190]  ? copy_msghdr_from_user (net/socket.c:2619)
[  546.751988][ T9190]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  546.751996][ T9190]  __sys_sendmsg (net/socket.c:2799)
[  546.751998][ T9190]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  546.752001][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.752003][ T9190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  546.752004][ T9190]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  546.752007][ T9190]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  546.752009][ T9190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  546.752011][ T9190] RIP: 0033:0x7ff5d763854e
[  546.752014][ T9190] 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
[  546.752016][ T9190] RSP: 002b:00007ffd7703dcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  546.752019][ T9190] RAX: ffffffffffffffda RBX: 00007ffd7703e4b8 RCX: 00007ff5d763854e
[  546.752021][ T9190] RDX: 0000000000000000 RSI: 00007ffd7703dda0 RDI: 0000000000000005
[  546.752022][ T9190] RBP: 00007ffd7703dd00 R08: 0000000000000000 R09: 0000000000000000
[  546.752023][ T9190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91521c
[  546.752024][ T9190] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7703e470
| [  547.772891][ T9229] softirqs last disabled at (0): 0x0
| [  547.772898][ T9229] Preemption disabled at:
| [  547.772899][ T9229] vprintk_emit (kernel/printk/printk.c:2471)
| [  547.772911][ T9229] Tainted: [W]=WARN
[  547.772912][ T9229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  547.772914][ T9229] Call Trace:
[  547.772916][ T9229]  <TASK>
[  547.772918][ T9229]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  547.772924][ T9229]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  547.772926][ T9229]  __might_resched.cold (kernel/sched/core.c:9234)
[  547.772929][ T9229]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  547.772933][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.772936][ T9229]  __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))
[  547.772939][ T9229]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  547.772942][ T9229]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  547.772948][ T9229]  ? 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)
[  547.772950][ T9229]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  547.772953][ T9229]  put_chars (drivers/char/virtio_console.c:1176)
[  547.772955][ T9229]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  547.772957][ T9229]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  547.772959][ T9229]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  547.772962][ T9229]  ? pointer (lib/vsprintf.c:2577)
[  547.772965][ T9229]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  547.772970][ T9229]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  547.772972][ T9229]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  547.772975][ T9229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  547.772980][ T9229]  console_emit_next_record (kernel/printk/printk.c:3183)
[  547.772985][ T9229]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  547.772989][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.772990][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.772992][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.772993][ T9229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  547.772995][ T9229]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  547.772997][ T9229]  console_flush_one_record (kernel/printk/printk.c:3268)
[  547.773000][ T9229]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  547.773003][ T9229]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  547.773005][ T9229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  547.773007][ T9229]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  547.773009][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773010][ T9229]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  547.773012][ T9229]  ? 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)
[  547.773014][ T9229]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  547.773015][ T9229]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  547.773017][ T9229]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  547.773019][ T9229]  vprintk_emit (kernel/printk/printk.c:2479)
[  547.773021][ T9229]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  547.773022][ T9229]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  547.773025][ T9229]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  547.773028][ T9229]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  547.773031][ T9229]  _printk (kernel/printk/printk.c:2504)
[  547.773034][ T9229]  ? snapshot_read.cold (user.c:?)
[  547.773037][ T9229]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  547.773039][ T9229]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  547.773042][ T9229]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  547.773044][ T9229]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  547.773048][ T9229]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  547.773050][ T9229]  ? netdev_notice (net/core/dev.c:13194)
[  547.773052][ T9229]  ? 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)
[  547.773054][ T9229]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  547.773057][ T9229]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  547.773059][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773060][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773061][ T9229]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  547.773063][ T9229]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  547.773065][ T9229]  ? 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)
[  547.773066][ T9229]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  547.773068][ T9229]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  547.773070][ T9229]  ? register_netdev (net/core/dev.c:11618)
[  547.773071][ T9229]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  547.773073][ T9229]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  547.773076][ T9229]  ? __kernel_text_address (kernel/extable.c:79)
[  547.773079][ T9229]  ? write_profile (profile.c:?)
[  547.773082][ T9229]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  547.773086][ T9229]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  547.773088][ T9229]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  547.773090][ T9229]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  547.773091][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773092][ T9229]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  547.773096][ T9229]  ? kasan_save_stack (mm/kasan/common.c:58)
[  547.773098][ T9229]  ? kasan_save_stack (mm/kasan/common.c:57)
[  547.773099][ T9229]  ? kasan_save_track (mm/kasan/common.c:78)
[  547.773100][ T9229]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  547.773101][ T9229]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  547.773103][ T9229]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  547.773104][ T9229]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  547.773105][ T9229]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  547.773109][ T9229]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  547.773110][ T9229]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  547.773112][ T9229]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  547.773115][ T9229]  ? ____sys_sendmsg (net/socket.c:2713)
[  547.773116][ T9229]  ? ___sys_sendmsg (net/socket.c:2767)
[  547.773118][ T9229]  ? __sys_sendmsg (net/socket.c:2799)
[  547.773120][ T9229]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  547.773122][ T9229]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  547.773125][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773126][ T9229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  547.773128][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773129][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773130][ T9229]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  547.773132][ T9229]  ? __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)
[  547.773133][ T9229]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  547.773134][ T9229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  547.773136][ T9229]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  547.773137][ T9229]  ? nla_get_range_signed (lib/nlattr.c:270)
[  547.773140][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773142][ T9229]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  547.773144][ T9229]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  547.773146][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773148][ T9229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  547.773149][ T9229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  547.773151][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773152][ T9229]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  547.773155][ T9229]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  547.773156][ T9229]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  547.773158][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773159][ T9229]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  547.773163][ T9229]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  547.773165][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773166][ T9229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  547.773168][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773170][ T9229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  547.773171][ T9229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  547.773173][ T9229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  547.773175][ T9229]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  547.773176][ T9229]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  547.773179][ T9229]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  547.773181][ T9229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  547.773182][ T9229]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  547.773184][ T9229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  547.773186][ T9229]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  547.773189][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773191][ T9229]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  547.773193][ T9229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  547.773195][ T9229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  547.773197][ T9229]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  547.773199][ T9229]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  547.773202][ T9229]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  547.773204][ T9229]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  547.773206][ T9229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  547.773207][ T9229]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  547.773211][ T9229]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  547.773213][ T9229]  ____sys_sendmsg (net/socket.c:2713)
[  547.773215][ T9229]  ? copy_msghdr_from_user (net/socket.c:2650)
[  547.773216][ T9229]  ? sock_write_iter (net/socket.c:1269)
[  547.773218][ T9229]  ? move_addr_to_kernel (net/socket.c:258)
[  547.773220][ T9229]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  547.773223][ T9229]  ___sys_sendmsg (net/socket.c:2767)
[  547.773225][ T9229]  ? copy_msghdr_from_user (net/socket.c:2619)
[  547.773230][ T9229]  __sys_sendmsg (net/socket.c:2799)
[  547.773232][ T9229]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  547.773235][ T9229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  547.773237][ T9229]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  547.773239][ T9229]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  547.773241][ T9229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  547.773243][ T9229] RIP: 0033:0x7fa72fac454e
[  547.773245][ T9229] 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
[  547.773247][ T9229] RSP: 002b:00007ffc56cd5b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  547.773251][ T9229] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa72fac454e
[  547.773253][ T9229] RDX: 0000000000000000 RSI: 00007ffc56cd5c30 RDI: 0000000000000005
[  547.773254][ T9229] RBP: 00007ffc56cd5b90 R08: 0000000000000000 R09: 0000000000000000
[  547.773255][ T9229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91521d
[  547.773256][ T9229] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc56cd62f0
| [  549.346894][ T9279] softirqs last disabled at (0): 0x0
| [  549.346897][ T9279] Preemption disabled at:
| [  549.346898][ T9279] vprintk_emit (kernel/printk/printk.c:2471)
| [  549.346918][ T9279] Tainted: [W]=WARN
[  549.346920][ T9279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  549.346923][ T9279] Call Trace:
[  549.346925][ T9279]  <TASK>
[  549.346927][ T9279]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  549.346934][ T9279]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  549.346936][ T9279]  __might_resched.cold (kernel/sched/core.c:9234)
[  549.346941][ T9279]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  549.346945][ T9279]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  549.346949][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.346953][ T9279]  __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))
[  549.346957][ T9279]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  549.346961][ T9279]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  549.346968][ T9279]  ? 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)
[  549.346971][ T9279]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  549.346975][ T9279]  put_chars (drivers/char/virtio_console.c:1176)
[  549.346980][ T9279]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  549.346985][ T9279]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  549.346990][ T9279]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  549.346996][ T9279]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  549.346999][ T9279]  ? vsnprintf (lib/vsprintf.c:2900)
[  549.347003][ T9279]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  549.347006][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347008][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347011][ T9279]  console_emit_next_record (kernel/printk/printk.c:3183)
[  549.347016][ T9279]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  549.347019][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347021][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347023][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347025][ T9279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  549.347029][ T9279]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  549.347032][ T9279]  console_flush_one_record (kernel/printk/printk.c:3268)
[  549.347035][ T9279]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  549.347040][ T9279]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  549.347043][ T9279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  549.347046][ T9279]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  549.347048][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347050][ T9279]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  549.347053][ T9279]  ? 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)
[  549.347055][ T9279]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  549.347058][ T9279]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  549.347061][ T9279]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  549.347064][ T9279]  vprintk_emit (kernel/printk/printk.c:2479)
[  549.347067][ T9279]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  549.347069][ T9279]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  549.347072][ T9279]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  549.347076][ T9279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  549.347079][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347081][ T9279]  _printk (kernel/printk/printk.c:2504)
[  549.347086][ T9279]  ? snapshot_read.cold (user.c:?)
[  549.347089][ T9279]  ? br_multicast_flood (??:?)
[  549.347093][ T9279]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  549.347097][ T9279]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  549.347099][ T9279]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  549.347103][ T9279]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  549.347107][ T9279]  br_init_port (net/bridge/br_stp_if.c:39)
[  549.347110][ T9279]  new_nbp (net/bridge/br_if.c:449)
[  549.347113][ T9279]  br_add_if (net/bridge/br_if.c:592)
[  549.347116][ T9279]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  549.347122][ T9279]  do_set_master (net/core/rtnetlink.c:3071)
[  549.347126][ T9279]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  549.347129][ T9279]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  549.347131][ T9279]  ? __dev_get_by_name (net/core/dev.c:905)
[  549.347134][ T9279]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  549.347140][ T9279]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  549.347145][ T9279]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  549.347149][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347151][ T9279]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  549.347153][ T9279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  549.347156][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347159][ T9279]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  549.347162][ T9279]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  549.347165][ T9279]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  549.347169][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347171][ T9279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  549.347173][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347176][ T9279]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  549.347178][ T9279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  549.347182][ T9279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  549.347184][ T9279]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  549.347187][ T9279]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  549.347192][ T9279]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  549.347196][ T9279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  549.347199][ T9279]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  549.347201][ T9279]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  549.347204][ T9279]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  549.347209][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347211][ T9279]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  549.347214][ T9279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  549.347218][ T9279]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  549.347221][ T9279]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  549.347225][ T9279]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  549.347229][ T9279]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  549.347233][ T9279]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  549.347236][ T9279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  549.347239][ T9279]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  549.347244][ T9279]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  549.347248][ T9279]  ____sys_sendmsg (net/socket.c:2713)
[  549.347251][ T9279]  ? copy_msghdr_from_user (net/socket.c:2650)
[  549.347254][ T9279]  ? sock_write_iter (net/socket.c:1269)
[  549.347257][ T9279]  ? move_addr_to_kernel (net/socket.c:258)
[  549.347261][ T9279]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  549.347265][ T9279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  549.347269][ T9279]  ___sys_sendmsg (net/socket.c:2767)
[  549.347271][ T9279]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  549.347274][ T9279]  ? copy_msghdr_from_user (net/socket.c:2619)
[  549.347277][ T9279]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  549.347285][ T9279]  __sys_sendmsg (net/socket.c:2799)
[  549.347288][ T9279]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  549.347293][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347295][ T9279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  549.347298][ T9279]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  549.347301][ T9279]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  549.347304][ T9279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  549.347308][ T9279] RIP: 0033:0x7f5a8144f54e
[  549.347311][ T9279] 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
[  549.347315][ T9279] RSP: 002b:00007fff5b808080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  549.347319][ T9279] RAX: ffffffffffffffda RBX: 00007fff5b808848 RCX: 00007f5a8144f54e
[  549.347322][ T9279] RDX: 0000000000000000 RSI: 00007fff5b808130 RDI: 0000000000000005
[  549.347324][ T9279] RBP: 00007fff5b808090 R08: 0000000000000000 R09: 0000000000000000
[  549.347326][ T9279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91521e
[  549.347327][ T9279] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5b808800
| [  557.822433][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  557.822437][   T12] Preemption disabled at:
| [  557.822438][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  557.822452][   T12] Tainted: [W]=WARN
[  557.822453][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  557.822456][   T12] Workqueue: netns cleanup_net
[  557.822463][   T12] Call Trace:
[  557.822465][   T12]  <TASK>
[  557.822468][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  557.822475][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  557.822478][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  557.822482][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  557.822486][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  557.822490][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.822494][   T12]  __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))
[  557.822498][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  557.822503][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  557.822509][   T12]  ? 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)
[  557.822512][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  557.822516][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  557.822519][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  557.822522][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  557.822526][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  557.822533][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  557.822536][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  557.822539][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  557.822542][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.822544][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.822548][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  557.822552][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  557.822556][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.822558][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.822560][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.822562][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.822565][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  557.822568][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  557.822573][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  557.822577][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  557.822580][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.822583][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  557.822586][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.822588][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  557.822590][   T12]  ? 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)
[  557.822593][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  557.822596][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  557.822599][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  557.822602][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  557.822605][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  557.822607][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  557.822610][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  557.822614][   T12]  ? kthread (kernel/kthread.c:436)
[  557.822617][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  557.822621][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  557.822625][   T12]  _printk (kernel/printk/printk.c:2504)
[  557.822629][   T12]  ? snapshot_read.cold (user.c:?)
[  557.822633][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  557.822638][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  557.822641][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  557.822645][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  557.822649][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.822651][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  557.822654][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  557.822658][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  557.822661][   T12]  ? 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)
[  557.822664][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  557.822667][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  557.822671][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  557.822677][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  557.822680][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  557.822684][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  557.822688][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  557.822691][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  557.822696][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  557.822699][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  557.822702][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  557.822705][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  557.822708][   T12]  process_one_work (kernel/workqueue.c:3387)
[  557.822713][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  557.822716][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  557.822720][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  557.822724][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  557.822729][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  557.822732][   T12]  kthread (kernel/kthread.c:436)
[  557.822735][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  557.822738][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  557.822741][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  557.822744][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  557.822747][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  557.822751][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  557.822755][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  558.855190][ T9453] softirqs last disabled at (0): 0x0
| [  558.855193][ T9453] Preemption disabled at:
| [  558.855194][ T9453] vprintk_emit (kernel/printk/printk.c:2471)
| [  558.855208][ T9453] Tainted: [W]=WARN
[  558.855210][ T9453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  558.855212][ T9453] Call Trace:
[  558.855214][ T9453]  <TASK>
[  558.855216][ T9453]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  558.855223][ T9453]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  558.855226][ T9453]  __might_resched.cold (kernel/sched/core.c:9234)
[  558.855231][ T9453]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  558.855236][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855240][ T9453]  __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))
[  558.855244][ T9453]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  558.855248][ T9453]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  558.855254][ T9453]  ? 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)
[  558.855257][ T9453]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  558.855262][ T9453]  put_chars (drivers/char/virtio_console.c:1176)
[  558.855265][ T9453]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  558.855267][ T9453]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  558.855271][ T9453]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  558.855274][ T9453]  ? pointer (lib/vsprintf.c:2577)
[  558.855279][ T9453]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  558.855286][ T9453]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  558.855289][ T9453]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  558.855292][ T9453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  558.855296][ T9453]  console_emit_next_record (kernel/printk/printk.c:3183)
[  558.855300][ T9453]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  558.855304][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855306][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855308][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855311][ T9453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  558.855314][ T9453]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  558.855317][ T9453]  console_flush_one_record (kernel/printk/printk.c:3268)
[  558.855321][ T9453]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  558.855326][ T9453]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  558.855329][ T9453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  558.855332][ T9453]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  558.855335][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855337][ T9453]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  558.855339][ T9453]  ? 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)
[  558.855342][ T9453]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  558.855345][ T9453]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  558.855349][ T9453]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  558.855351][ T9453]  vprintk_emit (kernel/printk/printk.c:2479)
[  558.855354][ T9453]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  558.855357][ T9453]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  558.855360][ T9453]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  558.855365][ T9453]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  558.855369][ T9453]  _printk (kernel/printk/printk.c:2504)
[  558.855373][ T9453]  ? snapshot_read.cold (user.c:?)
[  558.855377][ T9453]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  558.855380][ T9453]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  558.855385][ T9453]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  558.855388][ T9453]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  558.855392][ T9453]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  558.855395][ T9453]  ? netdev_notice (net/core/dev.c:13194)
[  558.855402][ T9453]  ? 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)
[  558.855405][ T9453]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  558.855409][ T9453]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  558.855412][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855414][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855417][ T9453]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  558.855419][ T9453]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  558.855422][ T9453]  ? 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)
[  558.855425][ T9453]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  558.855427][ T9453]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  558.855431][ T9453]  ? register_netdev (net/core/dev.c:11618)
[  558.855433][ T9453]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  558.855437][ T9453]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  558.855441][ T9453]  ? __kernel_text_address (kernel/extable.c:79)
[  558.855445][ T9453]  ? write_profile (profile.c:?)
[  558.855450][ T9453]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  558.855455][ T9453]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  558.855458][ T9453]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  558.855461][ T9453]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  558.855463][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855466][ T9453]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  558.855470][ T9453]  ? kasan_save_stack (mm/kasan/common.c:58)
[  558.855473][ T9453]  ? kasan_save_stack (mm/kasan/common.c:57)
[  558.855475][ T9453]  ? kasan_save_track (mm/kasan/common.c:78)
[  558.855477][ T9453]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  558.855480][ T9453]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  558.855482][ T9453]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  558.855484][ T9453]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  558.855486][ T9453]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  558.855490][ T9453]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  558.855493][ T9453]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  558.855496][ T9453]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  558.855500][ T9453]  ? ____sys_sendmsg (net/socket.c:2713)
[  558.855502][ T9453]  ? ___sys_sendmsg (net/socket.c:2767)
[  558.855505][ T9453]  ? __sys_sendmsg (net/socket.c:2799)
[  558.855508][ T9453]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  558.855511][ T9453]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  558.855516][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855518][ T9453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  558.855520][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855522][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855525][ T9453]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  558.855528][ T9453]  ? __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)
[  558.855530][ T9453]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  558.855532][ T9453]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  558.855536][ T9453]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  558.855538][ T9453]  ? nla_get_range_signed (lib/nlattr.c:270)
[  558.855543][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855546][ T9453]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  558.855550][ T9453]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  558.855554][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855556][ T9453]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  558.855559][ T9453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  558.855561][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855564][ T9453]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  558.855568][ T9453]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  558.855570][ T9453]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  558.855573][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855575][ T9453]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  558.855580][ T9453]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  558.855583][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855586][ T9453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  558.855589][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855591][ T9453]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  558.855594][ T9453]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  558.855597][ T9453]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  558.855600][ T9453]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  558.855602][ T9453]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  558.855607][ T9453]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  558.855610][ T9453]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  558.855613][ T9453]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  558.855615][ T9453]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  558.855618][ T9453]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  558.855624][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855626][ T9453]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  558.855630][ T9453]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  558.855634][ T9453]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  558.855637][ T9453]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  558.855641][ T9453]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  558.855645][ T9453]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  558.855647][ T9453]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  558.855651][ T9453]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  558.855654][ T9453]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  558.855658][ T9453]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  558.855662][ T9453]  ____sys_sendmsg (net/socket.c:2713)
[  558.855665][ T9453]  ? copy_msghdr_from_user (net/socket.c:2650)
[  558.855667][ T9453]  ? sock_write_iter (net/socket.c:1269)
[  558.855670][ T9453]  ? move_addr_to_kernel (net/socket.c:258)
[  558.855673][ T9453]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  558.855677][ T9453]  ___sys_sendmsg (net/socket.c:2767)
[  558.855680][ T9453]  ? copy_msghdr_from_user (net/socket.c:2619)
[  558.855688][ T9453]  __sys_sendmsg (net/socket.c:2799)
[  558.855691][ T9453]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  558.855695][ T9453]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  558.855698][ T9453]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  558.855701][ T9453]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  558.855704][ T9453]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  558.855706][ T9453] RIP: 0033:0x7fb9fcc8254e
[  558.855709][ T9453] 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
[  558.855712][ T9453] RSP: 002b:00007ffc2dd45690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  558.855716][ T9453] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb9fcc8254e
[  558.855718][ T9453] RDX: 0000000000000000 RSI: 00007ffc2dd45740 RDI: 0000000000000005
[  558.855720][ T9453] RBP: 00007ffc2dd456a0 R08: 0000000000000000 R09: 0000000000000000
[  558.855721][ T9453] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915228
[  558.855723][ T9453] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2dd45e00
| [  560.570082][ T9530] softirqs last disabled at (0): 0x0
| [  560.570084][ T9530] Preemption disabled at:
| [  560.570085][ T9530] vprintk_emit (kernel/printk/printk.c:2471)
| [  560.570096][ T9530] Tainted: [W]=WARN
[  560.570098][ T9530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  560.570100][ T9530] Call Trace:
[  560.570102][ T9530]  <TASK>
[  560.570103][ T9530]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  560.570109][ T9530]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  560.570111][ T9530]  __might_resched.cold (kernel/sched/core.c:9234)
[  560.570115][ T9530]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  560.570117][ T9530]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  560.570121][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570123][ T9530]  __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))
[  560.570126][ T9530]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  560.570130][ T9530]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  560.570135][ T9530]  ? 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)
[  560.570137][ T9530]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  560.570140][ T9530]  put_chars (drivers/char/virtio_console.c:1176)
[  560.570142][ T9530]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  560.570144][ T9530]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  560.570146][ T9530]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  560.570152][ T9530]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  560.570154][ T9530]  ? vsnprintf (lib/vsprintf.c:2900)
[  560.570157][ T9530]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  560.570159][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570160][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570162][ T9530]  console_emit_next_record (kernel/printk/printk.c:3183)
[  560.570165][ T9530]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  560.570168][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570169][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570170][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570171][ T9530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.570174][ T9530]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  560.570176][ T9530]  console_flush_one_record (kernel/printk/printk.c:3268)
[  560.570178][ T9530]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  560.570182][ T9530]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  560.570184][ T9530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.570185][ T9530]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  560.570187][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570189][ T9530]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  560.570190][ T9530]  ? 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)
[  560.570192][ T9530]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  560.570194][ T9530]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  560.570196][ T9530]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  560.570197][ T9530]  vprintk_emit (kernel/printk/printk.c:2479)
[  560.570199][ T9530]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  560.570201][ T9530]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  560.570203][ T9530]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  560.570206][ T9530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.570207][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570209][ T9530]  _printk (kernel/printk/printk.c:2504)
[  560.570212][ T9530]  ? snapshot_read.cold (user.c:?)
[  560.570215][ T9530]  ? br_multicast_flood (??:?)
[  560.570218][ T9530]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  560.570221][ T9530]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  560.570223][ T9530]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  560.570225][ T9530]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  560.570228][ T9530]  br_init_port (net/bridge/br_stp_if.c:39)
[  560.570230][ T9530]  new_nbp (net/bridge/br_if.c:449)
[  560.570232][ T9530]  br_add_if (net/bridge/br_if.c:592)
[  560.570234][ T9530]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  560.570239][ T9530]  do_set_master (net/core/rtnetlink.c:3071)
[  560.570241][ T9530]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  560.570243][ T9530]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  560.570244][ T9530]  ? __dev_get_by_name (net/core/dev.c:905)
[  560.570246][ T9530]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  560.570250][ T9530]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  560.570253][ T9530]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  560.570255][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570257][ T9530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  560.570258][ T9530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.570260][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570261][ T9530]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  560.570264][ T9530]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  560.570266][ T9530]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  560.570269][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570270][ T9530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.570272][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570273][ T9530]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  560.570275][ T9530]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  560.570277][ T9530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  560.570278][ T9530]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  560.570280][ T9530]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  560.570284][ T9530]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  560.570287][ T9530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  560.570289][ T9530]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  560.570291][ T9530]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  560.570292][ T9530]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  560.570296][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570297][ T9530]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  560.570299][ T9530]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  560.570302][ T9530]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  560.570304][ T9530]  ? next_uptodate_folio (mm/filemap.c:3747)
[  560.570307][ T9530]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  560.570310][ T9530]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  560.570312][ T9530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.570314][ T9530]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  560.570318][ T9530]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  560.570321][ T9530]  ____sys_sendmsg (net/socket.c:2713)
[  560.570323][ T9530]  ? copy_msghdr_from_user (net/socket.c:2650)
[  560.570325][ T9530]  ? sock_write_iter (net/socket.c:1269)
[  560.570326][ T9530]  ? move_addr_to_kernel (net/socket.c:258)
[  560.570329][ T9530]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  560.570331][ T9530]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  560.570333][ T9530]  ___sys_sendmsg (net/socket.c:2767)
[  560.570335][ T9530]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  560.570337][ T9530]  ? copy_msghdr_from_user (net/socket.c:2619)
[  560.570339][ T9530]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  560.570344][ T9530]  __sys_sendmsg (net/socket.c:2799)
[  560.570346][ T9530]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  560.570349][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570351][ T9530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  560.570352][ T9530]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  560.570355][ T9530]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  560.570357][ T9530]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  560.570360][ T9530] RIP: 0033:0x7f369d0a454e
[  560.570362][ T9530] 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
[  560.570364][ T9530] RSP: 002b:00007ffc5719c780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  560.570368][ T9530] RAX: ffffffffffffffda RBX: 00007ffc5719cf48 RCX: 00007f369d0a454e
[  560.570370][ T9530] RDX: 0000000000000000 RSI: 00007ffc5719c830 RDI: 0000000000000005
[  560.570371][ T9530] RBP: 00007ffc5719c790 R08: 0000000000000000 R09: 0000000000000000
[  560.570372][ T9530] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915229
[  560.570373][ T9530] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5719cf00
| [  561.576760][ T9567] softirqs last disabled at (0): 0x0
| [  561.576762][ T9567] Preemption disabled at:
| [  561.576763][ T9567] vprintk_emit (kernel/printk/printk.c:2471)
| [  561.576774][ T9567] Tainted: [W]=WARN
[  561.576775][ T9567] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  561.576777][ T9567] Call Trace:
[  561.576779][ T9567]  <TASK>
[  561.576780][ T9567]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  561.576786][ T9567]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  561.576787][ T9567]  __might_resched.cold (kernel/sched/core.c:9234)
[  561.576791][ T9567]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  561.576795][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.576797][ T9567]  __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))
[  561.576801][ T9567]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  561.576804][ T9567]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  561.576809][ T9567]  ? 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)
[  561.576811][ T9567]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  561.576814][ T9567]  put_chars (drivers/char/virtio_console.c:1176)
[  561.576816][ T9567]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  561.576817][ T9567]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  561.576820][ T9567]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  561.576822][ T9567]  ? pointer (lib/vsprintf.c:2577)
[  561.576826][ T9567]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  561.576831][ T9567]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  561.576832][ T9567]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  561.576835][ T9567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.576837][ T9567]  console_emit_next_record (kernel/printk/printk.c:3183)
[  561.576840][ T9567]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  561.576843][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.576844][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.576845][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.576846][ T9567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.576848][ T9567]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  561.576850][ T9567]  console_flush_one_record (kernel/printk/printk.c:3268)
[  561.576853][ T9567]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  561.576856][ T9567]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  561.576858][ T9567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.576859][ T9567]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  561.576861][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.576862][ T9567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  561.576864][ T9567]  ? 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)
[  561.576866][ T9567]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  561.576867][ T9567]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  561.576870][ T9567]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  561.576871][ T9567]  vprintk_emit (kernel/printk/printk.c:2479)
[  561.576873][ T9567]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  561.576874][ T9567]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  561.576877][ T9567]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  561.576880][ T9567]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  561.576883][ T9567]  _printk (kernel/printk/printk.c:2504)
[  561.576886][ T9567]  ? snapshot_read.cold (user.c:?)
[  561.576888][ T9567]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  561.576891][ T9567]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  561.576894][ T9567]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  561.576896][ T9567]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  561.576899][ T9567]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  561.576902][ T9567]  ? netdev_notice (net/core/dev.c:13194)
[  561.576904][ T9567]  ? 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)
[  561.576906][ T9567]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  561.576909][ T9567]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  561.576910][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.576912][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.576913][ T9567]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  561.576914][ T9567]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  561.576916][ T9567]  ? 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)
[  561.576917][ T9567]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  561.576919][ T9567]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  561.576921][ T9567]  ? register_netdev (net/core/dev.c:11618)
[  561.576922][ T9567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  561.576924][ T9567]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  561.576927][ T9567]  ? __kernel_text_address (kernel/extable.c:79)
[  561.576930][ T9567]  ? write_profile (profile.c:?)
[  561.576933][ T9567]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  561.576937][ T9567]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  561.576939][ T9567]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  561.576941][ T9567]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  561.576942][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.576943][ T9567]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  561.576947][ T9567]  ? kasan_save_stack (mm/kasan/common.c:58)
[  561.576949][ T9567]  ? kasan_save_stack (mm/kasan/common.c:57)
[  561.576950][ T9567]  ? kasan_save_track (mm/kasan/common.c:78)
[  561.576951][ T9567]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  561.576952][ T9567]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  561.576954][ T9567]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  561.576955][ T9567]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  561.576956][ T9567]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  561.576959][ T9567]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  561.576961][ T9567]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  561.576962][ T9567]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  561.576965][ T9567]  ? ____sys_sendmsg (net/socket.c:2713)
[  561.576966][ T9567]  ? ___sys_sendmsg (net/socket.c:2767)
[  561.576974][ T9567]  ? __sys_sendmsg (net/socket.c:2799)
[  561.576977][ T9567]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  561.576981][ T9567]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  561.576986][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.576988][ T9567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.576990][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.576991][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.576992][ T9567]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  561.576994][ T9567]  ? __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)
[  561.576995][ T9567]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  561.576997][ T9567]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  561.576998][ T9567]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  561.577000][ T9567]  ? nla_get_range_signed (lib/nlattr.c:270)
[  561.577003][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.577005][ T9567]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  561.577007][ T9567]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  561.577009][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.577011][ T9567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  561.577012][ T9567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.577013][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.577015][ T9567]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  561.577018][ T9567]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  561.577019][ T9567]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  561.577021][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.577022][ T9567]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  561.577026][ T9567]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  561.577028][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.577029][ T9567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.577031][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.577032][ T9567]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  561.577034][ T9567]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  561.577036][ T9567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  561.577037][ T9567]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  561.577039][ T9567]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  561.577041][ T9567]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  561.577043][ T9567]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  561.577045][ T9567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  561.577047][ T9567]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  561.577048][ T9567]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  561.577052][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.577053][ T9567]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  561.577055][ T9567]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  561.577058][ T9567]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  561.577060][ T9567]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  561.577062][ T9567]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  561.577064][ T9567]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  561.577066][ T9567]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  561.577068][ T9567]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  561.577070][ T9567]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  561.577073][ T9567]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  561.577075][ T9567]  ____sys_sendmsg (net/socket.c:2713)
[  561.577077][ T9567]  ? copy_msghdr_from_user (net/socket.c:2650)
[  561.577079][ T9567]  ? sock_write_iter (net/socket.c:1269)
[  561.577080][ T9567]  ? move_addr_to_kernel (net/socket.c:258)
[  561.577082][ T9567]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  561.577085][ T9567]  ___sys_sendmsg (net/socket.c:2767)
[  561.577087][ T9567]  ? copy_msghdr_from_user (net/socket.c:2619)
[  561.577092][ T9567]  __sys_sendmsg (net/socket.c:2799)
[  561.577094][ T9567]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  561.577097][ T9567]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  561.577099][ T9567]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  561.577101][ T9567]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  561.577103][ T9567]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  561.577105][ T9567] RIP: 0033:0x7ff60905954e
[  561.577107][ T9567] 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
[  561.577109][ T9567] RSP: 002b:00007ffcee56f6d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  561.577113][ T9567] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff60905954e
[  561.577114][ T9567] RDX: 0000000000000000 RSI: 00007ffcee56f780 RDI: 0000000000000005
[  561.577115][ T9567] RBP: 00007ffcee56f6e0 R08: 0000000000000000 R09: 0000000000000000
[  561.577116][ T9567] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91522a
[  561.577117][ T9567] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcee56fe40
| [  563.225632][ T9626] softirqs last disabled at (0): 0x0
| [  563.225635][ T9626] Preemption disabled at:
| [  563.225636][ T9626] vprintk_emit (kernel/printk/printk.c:2471)
| [  563.225646][ T9626] Tainted: [W]=WARN
[  563.225647][ T9626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  563.225650][ T9626] Call Trace:
[  563.225651][ T9626]  <TASK>
[  563.225653][ T9626]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  563.225659][ T9626]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  563.225660][ T9626]  __might_resched.cold (kernel/sched/core.c:9234)
[  563.225664][ T9626]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  563.225667][ T9626]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  563.225670][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225673][ T9626]  __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))
[  563.225676][ T9626]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  563.225679][ T9626]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.225685][ T9626]  ? 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)
[  563.225687][ T9626]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  563.225690][ T9626]  put_chars (drivers/char/virtio_console.c:1176)
[  563.225691][ T9626]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  563.225693][ T9626]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  563.225696][ T9626]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  563.225701][ T9626]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  563.225703][ T9626]  ? vsnprintf (lib/vsprintf.c:2900)
[  563.225707][ T9626]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  563.225709][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225710][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225712][ T9626]  console_emit_next_record (kernel/printk/printk.c:3183)
[  563.225715][ T9626]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  563.225717][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225718][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225719][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225720][ T9626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.225723][ T9626]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  563.225725][ T9626]  console_flush_one_record (kernel/printk/printk.c:3268)
[  563.225728][ T9626]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  563.225731][ T9626]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  563.225733][ T9626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.225735][ T9626]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  563.225736][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225738][ T9626]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  563.225739][ T9626]  ? 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)
[  563.225741][ T9626]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  563.225743][ T9626]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  563.225745][ T9626]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  563.225747][ T9626]  vprintk_emit (kernel/printk/printk.c:2479)
[  563.225748][ T9626]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  563.225750][ T9626]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  563.225752][ T9626]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  563.225755][ T9626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.225756][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225758][ T9626]  _printk (kernel/printk/printk.c:2504)
[  563.225761][ T9626]  ? snapshot_read.cold (user.c:?)
[  563.225763][ T9626]  ? br_multicast_flood (??:?)
[  563.225767][ T9626]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  563.225770][ T9626]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  563.225771][ T9626]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  563.225773][ T9626]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  563.225777][ T9626]  br_init_port (net/bridge/br_stp_if.c:39)
[  563.225778][ T9626]  new_nbp (net/bridge/br_if.c:449)
[  563.225781][ T9626]  br_add_if (net/bridge/br_if.c:592)
[  563.225783][ T9626]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  563.225787][ T9626]  do_set_master (net/core/rtnetlink.c:3071)
[  563.225789][ T9626]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  563.225791][ T9626]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  563.225793][ T9626]  ? __dev_get_by_name (net/core/dev.c:905)
[  563.225795][ T9626]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  563.225799][ T9626]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  563.225802][ T9626]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  563.225804][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225805][ T9626]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.225807][ T9626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.225808][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225810][ T9626]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  563.225813][ T9626]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  563.225815][ T9626]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  563.225818][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225819][ T9626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.225820][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225822][ T9626]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  563.225823][ T9626]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  563.225825][ T9626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.225827][ T9626]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  563.225828][ T9626]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  563.225832][ T9626]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  563.225836][ T9626]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  563.225837][ T9626]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  563.225839][ T9626]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  563.225841][ T9626]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  563.225844][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225845][ T9626]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  563.225847][ T9626]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  563.225850][ T9626]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  563.225852][ T9626]  ? next_uptodate_folio (mm/filemap.c:3747)
[  563.225855][ T9626]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  563.225857][ T9626]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  563.225860][ T9626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.225861][ T9626]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  563.225865][ T9626]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  563.225868][ T9626]  ____sys_sendmsg (net/socket.c:2713)
[  563.225870][ T9626]  ? copy_msghdr_from_user (net/socket.c:2650)
[  563.225872][ T9626]  ? sock_write_iter (net/socket.c:1269)
[  563.225873][ T9626]  ? move_addr_to_kernel (net/socket.c:258)
[  563.225876][ T9626]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  563.225878][ T9626]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  563.225881][ T9626]  ___sys_sendmsg (net/socket.c:2767)
[  563.225882][ T9626]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  563.225884][ T9626]  ? copy_msghdr_from_user (net/socket.c:2619)
[  563.225886][ T9626]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  563.225891][ T9626]  __sys_sendmsg (net/socket.c:2799)
[  563.225893][ T9626]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  563.225896][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225897][ T9626]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  563.225899][ T9626]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  563.225902][ T9626]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  563.225904][ T9626]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  563.225906][ T9626] RIP: 0033:0x7f69f097b54e
[  563.225909][ T9626] 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
[  563.225911][ T9626] RSP: 002b:00007ffedfd38520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  563.225914][ T9626] RAX: ffffffffffffffda RBX: 00007ffedfd38ce8 RCX: 00007f69f097b54e
[  563.225916][ T9626] RDX: 0000000000000000 RSI: 00007ffedfd385d0 RDI: 0000000000000005
[  563.225917][ T9626] RBP: 00007ffedfd38530 R08: 0000000000000000 R09: 0000000000000000
[  563.225918][ T9626] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91522c
[  563.225919][ T9626] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedfd38ca0
| [  571.907754][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  571.907758][   T12] Preemption disabled at:
| [  571.907760][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  571.907774][   T12] Tainted: [W]=WARN
[  571.907775][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  571.907778][   T12] Workqueue: netns cleanup_net
[  571.907786][   T12] Call Trace:
[  571.907787][   T12]  <TASK>
[  571.907790][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  571.907797][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  571.907799][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  571.907804][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  571.907807][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  571.907812][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.907815][   T12]  __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))
[  571.907819][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  571.907824][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  571.907830][   T12]  ? 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)
[  571.907833][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  571.907837][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  571.907840][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  571.907843][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  571.907848][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  571.907855][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  571.907858][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  571.907862][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  571.907865][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.907867][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.907871][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  571.907875][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  571.907879][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.907881][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.907883][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.907885][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.907889][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  571.907892][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  571.907896][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  571.907901][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  571.907904][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.907907][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  571.907910][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.907912][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  571.907914][   T12]  ? 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)
[  571.907917][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  571.907920][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  571.907923][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  571.907926][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  571.907929][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  571.907931][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  571.907934][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  571.907938][   T12]  ? kthread (kernel/kthread.c:436)
[  571.907942][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  571.907946][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  571.907950][   T12]  _printk (kernel/printk/printk.c:2504)
[  571.907954][   T12]  ? snapshot_read.cold (user.c:?)
[  571.907958][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  571.907963][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  571.907967][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  571.907970][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  571.907974][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.907976][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  571.907979][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  571.907984][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  571.907987][   T12]  ? 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)
[  571.907990][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  571.907994][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  571.907999][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  571.908005][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  571.908008][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  571.908013][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  571.908017][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  571.908020][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  571.908025][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  571.908034][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  571.908038][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  571.908041][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  571.908044][   T12]  process_one_work (kernel/workqueue.c:3387)
[  571.908050][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  571.908053][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[  571.908057][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  571.908061][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  571.908067][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  571.908070][   T12]  kthread (kernel/kthread.c:436)
[  571.908073][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  571.908076][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  571.908080][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  571.908083][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  571.908087][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  571.908091][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  571.908094][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  572.918475][ T9800] softirqs last disabled at (0): 0x0
| [  572.918477][ T9800] Preemption disabled at:
| [  572.918477][ T9800] vprintk_emit (kernel/printk/printk.c:2471)
| [  572.918488][ T9800] Tainted: [W]=WARN
[  572.918489][ T9800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  572.918492][ T9800] Call Trace:
[  572.918493][ T9800]  <TASK>
[  572.918495][ T9800]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  572.918501][ T9800]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  572.918502][ T9800]  __might_resched.cold (kernel/sched/core.c:9234)
[  572.918506][ T9800]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  572.918510][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918513][ T9800]  __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))
[  572.918516][ T9800]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  572.918519][ T9800]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.918524][ T9800]  ? 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)
[  572.918526][ T9800]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  572.918529][ T9800]  put_chars (drivers/char/virtio_console.c:1176)
[  572.918531][ T9800]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  572.918532][ T9800]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  572.918535][ T9800]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  572.918538][ T9800]  ? pointer (lib/vsprintf.c:2577)
[  572.918542][ T9800]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  572.918547][ T9800]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  572.918548][ T9800]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  572.918550][ T9800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.918553][ T9800]  console_emit_next_record (kernel/printk/printk.c:3183)
[  572.918556][ T9800]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  572.918558][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918560][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918561][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918562][ T9800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.918564][ T9800]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  572.918566][ T9800]  console_flush_one_record (kernel/printk/printk.c:3268)
[  572.918569][ T9800]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  572.918572][ T9800]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  572.918574][ T9800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.918576][ T9800]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  572.918577][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918579][ T9800]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  572.918580][ T9800]  ? 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)
[  572.918582][ T9800]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  572.918583][ T9800]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  572.918586][ T9800]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  572.918587][ T9800]  vprintk_emit (kernel/printk/printk.c:2479)
[  572.918589][ T9800]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  572.918590][ T9800]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  572.918593][ T9800]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  572.918596][ T9800]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  572.918599][ T9800]  _printk (kernel/printk/printk.c:2504)
[  572.918602][ T9800]  ? snapshot_read.cold (user.c:?)
[  572.918604][ T9800]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  572.918606][ T9800]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  572.918610][ T9800]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  572.918612][ T9800]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  572.918615][ T9800]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  572.918618][ T9800]  ? netdev_notice (net/core/dev.c:13194)
[  572.918620][ T9800]  ? 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)
[  572.918622][ T9800]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  572.918624][ T9800]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  572.918626][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918627][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918629][ T9800]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  572.918630][ T9800]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  572.918632][ T9800]  ? 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)
[  572.918633][ T9800]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  572.918635][ T9800]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  572.918636][ T9800]  ? register_netdev (net/core/dev.c:11618)
[  572.918638][ T9800]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  572.918640][ T9800]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  572.918643][ T9800]  ? __kernel_text_address (kernel/extable.c:79)
[  572.918646][ T9800]  ? write_profile (profile.c:?)
[  572.918649][ T9800]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  572.918653][ T9800]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  572.918655][ T9800]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  572.918657][ T9800]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  572.918658][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918659][ T9800]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  572.918663][ T9800]  ? kasan_save_stack (mm/kasan/common.c:58)
[  572.918665][ T9800]  ? kasan_save_stack (mm/kasan/common.c:57)
[  572.918666][ T9800]  ? kasan_save_track (mm/kasan/common.c:78)
[  572.918667][ T9800]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  572.918668][ T9800]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  572.918670][ T9800]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  572.918671][ T9800]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  572.918673][ T9800]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  572.918676][ T9800]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  572.918677][ T9800]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  572.918679][ T9800]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  572.918682][ T9800]  ? ____sys_sendmsg (net/socket.c:2713)
[  572.918683][ T9800]  ? ___sys_sendmsg (net/socket.c:2767)
[  572.918685][ T9800]  ? __sys_sendmsg (net/socket.c:2799)
[  572.918686][ T9800]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  572.918689][ T9800]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  572.918691][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918693][ T9800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.918694][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918695][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918697][ T9800]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  572.918698][ T9800]  ? __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)
[  572.918699][ T9800]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  572.918701][ T9800]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  572.918702][ T9800]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  572.918704][ T9800]  ? nla_get_range_signed (lib/nlattr.c:270)
[  572.918707][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918708][ T9800]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  572.918711][ T9800]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  572.918713][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918714][ T9800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.918715][ T9800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.918717][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918719][ T9800]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  572.918721][ T9800]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  572.918722][ T9800]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  572.918724][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918725][ T9800]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  572.918729][ T9800]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  572.918731][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918732][ T9800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.918734][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918735][ T9800]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  572.918737][ T9800]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  572.918739][ T9800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  572.918740][ T9800]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  572.918742][ T9800]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  572.918744][ T9800]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  572.918746][ T9800]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  572.918748][ T9800]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  572.918749][ T9800]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  572.918751][ T9800]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  572.918754][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918756][ T9800]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  572.918758][ T9800]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  572.918760][ T9800]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  572.918762][ T9800]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  572.918765][ T9800]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  572.918767][ T9800]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  572.918769][ T9800]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  572.918770][ T9800]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  572.918772][ T9800]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  572.918775][ T9800]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  572.918777][ T9800]  ____sys_sendmsg (net/socket.c:2713)
[  572.918779][ T9800]  ? copy_msghdr_from_user (net/socket.c:2650)
[  572.918781][ T9800]  ? sock_write_iter (net/socket.c:1269)
[  572.918783][ T9800]  ? move_addr_to_kernel (net/socket.c:258)
[  572.918784][ T9800]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  572.918787][ T9800]  ___sys_sendmsg (net/socket.c:2767)
[  572.918789][ T9800]  ? copy_msghdr_from_user (net/socket.c:2619)
[  572.918794][ T9800]  __sys_sendmsg (net/socket.c:2799)
[  572.918796][ T9800]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  572.918799][ T9800]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  572.918801][ T9800]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  572.918803][ T9800]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  572.918805][ T9800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  572.918807][ T9800] RIP: 0033:0x7f1f3afd954e
[  572.918809][ T9800] 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
[  572.918811][ T9800] RSP: 002b:00007fff07f0fc30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  572.918815][ T9800] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1f3afd954e
[  572.918817][ T9800] RDX: 0000000000000000 RSI: 00007fff07f0fce0 RDI: 0000000000000005
[  572.918818][ T9800] RBP: 00007fff07f0fc40 R08: 0000000000000000 R09: 0000000000000000
[  572.918819][ T9800] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915236
[  572.918820][ T9800] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff07f103a0
| [  574.630676][ T9875] softirqs last disabled at (0): 0x0
| [  574.630678][ T9875] Preemption disabled at:
| [  574.630679][ T9875] vprintk_emit (kernel/printk/printk.c:2471)
| [  574.630690][ T9875] Tainted: [W]=WARN
[  574.630691][ T9875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  574.630693][ T9875] Call Trace:
[  574.630695][ T9875]  <TASK>
[  574.630697][ T9875]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  574.630702][ T9875]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  574.630704][ T9875]  __might_resched.cold (kernel/sched/core.c:9234)
[  574.630708][ T9875]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  574.630710][ T9875]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  574.630714][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630717][ T9875]  __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))
[  574.630719][ T9875]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  574.630722][ T9875]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  574.630728][ T9875]  ? 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)
[  574.630730][ T9875]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  574.630733][ T9875]  put_chars (drivers/char/virtio_console.c:1176)
[  574.630735][ T9875]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  574.630737][ T9875]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  574.630739][ T9875]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  574.630745][ T9875]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  574.630746][ T9875]  ? vsnprintf (lib/vsprintf.c:2900)
[  574.630750][ T9875]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  574.630752][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630753][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630755][ T9875]  console_emit_next_record (kernel/printk/printk.c:3183)
[  574.630758][ T9875]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  574.630760][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630761][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630763][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630764][ T9875]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.630766][ T9875]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  574.630769][ T9875]  console_flush_one_record (kernel/printk/printk.c:3268)
[  574.630771][ T9875]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  574.630774][ T9875]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  574.630776][ T9875]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.630778][ T9875]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  574.630780][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630781][ T9875]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  574.630783][ T9875]  ? 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)
[  574.630785][ T9875]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  574.630786][ T9875]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  574.630789][ T9875]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  574.630790][ T9875]  vprintk_emit (kernel/printk/printk.c:2479)
[  574.630792][ T9875]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  574.630793][ T9875]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  574.630795][ T9875]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  574.630799][ T9875]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.630800][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630802][ T9875]  _printk (kernel/printk/printk.c:2504)
[  574.630805][ T9875]  ? snapshot_read.cold (user.c:?)
[  574.630807][ T9875]  ? br_multicast_flood (??:?)
[  574.630811][ T9875]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  574.630814][ T9875]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  574.630815][ T9875]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  574.630817][ T9875]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  574.630820][ T9875]  br_init_port (net/bridge/br_stp_if.c:39)
[  574.630822][ T9875]  new_nbp (net/bridge/br_if.c:449)
[  574.630824][ T9875]  br_add_if (net/bridge/br_if.c:592)
[  574.630826][ T9875]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  574.630831][ T9875]  do_set_master (net/core/rtnetlink.c:3071)
[  574.630833][ T9875]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  574.630835][ T9875]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  574.630836][ T9875]  ? __dev_get_by_name (net/core/dev.c:905)
[  574.630838][ T9875]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  574.630843][ T9875]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  574.630846][ T9875]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  574.630848][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630849][ T9875]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  574.630851][ T9875]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.630852][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630854][ T9875]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  574.630857][ T9875]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  574.630859][ T9875]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  574.630862][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630863][ T9875]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.630865][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630866][ T9875]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  574.630867][ T9875]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  574.630869][ T9875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  574.630871][ T9875]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  574.630873][ T9875]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  574.630877][ T9875]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  574.630880][ T9875]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  574.630881][ T9875]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  574.630883][ T9875]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  574.630885][ T9875]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  574.630888][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630889][ T9875]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  574.630892][ T9875]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  574.630894][ T9875]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  574.630896][ T9875]  ? next_uptodate_folio (mm/filemap.c:3747)
[  574.630899][ T9875]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  574.630902][ T9875]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  574.630904][ T9875]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.630906][ T9875]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  574.630909][ T9875]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  574.630912][ T9875]  ____sys_sendmsg (net/socket.c:2713)
[  574.630914][ T9875]  ? copy_msghdr_from_user (net/socket.c:2650)
[  574.630916][ T9875]  ? sock_write_iter (net/socket.c:1269)
[  574.630918][ T9875]  ? move_addr_to_kernel (net/socket.c:258)
[  574.630920][ T9875]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  574.630923][ T9875]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  574.630925][ T9875]  ___sys_sendmsg (net/socket.c:2767)
[  574.630927][ T9875]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  574.630929][ T9875]  ? copy_msghdr_from_user (net/socket.c:2619)
[  574.630931][ T9875]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  574.630936][ T9875]  __sys_sendmsg (net/socket.c:2799)
[  574.630938][ T9875]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  574.630941][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630942][ T9875]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  574.630944][ T9875]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  574.630947][ T9875]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  574.630949][ T9875]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  574.630951][ T9875] RIP: 0033:0x7f31f237c54e
[  574.630953][ T9875] 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
[  574.630955][ T9875] RSP: 002b:00007ffd3c054f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  574.630959][ T9875] RAX: ffffffffffffffda RBX: 00007ffd3c055728 RCX: 00007f31f237c54e
[  574.630961][ T9875] RDX: 0000000000000000 RSI: 00007ffd3c055010 RDI: 0000000000000005
[  574.630962][ T9875] RBP: 00007ffd3c054f70 R08: 0000000000000000 R09: 0000000000000000
[  574.630963][ T9875] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915237
[  574.630964][ T9875] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3c0556e0
| [  575.651472][ T9914] softirqs last disabled at (0): 0x0
| [  575.651474][ T9914] Preemption disabled at:
| [  575.651474][ T9914] vprintk_emit (kernel/printk/printk.c:2471)
| [  575.651486][ T9914] Tainted: [W]=WARN
[  575.651487][ T9914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  575.651489][ T9914] Call Trace:
[  575.651491][ T9914]  <TASK>
[  575.651492][ T9914]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  575.651498][ T9914]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  575.651499][ T9914]  __might_resched.cold (kernel/sched/core.c:9234)
[  575.651503][ T9914]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  575.651507][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651510][ T9914]  __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))
[  575.651513][ T9914]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.651516][ T9914]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  575.651521][ T9914]  ? 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)
[  575.651523][ T9914]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  575.651527][ T9914]  put_chars (drivers/char/virtio_console.c:1176)
[  575.651528][ T9914]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  575.651530][ T9914]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  575.651532][ T9914]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  575.651535][ T9914]  ? pointer (lib/vsprintf.c:2577)
[  575.651539][ T9914]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  575.651544][ T9914]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  575.651546][ T9914]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.651548][ T9914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.651551][ T9914]  console_emit_next_record (kernel/printk/printk.c:3183)
[  575.651554][ T9914]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  575.651556][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651557][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651558][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651559][ T9914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.651562][ T9914]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  575.651564][ T9914]  console_flush_one_record (kernel/printk/printk.c:3268)
[  575.651566][ T9914]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  575.651569][ T9914]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  575.651571][ T9914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.651573][ T9914]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  575.651575][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651576][ T9914]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.651578][ T9914]  ? 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)
[  575.651579][ T9914]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  575.651581][ T9914]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  575.651583][ T9914]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  575.651585][ T9914]  vprintk_emit (kernel/printk/printk.c:2479)
[  575.651587][ T9914]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  575.651588][ T9914]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  575.651591][ T9914]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  575.651594][ T9914]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  575.651597][ T9914]  _printk (kernel/printk/printk.c:2504)
[  575.651600][ T9914]  ? snapshot_read.cold (user.c:?)
[  575.651602][ T9914]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  575.651605][ T9914]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  575.651609][ T9914]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  575.651611][ T9914]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  575.651614][ T9914]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  575.651616][ T9914]  ? netdev_notice (net/core/dev.c:13194)
[  575.651619][ T9914]  ? 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)
[  575.651621][ T9914]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  575.651624][ T9914]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  575.651625][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651627][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651628][ T9914]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  575.651629][ T9914]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  575.651631][ T9914]  ? 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)
[  575.651632][ T9914]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  575.651634][ T9914]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  575.651636][ T9914]  ? register_netdev (net/core/dev.c:11618)
[  575.651637][ T9914]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.651640][ T9914]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  575.651643][ T9914]  ? __kernel_text_address (kernel/extable.c:79)
[  575.651645][ T9914]  ? write_profile (profile.c:?)
[  575.651648][ T9914]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  575.651652][ T9914]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  575.651654][ T9914]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  575.651656][ T9914]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  575.651657][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651659][ T9914]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  575.651662][ T9914]  ? kasan_save_stack (mm/kasan/common.c:58)
[  575.651664][ T9914]  ? kasan_save_stack (mm/kasan/common.c:57)
[  575.651665][ T9914]  ? kasan_save_track (mm/kasan/common.c:78)
[  575.651667][ T9914]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  575.651668][ T9914]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  575.651670][ T9914]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  575.651671][ T9914]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  575.651672][ T9914]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  575.651675][ T9914]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  575.651677][ T9914]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  575.651679][ T9914]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  575.651681][ T9914]  ? ____sys_sendmsg (net/socket.c:2713)
[  575.651683][ T9914]  ? ___sys_sendmsg (net/socket.c:2767)
[  575.651684][ T9914]  ? __sys_sendmsg (net/socket.c:2799)
[  575.651686][ T9914]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  575.651689][ T9914]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  575.651691][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651693][ T9914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.651694][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651695][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651697][ T9914]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  575.651699][ T9914]  ? __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)
[  575.651700][ T9914]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  575.651701][ T9914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  575.651703][ T9914]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  575.651704][ T9914]  ? nla_get_range_signed (lib/nlattr.c:270)
[  575.651708][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651709][ T9914]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  575.651712][ T9914]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  575.651714][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651715][ T9914]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  575.651717][ T9914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.651718][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651720][ T9914]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  575.651723][ T9914]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  575.651724][ T9914]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  575.651726][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651727][ T9914]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  575.651730][ T9914]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  575.651733][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651734][ T9914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.651736][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651737][ T9914]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  575.651739][ T9914]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  575.651741][ T9914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  575.651742][ T9914]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  575.651744][ T9914]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  575.651747][ T9914]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  575.651749][ T9914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  575.651750][ T9914]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.651752][ T9914]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  575.651754][ T9914]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  575.651757][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651758][ T9914]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  575.651761][ T9914]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  575.651763][ T9914]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  575.651765][ T9914]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  575.651767][ T9914]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  575.651770][ T9914]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  575.651771][ T9914]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  575.651773][ T9914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  575.651775][ T9914]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  575.651779][ T9914]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  575.651781][ T9914]  ____sys_sendmsg (net/socket.c:2713)
[  575.651782][ T9914]  ? copy_msghdr_from_user (net/socket.c:2650)
[  575.651784][ T9914]  ? sock_write_iter (net/socket.c:1269)
[  575.651786][ T9914]  ? move_addr_to_kernel (net/socket.c:258)
[  575.651788][ T9914]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  575.651791][ T9914]  ___sys_sendmsg (net/socket.c:2767)
[  575.651793][ T9914]  ? copy_msghdr_from_user (net/socket.c:2619)
[  575.651798][ T9914]  __sys_sendmsg (net/socket.c:2799)
[  575.651800][ T9914]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  575.651803][ T9914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  575.651805][ T9914]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  575.651807][ T9914]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  575.651809][ T9914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  575.651811][ T9914] RIP: 0033:0x7fb702ec754e
[  575.651813][ T9914] 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
[  575.651815][ T9914] RSP: 002b:00007ffe8f871e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  575.651819][ T9914] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb702ec754e
[  575.651821][ T9914] RDX: 0000000000000000 RSI: 00007ffe8f871f40 RDI: 0000000000000005
[  575.651822][ T9914] RBP: 00007ffe8f871ea0 R08: 0000000000000000 R09: 0000000000000000
[  575.651823][ T9914] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915238
[  575.651824][ T9914] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8f872600
| [  577.127947][ T9964] softirqs last disabled at (0): 0x0
| [  577.127950][ T9964] Preemption disabled at:
| [  577.127951][ T9964] vprintk_emit (kernel/printk/printk.c:2471)
| [  577.127962][ T9964] Tainted: [W]=WARN
[  577.127963][ T9964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  577.127964][ T9964] Call Trace:
[  577.127966][ T9964]  <TASK>
[  577.127968][ T9964]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  577.127974][ T9964]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  577.127975][ T9964]  __might_resched.cold (kernel/sched/core.c:9234)
[  577.127981][ T9964]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  577.127985][ T9964]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  577.127990][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.127994][ T9964]  __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))
[  577.127997][ T9964]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  577.128000][ T9964]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  577.128005][ T9964]  ? 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)
[  577.128007][ T9964]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  577.128010][ T9964]  put_chars (drivers/char/virtio_console.c:1176)
[  577.128012][ T9964]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  577.128014][ T9964]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  577.128017][ T9964]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  577.128022][ T9964]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  577.128024][ T9964]  ? vsnprintf (lib/vsprintf.c:2900)
[  577.128027][ T9964]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  577.128029][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128030][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128032][ T9964]  console_emit_next_record (kernel/printk/printk.c:3183)
[  577.128035][ T9964]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  577.128037][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128039][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128040][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128041][ T9964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.128044][ T9964]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  577.128045][ T9964]  console_flush_one_record (kernel/printk/printk.c:3268)
[  577.128048][ T9964]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  577.128051][ T9964]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  577.128053][ T9964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.128060][ T9964]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  577.128062][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128063][ T9964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  577.128064][ T9964]  ? 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)
[  577.128066][ T9964]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  577.128068][ T9964]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  577.128070][ T9964]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  577.128072][ T9964]  vprintk_emit (kernel/printk/printk.c:2479)
[  577.128074][ T9964]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  577.128075][ T9964]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  577.128077][ T9964]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  577.128080][ T9964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.128082][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128083][ T9964]  _printk (kernel/printk/printk.c:2504)
[  577.128086][ T9964]  ? snapshot_read.cold (user.c:?)
[  577.128089][ T9964]  ? br_multicast_flood (??:?)
[  577.128092][ T9964]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  577.128095][ T9964]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  577.128097][ T9964]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  577.128099][ T9964]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  577.128101][ T9964]  br_init_port (net/bridge/br_stp_if.c:39)
[  577.128103][ T9964]  new_nbp (net/bridge/br_if.c:449)
[  577.128106][ T9964]  br_add_if (net/bridge/br_if.c:592)
[  577.128108][ T9964]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  577.128112][ T9964]  do_set_master (net/core/rtnetlink.c:3071)
[  577.128114][ T9964]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  577.128116][ T9964]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  577.128118][ T9964]  ? __dev_get_by_name (net/core/dev.c:905)
[  577.128120][ T9964]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  577.128124][ T9964]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  577.128126][ T9964]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  577.128129][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128130][ T9964]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.128131][ T9964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.128133][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128135][ T9964]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  577.128138][ T9964]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  577.128139][ T9964]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  577.128142][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128144][ T9964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.128145][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128147][ T9964]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  577.128148][ T9964]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  577.128150][ T9964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  577.128152][ T9964]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  577.128153][ T9964]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  577.128157][ T9964]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  577.128160][ T9964]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  577.128162][ T9964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  577.128163][ T9964]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  577.128165][ T9964]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  577.128168][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128170][ T9964]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  577.128172][ T9964]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  577.128174][ T9964]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  577.128176][ T9964]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  577.128179][ T9964]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  577.128182][ T9964]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  577.128185][ T9964]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  577.128187][ T9964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.128189][ T9964]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  577.128192][ T9964]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  577.128195][ T9964]  ____sys_sendmsg (net/socket.c:2713)
[  577.128197][ T9964]  ? copy_msghdr_from_user (net/socket.c:2650)
[  577.128199][ T9964]  ? sock_write_iter (net/socket.c:1269)
[  577.128201][ T9964]  ? move_addr_to_kernel (net/socket.c:258)
[  577.128203][ T9964]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  577.128206][ T9964]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  577.128208][ T9964]  ___sys_sendmsg (net/socket.c:2767)
[  577.128210][ T9964]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  577.128212][ T9964]  ? copy_msghdr_from_user (net/socket.c:2619)
[  577.128213][ T9964]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  577.128218][ T9964]  __sys_sendmsg (net/socket.c:2799)
[  577.128220][ T9964]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  577.128223][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128225][ T9964]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  577.128226][ T9964]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  577.128229][ T9964]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  577.128231][ T9964]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  577.128233][ T9964] RIP: 0033:0x7f76b691754e
[  577.128235][ T9964] 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
[  577.128238][ T9964] RSP: 002b:00007ffc0a0e7d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  577.128241][ T9964] RAX: ffffffffffffffda RBX: 00007ffc0a0e8548 RCX: 00007f76b691754e
[  577.128243][ T9964] RDX: 0000000000000000 RSI: 00007ffc0a0e7e30 RDI: 0000000000000005
[  577.128244][ T9964] RBP: 00007ffc0a0e7d90 R08: 0000000000000000 R09: 0000000000000000
[  577.128245][ T9964] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91523a
[  577.128246][ T9964] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0a0e8500
| [  584.338185][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  584.338189][   T12] Preemption disabled at:
| [  584.338190][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  584.338204][   T12] Tainted: [W]=WARN
[  584.338206][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  584.338209][   T12] Workqueue: netns cleanup_net
[  584.338216][   T12] Call Trace:
[  584.338218][   T12]  <TASK>
[  584.338221][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  584.338228][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  584.338231][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  584.338235][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  584.338239][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  584.338243][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.338247][   T12]  __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))
[  584.338251][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.338255][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  584.338262][   T12]  ? 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)
[  584.338264][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  584.338268][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  584.338271][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  584.338274][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  584.338278][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  584.338285][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  584.338287][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  584.338291][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.338294][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.338296][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.338300][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  584.338304][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  584.338308][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.338310][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.338312][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.338314][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.338318][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  584.338321][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  584.338325][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  584.338330][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  584.338333][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.338336][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  584.338339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.338340][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  584.338343][   T12]  ? 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)
[  584.338346][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  584.338349][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  584.338352][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  584.338354][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  584.338357][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  584.338359][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  584.338362][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  584.338366][   T12]  ? kthread (kernel/kthread.c:436)
[  584.338369][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  584.338373][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  584.338378][   T12]  _printk (kernel/printk/printk.c:2504)
[  584.338382][   T12]  ? snapshot_read.cold (user.c:?)
[  584.338386][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  584.338390][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  584.338394][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  584.338397][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  584.338405][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.338408][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  584.338410][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  584.338414][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  584.338417][   T12]  ? 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)
[  584.338420][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  584.338423][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  584.338427][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  584.338433][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  584.338437][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  584.338441][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  584.338445][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  584.338448][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  584.338453][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  584.338456][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  584.338459][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  584.338464][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  584.338467][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  584.338470][   T12]  process_one_work (kernel/workqueue.c:3387)
[  584.338475][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  584.338480][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  584.338484][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  584.338489][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  584.338492][   T12]  kthread (kernel/kthread.c:436)
[  584.338495][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  584.338498][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  584.338501][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  584.338505][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  584.338508][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  584.338512][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  584.338516][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  585.351175][T10083] softirqs last disabled at (0): 0x0
| [  585.351177][T10083] Preemption disabled at:
| [  585.351178][T10083] vprintk_emit (kernel/printk/printk.c:2471)
| [  585.351190][T10083] Tainted: [W]=WARN
[  585.351191][T10083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  585.351193][T10083] Call Trace:
[  585.351195][T10083]  <TASK>
[  585.351196][T10083]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  585.351202][T10083]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  585.351204][T10083]  __might_resched.cold (kernel/sched/core.c:9234)
[  585.351208][T10083]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  585.351212][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351215][T10083]  __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))
[  585.351219][T10083]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.351223][T10083]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  585.351228][T10083]  ? 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)
[  585.351231][T10083]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  585.351234][T10083]  put_chars (drivers/char/virtio_console.c:1176)
[  585.351236][T10083]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  585.351237][T10083]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  585.351240][T10083]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  585.351243][T10083]  ? pointer (lib/vsprintf.c:2577)
[  585.351247][T10083]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  585.351252][T10083]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  585.351254][T10083]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.351256][T10083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.351260][T10083]  console_emit_next_record (kernel/printk/printk.c:3183)
[  585.351263][T10083]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  585.351266][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351267][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351268][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351270][T10083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.351272][T10083]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  585.351274][T10083]  console_flush_one_record (kernel/printk/printk.c:3268)
[  585.351277][T10083]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  585.351280][T10083]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  585.351282][T10083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.351284][T10083]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  585.351286][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351288][T10083]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  585.351289][T10083]  ? 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)
[  585.351291][T10083]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  585.351293][T10083]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  585.351296][T10083]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  585.351298][T10083]  vprintk_emit (kernel/printk/printk.c:2479)
[  585.351300][T10083]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  585.351301][T10083]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  585.351304][T10083]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  585.351307][T10083]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  585.351310][T10083]  _printk (kernel/printk/printk.c:2504)
[  585.351313][T10083]  ? snapshot_read.cold (user.c:?)
[  585.351316][T10083]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  585.351318][T10083]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  585.351322][T10083]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  585.351324][T10083]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  585.351328][T10083]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  585.351330][T10083]  ? netdev_notice (net/core/dev.c:13194)
[  585.351333][T10083]  ? 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)
[  585.351335][T10083]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  585.351338][T10083]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  585.351340][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351341][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351343][T10083]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  585.351344][T10083]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  585.351346][T10083]  ? 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)
[  585.351348][T10083]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  585.351350][T10083]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  585.351352][T10083]  ? register_netdev (net/core/dev.c:11618)
[  585.351354][T10083]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  585.351356][T10083]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  585.351359][T10083]  ? __kernel_text_address (kernel/extable.c:79)
[  585.351362][T10083]  ? write_profile (profile.c:?)
[  585.351366][T10083]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  585.351370][T10083]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  585.351372][T10083]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  585.351374][T10083]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  585.351376][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351377][T10083]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  585.351381][T10083]  ? kasan_save_stack (mm/kasan/common.c:58)
[  585.351383][T10083]  ? kasan_save_stack (mm/kasan/common.c:57)
[  585.351384][T10083]  ? kasan_save_track (mm/kasan/common.c:78)
[  585.351386][T10083]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  585.351387][T10083]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  585.351389][T10083]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  585.351390][T10083]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  585.351391][T10083]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  585.351395][T10083]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  585.351397][T10083]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  585.351402][T10083]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  585.351405][T10083]  ? ____sys_sendmsg (net/socket.c:2713)
[  585.351407][T10083]  ? ___sys_sendmsg (net/socket.c:2767)
[  585.351408][T10083]  ? __sys_sendmsg (net/socket.c:2799)
[  585.351411][T10083]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  585.351413][T10083]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  585.351416][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351418][T10083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.351420][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351421][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351422][T10083]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  585.351424][T10083]  ? __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)
[  585.351426][T10083]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  585.351427][T10083]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  585.351429][T10083]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  585.351431][T10083]  ? nla_get_range_signed (lib/nlattr.c:270)
[  585.351434][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351436][T10083]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  585.351439][T10083]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  585.351441][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351443][T10083]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  585.351444][T10083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.351446][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351448][T10083]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  585.351451][T10083]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  585.351452][T10083]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  585.351454][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351456][T10083]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  585.351459][T10083]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  585.351462][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351464][T10083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.351466][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351467][T10083]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  585.351469][T10083]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  585.351471][T10083]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  585.351473][T10083]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  585.351475][T10083]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  585.351478][T10083]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  585.351480][T10083]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  585.351482][T10083]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  585.351484][T10083]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  585.351486][T10083]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  585.351490][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351491][T10083]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  585.351494][T10083]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  585.351496][T10083]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  585.351499][T10083]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  585.351501][T10083]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  585.351504][T10083]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  585.351506][T10083]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  585.351508][T10083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  585.351509][T10083]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  585.351513][T10083]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  585.351515][T10083]  ____sys_sendmsg (net/socket.c:2713)
[  585.351517][T10083]  ? copy_msghdr_from_user (net/socket.c:2650)
[  585.351520][T10083]  ? sock_write_iter (net/socket.c:1269)
[  585.351521][T10083]  ? move_addr_to_kernel (net/socket.c:258)
[  585.351523][T10083]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  585.351527][T10083]  ___sys_sendmsg (net/socket.c:2767)
[  585.351529][T10083]  ? copy_msghdr_from_user (net/socket.c:2619)
[  585.351535][T10083]  __sys_sendmsg (net/socket.c:2799)
[  585.351537][T10083]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  585.351541][T10083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  585.351542][T10083]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  585.351545][T10083]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  585.351547][T10083]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  585.351549][T10083] RIP: 0033:0x7fa49525854e
[  585.351551][T10083] 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
[  585.351554][T10083] RSP: 002b:00007fffb24b3f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  585.351558][T10083] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa49525854e
[  585.351560][T10083] RDX: 0000000000000000 RSI: 00007fffb24b3ff0 RDI: 0000000000000005
[  585.351561][T10083] RBP: 00007fffb24b3f50 R08: 0000000000000000 R09: 0000000000000000
[  585.351562][T10083] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915242
[  585.351564][T10083] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb24b46b0
| [  587.066161][T10158] softirqs last disabled at (0): 0x0
| [  587.066163][T10158] Preemption disabled at:
| [  587.066164][T10158] vprintk_emit (kernel/printk/printk.c:2471)
| [  587.066175][T10158] Tainted: [W]=WARN
[  587.066176][T10158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  587.066178][T10158] Call Trace:
[  587.066179][T10158]  <TASK>
[  587.066181][T10158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  587.066187][T10158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  587.066189][T10158]  __might_resched.cold (kernel/sched/core.c:9234)
[  587.066193][T10158]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  587.066195][T10158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  587.066199][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066202][T10158]  __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))
[  587.066205][T10158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  587.066209][T10158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  587.066214][T10158]  ? 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)
[  587.066216][T10158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  587.066219][T10158]  put_chars (drivers/char/virtio_console.c:1176)
[  587.066221][T10158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  587.066223][T10158]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  587.066225][T10158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  587.066230][T10158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  587.066232][T10158]  ? vsnprintf (lib/vsprintf.c:2900)
[  587.066236][T10158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  587.066238][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066239][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066241][T10158]  console_emit_next_record (kernel/printk/printk.c:3183)
[  587.066244][T10158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  587.066246][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066247][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066248][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066250][T10158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.066252][T10158]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  587.066254][T10158]  console_flush_one_record (kernel/printk/printk.c:3268)
[  587.066258][T10158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  587.066261][T10158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  587.066263][T10158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.066265][T10158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  587.066267][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066268][T10158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  587.066270][T10158]  ? 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)
[  587.066272][T10158]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  587.066274][T10158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  587.066276][T10158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  587.066277][T10158]  vprintk_emit (kernel/printk/printk.c:2479)
[  587.066279][T10158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  587.066280][T10158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  587.066282][T10158]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  587.066285][T10158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.066287][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066289][T10158]  _printk (kernel/printk/printk.c:2504)
[  587.066292][T10158]  ? snapshot_read.cold (user.c:?)
[  587.066294][T10158]  ? br_multicast_flood (??:?)
[  587.066298][T10158]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  587.066301][T10158]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  587.066302][T10158]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  587.066304][T10158]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  587.066307][T10158]  br_init_port (net/bridge/br_stp_if.c:39)
[  587.066309][T10158]  new_nbp (net/bridge/br_if.c:449)
[  587.066312][T10158]  br_add_if (net/bridge/br_if.c:592)
[  587.066313][T10158]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  587.066318][T10158]  do_set_master (net/core/rtnetlink.c:3071)
[  587.066320][T10158]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  587.066322][T10158]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  587.066323][T10158]  ? __dev_get_by_name (net/core/dev.c:905)
[  587.066325][T10158]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  587.066330][T10158]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  587.066332][T10158]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  587.066335][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066336][T10158]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  587.066337][T10158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.066339][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066341][T10158]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  587.066344][T10158]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  587.066346][T10158]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  587.066348][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066350][T10158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.066351][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066353][T10158]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  587.066354][T10158]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  587.066356][T10158]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  587.066358][T10158]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  587.066359][T10158]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  587.066364][T10158]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  587.066367][T10158]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  587.066368][T10158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  587.066370][T10158]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  587.066372][T10158]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  587.066375][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066376][T10158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  587.066379][T10158]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  587.066381][T10158]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  587.066383][T10158]  ? next_uptodate_folio (mm/filemap.c:3747)
[  587.066386][T10158]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  587.066389][T10158]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  587.066391][T10158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.066393][T10158]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  587.066397][T10158]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  587.066402][T10158]  ____sys_sendmsg (net/socket.c:2713)
[  587.066405][T10158]  ? copy_msghdr_from_user (net/socket.c:2650)
[  587.066407][T10158]  ? sock_write_iter (net/socket.c:1269)
[  587.066408][T10158]  ? move_addr_to_kernel (net/socket.c:258)
[  587.066411][T10158]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  587.066413][T10158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  587.066416][T10158]  ___sys_sendmsg (net/socket.c:2767)
[  587.066417][T10158]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  587.066419][T10158]  ? copy_msghdr_from_user (net/socket.c:2619)
[  587.066421][T10158]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  587.066426][T10158]  __sys_sendmsg (net/socket.c:2799)
[  587.066429][T10158]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  587.066432][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066433][T10158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  587.066435][T10158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  587.066438][T10158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  587.066440][T10158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  587.066442][T10158] RIP: 0033:0x7f3fdbd9a54e
[  587.066445][T10158] 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
[  587.066447][T10158] RSP: 002b:00007ffc7a9ae4b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  587.066451][T10158] RAX: ffffffffffffffda RBX: 00007ffc7a9aec78 RCX: 00007f3fdbd9a54e
[  587.066452][T10158] RDX: 0000000000000000 RSI: 00007ffc7a9ae560 RDI: 0000000000000005
[  587.066453][T10158] RBP: 00007ffc7a9ae4c0 R08: 0000000000000000 R09: 0000000000000000
[  587.066454][T10158] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915244
[  587.066455][T10158] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7a9aec30
| [  588.081657][T10197] softirqs last disabled at (0): 0x0
| [  588.081659][T10197] Preemption disabled at:
| [  588.081660][T10197] vprintk_emit (kernel/printk/printk.c:2471)
| [  588.081671][T10197] Tainted: [W]=WARN
[  588.081672][T10197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  588.081675][T10197] Call Trace:
[  588.081676][T10197]  <TASK>
[  588.081678][T10197]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  588.081684][T10197]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  588.081686][T10197]  __might_resched.cold (kernel/sched/core.c:9234)
[  588.081690][T10197]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  588.081694][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081697][T10197]  __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))
[  588.081700][T10197]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.081703][T10197]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.081708][T10197]  ? 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)
[  588.081710][T10197]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  588.081713][T10197]  put_chars (drivers/char/virtio_console.c:1176)
[  588.081715][T10197]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  588.081716][T10197]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  588.081719][T10197]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  588.081722][T10197]  ? pointer (lib/vsprintf.c:2577)
[  588.081725][T10197]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  588.081730][T10197]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  588.081733][T10197]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.081735][T10197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.081738][T10197]  console_emit_next_record (kernel/printk/printk.c:3183)
[  588.081741][T10197]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  588.081743][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081745][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081746][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081747][T10197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.081750][T10197]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  588.081752][T10197]  console_flush_one_record (kernel/printk/printk.c:3268)
[  588.081754][T10197]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  588.081758][T10197]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  588.081760][T10197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.081762][T10197]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  588.081764][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081765][T10197]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.081767][T10197]  ? 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)
[  588.081769][T10197]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  588.081771][T10197]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  588.081773][T10197]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  588.081775][T10197]  vprintk_emit (kernel/printk/printk.c:2479)
[  588.081777][T10197]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  588.081778][T10197]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  588.081781][T10197]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  588.081784][T10197]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  588.081787][T10197]  _printk (kernel/printk/printk.c:2504)
[  588.081790][T10197]  ? snapshot_read.cold (user.c:?)
[  588.081792][T10197]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  588.081795][T10197]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  588.081798][T10197]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  588.081800][T10197]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.081804][T10197]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  588.081806][T10197]  ? netdev_notice (net/core/dev.c:13194)
[  588.081809][T10197]  ? 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)
[  588.081811][T10197]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  588.081813][T10197]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  588.081815][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081816][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081818][T10197]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  588.081819][T10197]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  588.081821][T10197]  ? 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)
[  588.081823][T10197]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.081824][T10197]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  588.081826][T10197]  ? register_netdev (net/core/dev.c:11618)
[  588.081828][T10197]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.081830][T10197]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  588.081833][T10197]  ? __kernel_text_address (kernel/extable.c:79)
[  588.081836][T10197]  ? write_profile (profile.c:?)
[  588.081839][T10197]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  588.081843][T10197]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  588.081846][T10197]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  588.081848][T10197]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  588.081849][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081851][T10197]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  588.081855][T10197]  ? kasan_save_stack (mm/kasan/common.c:58)
[  588.081857][T10197]  ? kasan_save_stack (mm/kasan/common.c:57)
[  588.081858][T10197]  ? kasan_save_track (mm/kasan/common.c:78)
[  588.081859][T10197]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  588.081861][T10197]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  588.081862][T10197]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  588.081864][T10197]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  588.081865][T10197]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  588.081868][T10197]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  588.081870][T10197]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  588.081872][T10197]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  588.081875][T10197]  ? ____sys_sendmsg (net/socket.c:2713)
[  588.081877][T10197]  ? ___sys_sendmsg (net/socket.c:2767)
[  588.081878][T10197]  ? __sys_sendmsg (net/socket.c:2799)
[  588.081880][T10197]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  588.081883][T10197]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  588.081885][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081887][T10197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.081889][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081890][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081891][T10197]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  588.081893][T10197]  ? __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)
[  588.081894][T10197]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  588.081896][T10197]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  588.081898][T10197]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  588.081899][T10197]  ? nla_get_range_signed (lib/nlattr.c:270)
[  588.081903][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081904][T10197]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  588.081907][T10197]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  588.081909][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081910][T10197]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.081912][T10197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.081914][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081915][T10197]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  588.081918][T10197]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  588.081920][T10197]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  588.081922][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081923][T10197]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  588.081927][T10197]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  588.081929][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081930][T10197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.081932][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081934][T10197]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  588.081935][T10197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  588.081937][T10197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  588.081939][T10197]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  588.081941][T10197]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  588.081944][T10197]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  588.081946][T10197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  588.081947][T10197]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.081949][T10197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  588.081951][T10197]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  588.081955][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.081956][T10197]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  588.081959][T10197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  588.081961][T10197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  588.081963][T10197]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  588.081965][T10197]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  588.081968][T10197]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  588.081970][T10197]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  588.081972][T10197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  588.081974][T10197]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  588.081980][T10197]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  588.081984][T10197]  ____sys_sendmsg (net/socket.c:2713)
[  588.081987][T10197]  ? copy_msghdr_from_user (net/socket.c:2650)
[  588.081990][T10197]  ? sock_write_iter (net/socket.c:1269)
[  588.081991][T10197]  ? move_addr_to_kernel (net/socket.c:258)
[  588.081993][T10197]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  588.081997][T10197]  ___sys_sendmsg (net/socket.c:2767)
[  588.081999][T10197]  ? copy_msghdr_from_user (net/socket.c:2619)
[  588.082004][T10197]  __sys_sendmsg (net/socket.c:2799)
[  588.082007][T10197]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  588.082010][T10197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  588.082012][T10197]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  588.082014][T10197]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  588.082016][T10197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  588.082018][T10197] RIP: 0033:0x7f802620854e
[  588.082020][T10197] 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
[  588.082022][T10197] RSP: 002b:00007ffd96759dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  588.082026][T10197] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f802620854e
[  588.082028][T10197] RDX: 0000000000000000 RSI: 00007ffd96759e80 RDI: 0000000000000005
[  588.082029][T10197] RBP: 00007ffd96759de0 R08: 0000000000000000 R09: 0000000000000000
[  588.082030][T10197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915245
[  588.082031][T10197] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9675a540
| [  589.650863][T10254] softirqs last disabled at (0): 0x0
| [  589.650866][T10254] Preemption disabled at:
| [  589.650867][T10254] vprintk_emit (kernel/printk/printk.c:2471)
| [  589.650880][T10254] Tainted: [W]=WARN
[  589.650882][T10254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  589.650885][T10254] Call Trace:
[  589.650887][T10254]  <TASK>
[  589.650889][T10254]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  589.650896][T10254]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  589.650899][T10254]  __might_resched.cold (kernel/sched/core.c:9234)
[  589.650903][T10254]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  589.650907][T10254]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  589.650911][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.650915][T10254]  __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))
[  589.650919][T10254]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  589.650923][T10254]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.650930][T10254]  ? 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)
[  589.650933][T10254]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  589.650937][T10254]  put_chars (drivers/char/virtio_console.c:1176)
[  589.650939][T10254]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  589.650943][T10254]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  589.650947][T10254]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  589.650953][T10254]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  589.650956][T10254]  ? vsnprintf (lib/vsprintf.c:2900)
[  589.650960][T10254]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  589.650963][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.650965][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.650968][T10254]  console_emit_next_record (kernel/printk/printk.c:3183)
[  589.650972][T10254]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  589.650976][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.650980][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.650983][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.650985][T10254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.650989][T10254]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  589.650992][T10254]  console_flush_one_record (kernel/printk/printk.c:3268)
[  589.650996][T10254]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  589.651001][T10254]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  589.651004][T10254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.651006][T10254]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  589.651009][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.651011][T10254]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  589.651014][T10254]  ? 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)
[  589.651016][T10254]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  589.651019][T10254]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  589.651023][T10254]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  589.651025][T10254]  vprintk_emit (kernel/printk/printk.c:2479)
[  589.651029][T10254]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  589.651031][T10254]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  589.651034][T10254]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  589.651038][T10254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.651040][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.651043][T10254]  _printk (kernel/printk/printk.c:2504)
[  589.651047][T10254]  ? snapshot_read.cold (user.c:?)
[  589.651051][T10254]  ? br_multicast_flood (??:?)
[  589.651055][T10254]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  589.651059][T10254]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  589.651061][T10254]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  589.651065][T10254]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  589.651069][T10254]  br_init_port (net/bridge/br_stp_if.c:39)
[  589.651073][T10254]  new_nbp (net/bridge/br_if.c:449)
[  589.651076][T10254]  br_add_if (net/bridge/br_if.c:592)
[  589.651079][T10254]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  589.651085][T10254]  do_set_master (net/core/rtnetlink.c:3071)
[  589.651088][T10254]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  589.651092][T10254]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  589.651094][T10254]  ? __dev_get_by_name (net/core/dev.c:905)
[  589.651097][T10254]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  589.651103][T10254]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  589.651108][T10254]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  589.651112][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.651114][T10254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.651116][T10254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.651119][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.651121][T10254]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  589.651131][T10254]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  589.651134][T10254]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  589.651137][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.651140][T10254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.651142][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.651145][T10254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  589.651148][T10254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  589.651151][T10254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  589.651154][T10254]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  589.651156][T10254]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  589.651162][T10254]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  589.651166][T10254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  589.651169][T10254]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  589.651171][T10254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  589.651174][T10254]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  589.651179][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.651181][T10254]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  589.651185][T10254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  589.651188][T10254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  589.651192][T10254]  ? next_uptodate_folio (mm/filemap.c:3747)
[  589.651196][T10254]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  589.651200][T10254]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  589.651203][T10254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.651206][T10254]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  589.651211][T10254]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  589.651216][T10254]  ____sys_sendmsg (net/socket.c:2713)
[  589.651219][T10254]  ? copy_msghdr_from_user (net/socket.c:2650)
[  589.651221][T10254]  ? sock_write_iter (net/socket.c:1269)
[  589.651224][T10254]  ? move_addr_to_kernel (net/socket.c:258)
[  589.651228][T10254]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  589.651231][T10254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  589.651235][T10254]  ___sys_sendmsg (net/socket.c:2767)
[  589.651237][T10254]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  589.651240][T10254]  ? copy_msghdr_from_user (net/socket.c:2619)
[  589.651244][T10254]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  589.651252][T10254]  __sys_sendmsg (net/socket.c:2799)
[  589.651255][T10254]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  589.651260][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.651263][T10254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  589.651265][T10254]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  589.651269][T10254]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  589.651272][T10254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  589.651276][T10254] RIP: 0033:0x7f0aa3b7254e
[  589.651280][T10254] 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
[  589.651283][T10254] RSP: 002b:00007ffec599c0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  589.651288][T10254] RAX: ffffffffffffffda RBX: 00007ffec599c8a8 RCX: 00007f0aa3b7254e
[  589.651290][T10254] RDX: 0000000000000000 RSI: 00007ffec599c190 RDI: 0000000000000005
[  589.651292][T10254] RBP: 00007ffec599c0f0 R08: 0000000000000000 R09: 0000000000000000
[  589.651294][T10254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915246
[  589.651296][T10254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec599c860
| [  596.915945][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  596.915948][   T12] Preemption disabled at:
| [  596.915949][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  596.915960][   T12] Tainted: [W]=WARN
[  596.915961][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  596.915963][   T12] Workqueue: netns cleanup_net
[  596.915969][   T12] Call Trace:
[  596.915971][   T12]  <TASK>
[  596.915973][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  596.915981][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  596.915985][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  596.915989][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  596.915993][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  596.915997][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.916000][   T12]  __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))
[  596.916003][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  596.916006][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  596.916011][   T12]  ? 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)
[  596.916013][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  596.916016][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  596.916018][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  596.916020][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  596.916023][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  596.916028][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  596.916030][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  596.916032][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  596.916034][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.916036][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.916038][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  596.916041][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  596.916043][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.916044][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.916045][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.916046][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  596.916049][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  596.916051][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  596.916053][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  596.916056][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  596.916059][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  596.916060][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  596.916062][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.916064][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  596.916065][   T12]  ? 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)
[  596.916067][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  596.916069][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  596.916071][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  596.916073][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  596.916075][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  596.916076][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  596.916078][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  596.916081][   T12]  ? kthread (kernel/kthread.c:436)
[  596.916083][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  596.916086][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  596.916089][   T12]  _printk (kernel/printk/printk.c:2504)
[  596.916092][   T12]  ? snapshot_read.cold (user.c:?)
[  596.916095][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  596.916098][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  596.916100][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  596.916103][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  596.916105][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.916107][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  596.916108][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  596.916111][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  596.916113][   T12]  ? 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)
[  596.916115][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  596.916117][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  596.916120][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  596.916124][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  596.916126][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  596.916129][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  596.916131][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  596.916133][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  596.916136][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  596.916138][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  596.916141][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  596.916142][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  596.916144][   T12]  process_one_work (kernel/workqueue.c:3387)
[  596.916148][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  596.916151][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  596.916153][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  596.916157][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  596.916159][   T12]  kthread (kernel/kthread.c:436)
[  596.916161][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  596.916162][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  596.916172][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  596.916173][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  596.916176][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  596.916179][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  596.916181][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  597.971272][T10372] softirqs last disabled at (0): 0x0
| [  597.971274][T10372] Preemption disabled at:
| [  597.971275][T10372] vprintk_emit (kernel/printk/printk.c:2471)
| [  597.971286][T10372] Tainted: [W]=WARN
[  597.971287][T10372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  597.971289][T10372] Call Trace:
[  597.971291][T10372]  <TASK>
[  597.971292][T10372]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  597.971297][T10372]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  597.971299][T10372]  __might_resched.cold (kernel/sched/core.c:9234)
[  597.971303][T10372]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  597.971307][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971310][T10372]  __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))
[  597.971313][T10372]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  597.971316][T10372]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  597.971322][T10372]  ? 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)
[  597.971324][T10372]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  597.971326][T10372]  put_chars (drivers/char/virtio_console.c:1176)
[  597.971328][T10372]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  597.971329][T10372]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  597.971332][T10372]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  597.971334][T10372]  ? pointer (lib/vsprintf.c:2577)
[  597.971338][T10372]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  597.971343][T10372]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  597.971345][T10372]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  597.971347][T10372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.971350][T10372]  console_emit_next_record (kernel/printk/printk.c:3183)
[  597.971353][T10372]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  597.971355][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971356][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971357][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971359][T10372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.971361][T10372]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  597.971363][T10372]  console_flush_one_record (kernel/printk/printk.c:3268)
[  597.971365][T10372]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  597.971368][T10372]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  597.971370][T10372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.971372][T10372]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  597.971374][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971375][T10372]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  597.971377][T10372]  ? 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)
[  597.971379][T10372]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  597.971380][T10372]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  597.971382][T10372]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  597.971384][T10372]  vprintk_emit (kernel/printk/printk.c:2479)
[  597.971386][T10372]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  597.971387][T10372]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  597.971390][T10372]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  597.971393][T10372]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  597.971395][T10372]  _printk (kernel/printk/printk.c:2504)
[  597.971398][T10372]  ? snapshot_read.cold (user.c:?)
[  597.971404][T10372]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  597.971406][T10372]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  597.971410][T10372]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  597.971412][T10372]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  597.971416][T10372]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  597.971418][T10372]  ? netdev_notice (net/core/dev.c:13194)
[  597.971421][T10372]  ? 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)
[  597.971423][T10372]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  597.971426][T10372]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  597.971428][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971429][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971430][T10372]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  597.971432][T10372]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  597.971434][T10372]  ? 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)
[  597.971436][T10372]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  597.971437][T10372]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  597.971439][T10372]  ? register_netdev (net/core/dev.c:11618)
[  597.971441][T10372]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  597.971444][T10372]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  597.971447][T10372]  ? __kernel_text_address (kernel/extable.c:79)
[  597.971449][T10372]  ? write_profile (profile.c:?)
[  597.971453][T10372]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  597.971456][T10372]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  597.971459][T10372]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  597.971461][T10372]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  597.971462][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971463][T10372]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  597.971468][T10372]  ? kasan_save_stack (mm/kasan/common.c:58)
[  597.971470][T10372]  ? kasan_save_stack (mm/kasan/common.c:57)
[  597.971471][T10372]  ? kasan_save_track (mm/kasan/common.c:78)
[  597.971473][T10372]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  597.971474][T10372]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  597.971476][T10372]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  597.971477][T10372]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  597.971479][T10372]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  597.971482][T10372]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  597.971484][T10372]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  597.971486][T10372]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  597.971489][T10372]  ? ____sys_sendmsg (net/socket.c:2713)
[  597.971490][T10372]  ? ___sys_sendmsg (net/socket.c:2767)
[  597.971492][T10372]  ? __sys_sendmsg (net/socket.c:2799)
[  597.971494][T10372]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  597.971497][T10372]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  597.971499][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971501][T10372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.971502][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971503][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971505][T10372]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  597.971506][T10372]  ? __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)
[  597.971507][T10372]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  597.971509][T10372]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  597.971511][T10372]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  597.971512][T10372]  ? nla_get_range_signed (lib/nlattr.c:270)
[  597.971515][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971517][T10372]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  597.971519][T10372]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  597.971522][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971523][T10372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  597.971524][T10372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.971526][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971528][T10372]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  597.971530][T10372]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  597.971532][T10372]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  597.971533][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971535][T10372]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  597.971538][T10372]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  597.971541][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971542][T10372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.971544][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971545][T10372]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  597.971547][T10372]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  597.971548][T10372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  597.971550][T10372]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  597.971552][T10372]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  597.971554][T10372]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  597.971556][T10372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  597.971558][T10372]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  597.971560][T10372]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  597.971561][T10372]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  597.971565][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971566][T10372]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  597.971569][T10372]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  597.971571][T10372]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  597.971573][T10372]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  597.971575][T10372]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  597.971578][T10372]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  597.971579][T10372]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  597.971581][T10372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  597.971583][T10372]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  597.971586][T10372]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  597.971588][T10372]  ____sys_sendmsg (net/socket.c:2713)
[  597.971590][T10372]  ? copy_msghdr_from_user (net/socket.c:2650)
[  597.971592][T10372]  ? sock_write_iter (net/socket.c:1269)
[  597.971594][T10372]  ? move_addr_to_kernel (net/socket.c:258)
[  597.971596][T10372]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  597.971599][T10372]  ___sys_sendmsg (net/socket.c:2767)
[  597.971601][T10372]  ? copy_msghdr_from_user (net/socket.c:2619)
[  597.971606][T10372]  __sys_sendmsg (net/socket.c:2799)
[  597.971608][T10372]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  597.971612][T10372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  597.971613][T10372]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  597.971615][T10372]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  597.971618][T10372]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  597.971620][T10372] RIP: 0033:0x7f1597dc254e
[  597.971622][T10372] 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
[  597.971624][T10372] RSP: 002b:00007ffdaf8b3300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  597.971628][T10372] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1597dc254e
[  597.971630][T10372] RDX: 0000000000000000 RSI: 00007ffdaf8b33b0 RDI: 0000000000000005
[  597.971631][T10372] RBP: 00007ffdaf8b3310 R08: 0000000000000000 R09: 0000000000000000
[  597.971632][T10372] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91524f
[  597.971633][T10372] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdaf8b3a70
| [  599.667348][T10446] softirqs last disabled at (0): 0x0
| [  599.667351][T10446] Preemption disabled at:
| [  599.667352][T10446] vprintk_emit (kernel/printk/printk.c:2471)
| [  599.667367][T10446] Tainted: [W]=WARN
[  599.667368][T10446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  599.667371][T10446] Call Trace:
[  599.667373][T10446]  <TASK>
[  599.667375][T10446]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  599.667382][T10446]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  599.667385][T10446]  __might_resched.cold (kernel/sched/core.c:9234)
[  599.667389][T10446]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  599.667393][T10446]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  599.667398][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667405][T10446]  __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))
[  599.667409][T10446]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  599.667413][T10446]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  599.667420][T10446]  ? 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)
[  599.667423][T10446]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  599.667427][T10446]  put_chars (drivers/char/virtio_console.c:1176)
[  599.667430][T10446]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  599.667433][T10446]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  599.667438][T10446]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  599.667444][T10446]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  599.667447][T10446]  ? vsnprintf (lib/vsprintf.c:2900)
[  599.667452][T10446]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  599.667454][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667456][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667460][T10446]  console_emit_next_record (kernel/printk/printk.c:3183)
[  599.667464][T10446]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  599.667468][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667470][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667472][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667474][T10446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.667478][T10446]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  599.667481][T10446]  console_flush_one_record (kernel/printk/printk.c:3268)
[  599.667485][T10446]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  599.667490][T10446]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  599.667493][T10446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.667495][T10446]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  599.667498][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667500][T10446]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  599.667503][T10446]  ? 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)
[  599.667505][T10446]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  599.667508][T10446]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  599.667512][T10446]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  599.667514][T10446]  vprintk_emit (kernel/printk/printk.c:2479)
[  599.667517][T10446]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  599.667520][T10446]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  599.667523][T10446]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  599.667527][T10446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.667529][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667532][T10446]  _printk (kernel/printk/printk.c:2504)
[  599.667537][T10446]  ? snapshot_read.cold (user.c:?)
[  599.667540][T10446]  ? br_multicast_flood (??:?)
[  599.667544][T10446]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  599.667548][T10446]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  599.667551][T10446]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  599.667554][T10446]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  599.667559][T10446]  br_init_port (net/bridge/br_stp_if.c:39)
[  599.667562][T10446]  new_nbp (net/bridge/br_if.c:449)
[  599.667565][T10446]  br_add_if (net/bridge/br_if.c:592)
[  599.667568][T10446]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  599.667574][T10446]  do_set_master (net/core/rtnetlink.c:3071)
[  599.667578][T10446]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  599.667581][T10446]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  599.667584][T10446]  ? __dev_get_by_name (net/core/dev.c:905)
[  599.667587][T10446]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  599.667593][T10446]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  599.667598][T10446]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  599.667602][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667604][T10446]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  599.667606][T10446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.667609][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667611][T10446]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  599.667615][T10446]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  599.667619][T10446]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  599.667622][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667624][T10446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.667627][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667629][T10446]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  599.667632][T10446]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  599.667635][T10446]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  599.667638][T10446]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  599.667640][T10446]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  599.667646][T10446]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  599.667651][T10446]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  599.667653][T10446]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  599.667656][T10446]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  599.667659][T10446]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  599.667664][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667666][T10446]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  599.667670][T10446]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  599.667673][T10446]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  599.667677][T10446]  ? next_uptodate_folio (mm/filemap.c:3747)
[  599.667681][T10446]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  599.667685][T10446]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  599.667688][T10446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.667691][T10446]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  599.667696][T10446]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  599.667700][T10446]  ____sys_sendmsg (net/socket.c:2713)
[  599.667703][T10446]  ? copy_msghdr_from_user (net/socket.c:2650)
[  599.667706][T10446]  ? sock_write_iter (net/socket.c:1269)
[  599.667709][T10446]  ? move_addr_to_kernel (net/socket.c:258)
[  599.667713][T10446]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  599.667717][T10446]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  599.667720][T10446]  ___sys_sendmsg (net/socket.c:2767)
[  599.667723][T10446]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  599.667726][T10446]  ? copy_msghdr_from_user (net/socket.c:2619)
[  599.667729][T10446]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  599.667737][T10446]  __sys_sendmsg (net/socket.c:2799)
[  599.667741][T10446]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  599.667745][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667748][T10446]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  599.667751][T10446]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  599.667754][T10446]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  599.667758][T10446]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  599.667761][T10446] RIP: 0033:0x7f0db858754e
[  599.667764][T10446] 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
[  599.667767][T10446] RSP: 002b:00007fff85e896f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  599.667772][T10446] RAX: ffffffffffffffda RBX: 00007fff85e89eb8 RCX: 00007f0db858754e
[  599.667775][T10446] RDX: 0000000000000000 RSI: 00007fff85e897a0 RDI: 0000000000000005
[  599.667777][T10446] RBP: 00007fff85e89700 R08: 0000000000000000 R09: 0000000000000000
[  599.667778][T10446] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915251
[  599.667780][T10446] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff85e89e70
| [  600.732983][T10486] softirqs last disabled at (0): 0x0
| [  600.732986][T10486] Preemption disabled at:
| [  600.732987][T10486] vprintk_emit (kernel/printk/printk.c:2471)
| [  600.733001][T10486] Tainted: [W]=WARN
[  600.733002][T10486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  600.733004][T10486] Call Trace:
[  600.733006][T10486]  <TASK>
[  600.733008][T10486]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  600.733014][T10486]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  600.733016][T10486]  __might_resched.cold (kernel/sched/core.c:9234)
[  600.733020][T10486]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  600.733023][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733026][T10486]  __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))
[  600.733029][T10486]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  600.733032][T10486]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  600.733038][T10486]  ? 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)
[  600.733040][T10486]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  600.733043][T10486]  put_chars (drivers/char/virtio_console.c:1176)
[  600.733045][T10486]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  600.733046][T10486]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  600.733049][T10486]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  600.733051][T10486]  ? pointer (lib/vsprintf.c:2577)
[  600.733055][T10486]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  600.733060][T10486]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  600.733062][T10486]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  600.733064][T10486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.733067][T10486]  console_emit_next_record (kernel/printk/printk.c:3183)
[  600.733070][T10486]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  600.733072][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733074][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733075][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733076][T10486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.733078][T10486]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  600.733080][T10486]  console_flush_one_record (kernel/printk/printk.c:3268)
[  600.733083][T10486]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  600.733086][T10486]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  600.733088][T10486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.733090][T10486]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  600.733092][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733093][T10486]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  600.733095][T10486]  ? 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)
[  600.733096][T10486]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  600.733098][T10486]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  600.733100][T10486]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  600.733102][T10486]  vprintk_emit (kernel/printk/printk.c:2479)
[  600.733104][T10486]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  600.733105][T10486]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  600.733108][T10486]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  600.733111][T10486]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  600.733114][T10486]  _printk (kernel/printk/printk.c:2504)
[  600.733117][T10486]  ? snapshot_read.cold (user.c:?)
[  600.733119][T10486]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  600.733122][T10486]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  600.733125][T10486]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  600.733127][T10486]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  600.733131][T10486]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  600.733133][T10486]  ? netdev_notice (net/core/dev.c:13194)
[  600.733136][T10486]  ? 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)
[  600.733138][T10486]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  600.733140][T10486]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  600.733142][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733143][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733144][T10486]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  600.733146][T10486]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  600.733148][T10486]  ? 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)
[  600.733149][T10486]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  600.733151][T10486]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  600.733153][T10486]  ? register_netdev (net/core/dev.c:11618)
[  600.733154][T10486]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  600.733156][T10486]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  600.733160][T10486]  ? __kernel_text_address (kernel/extable.c:79)
[  600.733162][T10486]  ? write_profile (profile.c:?)
[  600.733165][T10486]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  600.733169][T10486]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  600.733171][T10486]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  600.733173][T10486]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  600.733175][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733176][T10486]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  600.733179][T10486]  ? kasan_save_stack (mm/kasan/common.c:58)
[  600.733182][T10486]  ? kasan_save_stack (mm/kasan/common.c:57)
[  600.733183][T10486]  ? kasan_save_track (mm/kasan/common.c:78)
[  600.733191][T10486]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  600.733193][T10486]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  600.733194][T10486]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  600.733195][T10486]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  600.733197][T10486]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  600.733200][T10486]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  600.733201][T10486]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  600.733203][T10486]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  600.733206][T10486]  ? ____sys_sendmsg (net/socket.c:2713)
[  600.733207][T10486]  ? ___sys_sendmsg (net/socket.c:2767)
[  600.733209][T10486]  ? __sys_sendmsg (net/socket.c:2799)
[  600.733211][T10486]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  600.733213][T10486]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  600.733216][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733218][T10486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.733219][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733220][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733222][T10486]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  600.733223][T10486]  ? __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)
[  600.733225][T10486]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  600.733226][T10486]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  600.733228][T10486]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  600.733229][T10486]  ? nla_get_range_signed (lib/nlattr.c:270)
[  600.733233][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733234][T10486]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  600.733236][T10486]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  600.733239][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733240][T10486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  600.733241][T10486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.733243][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733244][T10486]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  600.733247][T10486]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  600.733248][T10486]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  600.733250][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733251][T10486]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  600.733255][T10486]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  600.733258][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733259][T10486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.733261][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733263][T10486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  600.733264][T10486]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  600.733266][T10486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  600.733268][T10486]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  600.733270][T10486]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  600.733272][T10486]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  600.733274][T10486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  600.733276][T10486]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  600.733278][T10486]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  600.733279][T10486]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  600.733283][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733284][T10486]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  600.733286][T10486]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  600.733289][T10486]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  600.733291][T10486]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  600.733293][T10486]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  600.733295][T10486]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  600.733297][T10486]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  600.733299][T10486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  600.733301][T10486]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  600.733304][T10486]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  600.733306][T10486]  ____sys_sendmsg (net/socket.c:2713)
[  600.733308][T10486]  ? copy_msghdr_from_user (net/socket.c:2650)
[  600.733310][T10486]  ? sock_write_iter (net/socket.c:1269)
[  600.733312][T10486]  ? move_addr_to_kernel (net/socket.c:258)
[  600.733313][T10486]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  600.733316][T10486]  ___sys_sendmsg (net/socket.c:2767)
[  600.733318][T10486]  ? copy_msghdr_from_user (net/socket.c:2619)
[  600.733324][T10486]  __sys_sendmsg (net/socket.c:2799)
[  600.733326][T10486]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  600.733329][T10486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  600.733331][T10486]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  600.733332][T10486]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  600.733335][T10486]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  600.733336][T10486] RIP: 0033:0x7f2fe6d8354e
[  600.733339][T10486] 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
[  600.733341][T10486] RSP: 002b:00007ffde0b20e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  600.733345][T10486] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2fe6d8354e
[  600.733347][T10486] RDX: 0000000000000000 RSI: 00007ffde0b20f10 RDI: 0000000000000005
[  600.733348][T10486] RBP: 00007ffde0b20e70 R08: 0000000000000000 R09: 0000000000000000
[  600.733349][T10486] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915252
[  600.733350][T10486] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde0b215d0
| [  602.306027][T10536] softirqs last disabled at (0): 0x0
| [  602.306029][T10536] Preemption disabled at:
| [  602.306030][T10536] vprintk_emit (kernel/printk/printk.c:2471)
| [  602.306041][T10536] Tainted: [W]=WARN
[  602.306042][T10536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  602.306044][T10536] Call Trace:
[  602.306046][T10536]  <TASK>
[  602.306047][T10536]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  602.306053][T10536]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  602.306055][T10536]  __might_resched.cold (kernel/sched/core.c:9234)
[  602.306059][T10536]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  602.306061][T10536]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  602.306065][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306068][T10536]  __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))
[  602.306071][T10536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.306074][T10536]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  602.306079][T10536]  ? 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)
[  602.306081][T10536]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  602.306084][T10536]  put_chars (drivers/char/virtio_console.c:1176)
[  602.306086][T10536]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  602.306088][T10536]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  602.306090][T10536]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  602.306095][T10536]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  602.306097][T10536]  ? vsnprintf (lib/vsprintf.c:2900)
[  602.306101][T10536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.306103][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306104][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306106][T10536]  console_emit_next_record (kernel/printk/printk.c:3183)
[  602.306109][T10536]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  602.306111][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306112][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306114][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306115][T10536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.306117][T10536]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  602.306119][T10536]  console_flush_one_record (kernel/printk/printk.c:3268)
[  602.306122][T10536]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  602.306125][T10536]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  602.306127][T10536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.306129][T10536]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  602.306131][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306132][T10536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.306134][T10536]  ? 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)
[  602.306135][T10536]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  602.306137][T10536]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  602.306139][T10536]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  602.306141][T10536]  vprintk_emit (kernel/printk/printk.c:2479)
[  602.306143][T10536]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  602.306144][T10536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  602.306146][T10536]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  602.306149][T10536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.306151][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306152][T10536]  _printk (kernel/printk/printk.c:2504)
[  602.306155][T10536]  ? snapshot_read.cold (user.c:?)
[  602.306157][T10536]  ? br_multicast_flood (??:?)
[  602.306161][T10536]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  602.306164][T10536]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  602.306165][T10536]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  602.306167][T10536]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  602.306170][T10536]  br_init_port (net/bridge/br_stp_if.c:39)
[  602.306172][T10536]  new_nbp (net/bridge/br_if.c:449)
[  602.306174][T10536]  br_add_if (net/bridge/br_if.c:592)
[  602.306176][T10536]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  602.306181][T10536]  do_set_master (net/core/rtnetlink.c:3071)
[  602.306182][T10536]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  602.306184][T10536]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  602.306186][T10536]  ? __dev_get_by_name (net/core/dev.c:905)
[  602.306188][T10536]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  602.306192][T10536]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  602.306200][T10536]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  602.306202][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306204][T10536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  602.306205][T10536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.306207][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306208][T10536]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  602.306211][T10536]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  602.306213][T10536]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  602.306215][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306217][T10536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.306218][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306220][T10536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  602.306221][T10536]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  602.306223][T10536]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  602.306225][T10536]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  602.306226][T10536]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  602.306230][T10536]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  602.306234][T10536]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  602.306235][T10536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.306237][T10536]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  602.306239][T10536]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  602.306242][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306243][T10536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  602.306246][T10536]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  602.306248][T10536]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  602.306250][T10536]  ? next_uptodate_folio (mm/filemap.c:3747)
[  602.306253][T10536]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  602.306256][T10536]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  602.306258][T10536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.306260][T10536]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  602.306264][T10536]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  602.306267][T10536]  ____sys_sendmsg (net/socket.c:2713)
[  602.306269][T10536]  ? copy_msghdr_from_user (net/socket.c:2650)
[  602.306271][T10536]  ? sock_write_iter (net/socket.c:1269)
[  602.306273][T10536]  ? move_addr_to_kernel (net/socket.c:258)
[  602.306275][T10536]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  602.306277][T10536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  602.306279][T10536]  ___sys_sendmsg (net/socket.c:2767)
[  602.306281][T10536]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  602.306283][T10536]  ? copy_msghdr_from_user (net/socket.c:2619)
[  602.306285][T10536]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  602.306290][T10536]  __sys_sendmsg (net/socket.c:2799)
[  602.306292][T10536]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  602.306295][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306296][T10536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  602.306298][T10536]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  602.306301][T10536]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  602.306303][T10536]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  602.306305][T10536] RIP: 0033:0x7f677fd2654e
[  602.306308][T10536] 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
[  602.306310][T10536] RSP: 002b:00007fff4b83ac20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  602.306314][T10536] RAX: ffffffffffffffda RBX: 00007fff4b83b3e8 RCX: 00007f677fd2654e
[  602.306315][T10536] RDX: 0000000000000000 RSI: 00007fff4b83acd0 RDI: 0000000000000005
[  602.306316][T10536] RBP: 00007fff4b83ac30 R08: 0000000000000000 R09: 0000000000000000
[  602.306317][T10536] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915253
[  602.306318][T10536] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4b83b3a0
| [  609.505359][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  609.505363][   T12] Preemption disabled at:
| [  609.505364][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  609.505378][   T12] Tainted: [W]=WARN
[  609.505380][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  609.505383][   T12] Workqueue: netns cleanup_net
[  609.505390][   T12] Call Trace:
[  609.505392][   T12]  <TASK>
[  609.505395][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  609.505407][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  609.505410][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  609.505414][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  609.505418][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  609.505423][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.505427][   T12]  __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))
[  609.505431][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.505435][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.505442][   T12]  ? 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)
[  609.505445][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  609.505449][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  609.505452][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  609.505455][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  609.505460][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  609.505467][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  609.505470][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  609.505474][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.505477][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.505479][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.505482][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  609.505487][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  609.505490][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.505493][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.505495][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.505497][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.505501][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  609.505504][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  609.505508][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  609.505513][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  609.505516][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.505519][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  609.505523][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.505525][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  609.505528][   T12]  ? 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)
[  609.505531][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  609.505534][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  609.505537][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  609.505540][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  609.505543][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  609.505546][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  609.505549][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  609.505552][   T12]  ? kthread (kernel/kthread.c:436)
[  609.505556][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  609.505560][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  609.505564][   T12]  _printk (kernel/printk/printk.c:2504)
[  609.505569][   T12]  ? snapshot_read.cold (user.c:?)
[  609.505573][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  609.505577][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  609.505581][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  609.505585][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  609.505589][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.505591][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  609.505594][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  609.505598][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  609.505601][   T12]  ? 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)
[  609.505604][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  609.505608][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  609.505612][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  609.505617][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  609.505621][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  609.505625][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  609.505629][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  609.505633][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  609.505637][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  609.505640][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  609.505644][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  609.505647][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  609.505651][   T12]  process_one_work (kernel/workqueue.c:3387)
[  609.505656][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  609.505660][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  609.505665][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  609.505670][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  609.505673][   T12]  kthread (kernel/kthread.c:436)
[  609.505676][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  609.505679][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  609.505682][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  609.505685][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  609.505689][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  609.505693][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  609.505696][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  610.537551][T10654] softirqs last disabled at (0): 0x0
| [  610.537553][T10654] Preemption disabled at:
| [  610.537555][T10654] vprintk_emit (kernel/printk/printk.c:2471)
| [  610.537569][T10654] Tainted: [W]=WARN
[  610.537570][T10654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  610.537573][T10654] Call Trace:
[  610.537576][T10654]  <TASK>
[  610.537578][T10654]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  610.537585][T10654]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  610.537587][T10654]  __might_resched.cold (kernel/sched/core.c:9234)
[  610.537592][T10654]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  610.537597][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537601][T10654]  __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))
[  610.537604][T10654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  610.537609][T10654]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  610.537615][T10654]  ? 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)
[  610.537618][T10654]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  610.537622][T10654]  put_chars (drivers/char/virtio_console.c:1176)
[  610.537625][T10654]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  610.537627][T10654]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  610.537631][T10654]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  610.537634][T10654]  ? pointer (lib/vsprintf.c:2577)
[  610.537639][T10654]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  610.537646][T10654]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  610.537649][T10654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  610.537652][T10654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.537656][T10654]  console_emit_next_record (kernel/printk/printk.c:3183)
[  610.537660][T10654]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  610.537663][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537666][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537667][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537670][T10654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.537673][T10654]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  610.537676][T10654]  console_flush_one_record (kernel/printk/printk.c:3268)
[  610.537680][T10654]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  610.537684][T10654]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  610.537687][T10654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.537690][T10654]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  610.537692][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537694][T10654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  610.537697][T10654]  ? 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)
[  610.537700][T10654]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  610.537702][T10654]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  610.537705][T10654]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  610.537708][T10654]  vprintk_emit (kernel/printk/printk.c:2479)
[  610.537711][T10654]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  610.537713][T10654]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[  610.537717][T10654]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  610.537722][T10654]  _printk (kernel/printk/printk.c:2504)
[  610.537726][T10654]  ? snapshot_read.cold (user.c:?)
[  610.537729][T10654]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  610.537732][T10654]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  610.537737][T10654]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  610.537740][T10654]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  610.537744][T10654]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  610.537748][T10654]  ? netdev_notice (net/core/dev.c:13194)
[  610.537751][T10654]  ? 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)
[  610.537754][T10654]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  610.537758][T10654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  610.537761][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537763][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537765][T10654]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  610.537769][T10654]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  610.537772][T10654]  ? 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)
[  610.537774][T10654]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  610.537777][T10654]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  610.537780][T10654]  ? register_netdev (net/core/dev.c:11618)
[  610.537782][T10654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  610.537786][T10654]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  610.537790][T10654]  ? __kernel_text_address (kernel/extable.c:79)
[  610.537793][T10654]  ? write_profile (profile.c:?)
[  610.537797][T10654]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  610.537802][T10654]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  610.537806][T10654]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  610.537808][T10654]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  610.537811][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537813][T10654]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  610.537818][T10654]  ? kasan_save_stack (mm/kasan/common.c:58)
[  610.537821][T10654]  ? kasan_save_stack (mm/kasan/common.c:57)
[  610.537823][T10654]  ? kasan_save_track (mm/kasan/common.c:78)
[  610.537825][T10654]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  610.537827][T10654]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  610.537829][T10654]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  610.537831][T10654]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  610.537834][T10654]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  610.537838][T10654]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  610.537840][T10654]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  610.537843][T10654]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  610.537847][T10654]  ? ____sys_sendmsg (net/socket.c:2713)
[  610.537849][T10654]  ? ___sys_sendmsg (net/socket.c:2767)
[  610.537851][T10654]  ? __sys_sendmsg (net/socket.c:2799)
[  610.537854][T10654]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  610.537858][T10654]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  610.537862][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537864][T10654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.537867][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537869][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537871][T10654]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  610.537873][T10654]  ? __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)
[  610.537875][T10654]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  610.537878][T10654]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  610.537881][T10654]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  610.537883][T10654]  ? nla_get_range_signed (lib/nlattr.c:270)
[  610.537888][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537890][T10654]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  610.537894][T10654]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  610.537898][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537900][T10654]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  610.537902][T10654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.537905][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537907][T10654]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  610.537910][T10654]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  610.537913][T10654]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  610.537916][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537918][T10654]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  610.537922][T10654]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  610.537925][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537928][T10654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.537930][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537933][T10654]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  610.537935][T10654]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  610.537938][T10654]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  610.537941][T10654]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  610.537944][T10654]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  610.537948][T10654]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  610.537951][T10654]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  610.537953][T10654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  610.537956][T10654]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  610.537958][T10654]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  610.537964][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.537966][T10654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  610.537969][T10654]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  610.537973][T10654]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  610.537976][T10654]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  610.537981][T10654]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  610.537985][T10654]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  610.537988][T10654]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  610.537991][T10654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  610.537994][T10654]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  610.537999][T10654]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  610.538002][T10654]  ____sys_sendmsg (net/socket.c:2713)
[  610.538004][T10654]  ? copy_msghdr_from_user (net/socket.c:2650)
[  610.538007][T10654]  ? sock_write_iter (net/socket.c:1269)
[  610.538010][T10654]  ? move_addr_to_kernel (net/socket.c:258)
[  610.538012][T10654]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  610.538017][T10654]  ___sys_sendmsg (net/socket.c:2767)
[  610.538020][T10654]  ? copy_msghdr_from_user (net/socket.c:2619)
[  610.538028][T10654]  __sys_sendmsg (net/socket.c:2799)
[  610.538032][T10654]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  610.538036][T10654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  610.538039][T10654]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  610.538042][T10654]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  610.538045][T10654]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  610.538048][T10654] RIP: 0033:0x7f9dc8f7954e
[  610.538051][T10654] 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
[  610.538054][T10654] RSP: 002b:00007ffecedac520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  610.538059][T10654] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9dc8f7954e
[  610.538061][T10654] RDX: 0000000000000000 RSI: 00007ffecedac5d0 RDI: 0000000000000005
[  610.538063][T10654] RBP: 00007ffecedac530 R08: 0000000000000000 R09: 0000000000000000
[  610.538064][T10654] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91525b
[  610.538066][T10654] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecedacc90
| [  612.188110][T10729] softirqs last disabled at (0): 0x0
| [  612.188112][T10729] Preemption disabled at:
| [  612.188113][T10729] vprintk_emit (kernel/printk/printk.c:2471)
| [  612.188124][T10729] Tainted: [W]=WARN
[  612.188125][T10729] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  612.188127][T10729] Call Trace:
[  612.188129][T10729]  <TASK>
[  612.188131][T10729]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  612.188137][T10729]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  612.188138][T10729]  __might_resched.cold (kernel/sched/core.c:9234)
[  612.188142][T10729]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  612.188145][T10729]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  612.188149][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188151][T10729]  __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))
[  612.188154][T10729]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.188158][T10729]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  612.188163][T10729]  ? 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)
[  612.188165][T10729]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  612.188168][T10729]  put_chars (drivers/char/virtio_console.c:1176)
[  612.188170][T10729]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  612.188172][T10729]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  612.188175][T10729]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  612.188180][T10729]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  612.188182][T10729]  ? vsnprintf (lib/vsprintf.c:2900)
[  612.188186][T10729]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.188187][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188188][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188190][T10729]  console_emit_next_record (kernel/printk/printk.c:3183)
[  612.188193][T10729]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  612.188196][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188197][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188198][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188199][T10729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.188202][T10729]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  612.188203][T10729]  console_flush_one_record (kernel/printk/printk.c:3268)
[  612.188206][T10729]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  612.188209][T10729]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  612.188211][T10729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.188213][T10729]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  612.188215][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188216][T10729]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  612.188218][T10729]  ? 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)
[  612.188219][T10729]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  612.188221][T10729]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  612.188223][T10729]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  612.188225][T10729]  vprintk_emit (kernel/printk/printk.c:2479)
[  612.188227][T10729]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  612.188228][T10729]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  612.188230][T10729]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  612.188233][T10729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.188235][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188237][T10729]  _printk (kernel/printk/printk.c:2504)
[  612.188240][T10729]  ? snapshot_read.cold (user.c:?)
[  612.188242][T10729]  ? br_multicast_flood (??:?)
[  612.188246][T10729]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  612.188255][T10729]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  612.188256][T10729]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  612.188258][T10729]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  612.188262][T10729]  br_init_port (net/bridge/br_stp_if.c:39)
[  612.188264][T10729]  new_nbp (net/bridge/br_if.c:449)
[  612.188267][T10729]  br_add_if (net/bridge/br_if.c:592)
[  612.188268][T10729]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  612.188273][T10729]  do_set_master (net/core/rtnetlink.c:3071)
[  612.188275][T10729]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  612.188277][T10729]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  612.188278][T10729]  ? __dev_get_by_name (net/core/dev.c:905)
[  612.188280][T10729]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  612.188285][T10729]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  612.188287][T10729]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  612.188290][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188291][T10729]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  612.188292][T10729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.188294][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188296][T10729]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  612.188298][T10729]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  612.188300][T10729]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  612.188303][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188304][T10729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.188306][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188307][T10729]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  612.188309][T10729]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  612.188311][T10729]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  612.188312][T10729]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  612.188314][T10729]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  612.188318][T10729]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  612.188321][T10729]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  612.188323][T10729]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  612.188325][T10729]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  612.188326][T10729]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  612.188329][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188331][T10729]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  612.188333][T10729]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  612.188335][T10729]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  612.188338][T10729]  ? next_uptodate_folio (mm/filemap.c:3747)
[  612.188341][T10729]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  612.188343][T10729]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  612.188345][T10729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.188347][T10729]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  612.188351][T10729]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  612.188354][T10729]  ____sys_sendmsg (net/socket.c:2713)
[  612.188356][T10729]  ? copy_msghdr_from_user (net/socket.c:2650)
[  612.188358][T10729]  ? sock_write_iter (net/socket.c:1269)
[  612.188360][T10729]  ? move_addr_to_kernel (net/socket.c:258)
[  612.188362][T10729]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  612.188365][T10729]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  612.188367][T10729]  ___sys_sendmsg (net/socket.c:2767)
[  612.188369][T10729]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  612.188371][T10729]  ? copy_msghdr_from_user (net/socket.c:2619)
[  612.188372][T10729]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  612.188377][T10729]  __sys_sendmsg (net/socket.c:2799)
[  612.188380][T10729]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  612.188383][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188384][T10729]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  612.188385][T10729]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  612.188388][T10729]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  612.188390][T10729]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  612.188393][T10729] RIP: 0033:0x7efd6461e54e
[  612.188395][T10729] 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
[  612.188397][T10729] RSP: 002b:00007ffc63ac8800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  612.188404][T10729] RAX: ffffffffffffffda RBX: 00007ffc63ac8fc8 RCX: 00007efd6461e54e
[  612.188405][T10729] RDX: 0000000000000000 RSI: 00007ffc63ac88b0 RDI: 0000000000000005
[  612.188407][T10729] RBP: 00007ffc63ac8810 R08: 0000000000000000 R09: 0000000000000000
[  612.188408][T10729] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91525d
[  612.188409][T10729] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc63ac8f80
| [  613.245465][T10768] softirqs last disabled at (0): 0x0
| [  613.245467][T10768] Preemption disabled at:
| [  613.245468][T10768] vprintk_emit (kernel/printk/printk.c:2471)
| [  613.245479][T10768] Tainted: [W]=WARN
[  613.245480][T10768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  613.245482][T10768] Call Trace:
[  613.245484][T10768]  <TASK>
[  613.245486][T10768]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  613.245492][T10768]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  613.245493][T10768]  __might_resched.cold (kernel/sched/core.c:9234)
[  613.245497][T10768]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  613.245501][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245504][T10768]  __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))
[  613.245507][T10768]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.245510][T10768]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.245516][T10768]  ? 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)
[  613.245518][T10768]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  613.245520][T10768]  put_chars (drivers/char/virtio_console.c:1176)
[  613.245522][T10768]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  613.245524][T10768]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  613.245526][T10768]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  613.245529][T10768]  ? pointer (lib/vsprintf.c:2577)
[  613.245532][T10768]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  613.245537][T10768]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  613.245539][T10768]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.245542][T10768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.245544][T10768]  console_emit_next_record (kernel/printk/printk.c:3183)
[  613.245548][T10768]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  613.245550][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245551][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245553][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245554][T10768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.245556][T10768]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  613.245558][T10768]  console_flush_one_record (kernel/printk/printk.c:3268)
[  613.245561][T10768]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  613.245564][T10768]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  613.245566][T10768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.245568][T10768]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  613.245570][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245571][T10768]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.245573][T10768]  ? 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)
[  613.245574][T10768]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  613.245576][T10768]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  613.245578][T10768]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  613.245580][T10768]  vprintk_emit (kernel/printk/printk.c:2479)
[  613.245582][T10768]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  613.245583][T10768]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  613.245586][T10768]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  613.245589][T10768]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  613.245592][T10768]  _printk (kernel/printk/printk.c:2504)
[  613.245595][T10768]  ? snapshot_read.cold (user.c:?)
[  613.245597][T10768]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  613.245600][T10768]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  613.245603][T10768]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  613.245605][T10768]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.245608][T10768]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  613.245611][T10768]  ? netdev_notice (net/core/dev.c:13194)
[  613.245614][T10768]  ? 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)
[  613.245615][T10768]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  613.245618][T10768]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  613.245620][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245621][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245623][T10768]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  613.245624][T10768]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  613.245626][T10768]  ? 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)
[  613.245627][T10768]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.245629][T10768]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  613.245631][T10768]  ? register_netdev (net/core/dev.c:11618)
[  613.245632][T10768]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.245635][T10768]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  613.245637][T10768]  ? __kernel_text_address (kernel/extable.c:79)
[  613.245640][T10768]  ? write_profile (profile.c:?)
[  613.245643][T10768]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  613.245647][T10768]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  613.245649][T10768]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  613.245651][T10768]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  613.245652][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245653][T10768]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  613.245657][T10768]  ? kasan_save_stack (mm/kasan/common.c:58)
[  613.245659][T10768]  ? kasan_save_stack (mm/kasan/common.c:57)
[  613.245660][T10768]  ? kasan_save_track (mm/kasan/common.c:78)
[  613.245662][T10768]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  613.245663][T10768]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  613.245664][T10768]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  613.245666][T10768]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  613.245667][T10768]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  613.245670][T10768]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  613.245672][T10768]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  613.245674][T10768]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  613.245676][T10768]  ? ____sys_sendmsg (net/socket.c:2713)
[  613.245678][T10768]  ? ___sys_sendmsg (net/socket.c:2767)
[  613.245680][T10768]  ? __sys_sendmsg (net/socket.c:2799)
[  613.245681][T10768]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  613.245684][T10768]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  613.245686][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245688][T10768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.245689][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245691][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245692][T10768]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  613.245693][T10768]  ? __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)
[  613.245695][T10768]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  613.245696][T10768]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  613.245698][T10768]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  613.245699][T10768]  ? nla_get_range_signed (lib/nlattr.c:270)
[  613.245703][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245704][T10768]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  613.245707][T10768]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  613.245709][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245710][T10768]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.245712][T10768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.245713][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245715][T10768]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  613.245717][T10768]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  613.245719][T10768]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  613.245721][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245722][T10768]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  613.245725][T10768]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  613.245728][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245729][T10768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.245731][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245732][T10768]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  613.245734][T10768]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  613.245736][T10768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.245737][T10768]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  613.245739][T10768]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  613.245741][T10768]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  613.245743][T10768]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  613.245745][T10768]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.245747][T10768]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  613.245749][T10768]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  613.245752][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245753][T10768]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  613.245755][T10768]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  613.245758][T10768]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  613.245760][T10768]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  613.245762][T10768]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  613.245764][T10768]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  613.245766][T10768]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  613.245768][T10768]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  613.245770][T10768]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  613.245773][T10768]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  613.245775][T10768]  ____sys_sendmsg (net/socket.c:2713)
[  613.245777][T10768]  ? copy_msghdr_from_user (net/socket.c:2650)
[  613.245779][T10768]  ? sock_write_iter (net/socket.c:1269)
[  613.245780][T10768]  ? move_addr_to_kernel (net/socket.c:258)
[  613.245782][T10768]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  613.245785][T10768]  ___sys_sendmsg (net/socket.c:2767)
[  613.245787][T10768]  ? copy_msghdr_from_user (net/socket.c:2619)
[  613.245792][T10768]  __sys_sendmsg (net/socket.c:2799)
[  613.245794][T10768]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  613.245797][T10768]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  613.245799][T10768]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  613.245801][T10768]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  613.245803][T10768]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  613.245805][T10768] RIP: 0033:0x7f0f087a354e
[  613.245807][T10768] 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
[  613.245809][T10768] RSP: 002b:00007ffeb2907100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  613.245813][T10768] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f0f087a354e
[  613.245814][T10768] RDX: 0000000000000000 RSI: 00007ffeb29071b0 RDI: 0000000000000005
[  613.245815][T10768] RBP: 00007ffeb2907110 R08: 0000000000000000 R09: 0000000000000000
[  613.245816][T10768] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91525e
[  613.245817][T10768] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb2907870
| [  615.067570][T10818] softirqs last disabled at (0): 0x0
| [  615.067573][T10818] Preemption disabled at:
| [  615.067575][T10818] vprintk_emit (kernel/printk/printk.c:2471)
| [  615.067589][T10818] Tainted: [W]=WARN
[  615.067590][T10818] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  615.067593][T10818] Call Trace:
[  615.067595][T10818]  <TASK>
[  615.067597][T10818]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  615.067605][T10818]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  615.067607][T10818]  __might_resched.cold (kernel/sched/core.c:9234)
[  615.067612][T10818]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  615.067615][T10818]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  615.067620][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067624][T10818]  __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))
[  615.067628][T10818]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  615.067633][T10818]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  615.067640][T10818]  ? 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)
[  615.067643][T10818]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  615.067647][T10818]  put_chars (drivers/char/virtio_console.c:1176)
[  615.067650][T10818]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  615.067653][T10818]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  615.067658][T10818]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  615.067665][T10818]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  615.067667][T10818]  ? vsnprintf (lib/vsprintf.c:2900)
[  615.067672][T10818]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  615.067675][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067677][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067681][T10818]  console_emit_next_record (kernel/printk/printk.c:3183)
[  615.067685][T10818]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  615.067689][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067691][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067693][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067695][T10818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.067699][T10818]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  615.067703][T10818]  console_flush_one_record (kernel/printk/printk.c:3268)
[  615.067707][T10818]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  615.067712][T10818]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  615.067714][T10818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.067717][T10818]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  615.067720][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067722][T10818]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  615.067725][T10818]  ? 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)
[  615.067728][T10818]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  615.067731][T10818]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  615.067734][T10818]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  615.067737][T10818]  vprintk_emit (kernel/printk/printk.c:2479)
[  615.067741][T10818]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  615.067743][T10818]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  615.067746][T10818]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  615.067750][T10818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.067752][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067755][T10818]  _printk (kernel/printk/printk.c:2504)
[  615.067760][T10818]  ? snapshot_read.cold (user.c:?)
[  615.067763][T10818]  ? br_multicast_flood (??:?)
[  615.067768][T10818]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  615.067772][T10818]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  615.067774][T10818]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  615.067778][T10818]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  615.067782][T10818]  br_init_port (net/bridge/br_stp_if.c:39)
[  615.067785][T10818]  new_nbp (net/bridge/br_if.c:449)
[  615.067789][T10818]  br_add_if (net/bridge/br_if.c:592)
[  615.067792][T10818]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  615.067798][T10818]  do_set_master (net/core/rtnetlink.c:3071)
[  615.067802][T10818]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  615.067805][T10818]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  615.067808][T10818]  ? __dev_get_by_name (net/core/dev.c:905)
[  615.067810][T10818]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  615.067817][T10818]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  615.067822][T10818]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  615.067825][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067828][T10818]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  615.067830][T10818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.067833][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067835][T10818]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  615.067839][T10818]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  615.067842][T10818]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  615.067846][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067848][T10818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.067851][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067853][T10818]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  615.067856][T10818]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  615.067859][T10818]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  615.067862][T10818]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  615.067865][T10818]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  615.067870][T10818]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  615.067875][T10818]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  615.067878][T10818]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  615.067881][T10818]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  615.067883][T10818]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  615.067888][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067891][T10818]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  615.067894][T10818]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  615.067898][T10818]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  615.067901][T10818]  ? next_uptodate_folio (mm/filemap.c:3747)
[  615.067906][T10818]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  615.067910][T10818]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  615.067913][T10818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.067916][T10818]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  615.067921][T10818]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  615.067926][T10818]  ____sys_sendmsg (net/socket.c:2713)
[  615.067929][T10818]  ? copy_msghdr_from_user (net/socket.c:2650)
[  615.067932][T10818]  ? sock_write_iter (net/socket.c:1269)
[  615.067934][T10818]  ? move_addr_to_kernel (net/socket.c:258)
[  615.067938][T10818]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  615.067942][T10818]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  615.067945][T10818]  ___sys_sendmsg (net/socket.c:2767)
[  615.067948][T10818]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  615.067951][T10818]  ? copy_msghdr_from_user (net/socket.c:2619)
[  615.067954][T10818]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  615.067962][T10818]  __sys_sendmsg (net/socket.c:2799)
[  615.067966][T10818]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  615.067970][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067973][T10818]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  615.067976][T10818]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  615.067980][T10818]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  615.067984][T10818]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  615.067988][T10818] RIP: 0033:0x7fb20715c54e
[  615.067992][T10818] 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
[  615.067994][T10818] RSP: 002b:00007ffe4d8f5f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  615.067999][T10818] RAX: ffffffffffffffda RBX: 00007ffe4d8f6728 RCX: 00007fb20715c54e
[  615.068001][T10818] RDX: 0000000000000000 RSI: 00007ffe4d8f6010 RDI: 0000000000000005
[  615.068003][T10818] RBP: 00007ffe4d8f5f70 R08: 0000000000000000 R09: 0000000000000000
[  615.068005][T10818] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915260
[  615.068006][T10818] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4d8f66e0
| [  622.482716][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  622.482719][   T12] Preemption disabled at:
| [  622.482720][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  622.482733][   T12] Tainted: [W]=WARN
[  622.482735][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  622.482737][   T12] Workqueue: netns cleanup_net
[  622.482744][   T12] Call Trace:
[  622.482746][   T12]  <TASK>
[  622.482749][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  622.482756][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  622.482758][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  622.482763][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  622.482766][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  622.482770][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.482774][   T12]  __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))
[  622.482778][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  622.482782][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  622.482788][   T12]  ? 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)
[  622.482790][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  622.482794][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  622.482797][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  622.482800][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  622.482804][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  622.482811][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  622.482813][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  622.482817][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  622.482820][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.482822][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.482825][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  622.482829][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  622.482832][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.482834][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.482836][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.482838][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.482841][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  622.482844][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  622.482848][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  622.482853][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  622.482856][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.482858][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  622.482861][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.482863][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  622.482866][   T12]  ? 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)
[  622.482868][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  622.482871][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  622.482874][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  622.482876][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  622.482879][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  622.482881][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  622.482884][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  622.482887][   T12]  ? kthread (kernel/kthread.c:436)
[  622.482890][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  622.482894][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  622.482898][   T12]  _printk (kernel/printk/printk.c:2504)
[  622.482902][   T12]  ? snapshot_read.cold (user.c:?)
[  622.482906][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  622.482910][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  622.482913][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  622.482917][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  622.482920][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.482923][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  622.482925][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  622.482929][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  622.482931][   T12]  ? 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)
[  622.482934][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  622.482938][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  622.482942][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  622.482947][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  622.482951][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  622.482954][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  622.482958][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  622.482961][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  622.482965][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  622.482968][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  622.482971][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  622.482974][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  622.482978][   T12]  process_one_work (kernel/workqueue.c:3387)
[  622.482984][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  622.482989][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  622.482993][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  622.482998][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  622.483001][   T12]  kthread (kernel/kthread.c:436)
[  622.483004][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  622.483006][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  622.483010][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  622.483012][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  622.483016][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  622.483020][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  622.483023][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  623.742134][T10941] softirqs last disabled at (0): 0x0
| [  623.742137][T10941] Preemption disabled at:
| [  623.742139][T10941] vprintk_emit (kernel/printk/printk.c:2471)
| [  623.742153][T10941] Tainted: [W]=WARN
[  623.742155][T10941] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  623.742158][T10941] Call Trace:
[  623.742160][T10941]  <TASK>
[  623.742163][T10941]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  623.742170][T10941]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  623.742173][T10941]  __might_resched.cold (kernel/sched/core.c:9234)
[  623.742178][T10941]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  623.742183][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742187][T10941]  __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))
[  623.742192][T10941]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  623.742196][T10941]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  623.742203][T10941]  ? 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)
[  623.742206][T10941]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  623.742211][T10941]  put_chars (drivers/char/virtio_console.c:1176)
[  623.742213][T10941]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  623.742216][T10941]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  623.742220][T10941]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  623.742223][T10941]  ? pointer (lib/vsprintf.c:2577)
[  623.742229][T10941]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  623.742235][T10941]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  623.742238][T10941]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  623.742241][T10941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.742246][T10941]  console_emit_next_record (kernel/printk/printk.c:3183)
[  623.742250][T10941]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  623.742254][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742256][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742258][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742261][T10941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.742264][T10941]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  623.742268][T10941]  console_flush_one_record (kernel/printk/printk.c:3268)
[  623.742271][T10941]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  623.742276][T10941]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  623.742279][T10941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.742282][T10941]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  623.742285][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742287][T10941]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  623.742290][T10941]  ? 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)
[  623.742293][T10941]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  623.742296][T10941]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  623.742299][T10941]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  623.742302][T10941]  vprintk_emit (kernel/printk/printk.c:2479)
[  623.742305][T10941]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  623.742307][T10941]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  623.742317][T10941]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  623.742322][T10941]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  623.742326][T10941]  _printk (kernel/printk/printk.c:2504)
[  623.742330][T10941]  ? snapshot_read.cold (user.c:?)
[  623.742334][T10941]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  623.742337][T10941]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  623.742342][T10941]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  623.742345][T10941]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  623.742350][T10941]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  623.742353][T10941]  ? netdev_notice (net/core/dev.c:13194)
[  623.742356][T10941]  ? 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)
[  623.742359][T10941]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  623.742363][T10941]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  623.742366][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742368][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742370][T10941]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  623.742373][T10941]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  623.742376][T10941]  ? 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)
[  623.742378][T10941]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  623.742381][T10941]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  623.742384][T10941]  ? register_netdev (net/core/dev.c:11618)
[  623.742387][T10941]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  623.742390][T10941]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  623.742395][T10941]  ? __kernel_text_address (kernel/extable.c:79)
[  623.742398][T10941]  ? write_profile (profile.c:?)
[  623.742405][T10941]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  623.742410][T10941]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  623.742413][T10941]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  623.742416][T10941]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  623.742418][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742421][T10941]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  623.742426][T10941]  ? kasan_save_stack (mm/kasan/common.c:58)
[  623.742429][T10941]  ? kasan_save_stack (mm/kasan/common.c:57)
[  623.742431][T10941]  ? kasan_save_track (mm/kasan/common.c:78)
[  623.742433][T10941]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  623.742435][T10941]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  623.742437][T10941]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  623.742439][T10941]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  623.742441][T10941]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  623.742446][T10941]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  623.742449][T10941]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  623.742452][T10941]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  623.742455][T10941]  ? ____sys_sendmsg (net/socket.c:2713)
[  623.742458][T10941]  ? ___sys_sendmsg (net/socket.c:2767)
[  623.742461][T10941]  ? __sys_sendmsg (net/socket.c:2799)
[  623.742464][T10941]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  623.742468][T10941]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  623.742472][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742475][T10941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.742478][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742480][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742483][T10941]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  623.742486][T10941]  ? __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)
[  623.742488][T10941]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  623.742491][T10941]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  623.742494][T10941]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  623.742496][T10941]  ? nla_get_range_signed (lib/nlattr.c:270)
[  623.742501][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742504][T10941]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  623.742508][T10941]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  623.742512][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742515][T10941]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  623.742518][T10941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.742521][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742524][T10941]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  623.742528][T10941]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  623.742531][T10941]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  623.742534][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742536][T10941]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  623.742541][T10941]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  623.742545][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742547][T10941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.742550][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742553][T10941]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  623.742555][T10941]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  623.742559][T10941]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  623.742561][T10941]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  623.742564][T10941]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  623.742569][T10941]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  623.742573][T10941]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  623.742576][T10941]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  623.742579][T10941]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  623.742582][T10941]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  623.742587][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742590][T10941]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  623.742594][T10941]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  623.742598][T10941]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  623.742602][T10941]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  623.742606][T10941]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  623.742610][T10941]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  623.742613][T10941]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  623.742616][T10941]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  623.742619][T10941]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  623.742624][T10941]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  623.742628][T10941]  ____sys_sendmsg (net/socket.c:2713)
[  623.742631][T10941]  ? copy_msghdr_from_user (net/socket.c:2650)
[  623.742634][T10941]  ? sock_write_iter (net/socket.c:1269)
[  623.742637][T10941]  ? move_addr_to_kernel (net/socket.c:258)
[  623.742640][T10941]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  623.742645][T10941]  ___sys_sendmsg (net/socket.c:2767)
[  623.742649][T10941]  ? copy_msghdr_from_user (net/socket.c:2619)
[  623.742658][T10941]  __sys_sendmsg (net/socket.c:2799)
[  623.742662][T10941]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  623.742667][T10941]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  623.742670][T10941]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  623.742673][T10941]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  623.742677][T10941]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  623.742680][T10941] RIP: 0033:0x7f398ba1f54e
[  623.742684][T10941] 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
[  623.742687][T10941] RSP: 002b:00007ffd4eee7770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  623.742692][T10941] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f398ba1f54e
[  623.742695][T10941] RDX: 0000000000000000 RSI: 00007ffd4eee7820 RDI: 0000000000000005
[  623.742696][T10941] RBP: 00007ffd4eee7780 R08: 0000000000000000 R09: 0000000000000000
[  623.742698][T10941] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915269
[  623.742700][T10941] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4eee7ee0
| [  625.487385][T11010] softirqs last disabled at (0): 0x0
| [  625.487388][T11010] Preemption disabled at:
| [  625.487389][T11010] vprintk_emit (kernel/printk/printk.c:2471)
| [  625.487405][T11010] Tainted: [W]=WARN
[  625.487407][T11010] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  625.487409][T11010] Call Trace:
[  625.487411][T11010]  <TASK>
[  625.487413][T11010]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  625.487420][T11010]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  625.487423][T11010]  __might_resched.cold (kernel/sched/core.c:9234)
[  625.487427][T11010]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  625.487431][T11010]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  625.487435][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487439][T11010]  __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))
[  625.487443][T11010]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  625.487447][T11010]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  625.487454][T11010]  ? 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)
[  625.487456][T11010]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  625.487460][T11010]  put_chars (drivers/char/virtio_console.c:1176)
[  625.487463][T11010]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  625.487466][T11010]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  625.487470][T11010]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  625.487477][T11010]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  625.487479][T11010]  ? vsnprintf (lib/vsprintf.c:2900)
[  625.487484][T11010]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  625.487486][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487488][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487491][T11010]  console_emit_next_record (kernel/printk/printk.c:3183)
[  625.487495][T11010]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  625.487499][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487501][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487502][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487504][T11010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.487508][T11010]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  625.487510][T11010]  console_flush_one_record (kernel/printk/printk.c:3268)
[  625.487514][T11010]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  625.487519][T11010]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  625.487522][T11010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.487524][T11010]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  625.487527][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487529][T11010]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  625.487531][T11010]  ? 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)
[  625.487534][T11010]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  625.487536][T11010]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  625.487539][T11010]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  625.487542][T11010]  vprintk_emit (kernel/printk/printk.c:2479)
[  625.487545][T11010]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  625.487547][T11010]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  625.487550][T11010]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  625.487554][T11010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.487557][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487560][T11010]  _printk (kernel/printk/printk.c:2504)
[  625.487564][T11010]  ? snapshot_read.cold (user.c:?)
[  625.487567][T11010]  ? br_multicast_flood (??:?)
[  625.487572][T11010]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  625.487576][T11010]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  625.487578][T11010]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  625.487581][T11010]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  625.487585][T11010]  br_init_port (net/bridge/br_stp_if.c:39)
[  625.487588][T11010]  new_nbp (net/bridge/br_if.c:449)
[  625.487592][T11010]  br_add_if (net/bridge/br_if.c:592)
[  625.487595][T11010]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  625.487601][T11010]  do_set_master (net/core/rtnetlink.c:3071)
[  625.487604][T11010]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  625.487608][T11010]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  625.487610][T11010]  ? __dev_get_by_name (net/core/dev.c:905)
[  625.487613][T11010]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  625.487619][T11010]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  625.487623][T11010]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  625.487627][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487630][T11010]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.487632][T11010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.487635][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487637][T11010]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  625.487641][T11010]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  625.487644][T11010]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  625.487648][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487650][T11010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.487652][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487655][T11010]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  625.487657][T11010]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  625.487660][T11010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  625.487663][T11010]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  625.487665][T11010]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  625.487671][T11010]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  625.487675][T11010]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  625.487678][T11010]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  625.487680][T11010]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  625.487683][T11010]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  625.487688][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487690][T11010]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  625.487693][T11010]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  625.487697][T11010]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  625.487701][T11010]  ? next_uptodate_folio (mm/filemap.c:3747)
[  625.487705][T11010]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  625.487709][T11010]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  625.487712][T11010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.487715][T11010]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  625.487719][T11010]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  625.487724][T11010]  ____sys_sendmsg (net/socket.c:2713)
[  625.487726][T11010]  ? copy_msghdr_from_user (net/socket.c:2650)
[  625.487729][T11010]  ? sock_write_iter (net/socket.c:1269)
[  625.487731][T11010]  ? move_addr_to_kernel (net/socket.c:258)
[  625.487735][T11010]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  625.487738][T11010]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  625.487742][T11010]  ___sys_sendmsg (net/socket.c:2767)
[  625.487744][T11010]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  625.487747][T11010]  ? copy_msghdr_from_user (net/socket.c:2619)
[  625.487750][T11010]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  625.487758][T11010]  __sys_sendmsg (net/socket.c:2799)
[  625.487761][T11010]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  625.487766][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487768][T11010]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  625.487771][T11010]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  625.487775][T11010]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  625.487778][T11010]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  625.487782][T11010] RIP: 0033:0x7f347065254e
[  625.487785][T11010] 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
[  625.487789][T11010] RSP: 002b:00007ffebd6a8990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  625.487793][T11010] RAX: ffffffffffffffda RBX: 00007ffebd6a9158 RCX: 00007f347065254e
[  625.487796][T11010] RDX: 0000000000000000 RSI: 00007ffebd6a8a40 RDI: 0000000000000005
[  625.487798][T11010] RBP: 00007ffebd6a89a0 R08: 0000000000000000 R09: 0000000000000000
[  625.487799][T11010] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91526a
[  625.487801][T11010] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebd6a9110
| [  626.690202][T11047] softirqs last disabled at (0): 0x0
| [  626.690204][T11047] Preemption disabled at:
| [  626.690205][T11047] vprintk_emit (kernel/printk/printk.c:2471)
| [  626.690215][T11047] Tainted: [W]=WARN
[  626.690216][T11047] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  626.690218][T11047] Call Trace:
[  626.690220][T11047]  <TASK>
[  626.690221][T11047]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  626.690227][T11047]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  626.690228][T11047]  __might_resched.cold (kernel/sched/core.c:9234)
[  626.690232][T11047]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  626.690236][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690238][T11047]  __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))
[  626.690242][T11047]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  626.690245][T11047]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  626.690250][T11047]  ? 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)
[  626.690252][T11047]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  626.690255][T11047]  put_chars (drivers/char/virtio_console.c:1176)
[  626.690256][T11047]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  626.690258][T11047]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  626.690261][T11047]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  626.690263][T11047]  ? pointer (lib/vsprintf.c:2577)
[  626.690267][T11047]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  626.690272][T11047]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  626.690274][T11047]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  626.690276][T11047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.690279][T11047]  console_emit_next_record (kernel/printk/printk.c:3183)
[  626.690282][T11047]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  626.690284][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690285][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690286][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690288][T11047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.690290][T11047]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  626.690292][T11047]  console_flush_one_record (kernel/printk/printk.c:3268)
[  626.690294][T11047]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  626.690297][T11047]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  626.690299][T11047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.690301][T11047]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  626.690303][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690304][T11047]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  626.690306][T11047]  ? 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)
[  626.690308][T11047]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  626.690309][T11047]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  626.690311][T11047]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  626.690313][T11047]  vprintk_emit (kernel/printk/printk.c:2479)
[  626.690315][T11047]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  626.690316][T11047]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  626.690319][T11047]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  626.690322][T11047]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  626.690325][T11047]  _printk (kernel/printk/printk.c:2504)
[  626.690336][T11047]  ? snapshot_read.cold (user.c:?)
[  626.690338][T11047]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  626.690340][T11047]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  626.690344][T11047]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  626.690346][T11047]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  626.690349][T11047]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  626.690352][T11047]  ? netdev_notice (net/core/dev.c:13194)
[  626.690354][T11047]  ? 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)
[  626.690356][T11047]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  626.690359][T11047]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  626.690361][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690362][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690364][T11047]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  626.690365][T11047]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  626.690367][T11047]  ? 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)
[  626.690368][T11047]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  626.690370][T11047]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  626.690372][T11047]  ? register_netdev (net/core/dev.c:11618)
[  626.690373][T11047]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  626.690376][T11047]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  626.690378][T11047]  ? __kernel_text_address (kernel/extable.c:79)
[  626.690381][T11047]  ? write_profile (profile.c:?)
[  626.690384][T11047]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  626.690388][T11047]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  626.690390][T11047]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  626.690392][T11047]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  626.690393][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690394][T11047]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  626.690398][T11047]  ? kasan_save_stack (mm/kasan/common.c:58)
[  626.690403][T11047]  ? kasan_save_stack (mm/kasan/common.c:57)
[  626.690404][T11047]  ? kasan_save_track (mm/kasan/common.c:78)
[  626.690406][T11047]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  626.690407][T11047]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  626.690408][T11047]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  626.690410][T11047]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  626.690411][T11047]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  626.690414][T11047]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  626.690416][T11047]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  626.690418][T11047]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  626.690421][T11047]  ? ____sys_sendmsg (net/socket.c:2713)
[  626.690422][T11047]  ? ___sys_sendmsg (net/socket.c:2767)
[  626.690424][T11047]  ? __sys_sendmsg (net/socket.c:2799)
[  626.690426][T11047]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  626.690429][T11047]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  626.690431][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690433][T11047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.690434][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690435][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690437][T11047]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  626.690438][T11047]  ? __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)
[  626.690440][T11047]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  626.690441][T11047]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  626.690443][T11047]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  626.690444][T11047]  ? nla_get_range_signed (lib/nlattr.c:270)
[  626.690447][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690449][T11047]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  626.690451][T11047]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  626.690454][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690455][T11047]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  626.690456][T11047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.690458][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690460][T11047]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  626.690462][T11047]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  626.690464][T11047]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  626.690465][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690467][T11047]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  626.690470][T11047]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  626.690472][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690474][T11047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.690475][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690477][T11047]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  626.690478][T11047]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  626.690480][T11047]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  626.690482][T11047]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  626.690483][T11047]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  626.690486][T11047]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  626.690488][T11047]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  626.690489][T11047]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  626.690491][T11047]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  626.690493][T11047]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  626.690496][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690497][T11047]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  626.690500][T11047]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  626.690502][T11047]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  626.690504][T11047]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  626.690506][T11047]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  626.690509][T11047]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  626.690510][T11047]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  626.690512][T11047]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  626.690514][T11047]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  626.690517][T11047]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  626.690520][T11047]  ____sys_sendmsg (net/socket.c:2713)
[  626.690521][T11047]  ? copy_msghdr_from_user (net/socket.c:2650)
[  626.690523][T11047]  ? sock_write_iter (net/socket.c:1269)
[  626.690525][T11047]  ? move_addr_to_kernel (net/socket.c:258)
[  626.690526][T11047]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  626.690529][T11047]  ___sys_sendmsg (net/socket.c:2767)
[  626.690531][T11047]  ? copy_msghdr_from_user (net/socket.c:2619)
[  626.690537][T11047]  __sys_sendmsg (net/socket.c:2799)
[  626.690539][T11047]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  626.690542][T11047]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  626.690543][T11047]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  626.690545][T11047]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  626.690548][T11047]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  626.690550][T11047] RIP: 0033:0x7f604004554e
[  626.690552][T11047] 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
[  626.690554][T11047] RSP: 002b:00007ffe5f85a690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  626.690558][T11047] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f604004554e
[  626.690559][T11047] RDX: 0000000000000000 RSI: 00007ffe5f85a740 RDI: 0000000000000005
[  626.690560][T11047] RBP: 00007ffe5f85a6a0 R08: 0000000000000000 R09: 0000000000000000
[  626.690561][T11047] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91526c
[  626.690562][T11047] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5f85ae00
| [  628.361413][T11113] softirqs last disabled at (0): 0x0
| [  628.361416][T11113] Preemption disabled at:
| [  628.361416][T11113] vprintk_emit (kernel/printk/printk.c:2471)
| [  628.361428][T11113] Tainted: [W]=WARN
[  628.361429][T11113] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  628.361431][T11113] Call Trace:
[  628.361433][T11113]  <TASK>
[  628.361434][T11113]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  628.361440][T11113]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  628.361442][T11113]  __might_resched.cold (kernel/sched/core.c:9234)
[  628.361445][T11113]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  628.361448][T11113]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  628.361452][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361454][T11113]  __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))
[  628.361457][T11113]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.361461][T11113]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  628.361466][T11113]  ? 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)
[  628.361468][T11113]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  628.361470][T11113]  put_chars (drivers/char/virtio_console.c:1176)
[  628.361472][T11113]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  628.361474][T11113]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  628.361477][T11113]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  628.361482][T11113]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  628.361484][T11113]  ? vsnprintf (lib/vsprintf.c:2900)
[  628.361487][T11113]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.361489][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361490][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361492][T11113]  console_emit_next_record (kernel/printk/printk.c:3183)
[  628.361495][T11113]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  628.361498][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361499][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361500][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361501][T11113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.361504][T11113]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  628.361505][T11113]  console_flush_one_record (kernel/printk/printk.c:3268)
[  628.361508][T11113]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  628.361511][T11113]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  628.361513][T11113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.361515][T11113]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  628.361517][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361518][T11113]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.361519][T11113]  ? 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)
[  628.361521][T11113]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  628.361522][T11113]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  628.361525][T11113]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  628.361526][T11113]  vprintk_emit (kernel/printk/printk.c:2479)
[  628.361528][T11113]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  628.361529][T11113]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  628.361531][T11113]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  628.361534][T11113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.361536][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361537][T11113]  _printk (kernel/printk/printk.c:2504)
[  628.361541][T11113]  ? snapshot_read.cold (user.c:?)
[  628.361543][T11113]  ? br_multicast_flood (??:?)
[  628.361546][T11113]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  628.361549][T11113]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  628.361550][T11113]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  628.361552][T11113]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  628.361555][T11113]  br_init_port (net/bridge/br_stp_if.c:39)
[  628.361557][T11113]  new_nbp (net/bridge/br_if.c:449)
[  628.361560][T11113]  br_add_if (net/bridge/br_if.c:592)
[  628.361562][T11113]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  628.361566][T11113]  do_set_master (net/core/rtnetlink.c:3071)
[  628.361568][T11113]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  628.361570][T11113]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  628.361571][T11113]  ? __dev_get_by_name (net/core/dev.c:905)
[  628.361573][T11113]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  628.361578][T11113]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  628.361581][T11113]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  628.361583][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361584][T11113]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  628.361585][T11113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.361587][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361589][T11113]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  628.361591][T11113]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  628.361593][T11113]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  628.361596][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361597][T11113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.361598][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361600][T11113]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  628.361601][T11113]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  628.361603][T11113]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  628.361605][T11113]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  628.361606][T11113]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  628.361610][T11113]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  628.361613][T11113]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  628.361615][T11113]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.361616][T11113]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  628.361618][T11113]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  628.361621][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361623][T11113]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  628.361625][T11113]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  628.361627][T11113]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  628.361629][T11113]  ? next_uptodate_folio (mm/filemap.c:3747)
[  628.361633][T11113]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  628.361635][T11113]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  628.361637][T11113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.361639][T11113]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  628.361643][T11113]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  628.361646][T11113]  ____sys_sendmsg (net/socket.c:2713)
[  628.361648][T11113]  ? copy_msghdr_from_user (net/socket.c:2650)
[  628.361650][T11113]  ? sock_write_iter (net/socket.c:1269)
[  628.361651][T11113]  ? move_addr_to_kernel (net/socket.c:258)
[  628.361654][T11113]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  628.361656][T11113]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  628.361659][T11113]  ___sys_sendmsg (net/socket.c:2767)
[  628.361660][T11113]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  628.361662][T11113]  ? copy_msghdr_from_user (net/socket.c:2619)
[  628.361664][T11113]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  628.361669][T11113]  __sys_sendmsg (net/socket.c:2799)
[  628.361672][T11113]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  628.361674][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361676][T11113]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  628.361677][T11113]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  628.361680][T11113]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  628.361682][T11113]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  628.361685][T11113] RIP: 0033:0x7faf743b654e
[  628.361687][T11113] 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
[  628.361689][T11113] RSP: 002b:00007ffeb6695dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  628.361693][T11113] RAX: ffffffffffffffda RBX: 00007ffeb6696588 RCX: 00007faf743b654e
[  628.361695][T11113] RDX: 0000000000000000 RSI: 00007ffeb6695e70 RDI: 0000000000000005
[  628.361696][T11113] RBP: 00007ffeb6695dd0 R08: 0000000000000000 R09: 0000000000000000
[  628.361697][T11113] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91526d
[  628.361698][T11113] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb6696540
| [  635.644591][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  635.644595][   T12] Preemption disabled at:
| [  635.644596][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  635.644610][   T12] Tainted: [W]=WARN
[  635.644611][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  635.644614][   T12] Workqueue: netns cleanup_net
[  635.644622][   T12] Call Trace:
[  635.644624][   T12]  <TASK>
[  635.644626][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  635.644633][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  635.644636][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  635.644641][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  635.644644][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  635.644649][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.644653][   T12]  __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))
[  635.644657][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  635.644662][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  635.644668][   T12]  ? 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)
[  635.644671][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  635.644675][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  635.644678][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  635.644682][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  635.644686][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  635.644693][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  635.644696][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  635.644700][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  635.644703][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.644705][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.644709][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  635.644713][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  635.644717][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.644719][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.644721][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.644723][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.644727][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  635.644730][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  635.644735][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  635.644740][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  635.644743][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.644746][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  635.644749][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.644751][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  635.644754][   T12]  ? 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)
[  635.644757][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  635.644760][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  635.644763][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  635.644766][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  635.644769][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  635.644772][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  635.644774][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  635.644778][   T12]  ? kthread (kernel/kthread.c:436)
[  635.644782][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  635.644786][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  635.644791][   T12]  _printk (kernel/printk/printk.c:2504)
[  635.644795][   T12]  ? snapshot_read.cold (user.c:?)
[  635.644799][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  635.644803][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  635.644807][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  635.644810][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  635.644815][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.644817][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  635.644819][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  635.644824][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  635.644827][   T12]  ? 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)
[  635.644830][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  635.644833][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  635.644838][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  635.644844][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  635.644848][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  635.644852][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  635.644856][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  635.644860][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  635.644865][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  635.644868][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  635.644872][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  635.644874][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  635.644878][   T12]  process_one_work (kernel/workqueue.c:3387)
[  635.644883][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  635.644888][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  635.644892][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  635.644897][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  635.644900][   T12]  kthread (kernel/kthread.c:436)
[  635.644903][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  635.644906][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  635.644910][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  635.644913][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  635.644916][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  635.644921][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  635.644924][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  637.363802][T11276] softirqs last disabled at (0): 0x0
| [  637.363805][T11276] Preemption disabled at:
| [  637.363807][T11276] vprintk_emit (kernel/printk/printk.c:2471)
| [  637.363821][T11276] Tainted: [W]=WARN
[  637.363823][T11276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  637.363825][T11276] Call Trace:
[  637.363828][T11276]  <TASK>
[  637.363830][T11276]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  637.363837][T11276]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  637.363840][T11276]  __might_resched.cold (kernel/sched/core.c:9234)
[  637.363845][T11276]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  637.363848][T11276]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  637.363853][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.363857][T11276]  __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))
[  637.363861][T11276]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  637.363866][T11276]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  637.363872][T11276]  ? 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)
[  637.363875][T11276]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  637.363879][T11276]  put_chars (drivers/char/virtio_console.c:1176)
[  637.363882][T11276]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  637.363886][T11276]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  637.363890][T11276]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  637.363897][T11276]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  637.363900][T11276]  ? vsnprintf (lib/vsprintf.c:2900)
[  637.363904][T11276]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  637.363907][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.363909][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.363913][T11276]  console_emit_next_record (kernel/printk/printk.c:3183)
[  637.363917][T11276]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  637.363921][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.363923][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.363925][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.363927][T11276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.363931][T11276]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  637.363934][T11276]  console_flush_one_record (kernel/printk/printk.c:3268)
[  637.363939][T11276]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  637.363943][T11276]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  637.363946][T11276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.363949][T11276]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  637.363952][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.363954][T11276]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  637.363957][T11276]  ? 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)
[  637.363959][T11276]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  637.363962][T11276]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  637.363965][T11276]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  637.363968][T11276]  vprintk_emit (kernel/printk/printk.c:2479)
[  637.363971][T11276]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  637.363974][T11276]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  637.363977][T11276]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  637.363982][T11276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.363985][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.363988][T11276]  _printk (kernel/printk/printk.c:2504)
[  637.363993][T11276]  ? snapshot_read.cold (user.c:?)
[  637.363996][T11276]  ? br_multicast_flood (??:?)
[  637.364001][T11276]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  637.364004][T11276]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  637.364007][T11276]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  637.364010][T11276]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  637.364015][T11276]  br_init_port (net/bridge/br_stp_if.c:39)
[  637.364018][T11276]  new_nbp (net/bridge/br_if.c:449)
[  637.364021][T11276]  br_add_if (net/bridge/br_if.c:592)
[  637.364024][T11276]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  637.364031][T11276]  do_set_master (net/core/rtnetlink.c:3071)
[  637.364034][T11276]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  637.364037][T11276]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  637.364040][T11276]  ? __dev_get_by_name (net/core/dev.c:905)
[  637.364043][T11276]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  637.364049][T11276]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  637.364054][T11276]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  637.364058][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.364060][T11276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  637.364062][T11276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.364065][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.364068][T11276]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  637.364072][T11276]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  637.364076][T11276]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  637.364079][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.364081][T11276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.364084][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.364086][T11276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  637.364089][T11276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  637.364092][T11276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  637.364095][T11276]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  637.364097][T11276]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  637.364103][T11276]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  637.364107][T11276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  637.364110][T11276]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  637.364113][T11276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  637.364115][T11276]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  637.364120][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.364123][T11276]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  637.364127][T11276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  637.364130][T11276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  637.364134][T11276]  ? next_uptodate_folio (mm/filemap.c:3747)
[  637.364138][T11276]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  637.364143][T11276]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  637.364146][T11276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.364149][T11276]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  637.364154][T11276]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  637.364159][T11276]  ____sys_sendmsg (net/socket.c:2713)
[  637.364161][T11276]  ? copy_msghdr_from_user (net/socket.c:2650)
[  637.364165][T11276]  ? sock_write_iter (net/socket.c:1269)
[  637.364167][T11276]  ? move_addr_to_kernel (net/socket.c:258)
[  637.364171][T11276]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  637.364175][T11276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  637.364178][T11276]  ___sys_sendmsg (net/socket.c:2767)
[  637.364181][T11276]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  637.364184][T11276]  ? copy_msghdr_from_user (net/socket.c:2619)
[  637.364187][T11276]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  637.364195][T11276]  __sys_sendmsg (net/socket.c:2799)
[  637.364199][T11276]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  637.364203][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.364206][T11276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  637.364209][T11276]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  637.364212][T11276]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  637.364216][T11276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  637.364219][T11276] RIP: 0033:0x7faeedf8554e
[  637.364223][T11276] 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
[  637.364226][T11276] RSP: 002b:00007ffc557d0280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  637.364232][T11276] RAX: ffffffffffffffda RBX: 00007ffc557d0a48 RCX: 00007faeedf8554e
[  637.364234][T11276] RDX: 0000000000000000 RSI: 00007ffc557d0330 RDI: 0000000000000005
[  637.364236][T11276] RBP: 00007ffc557d0290 R08: 0000000000000000 R09: 0000000000000000
[  637.364238][T11276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915276
[  637.364240][T11276] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc557d0a00
| [  639.317577][T11345] softirqs last disabled at (0): 0x0
| [  639.317579][T11345] Preemption disabled at:
| [  639.317579][T11345] vprintk_emit (kernel/printk/printk.c:2471)
| [  639.317590][T11345] Tainted: [W]=WARN
[  639.317591][T11345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  639.317593][T11345] Call Trace:
[  639.317595][T11345]  <TASK>
[  639.317596][T11345]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  639.317602][T11345]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  639.317604][T11345]  __might_resched.cold (kernel/sched/core.c:9234)
[  639.317608][T11345]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  639.317611][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317614][T11345]  __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))
[  639.317617][T11345]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.317621][T11345]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.317626][T11345]  ? 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)
[  639.317628][T11345]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  639.317631][T11345]  put_chars (drivers/char/virtio_console.c:1176)
[  639.317633][T11345]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  639.317634][T11345]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  639.317637][T11345]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  639.317639][T11345]  ? pointer (lib/vsprintf.c:2577)
[  639.317643][T11345]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  639.317648][T11345]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  639.317650][T11345]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.317652][T11345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.317655][T11345]  console_emit_next_record (kernel/printk/printk.c:3183)
[  639.317658][T11345]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  639.317660][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317661][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317662][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317664][T11345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.317666][T11345]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  639.317668][T11345]  console_flush_one_record (kernel/printk/printk.c:3268)
[  639.317670][T11345]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  639.317673][T11345]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  639.317675][T11345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.317677][T11345]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  639.317679][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317680][T11345]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.317682][T11345]  ? 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)
[  639.317684][T11345]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  639.317685][T11345]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  639.317687][T11345]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  639.317689][T11345]  vprintk_emit (kernel/printk/printk.c:2479)
[  639.317691][T11345]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  639.317692][T11345]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  639.317695][T11345]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  639.317698][T11345]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  639.317701][T11345]  _printk (kernel/printk/printk.c:2504)
[  639.317704][T11345]  ? snapshot_read.cold (user.c:?)
[  639.317706][T11345]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  639.317709][T11345]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  639.317712][T11345]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  639.317714][T11345]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  639.317718][T11345]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  639.317720][T11345]  ? netdev_notice (net/core/dev.c:13194)
[  639.317722][T11345]  ? 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)
[  639.317724][T11345]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  639.317727][T11345]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  639.317729][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317730][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317731][T11345]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  639.317733][T11345]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  639.317735][T11345]  ? 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)
[  639.317736][T11345]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  639.317737][T11345]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  639.317739][T11345]  ? register_netdev (net/core/dev.c:11618)
[  639.317741][T11345]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.317743][T11345]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  639.317746][T11345]  ? __kernel_text_address (kernel/extable.c:79)
[  639.317749][T11345]  ? write_profile (profile.c:?)
[  639.317752][T11345]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  639.317755][T11345]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  639.317757][T11345]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  639.317759][T11345]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  639.317761][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317762][T11345]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  639.317765][T11345]  ? kasan_save_stack (mm/kasan/common.c:58)
[  639.317767][T11345]  ? kasan_save_stack (mm/kasan/common.c:57)
[  639.317769][T11345]  ? kasan_save_track (mm/kasan/common.c:78)
[  639.317770][T11345]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  639.317771][T11345]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  639.317773][T11345]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  639.317774][T11345]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  639.317775][T11345]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  639.317778][T11345]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  639.317780][T11345]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  639.317782][T11345]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  639.317785][T11345]  ? ____sys_sendmsg (net/socket.c:2713)
[  639.317786][T11345]  ? ___sys_sendmsg (net/socket.c:2767)
[  639.317788][T11345]  ? __sys_sendmsg (net/socket.c:2799)
[  639.317790][T11345]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  639.317792][T11345]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  639.317795][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317796][T11345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.317798][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317799][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317800][T11345]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  639.317802][T11345]  ? __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)
[  639.317803][T11345]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  639.317804][T11345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  639.317806][T11345]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  639.317807][T11345]  ? nla_get_range_signed (lib/nlattr.c:270)
[  639.317811][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317812][T11345]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  639.317814][T11345]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  639.317816][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317818][T11345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.317819][T11345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.317821][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317823][T11345]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  639.317825][T11345]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  639.317826][T11345]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  639.317828][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317829][T11345]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  639.317833][T11345]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  639.317835][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317836][T11345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.317838][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317839][T11345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  639.317841][T11345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  639.317843][T11345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  639.317844][T11345]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  639.317846][T11345]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  639.317849][T11345]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  639.317851][T11345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  639.317852][T11345]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.317854][T11345]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  639.317856][T11345]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  639.317859][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317860][T11345]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  639.317863][T11345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  639.317865][T11345]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  639.317867][T11345]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  639.317869][T11345]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  639.317871][T11345]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  639.317873][T11345]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  639.317875][T11345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  639.317877][T11345]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  639.317880][T11345]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  639.317882][T11345]  ____sys_sendmsg (net/socket.c:2713)
[  639.317884][T11345]  ? copy_msghdr_from_user (net/socket.c:2650)
[  639.317886][T11345]  ? sock_write_iter (net/socket.c:1269)
[  639.317887][T11345]  ? move_addr_to_kernel (net/socket.c:258)
[  639.317889][T11345]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  639.317892][T11345]  ___sys_sendmsg (net/socket.c:2767)
[  639.317894][T11345]  ? copy_msghdr_from_user (net/socket.c:2619)
[  639.317899][T11345]  __sys_sendmsg (net/socket.c:2799)
[  639.317901][T11345]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  639.317904][T11345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  639.317906][T11345]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  639.317908][T11345]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  639.317910][T11345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  639.317912][T11345] RIP: 0033:0x7fe6344f954e
[  639.317914][T11345] 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
[  639.317916][T11345] RSP: 002b:00007ffee27578b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  639.317920][T11345] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe6344f954e
[  639.317922][T11345] RDX: 0000000000000000 RSI: 00007ffee2757960 RDI: 0000000000000005
[  639.317923][T11345] RBP: 00007ffee27578c0 R08: 0000000000000000 R09: 0000000000000000
[  639.317924][T11345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915278
[  639.317925][T11345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee2758020
| [  641.110663][T11395] softirqs last disabled at (0): 0x0
| [  641.110666][T11395] Preemption disabled at:
| [  641.110667][T11395] vprintk_emit (kernel/printk/printk.c:2471)
| [  641.110681][T11395] Tainted: [W]=WARN
[  641.110683][T11395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  641.110686][T11395] Call Trace:
[  641.110688][T11395]  <TASK>
[  641.110690][T11395]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  641.110697][T11395]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  641.110699][T11395]  __might_resched.cold (kernel/sched/core.c:9234)
[  641.110704][T11395]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  641.110707][T11395]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  641.110712][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110716][T11395]  __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))
[  641.110720][T11395]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  641.110724][T11395]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  641.110731][T11395]  ? 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)
[  641.110733][T11395]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  641.110737][T11395]  put_chars (drivers/char/virtio_console.c:1176)
[  641.110740][T11395]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  641.110743][T11395]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  641.110747][T11395]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  641.110753][T11395]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  641.110756][T11395]  ? vsnprintf (lib/vsprintf.c:2900)
[  641.110761][T11395]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  641.110763][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110765][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110768][T11395]  console_emit_next_record (kernel/printk/printk.c:3183)
[  641.110773][T11395]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  641.110776][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110778][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110780][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110783][T11395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.110787][T11395]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  641.110789][T11395]  console_flush_one_record (kernel/printk/printk.c:3268)
[  641.110793][T11395]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  641.110798][T11395]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  641.110801][T11395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.110803][T11395]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  641.110806][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110808][T11395]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  641.110811][T11395]  ? 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)
[  641.110813][T11395]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  641.110816][T11395]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  641.110819][T11395]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  641.110822][T11395]  vprintk_emit (kernel/printk/printk.c:2479)
[  641.110825][T11395]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  641.110827][T11395]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  641.110830][T11395]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  641.110834][T11395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.110837][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110839][T11395]  _printk (kernel/printk/printk.c:2504)
[  641.110844][T11395]  ? snapshot_read.cold (user.c:?)
[  641.110847][T11395]  ? br_multicast_flood (??:?)
[  641.110852][T11395]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  641.110856][T11395]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  641.110858][T11395]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  641.110861][T11395]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  641.110865][T11395]  br_init_port (net/bridge/br_stp_if.c:39)
[  641.110868][T11395]  new_nbp (net/bridge/br_if.c:449)
[  641.110872][T11395]  br_add_if (net/bridge/br_if.c:592)
[  641.110875][T11395]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  641.110881][T11395]  do_set_master (net/core/rtnetlink.c:3071)
[  641.110885][T11395]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  641.110888][T11395]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  641.110891][T11395]  ? __dev_get_by_name (net/core/dev.c:905)
[  641.110893][T11395]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  641.110900][T11395]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  641.110904][T11395]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  641.110908][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110911][T11395]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  641.110913][T11395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.110916][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110918][T11395]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  641.110922][T11395]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  641.110926][T11395]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  641.110929][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110932][T11395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.110935][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110937][T11395]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  641.110940][T11395]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  641.110943][T11395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  641.110945][T11395]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  641.110948][T11395]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  641.110954][T11395]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  641.110959][T11395]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  641.110961][T11395]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  641.110964][T11395]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  641.110967][T11395]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  641.110972][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.110974][T11395]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  641.110979][T11395]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  641.110984][T11395]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  641.110988][T11395]  ? next_uptodate_folio (mm/filemap.c:3747)
[  641.110993][T11395]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  641.110996][T11395]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  641.111000][T11395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.111002][T11395]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  641.111008][T11395]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  641.111012][T11395]  ____sys_sendmsg (net/socket.c:2713)
[  641.111015][T11395]  ? copy_msghdr_from_user (net/socket.c:2650)
[  641.111018][T11395]  ? sock_write_iter (net/socket.c:1269)
[  641.111021][T11395]  ? move_addr_to_kernel (net/socket.c:258)
[  641.111024][T11395]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  641.111028][T11395]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  641.111031][T11395]  ___sys_sendmsg (net/socket.c:2767)
[  641.111034][T11395]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  641.111037][T11395]  ? copy_msghdr_from_user (net/socket.c:2619)
[  641.111040][T11395]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  641.111048][T11395]  __sys_sendmsg (net/socket.c:2799)
[  641.111052][T11395]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  641.111056][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.111058][T11395]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  641.111061][T11395]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  641.111065][T11395]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  641.111069][T11395]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  641.111072][T11395] RIP: 0033:0x7f9c4542a54e
[  641.111076][T11395] 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
[  641.111079][T11395] RSP: 002b:00007ffe899b8300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  641.111083][T11395] RAX: ffffffffffffffda RBX: 00007ffe899b8ac8 RCX: 00007f9c4542a54e
[  641.111086][T11395] RDX: 0000000000000000 RSI: 00007ffe899b83b0 RDI: 0000000000000005
[  641.111088][T11395] RBP: 00007ffe899b8310 R08: 0000000000000000 R09: 0000000000000000
[  641.111089][T11395] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91527a
[  641.111091][T11395] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe899b8a80
| [  648.364037][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  648.364040][   T12] Preemption disabled at:
| [  648.364040][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  648.364052][   T12] Tainted: [W]=WARN
[  648.364053][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  648.364055][   T12] Workqueue: netns cleanup_net
[  648.364061][   T12] Call Trace:
[  648.364063][   T12]  <TASK>
[  648.364065][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  648.364071][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  648.364073][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  648.364076][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  648.364079][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  648.364082][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.364085][   T12]  __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))
[  648.364088][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  648.364091][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.364096][   T12]  ? 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)
[  648.364098][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  648.364101][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  648.364103][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  648.364105][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  648.364108][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  648.364113][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  648.364115][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  648.364117][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  648.364119][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.364121][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.364123][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  648.364126][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  648.364128][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.364129][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.364130][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.364131][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.364134][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  648.364136][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  648.364138][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  648.364142][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  648.364144][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.364145][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  648.364147][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.364149][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  648.364150][   T12]  ? 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)
[  648.364152][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  648.364154][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  648.364156][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  648.364157][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  648.364159][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  648.364160][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  648.364162][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  648.364165][   T12]  ? kthread (kernel/kthread.c:436)
[  648.364168][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  648.364171][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  648.364174][   T12]  _printk (kernel/printk/printk.c:2504)
[  648.364177][   T12]  ? snapshot_read.cold (user.c:?)
[  648.364179][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  648.364183][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  648.364185][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  648.364188][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  648.364190][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.364192][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  648.364193][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  648.364197][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  648.364198][   T12]  ? 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)
[  648.364200][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  648.364202][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  648.364205][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  648.364209][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  648.364212][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  648.364215][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  648.364217][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  648.364219][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  648.364222][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  648.364224][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  648.364227][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  648.364229][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  648.364230][   T12]  process_one_work (kernel/workqueue.c:3387)
[  648.364234][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  648.364237][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  648.364240][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  648.364243][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  648.364245][   T12]  kthread (kernel/kthread.c:436)
[  648.364247][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  648.364249][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  648.364251][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  648.364253][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  648.364255][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  648.364258][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  648.364260][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  649.390982][T11513] softirqs last disabled at (0): 0x0
| [  649.390985][T11513] Preemption disabled at:
| [  649.390986][T11513] vprintk_emit (kernel/printk/printk.c:2471)
| [  649.391001][T11513] Tainted: [W]=WARN
[  649.391002][T11513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  649.391005][T11513] Call Trace:
[  649.391007][T11513]  <TASK>
[  649.391009][T11513]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  649.391017][T11513]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  649.391020][T11513]  __might_resched.cold (kernel/sched/core.c:9234)
[  649.391025][T11513]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  649.391030][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391034][T11513]  __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))
[  649.391038][T11513]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.391042][T11513]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  649.391049][T11513]  ? 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)
[  649.391053][T11513]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  649.391057][T11513]  put_chars (drivers/char/virtio_console.c:1176)
[  649.391060][T11513]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  649.391062][T11513]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  649.391066][T11513]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  649.391069][T11513]  ? pointer (lib/vsprintf.c:2577)
[  649.391074][T11513]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  649.391081][T11513]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  649.391084][T11513]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.391088][T11513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.391092][T11513]  console_emit_next_record (kernel/printk/printk.c:3183)
[  649.391096][T11513]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  649.391100][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391102][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391104][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391107][T11513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.391110][T11513]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  649.391114][T11513]  console_flush_one_record (kernel/printk/printk.c:3268)
[  649.391118][T11513]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  649.391123][T11513]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  649.391126][T11513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.391129][T11513]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  649.391132][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391134][T11513]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.391137][T11513]  ? 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)
[  649.391140][T11513]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  649.391143][T11513]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  649.391147][T11513]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  649.391149][T11513]  vprintk_emit (kernel/printk/printk.c:2479)
[  649.391153][T11513]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  649.391156][T11513]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  649.391160][T11513]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  649.391164][T11513]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  649.391168][T11513]  _printk (kernel/printk/printk.c:2504)
[  649.391173][T11513]  ? snapshot_read.cold (user.c:?)
[  649.391176][T11513]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  649.391180][T11513]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  649.391184][T11513]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  649.391188][T11513]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  649.391192][T11513]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  649.391196][T11513]  ? netdev_notice (net/core/dev.c:13194)
[  649.391200][T11513]  ? 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)
[  649.391203][T11513]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  649.391207][T11513]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  649.391210][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391212][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391215][T11513]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  649.391218][T11513]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  649.391221][T11513]  ? 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)
[  649.391223][T11513]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  649.391226][T11513]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  649.391229][T11513]  ? register_netdev (net/core/dev.c:11618)
[  649.391232][T11513]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.391235][T11513]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  649.391240][T11513]  ? __kernel_text_address (kernel/extable.c:79)
[  649.391244][T11513]  ? write_profile (profile.c:?)
[  649.391248][T11513]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  649.391253][T11513]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  649.391257][T11513]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  649.391260][T11513]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  649.391262][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391265][T11513]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  649.391270][T11513]  ? kasan_save_stack (mm/kasan/common.c:58)
[  649.391273][T11513]  ? kasan_save_stack (mm/kasan/common.c:57)
[  649.391275][T11513]  ? kasan_save_track (mm/kasan/common.c:78)
[  649.391278][T11513]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  649.391280][T11513]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  649.391283][T11513]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  649.391285][T11513]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  649.391287][T11513]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  649.391291][T11513]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  649.391294][T11513]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  649.391297][T11513]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  649.391301][T11513]  ? ____sys_sendmsg (net/socket.c:2713)
[  649.391303][T11513]  ? ___sys_sendmsg (net/socket.c:2767)
[  649.391306][T11513]  ? __sys_sendmsg (net/socket.c:2799)
[  649.391308][T11513]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  649.391312][T11513]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  649.391316][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391319][T11513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.391321][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391323][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391325][T11513]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  649.391328][T11513]  ? __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)
[  649.391330][T11513]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  649.391333][T11513]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  649.391336][T11513]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  649.391338][T11513]  ? nla_get_range_signed (lib/nlattr.c:270)
[  649.391343][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391346][T11513]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  649.391350][T11513]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  649.391353][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391356][T11513]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  649.391358][T11513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.391361][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391364][T11513]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  649.391368][T11513]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  649.391370][T11513]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  649.391373][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391375][T11513]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  649.391379][T11513]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  649.391383][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391385][T11513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.391388][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391391][T11513]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  649.391393][T11513]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  649.391397][T11513]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  649.391403][T11513]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  649.391406][T11513]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  649.391410][T11513]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  649.391414][T11513]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  649.391416][T11513]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.391419][T11513]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  649.391422][T11513]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  649.391427][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391430][T11513]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  649.391433][T11513]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  649.391437][T11513]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  649.391441][T11513]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  649.391445][T11513]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  649.391449][T11513]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  649.391451][T11513]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  649.391459][T11513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  649.391462][T11513]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  649.391467][T11513]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  649.391471][T11513]  ____sys_sendmsg (net/socket.c:2713)
[  649.391474][T11513]  ? copy_msghdr_from_user (net/socket.c:2650)
[  649.391477][T11513]  ? sock_write_iter (net/socket.c:1269)
[  649.391480][T11513]  ? move_addr_to_kernel (net/socket.c:258)
[  649.391482][T11513]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  649.391487][T11513]  ___sys_sendmsg (net/socket.c:2767)
[  649.391491][T11513]  ? copy_msghdr_from_user (net/socket.c:2619)
[  649.391500][T11513]  __sys_sendmsg (net/socket.c:2799)
[  649.391504][T11513]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  649.391509][T11513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  649.391512][T11513]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  649.391515][T11513]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  649.391518][T11513]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  649.391521][T11513] RIP: 0033:0x7f857533c54e
[  649.391525][T11513] 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
[  649.391528][T11513] RSP: 002b:00007ffc3ac4eb00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  649.391533][T11513] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f857533c54e
[  649.391535][T11513] RDX: 0000000000000000 RSI: 00007ffc3ac4ebb0 RDI: 0000000000000005
[  649.391537][T11513] RBP: 00007ffc3ac4eb10 R08: 0000000000000000 R09: 0000000000000000
[  649.391539][T11513] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915282
[  649.391540][T11513] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3ac4f270
| [  651.086979][T11587] softirqs last disabled at (0): 0x0
| [  651.086982][T11587] Preemption disabled at:
| [  651.086983][T11587] vprintk_emit (kernel/printk/printk.c:2471)
| [  651.086997][T11587] Tainted: [W]=WARN
[  651.086999][T11587] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  651.087001][T11587] Call Trace:
[  651.087004][T11587]  <TASK>
[  651.087005][T11587]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  651.087012][T11587]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  651.087015][T11587]  __might_resched.cold (kernel/sched/core.c:9234)
[  651.087019][T11587]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  651.087021][T11587]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  651.087024][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087027][T11587]  __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))
[  651.087030][T11587]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.087034][T11587]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.087039][T11587]  ? 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)
[  651.087041][T11587]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  651.087044][T11587]  put_chars (drivers/char/virtio_console.c:1176)
[  651.087046][T11587]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  651.087048][T11587]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  651.087051][T11587]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  651.087055][T11587]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  651.087057][T11587]  ? vsnprintf (lib/vsprintf.c:2900)
[  651.087061][T11587]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.087063][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087064][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087066][T11587]  console_emit_next_record (kernel/printk/printk.c:3183)
[  651.087069][T11587]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  651.087071][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087072][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087073][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087074][T11587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.087077][T11587]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  651.087079][T11587]  console_flush_one_record (kernel/printk/printk.c:3268)
[  651.087081][T11587]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  651.087084][T11587]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  651.087087][T11587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.087088][T11587]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  651.087090][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087091][T11587]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.087093][T11587]  ? 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)
[  651.087095][T11587]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  651.087096][T11587]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  651.087099][T11587]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  651.087100][T11587]  vprintk_emit (kernel/printk/printk.c:2479)
[  651.087102][T11587]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  651.087103][T11587]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  651.087105][T11587]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  651.087108][T11587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.087110][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087111][T11587]  _printk (kernel/printk/printk.c:2504)
[  651.087115][T11587]  ? snapshot_read.cold (user.c:?)
[  651.087117][T11587]  ? br_multicast_flood (??:?)
[  651.087121][T11587]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  651.087124][T11587]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  651.087125][T11587]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  651.087127][T11587]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  651.087130][T11587]  br_init_port (net/bridge/br_stp_if.c:39)
[  651.087132][T11587]  new_nbp (net/bridge/br_if.c:449)
[  651.087134][T11587]  br_add_if (net/bridge/br_if.c:592)
[  651.087136][T11587]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  651.087141][T11587]  do_set_master (net/core/rtnetlink.c:3071)
[  651.087143][T11587]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  651.087145][T11587]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  651.087146][T11587]  ? __dev_get_by_name (net/core/dev.c:905)
[  651.087148][T11587]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  651.087152][T11587]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  651.087155][T11587]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  651.087157][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087159][T11587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.087160][T11587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.087162][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087163][T11587]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  651.087166][T11587]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  651.087168][T11587]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  651.087170][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087171][T11587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.087173][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087174][T11587]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  651.087176][T11587]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  651.087178][T11587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.087179][T11587]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  651.087181][T11587]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  651.087185][T11587]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  651.087188][T11587]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  651.087189][T11587]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.087191][T11587]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  651.087193][T11587]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  651.087196][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087198][T11587]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  651.087200][T11587]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  651.087202][T11587]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  651.087204][T11587]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  651.087207][T11587]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  651.087210][T11587]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  651.087213][T11587]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  651.087215][T11587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.087216][T11587]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  651.087220][T11587]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  651.087223][T11587]  ____sys_sendmsg (net/socket.c:2713)
[  651.087225][T11587]  ? copy_msghdr_from_user (net/socket.c:2650)
[  651.087227][T11587]  ? sock_write_iter (net/socket.c:1269)
[  651.087229][T11587]  ? move_addr_to_kernel (net/socket.c:258)
[  651.087231][T11587]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  651.087234][T11587]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  651.087236][T11587]  ___sys_sendmsg (net/socket.c:2767)
[  651.087238][T11587]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  651.087240][T11587]  ? copy_msghdr_from_user (net/socket.c:2619)
[  651.087242][T11587]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  651.087246][T11587]  __sys_sendmsg (net/socket.c:2799)
[  651.087249][T11587]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  651.087252][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087253][T11587]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  651.087254][T11587]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  651.087257][T11587]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  651.087260][T11587]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  651.087262][T11587] RIP: 0033:0x7f04f097e54e
[  651.087264][T11587] 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
[  651.087266][T11587] RSP: 002b:00007fffcede6a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  651.087270][T11587] RAX: ffffffffffffffda RBX: 00007fffcede7218 RCX: 00007f04f097e54e
[  651.087272][T11587] RDX: 0000000000000000 RSI: 00007fffcede6b00 RDI: 0000000000000005
[  651.087273][T11587] RBP: 00007fffcede6a60 R08: 0000000000000000 R09: 0000000000000000
[  651.087274][T11587] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915284
[  651.087275][T11587] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffcede71d0
| [  652.737053][T11653] softirqs last disabled at (0): 0x0
| [  652.737055][T11653] Preemption disabled at:
| [  652.737055][T11653] vprintk_emit (kernel/printk/printk.c:2471)
| [  652.737066][T11653] Tainted: [W]=WARN
[  652.737067][T11653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  652.737069][T11653] Call Trace:
[  652.737071][T11653]  <TASK>
[  652.737073][T11653]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  652.737079][T11653]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  652.737081][T11653]  __might_resched.cold (kernel/sched/core.c:9234)
[  652.737084][T11653]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  652.737087][T11653]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  652.737091][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737093][T11653]  __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))
[  652.737096][T11653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.737100][T11653]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  652.737105][T11653]  ? 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)
[  652.737107][T11653]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  652.737110][T11653]  put_chars (drivers/char/virtio_console.c:1176)
[  652.737112][T11653]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  652.737114][T11653]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  652.737118][T11653]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  652.737123][T11653]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  652.737124][T11653]  ? vsnprintf (lib/vsprintf.c:2900)
[  652.737128][T11653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.737130][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737131][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737133][T11653]  console_emit_next_record (kernel/printk/printk.c:3183)
[  652.737136][T11653]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  652.737138][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737139][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737140][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737142][T11653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.737144][T11653]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  652.737146][T11653]  console_flush_one_record (kernel/printk/printk.c:3268)
[  652.737149][T11653]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  652.737152][T11653]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  652.737154][T11653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.737156][T11653]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  652.737158][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737159][T11653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.737161][T11653]  ? 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)
[  652.737162][T11653]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  652.737164][T11653]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  652.737166][T11653]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  652.737168][T11653]  vprintk_emit (kernel/printk/printk.c:2479)
[  652.737170][T11653]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  652.737171][T11653]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  652.737173][T11653]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  652.737176][T11653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.737178][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737180][T11653]  _printk (kernel/printk/printk.c:2504)
[  652.737183][T11653]  ? snapshot_read.cold (user.c:?)
[  652.737185][T11653]  ? br_multicast_flood (??:?)
[  652.737188][T11653]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  652.737191][T11653]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  652.737193][T11653]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  652.737195][T11653]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  652.737198][T11653]  br_init_port (net/bridge/br_stp_if.c:39)
[  652.737200][T11653]  new_nbp (net/bridge/br_if.c:449)
[  652.737203][T11653]  br_add_if (net/bridge/br_if.c:592)
[  652.737205][T11653]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  652.737209][T11653]  do_set_master (net/core/rtnetlink.c:3071)
[  652.737211][T11653]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  652.737213][T11653]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  652.737215][T11653]  ? __dev_get_by_name (net/core/dev.c:905)
[  652.737217][T11653]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  652.737221][T11653]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  652.737224][T11653]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  652.737226][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737228][T11653]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  652.737229][T11653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.737231][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737232][T11653]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  652.737235][T11653]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  652.737237][T11653]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  652.737239][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737241][T11653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.737242][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737244][T11653]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  652.737245][T11653]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  652.737247][T11653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  652.737249][T11653]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  652.737250][T11653]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  652.737254][T11653]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  652.737257][T11653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  652.737259][T11653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.737261][T11653]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  652.737263][T11653]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  652.737266][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737268][T11653]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  652.737270][T11653]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  652.737272][T11653]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  652.737275][T11653]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  652.737277][T11653]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  652.737280][T11653]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  652.737283][T11653]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  652.737285][T11653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.737286][T11653]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  652.737290][T11653]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  652.737293][T11653]  ____sys_sendmsg (net/socket.c:2713)
[  652.737295][T11653]  ? copy_msghdr_from_user (net/socket.c:2650)
[  652.737297][T11653]  ? sock_write_iter (net/socket.c:1269)
[  652.737299][T11653]  ? move_addr_to_kernel (net/socket.c:258)
[  652.737301][T11653]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  652.737304][T11653]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  652.737306][T11653]  ___sys_sendmsg (net/socket.c:2767)
[  652.737308][T11653]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  652.737310][T11653]  ? copy_msghdr_from_user (net/socket.c:2619)
[  652.737312][T11653]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  652.737317][T11653]  __sys_sendmsg (net/socket.c:2799)
[  652.737319][T11653]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  652.737322][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737323][T11653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  652.737325][T11653]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  652.737327][T11653]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  652.737330][T11653]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  652.737332][T11653] RIP: 0033:0x7f5bd4fe754e
[  652.737334][T11653] 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
[  652.737336][T11653] RSP: 002b:00007fff57447040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  652.737340][T11653] RAX: ffffffffffffffda RBX: 00007fff57447808 RCX: 00007f5bd4fe754e
[  652.737342][T11653] RDX: 0000000000000000 RSI: 00007fff574470f0 RDI: 0000000000000005
[  652.737343][T11653] RBP: 00007fff57447050 R08: 0000000000000000 R09: 0000000000000000
[  652.737343][T11653] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915286
[  652.737345][T11653] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff574477c0
| [  660.937501][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  660.937504][   T12] Preemption disabled at:
| [  660.937506][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  660.937526][   T12] Tainted: [W]=WARN
[  660.937527][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  660.937530][   T12] Workqueue: netns cleanup_net
[  660.937537][   T12] Call Trace:
[  660.937540][   T12]  <TASK>
[  660.937542][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  660.937549][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  660.937552][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  660.937556][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  660.937559][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  660.937564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.937568][   T12]  __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))
[  660.937572][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.937576][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.937582][   T12]  ? 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)
[  660.937585][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  660.937589][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  660.937592][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  660.937595][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  660.937599][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  660.937605][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  660.937608][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  660.937612][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.937614][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.937617][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.937620][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  660.937624][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  660.937628][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.937630][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.937632][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.937634][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.937637][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  660.937640][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  660.937644][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  660.937649][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  660.937652][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.937655][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  660.937658][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.937660][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  660.937662][   T12]  ? 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)
[  660.937665][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  660.937668][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  660.937671][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  660.937673][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  660.937676][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  660.937679][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  660.937681][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  660.937685][   T12]  ? kthread (kernel/kthread.c:436)
[  660.937688][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  660.937692][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  660.937696][   T12]  _printk (kernel/printk/printk.c:2504)
[  660.937701][   T12]  ? snapshot_read.cold (user.c:?)
[  660.937704][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  660.937709][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  660.937712][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  660.937716][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  660.937720][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.937722][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  660.937724][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  660.937729][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  660.937731][   T12]  ? 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)
[  660.937734][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  660.937738][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  660.937742][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  660.937747][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  660.937750][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  660.937754][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  660.937758][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  660.937761][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  660.937765][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  660.937769][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  660.937772][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  660.937775][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  660.937778][   T12]  process_one_work (kernel/workqueue.c:3387)
[  660.937783][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  660.937787][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  660.937792][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  660.937797][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  660.937800][   T12]  kthread (kernel/kthread.c:436)
[  660.937802][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  660.937805][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  660.937808][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  660.937811][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  660.937815][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  660.937819][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  660.937822][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  662.008996][T11802] softirqs last disabled at (0): 0x0
| [  662.008999][T11802] Preemption disabled at:
| [  662.009000][T11802] vprintk_emit (kernel/printk/printk.c:2471)
| [  662.009013][T11802] Tainted: [W]=WARN
[  662.009014][T11802] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  662.009016][T11802] Call Trace:
[  662.009019][T11802]  <TASK>
[  662.009020][T11802]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  662.009027][T11802]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  662.009030][T11802]  __might_resched.cold (kernel/sched/core.c:9234)
[  662.009035][T11802]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  662.009040][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009044][T11802]  __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))
[  662.009048][T11802]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  662.009052][T11802]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  662.009058][T11802]  ? 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)
[  662.009060][T11802]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  662.009064][T11802]  put_chars (drivers/char/virtio_console.c:1176)
[  662.009067][T11802]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  662.009069][T11802]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  662.009073][T11802]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  662.009077][T11802]  ? pointer (lib/vsprintf.c:2577)
[  662.009082][T11802]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  662.009088][T11802]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  662.009091][T11802]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  662.009095][T11802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.009099][T11802]  console_emit_next_record (kernel/printk/printk.c:3183)
[  662.009103][T11802]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  662.009107][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009108][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009110][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009112][T11802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.009115][T11802]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  662.009118][T11802]  console_flush_one_record (kernel/printk/printk.c:3268)
[  662.009122][T11802]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  662.009126][T11802]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  662.009129][T11802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.009131][T11802]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  662.009134][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009136][T11802]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  662.009139][T11802]  ? 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)
[  662.009142][T11802]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  662.009145][T11802]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  662.009148][T11802]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  662.009151][T11802]  vprintk_emit (kernel/printk/printk.c:2479)
[  662.009154][T11802]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  662.009156][T11802]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  662.009159][T11802]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  662.009163][T11802]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  662.009167][T11802]  _printk (kernel/printk/printk.c:2504)
[  662.009171][T11802]  ? snapshot_read.cold (user.c:?)
[  662.009174][T11802]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  662.009177][T11802]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  662.009181][T11802]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  662.009185][T11802]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  662.009189][T11802]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  662.009193][T11802]  ? netdev_notice (net/core/dev.c:13194)
[  662.009197][T11802]  ? 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)
[  662.009199][T11802]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  662.009203][T11802]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  662.009205][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009207][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009209][T11802]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  662.009211][T11802]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  662.009214][T11802]  ? 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)
[  662.009217][T11802]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  662.009219][T11802]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  662.009222][T11802]  ? register_netdev (net/core/dev.c:11618)
[  662.009225][T11802]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  662.009228][T11802]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  662.009232][T11802]  ? __kernel_text_address (kernel/extable.c:79)
[  662.009236][T11802]  ? write_profile (profile.c:?)
[  662.009241][T11802]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  662.009246][T11802]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  662.009250][T11802]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  662.009253][T11802]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  662.009255][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009257][T11802]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  662.009261][T11802]  ? kasan_save_stack (mm/kasan/common.c:58)
[  662.009264][T11802]  ? kasan_save_stack (mm/kasan/common.c:57)
[  662.009266][T11802]  ? kasan_save_track (mm/kasan/common.c:78)
[  662.009268][T11802]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  662.009270][T11802]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  662.009272][T11802]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  662.009274][T11802]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  662.009276][T11802]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  662.009279][T11802]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  662.009282][T11802]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  662.009285][T11802]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  662.009288][T11802]  ? ____sys_sendmsg (net/socket.c:2713)
[  662.009291][T11802]  ? ___sys_sendmsg (net/socket.c:2767)
[  662.009293][T11802]  ? __sys_sendmsg (net/socket.c:2799)
[  662.009296][T11802]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  662.009300][T11802]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  662.009304][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009306][T11802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.009308][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009310][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009312][T11802]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  662.009314][T11802]  ? __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)
[  662.009320][T11802]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  662.009322][T11802]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  662.009325][T11802]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  662.009327][T11802]  ? nla_get_range_signed (lib/nlattr.c:270)
[  662.009332][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009335][T11802]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  662.009339][T11802]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  662.009343][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009345][T11802]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  662.009348][T11802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.009351][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009353][T11802]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  662.009357][T11802]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  662.009360][T11802]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  662.009362][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009365][T11802]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  662.009369][T11802]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  662.009373][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009375][T11802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.009377][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009379][T11802]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  662.009382][T11802]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  662.009385][T11802]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  662.009387][T11802]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  662.009390][T11802]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  662.009395][T11802]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  662.009398][T11802]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  662.009400][T11802]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  662.009403][T11802]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  662.009405][T11802]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  662.009410][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009412][T11802]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  662.009415][T11802]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  662.009419][T11802]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  662.009422][T11802]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  662.009425][T11802]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  662.009428][T11802]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  662.009431][T11802]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  662.009434][T11802]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  662.009437][T11802]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  662.009441][T11802]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  662.009445][T11802]  ____sys_sendmsg (net/socket.c:2713)
[  662.009448][T11802]  ? copy_msghdr_from_user (net/socket.c:2650)
[  662.009451][T11802]  ? sock_write_iter (net/socket.c:1269)
[  662.009453][T11802]  ? move_addr_to_kernel (net/socket.c:258)
[  662.009456][T11802]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  662.009461][T11802]  ___sys_sendmsg (net/socket.c:2767)
[  662.009465][T11802]  ? copy_msghdr_from_user (net/socket.c:2619)
[  662.009473][T11802]  __sys_sendmsg (net/socket.c:2799)
[  662.009476][T11802]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  662.009480][T11802]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  662.009483][T11802]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  662.009486][T11802]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  662.009489][T11802]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  662.009491][T11802] RIP: 0033:0x7f494b00754e
[  662.009495][T11802] 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
[  662.009498][T11802] RSP: 002b:00007ffd32758900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  662.009503][T11802] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f494b00754e
[  662.009505][T11802] RDX: 0000000000000000 RSI: 00007ffd327589b0 RDI: 0000000000000005
[  662.009507][T11802] RBP: 00007ffd32758910 R08: 0000000000000000 R09: 0000000000000000
[  662.009509][T11802] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91528f
[  662.009511][T11802] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd32759070
| [  663.704341][T11876] softirqs last disabled at (0): 0x0
| [  663.704344][T11876] Preemption disabled at:
| [  663.704345][T11876] vprintk_emit (kernel/printk/printk.c:2471)
| [  663.704358][T11876] Tainted: [W]=WARN
[  663.704360][T11876] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  663.704362][T11876] Call Trace:
[  663.704365][T11876]  <TASK>
[  663.704366][T11876]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  663.704374][T11876]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  663.704376][T11876]  __might_resched.cold (kernel/sched/core.c:9234)
[  663.704381][T11876]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  663.704384][T11876]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  663.704388][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704392][T11876]  __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))
[  663.704396][T11876]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  663.704403][T11876]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  663.704410][T11876]  ? 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)
[  663.704413][T11876]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  663.704417][T11876]  put_chars (drivers/char/virtio_console.c:1176)
[  663.704419][T11876]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  663.704422][T11876]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  663.704426][T11876]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  663.704433][T11876]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  663.704435][T11876]  ? vsnprintf (lib/vsprintf.c:2900)
[  663.704440][T11876]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  663.704443][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704445][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704448][T11876]  console_emit_next_record (kernel/printk/printk.c:3183)
[  663.704452][T11876]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  663.704455][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704457][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704459][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704461][T11876]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  663.704465][T11876]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  663.704467][T11876]  console_flush_one_record (kernel/printk/printk.c:3268)
[  663.704471][T11876]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  663.704476][T11876]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  663.704479][T11876]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  663.704481][T11876]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  663.704484][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704486][T11876]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  663.704488][T11876]  ? 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)
[  663.704491][T11876]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  663.704493][T11876]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  663.704496][T11876]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  663.704499][T11876]  vprintk_emit (kernel/printk/printk.c:2479)
[  663.704502][T11876]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  663.704504][T11876]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  663.704507][T11876]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  663.704510][T11876]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  663.704513][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704516][T11876]  _printk (kernel/printk/printk.c:2504)
[  663.704519][T11876]  ? snapshot_read.cold (user.c:?)
[  663.704523][T11876]  ? br_multicast_flood (??:?)
[  663.704527][T11876]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  663.704538][T11876]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  663.704540][T11876]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  663.704543][T11876]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  663.704548][T11876]  br_init_port (net/bridge/br_stp_if.c:39)
[  663.704550][T11876]  new_nbp (net/bridge/br_if.c:449)
[  663.704554][T11876]  br_add_if (net/bridge/br_if.c:592)
[  663.704557][T11876]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  663.704563][T11876]  do_set_master (net/core/rtnetlink.c:3071)
[  663.704566][T11876]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  663.704569][T11876]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  663.704572][T11876]  ? __dev_get_by_name (net/core/dev.c:905)
[  663.704574][T11876]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  663.704581][T11876]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  663.704585][T11876]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  663.704589][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704591][T11876]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  663.704593][T11876]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  663.704595][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704598][T11876]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  663.704602][T11876]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  663.704605][T11876]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  663.704609][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704611][T11876]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  663.704613][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704616][T11876]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  663.704618][T11876]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  663.704622][T11876]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  663.704624][T11876]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  663.704627][T11876]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  663.704632][T11876]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  663.704637][T11876]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  663.704639][T11876]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  663.704642][T11876]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  663.704644][T11876]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  663.704649][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704651][T11876]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  663.704655][T11876]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  663.704659][T11876]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  663.704662][T11876]  ? next_uptodate_folio (mm/filemap.c:3747)
[  663.704666][T11876]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  663.704670][T11876]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  663.704673][T11876]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  663.704675][T11876]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  663.704680][T11876]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  663.704685][T11876]  ____sys_sendmsg (net/socket.c:2713)
[  663.704688][T11876]  ? copy_msghdr_from_user (net/socket.c:2650)
[  663.704690][T11876]  ? sock_write_iter (net/socket.c:1269)
[  663.704693][T11876]  ? move_addr_to_kernel (net/socket.c:258)
[  663.704697][T11876]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  663.704700][T11876]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  663.704703][T11876]  ___sys_sendmsg (net/socket.c:2767)
[  663.704705][T11876]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  663.704708][T11876]  ? copy_msghdr_from_user (net/socket.c:2619)
[  663.704711][T11876]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  663.704719][T11876]  __sys_sendmsg (net/socket.c:2799)
[  663.704722][T11876]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  663.704727][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704729][T11876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  663.704732][T11876]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  663.704736][T11876]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  663.704739][T11876]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  663.704742][T11876] RIP: 0033:0x7f00be11454e
[  663.704745][T11876] 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
[  663.704748][T11876] RSP: 002b:00007ffc97ee68d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  663.704753][T11876] RAX: ffffffffffffffda RBX: 00007ffc97ee7098 RCX: 00007f00be11454e
[  663.704755][T11876] RDX: 0000000000000000 RSI: 00007ffc97ee6980 RDI: 0000000000000005
[  663.704757][T11876] RBP: 00007ffc97ee68e0 R08: 0000000000000000 R09: 0000000000000000
[  663.704759][T11876] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915291
[  663.704760][T11876] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc97ee7050
| [  664.711729][T11914] softirqs last disabled at (0): 0x0
| [  664.711732][T11914] Preemption disabled at:
| [  664.711732][T11914] vprintk_emit (kernel/printk/printk.c:2471)
| [  664.711744][T11914] Tainted: [W]=WARN
[  664.711745][T11914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  664.711747][T11914] Call Trace:
[  664.711748][T11914]  <TASK>
[  664.711750][T11914]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  664.711756][T11914]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  664.711758][T11914]  __might_resched.cold (kernel/sched/core.c:9234)
[  664.711762][T11914]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  664.711765][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711768][T11914]  __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))
[  664.711772][T11914]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  664.711775][T11914]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  664.711780][T11914]  ? 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)
[  664.711782][T11914]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  664.711785][T11914]  put_chars (drivers/char/virtio_console.c:1176)
[  664.711787][T11914]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  664.711788][T11914]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  664.711791][T11914]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  664.711793][T11914]  ? pointer (lib/vsprintf.c:2577)
[  664.711797][T11914]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  664.711802][T11914]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  664.711804][T11914]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  664.711807][T11914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.711809][T11914]  console_emit_next_record (kernel/printk/printk.c:3183)
[  664.711812][T11914]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  664.711815][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711816][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711817][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711818][T11914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.711821][T11914]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  664.711823][T11914]  console_flush_one_record (kernel/printk/printk.c:3268)
[  664.711825][T11914]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  664.711828][T11914]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  664.711831][T11914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.711832][T11914]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  664.711834][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711835][T11914]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  664.711837][T11914]  ? 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)
[  664.711839][T11914]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  664.711841][T11914]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  664.711843][T11914]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  664.711845][T11914]  vprintk_emit (kernel/printk/printk.c:2479)
[  664.711847][T11914]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  664.711849][T11914]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  664.711851][T11914]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  664.711855][T11914]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  664.711858][T11914]  _printk (kernel/printk/printk.c:2504)
[  664.711861][T11914]  ? snapshot_read.cold (user.c:?)
[  664.711863][T11914]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  664.711866][T11914]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  664.711869][T11914]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  664.711871][T11914]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  664.711875][T11914]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  664.711880][T11914]  ? netdev_notice (net/core/dev.c:13194)
[  664.711882][T11914]  ? 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)
[  664.711884][T11914]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  664.711887][T11914]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  664.711889][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711890][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711891][T11914]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  664.711893][T11914]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  664.711895][T11914]  ? 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)
[  664.711896][T11914]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  664.711898][T11914]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  664.711900][T11914]  ? register_netdev (net/core/dev.c:11618)
[  664.711901][T11914]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  664.711903][T11914]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  664.711906][T11914]  ? __kernel_text_address (kernel/extable.c:79)
[  664.711909][T11914]  ? write_profile (profile.c:?)
[  664.711912][T11914]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  664.711916][T11914]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  664.711918][T11914]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  664.711920][T11914]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  664.711921][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711923][T11914]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  664.711926][T11914]  ? kasan_save_stack (mm/kasan/common.c:58)
[  664.711928][T11914]  ? kasan_save_stack (mm/kasan/common.c:57)
[  664.711929][T11914]  ? kasan_save_track (mm/kasan/common.c:78)
[  664.711931][T11914]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  664.711932][T11914]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  664.711933][T11914]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  664.711935][T11914]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  664.711936][T11914]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  664.711939][T11914]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  664.711941][T11914]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  664.711943][T11914]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  664.711946][T11914]  ? ____sys_sendmsg (net/socket.c:2713)
[  664.711947][T11914]  ? ___sys_sendmsg (net/socket.c:2767)
[  664.711949][T11914]  ? __sys_sendmsg (net/socket.c:2799)
[  664.711951][T11914]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  664.711953][T11914]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  664.711956][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711957][T11914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.711959][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711960][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711961][T11914]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  664.711963][T11914]  ? __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)
[  664.711964][T11914]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  664.711966][T11914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  664.711968][T11914]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  664.711969][T11914]  ? nla_get_range_signed (lib/nlattr.c:270)
[  664.711972][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711974][T11914]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  664.711979][T11914]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  664.711983][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711986][T11914]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  664.711988][T11914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.711990][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.711993][T11914]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  664.711996][T11914]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  664.711998][T11914]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  664.711999][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.712001][T11914]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  664.712004][T11914]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  664.712007][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.712008][T11914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.712010][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.712011][T11914]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  664.712013][T11914]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  664.712014][T11914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  664.712016][T11914]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  664.712018][T11914]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  664.712021][T11914]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  664.712023][T11914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  664.712024][T11914]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  664.712026][T11914]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  664.712028][T11914]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  664.712031][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.712033][T11914]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  664.712035][T11914]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  664.712037][T11914]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  664.712039][T11914]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  664.712041][T11914]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  664.712044][T11914]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  664.712046][T11914]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  664.712048][T11914]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  664.712049][T11914]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  664.712053][T11914]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  664.712055][T11914]  ____sys_sendmsg (net/socket.c:2713)
[  664.712057][T11914]  ? copy_msghdr_from_user (net/socket.c:2650)
[  664.712059][T11914]  ? sock_write_iter (net/socket.c:1269)
[  664.712060][T11914]  ? move_addr_to_kernel (net/socket.c:258)
[  664.712062][T11914]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  664.712065][T11914]  ___sys_sendmsg (net/socket.c:2767)
[  664.712067][T11914]  ? copy_msghdr_from_user (net/socket.c:2619)
[  664.712072][T11914]  __sys_sendmsg (net/socket.c:2799)
[  664.712074][T11914]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  664.712077][T11914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  664.712079][T11914]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  664.712081][T11914]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  664.712083][T11914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  664.712085][T11914] RIP: 0033:0x7f7a255d454e
[  664.712087][T11914] 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
[  664.712089][T11914] RSP: 002b:00007fff4a245dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  664.712093][T11914] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7a255d454e
[  664.712095][T11914] RDX: 0000000000000000 RSI: 00007fff4a245e80 RDI: 0000000000000005
[  664.712096][T11914] RBP: 00007fff4a245de0 R08: 0000000000000000 R09: 0000000000000000
[  664.712097][T11914] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915292
[  664.712098][T11914] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4a246540
| [  666.417313][T11965] softirqs last disabled at (0): 0x0
| [  666.417315][T11965] Preemption disabled at:
| [  666.417316][T11965] vprintk_emit (kernel/printk/printk.c:2471)
| [  666.417326][T11965] Tainted: [W]=WARN
[  666.417328][T11965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  666.417330][T11965] Call Trace:
[  666.417331][T11965]  <TASK>
[  666.417332][T11965]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  666.417338][T11965]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  666.417340][T11965]  __might_resched.cold (kernel/sched/core.c:9234)
[  666.417344][T11965]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  666.417346][T11965]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  666.417350][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417352][T11965]  __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))
[  666.417355][T11965]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  666.417359][T11965]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  666.417364][T11965]  ? 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)
[  666.417366][T11965]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  666.417369][T11965]  put_chars (drivers/char/virtio_console.c:1176)
[  666.417371][T11965]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  666.417373][T11965]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  666.417376][T11965]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  666.417381][T11965]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  666.417383][T11965]  ? vsnprintf (lib/vsprintf.c:2900)
[  666.417386][T11965]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  666.417388][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417389][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417391][T11965]  console_emit_next_record (kernel/printk/printk.c:3183)
[  666.417394][T11965]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  666.417396][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417397][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417398][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417402][T11965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.417405][T11965]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  666.417407][T11965]  console_flush_one_record (kernel/printk/printk.c:3268)
[  666.417410][T11965]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  666.417413][T11965]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  666.417415][T11965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.417416][T11965]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  666.417418][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417419][T11965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  666.417421][T11965]  ? 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)
[  666.417423][T11965]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  666.417424][T11965]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  666.417426][T11965]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  666.417428][T11965]  vprintk_emit (kernel/printk/printk.c:2479)
[  666.417430][T11965]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  666.417431][T11965]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  666.417433][T11965]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  666.417437][T11965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.417438][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417440][T11965]  _printk (kernel/printk/printk.c:2504)
[  666.417443][T11965]  ? snapshot_read.cold (user.c:?)
[  666.417445][T11965]  ? br_multicast_flood (??:?)
[  666.417448][T11965]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  666.417451][T11965]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  666.417452][T11965]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  666.417455][T11965]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  666.417458][T11965]  br_init_port (net/bridge/br_stp_if.c:39)
[  666.417460][T11965]  new_nbp (net/bridge/br_if.c:449)
[  666.417462][T11965]  br_add_if (net/bridge/br_if.c:592)
[  666.417464][T11965]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  666.417469][T11965]  do_set_master (net/core/rtnetlink.c:3071)
[  666.417471][T11965]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  666.417472][T11965]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  666.417474][T11965]  ? __dev_get_by_name (net/core/dev.c:905)
[  666.417476][T11965]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  666.417480][T11965]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  666.417483][T11965]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  666.417485][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417487][T11965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  666.417488][T11965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.417490][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417492][T11965]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  666.417494][T11965]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  666.417496][T11965]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  666.417499][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417500][T11965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.417502][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417503][T11965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  666.417505][T11965]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  666.417507][T11965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  666.417508][T11965]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  666.417510][T11965]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  666.417514][T11965]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  666.417517][T11965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  666.417519][T11965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  666.417521][T11965]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  666.417522][T11965]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  666.417526][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417527][T11965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  666.417529][T11965]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  666.417531][T11965]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  666.417534][T11965]  ? next_uptodate_folio (mm/filemap.c:3747)
[  666.417537][T11965]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  666.417539][T11965]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  666.417541][T11965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.417543][T11965]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  666.417553][T11965]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  666.417556][T11965]  ____sys_sendmsg (net/socket.c:2713)
[  666.417558][T11965]  ? copy_msghdr_from_user (net/socket.c:2650)
[  666.417560][T11965]  ? sock_write_iter (net/socket.c:1269)
[  666.417562][T11965]  ? move_addr_to_kernel (net/socket.c:258)
[  666.417564][T11965]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  666.417567][T11965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  666.417569][T11965]  ___sys_sendmsg (net/socket.c:2767)
[  666.417571][T11965]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  666.417573][T11965]  ? copy_msghdr_from_user (net/socket.c:2619)
[  666.417575][T11965]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  666.417580][T11965]  __sys_sendmsg (net/socket.c:2799)
[  666.417582][T11965]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  666.417585][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417586][T11965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  666.417587][T11965]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  666.417590][T11965]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  666.417592][T11965]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  666.417595][T11965] RIP: 0033:0x7f2409b7a54e
[  666.417597][T11965] 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
[  666.417599][T11965] RSP: 002b:00007ffd461ca430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  666.417603][T11965] RAX: ffffffffffffffda RBX: 00007ffd461cabf8 RCX: 00007f2409b7a54e
[  666.417605][T11965] RDX: 0000000000000000 RSI: 00007ffd461ca4e0 RDI: 0000000000000005
[  666.417606][T11965] RBP: 00007ffd461ca440 R08: 0000000000000000 R09: 0000000000000000
[  666.417607][T11965] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915293
[  666.417608][T11965] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd461cabb0
| [  673.687558][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  673.687563][   T12] Preemption disabled at:
| [  673.687564][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  673.687578][   T12] Tainted: [W]=WARN
[  673.687580][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  673.687582][   T12] Workqueue: netns cleanup_net
[  673.687597][   T12] Call Trace:
[  673.687598][   T12]  <TASK>
[  673.687601][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  673.687608][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  673.687611][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  673.687616][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  673.687619][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  673.687624][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  673.687628][   T12]  __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))
[  673.687632][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  673.687637][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  673.687643][   T12]  ? 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)
[  673.687646][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  673.687650][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  673.687653][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  673.687657][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  673.687661][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  673.687668][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  673.687671][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  673.687675][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  673.687677][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  673.687680][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  673.687683][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  673.687688][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  673.687691][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  673.687693][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  673.687696][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  673.687698][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  673.687702][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  673.687705][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  673.687709][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  673.687714][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  673.687717][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  673.687720][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  673.687723][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  673.687725][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  673.687728][   T12]  ? 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)
[  673.687730][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  673.687733][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  673.687737][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  673.687739][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  673.687743][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  673.687745][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  673.687747][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  673.687752][   T12]  ? kthread (kernel/kthread.c:436)
[  673.687755][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  673.687759][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  673.687763][   T12]  _printk (kernel/printk/printk.c:2504)
[  673.687768][   T12]  ? snapshot_read.cold (user.c:?)
[  673.687772][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  673.687776][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  673.687780][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  673.687784][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  673.687787][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  673.687790][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  673.687792][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  673.687797][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  673.687799][   T12]  ? 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)
[  673.687802][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  673.687806][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  673.687811][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  673.687816][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  673.687820][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  673.687824][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  673.687828][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  673.687831][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  673.687836][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  673.687839][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  673.687843][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  673.687846][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  673.687849][   T12]  process_one_work (kernel/workqueue.c:3387)
[  673.687854][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  673.687859][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  673.687863][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  673.687869][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  673.687872][   T12]  kthread (kernel/kthread.c:436)
[  673.687875][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  673.687878][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  673.687881][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  673.687884][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  673.687888][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  673.687892][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  673.687896][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  674.755526][T12083] softirqs last disabled at (0): 0x0
| [  674.755528][T12083] Preemption disabled at:
| [  674.755529][T12083] vprintk_emit (kernel/printk/printk.c:2471)
| [  674.755540][T12083] Tainted: [W]=WARN
[  674.755541][T12083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  674.755543][T12083] Call Trace:
[  674.755545][T12083]  <TASK>
[  674.755546][T12083]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  674.755553][T12083]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  674.755554][T12083]  __might_resched.cold (kernel/sched/core.c:9234)
[  674.755558][T12083]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  674.755562][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755565][T12083]  __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))
[  674.755568][T12083]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  674.755571][T12083]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  674.755577][T12083]  ? 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)
[  674.755579][T12083]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  674.755582][T12083]  put_chars (drivers/char/virtio_console.c:1176)
[  674.755584][T12083]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  674.755585][T12083]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  674.755588][T12083]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  674.755590][T12083]  ? pointer (lib/vsprintf.c:2577)
[  674.755600][T12083]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  674.755605][T12083]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  674.755607][T12083]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  674.755609][T12083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.755611][T12083]  console_emit_next_record (kernel/printk/printk.c:3183)
[  674.755614][T12083]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  674.755617][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755618][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755619][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755620][T12083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.755623][T12083]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  674.755625][T12083]  console_flush_one_record (kernel/printk/printk.c:3268)
[  674.755628][T12083]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  674.755631][T12083]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  674.755633][T12083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.755635][T12083]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  674.755637][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755638][T12083]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  674.755640][T12083]  ? 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)
[  674.755642][T12083]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  674.755643][T12083]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  674.755646][T12083]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  674.755647][T12083]  vprintk_emit (kernel/printk/printk.c:2479)
[  674.755650][T12083]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  674.755651][T12083]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  674.755654][T12083]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  674.755657][T12083]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  674.755660][T12083]  _printk (kernel/printk/printk.c:2504)
[  674.755663][T12083]  ? snapshot_read.cold (user.c:?)
[  674.755665][T12083]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  674.755667][T12083]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  674.755671][T12083]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  674.755673][T12083]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.755676][T12083]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  674.755679][T12083]  ? netdev_notice (net/core/dev.c:13194)
[  674.755681][T12083]  ? 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)
[  674.755683][T12083]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  674.755686][T12083]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  674.755687][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755689][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755690][T12083]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  674.755691][T12083]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  674.755693][T12083]  ? 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)
[  674.755695][T12083]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.755696][T12083]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  674.755698][T12083]  ? register_netdev (net/core/dev.c:11618)
[  674.755700][T12083]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  674.755702][T12083]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  674.755705][T12083]  ? __kernel_text_address (kernel/extable.c:79)
[  674.755708][T12083]  ? write_profile (profile.c:?)
[  674.755711][T12083]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  674.755715][T12083]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  674.755717][T12083]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  674.755719][T12083]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  674.755720][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755722][T12083]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  674.755726][T12083]  ? kasan_save_stack (mm/kasan/common.c:58)
[  674.755728][T12083]  ? kasan_save_stack (mm/kasan/common.c:57)
[  674.755729][T12083]  ? kasan_save_track (mm/kasan/common.c:78)
[  674.755730][T12083]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  674.755732][T12083]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  674.755733][T12083]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  674.755734][T12083]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  674.755736][T12083]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  674.755739][T12083]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  674.755741][T12083]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  674.755742][T12083]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  674.755745][T12083]  ? ____sys_sendmsg (net/socket.c:2713)
[  674.755747][T12083]  ? ___sys_sendmsg (net/socket.c:2767)
[  674.755748][T12083]  ? __sys_sendmsg (net/socket.c:2799)
[  674.755750][T12083]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  674.755753][T12083]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  674.755755][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755757][T12083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.755758][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755759][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755761][T12083]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  674.755762][T12083]  ? __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)
[  674.755764][T12083]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  674.755765][T12083]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  674.755767][T12083]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  674.755768][T12083]  ? nla_get_range_signed (lib/nlattr.c:270)
[  674.755771][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755773][T12083]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  674.755775][T12083]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  674.755778][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755779][T12083]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.755780][T12083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.755782][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755784][T12083]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  674.755786][T12083]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  674.755787][T12083]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  674.755789][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755790][T12083]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  674.755794][T12083]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  674.755796][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755798][T12083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.755799][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755801][T12083]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  674.755802][T12083]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  674.755804][T12083]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  674.755806][T12083]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  674.755808][T12083]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  674.755810][T12083]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  674.755812][T12083]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  674.755814][T12083]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  674.755816][T12083]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  674.755818][T12083]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  674.755821][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755822][T12083]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  674.755825][T12083]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  674.755827][T12083]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  674.755829][T12083]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  674.755831][T12083]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  674.755834][T12083]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  674.755835][T12083]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  674.755837][T12083]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  674.755839][T12083]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  674.755843][T12083]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  674.755845][T12083]  ____sys_sendmsg (net/socket.c:2713)
[  674.755847][T12083]  ? copy_msghdr_from_user (net/socket.c:2650)
[  674.755848][T12083]  ? sock_write_iter (net/socket.c:1269)
[  674.755850][T12083]  ? move_addr_to_kernel (net/socket.c:258)
[  674.755852][T12083]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  674.755855][T12083]  ___sys_sendmsg (net/socket.c:2767)
[  674.755857][T12083]  ? copy_msghdr_from_user (net/socket.c:2619)
[  674.755862][T12083]  __sys_sendmsg (net/socket.c:2799)
[  674.755864][T12083]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  674.755867][T12083]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  674.755869][T12083]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  674.755871][T12083]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  674.755873][T12083]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  674.755875][T12083] RIP: 0033:0x7fcb7a03b54e
[  674.755877][T12083] 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
[  674.755879][T12083] RSP: 002b:00007ffdd6e388b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  674.755883][T12083] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcb7a03b54e
[  674.755885][T12083] RDX: 0000000000000000 RSI: 00007ffdd6e38960 RDI: 0000000000000005
[  674.755886][T12083] RBP: 00007ffdd6e388c0 R08: 0000000000000000 R09: 0000000000000000
[  674.755887][T12083] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91529c
[  674.755888][T12083] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd6e39020
| [  676.441997][T12158] softirqs last disabled at (0): 0x0
| [  676.441999][T12158] Preemption disabled at:
| [  676.442000][T12158] vprintk_emit (kernel/printk/printk.c:2471)
| [  676.442012][T12158] Tainted: [W]=WARN
[  676.442013][T12158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  676.442014][T12158] Call Trace:
[  676.442016][T12158]  <TASK>
[  676.442017][T12158]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  676.442024][T12158]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  676.442025][T12158]  __might_resched.cold (kernel/sched/core.c:9234)
[  676.442029][T12158]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  676.442031][T12158]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  676.442035][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442038][T12158]  __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))
[  676.442041][T12158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.442044][T12158]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.442050][T12158]  ? 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)
[  676.442052][T12158]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  676.442054][T12158]  put_chars (drivers/char/virtio_console.c:1176)
[  676.442056][T12158]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  676.442058][T12158]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  676.442061][T12158]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  676.442066][T12158]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  676.442068][T12158]  ? vsnprintf (lib/vsprintf.c:2900)
[  676.442072][T12158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.442074][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442075][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442077][T12158]  console_emit_next_record (kernel/printk/printk.c:3183)
[  676.442080][T12158]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  676.442082][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442083][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442084][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442086][T12158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.442088][T12158]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  676.442090][T12158]  console_flush_one_record (kernel/printk/printk.c:3268)
[  676.442093][T12158]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  676.442096][T12158]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  676.442098][T12158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.442100][T12158]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  676.442102][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442103][T12158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.442105][T12158]  ? 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)
[  676.442106][T12158]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  676.442108][T12158]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  676.442110][T12158]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  676.442112][T12158]  vprintk_emit (kernel/printk/printk.c:2479)
[  676.442114][T12158]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  676.442116][T12158]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  676.442117][T12158]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  676.442121][T12158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.442122][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442124][T12158]  _printk (kernel/printk/printk.c:2504)
[  676.442127][T12158]  ? snapshot_read.cold (user.c:?)
[  676.442129][T12158]  ? br_multicast_flood (??:?)
[  676.442133][T12158]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  676.442135][T12158]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  676.442137][T12158]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  676.442139][T12158]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  676.442142][T12158]  br_init_port (net/bridge/br_stp_if.c:39)
[  676.442144][T12158]  new_nbp (net/bridge/br_if.c:449)
[  676.442147][T12158]  br_add_if (net/bridge/br_if.c:592)
[  676.442149][T12158]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  676.442153][T12158]  do_set_master (net/core/rtnetlink.c:3071)
[  676.442155][T12158]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  676.442157][T12158]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  676.442159][T12158]  ? __dev_get_by_name (net/core/dev.c:905)
[  676.442161][T12158]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  676.442165][T12158]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  676.442168][T12158]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  676.442170][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442171][T12158]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.442173][T12158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.442175][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442176][T12158]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  676.442179][T12158]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  676.442181][T12158]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  676.442184][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442185][T12158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.442187][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442188][T12158]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  676.442190][T12158]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  676.442192][T12158]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.442193][T12158]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  676.442195][T12158]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  676.442199][T12158]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  676.442202][T12158]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  676.442204][T12158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.442205][T12158]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  676.442207][T12158]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  676.442211][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442212][T12158]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  676.442214][T12158]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  676.442217][T12158]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  676.442219][T12158]  ? next_uptodate_folio (mm/filemap.c:3747)
[  676.442222][T12158]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  676.442224][T12158]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  676.442227][T12158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.442229][T12158]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  676.442232][T12158]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  676.442235][T12158]  ____sys_sendmsg (net/socket.c:2713)
[  676.442237][T12158]  ? copy_msghdr_from_user (net/socket.c:2650)
[  676.442239][T12158]  ? sock_write_iter (net/socket.c:1269)
[  676.442241][T12158]  ? move_addr_to_kernel (net/socket.c:258)
[  676.442243][T12158]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  676.442246][T12158]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  676.442248][T12158]  ___sys_sendmsg (net/socket.c:2767)
[  676.442250][T12158]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  676.442252][T12158]  ? copy_msghdr_from_user (net/socket.c:2619)
[  676.442254][T12158]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  676.442260][T12158]  __sys_sendmsg (net/socket.c:2799)
[  676.442263][T12158]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  676.442266][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442267][T12158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  676.442268][T12158]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  676.442271][T12158]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  676.442274][T12158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  676.442276][T12158] RIP: 0033:0x7f3c0866254e
[  676.442278][T12158] 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
[  676.442281][T12158] RSP: 002b:00007ffd96a85a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  676.442285][T12158] RAX: ffffffffffffffda RBX: 00007ffd96a86208 RCX: 00007f3c0866254e
[  676.442286][T12158] RDX: 0000000000000000 RSI: 00007ffd96a85af0 RDI: 0000000000000005
[  676.442287][T12158] RBP: 00007ffd96a85a50 R08: 0000000000000000 R09: 0000000000000000
[  676.442288][T12158] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91529d
[  676.442289][T12158] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd96a861c0
| [  677.474661][T12197] softirqs last disabled at (0): 0x0
| [  677.474663][T12197] Preemption disabled at:
| [  677.474664][T12197] vprintk_emit (kernel/printk/printk.c:2471)
| [  677.474675][T12197] Tainted: [W]=WARN
[  677.474676][T12197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  677.474678][T12197] Call Trace:
[  677.474680][T12197]  <TASK>
[  677.474682][T12197]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  677.474687][T12197]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  677.474689][T12197]  __might_resched.cold (kernel/sched/core.c:9234)
[  677.474693][T12197]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  677.474696][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474699][T12197]  __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))
[  677.474702][T12197]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  677.474705][T12197]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  677.474711][T12197]  ? 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)
[  677.474713][T12197]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  677.474716][T12197]  put_chars (drivers/char/virtio_console.c:1176)
[  677.474717][T12197]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  677.474719][T12197]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  677.474721][T12197]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  677.474723][T12197]  ? pointer (lib/vsprintf.c:2577)
[  677.474727][T12197]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  677.474732][T12197]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  677.474734][T12197]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  677.474736][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.474739][T12197]  console_emit_next_record (kernel/printk/printk.c:3183)
[  677.474742][T12197]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  677.474744][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474745][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474746][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474748][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.474750][T12197]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  677.474752][T12197]  console_flush_one_record (kernel/printk/printk.c:3268)
[  677.474754][T12197]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  677.474757][T12197]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  677.474760][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.474761][T12197]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  677.474763][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474764][T12197]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  677.474766][T12197]  ? 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)
[  677.474768][T12197]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  677.474769][T12197]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  677.474772][T12197]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  677.474773][T12197]  vprintk_emit (kernel/printk/printk.c:2479)
[  677.474775][T12197]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  677.474776][T12197]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  677.474779][T12197]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  677.474782][T12197]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  677.474785][T12197]  _printk (kernel/printk/printk.c:2504)
[  677.474788][T12197]  ? snapshot_read.cold (user.c:?)
[  677.474790][T12197]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  677.474792][T12197]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  677.474796][T12197]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  677.474798][T12197]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  677.474801][T12197]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  677.474804][T12197]  ? netdev_notice (net/core/dev.c:13194)
[  677.474806][T12197]  ? 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)
[  677.474808][T12197]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  677.474810][T12197]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  677.474812][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474813][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474815][T12197]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  677.474816][T12197]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  677.474818][T12197]  ? 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)
[  677.474819][T12197]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  677.474821][T12197]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  677.474823][T12197]  ? register_netdev (net/core/dev.c:11618)
[  677.474824][T12197]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  677.474826][T12197]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  677.474829][T12197]  ? __kernel_text_address (kernel/extable.c:79)
[  677.474832][T12197]  ? write_profile (profile.c:?)
[  677.474835][T12197]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  677.474839][T12197]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  677.474841][T12197]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  677.474842][T12197]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  677.474844][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474845][T12197]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  677.474849][T12197]  ? kasan_save_stack (mm/kasan/common.c:58)
[  677.474851][T12197]  ? kasan_save_stack (mm/kasan/common.c:57)
[  677.474852][T12197]  ? kasan_save_track (mm/kasan/common.c:78)
[  677.474853][T12197]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  677.474855][T12197]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  677.474856][T12197]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  677.474857][T12197]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  677.474859][T12197]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  677.474862][T12197]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  677.474863][T12197]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  677.474865][T12197]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  677.474868][T12197]  ? ____sys_sendmsg (net/socket.c:2713)
[  677.474869][T12197]  ? ___sys_sendmsg (net/socket.c:2767)
[  677.474871][T12197]  ? __sys_sendmsg (net/socket.c:2799)
[  677.474873][T12197]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  677.474875][T12197]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  677.474878][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474879][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.474881][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474882][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474883][T12197]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  677.474885][T12197]  ? __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)
[  677.474886][T12197]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  677.474887][T12197]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  677.474889][T12197]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  677.474891][T12197]  ? nla_get_range_signed (lib/nlattr.c:270)
[  677.474894][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474895][T12197]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  677.474898][T12197]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  677.474900][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474901][T12197]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  677.474902][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.474904][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474906][T12197]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  677.474908][T12197]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  677.474909][T12197]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  677.474911][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474912][T12197]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  677.474916][T12197]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  677.474918][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474919][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.474921][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474923][T12197]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  677.474924][T12197]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  677.474926][T12197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  677.474928][T12197]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  677.474930][T12197]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  677.474932][T12197]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  677.474934][T12197]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  677.474936][T12197]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  677.474937][T12197]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  677.474939][T12197]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  677.474942][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474944][T12197]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  677.474946][T12197]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  677.474948][T12197]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  677.474950][T12197]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  677.474952][T12197]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  677.474955][T12197]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  677.474956][T12197]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  677.474958][T12197]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  677.474960][T12197]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  677.474963][T12197]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  677.474965][T12197]  ____sys_sendmsg (net/socket.c:2713)
[  677.474967][T12197]  ? copy_msghdr_from_user (net/socket.c:2650)
[  677.474969][T12197]  ? sock_write_iter (net/socket.c:1269)
[  677.474971][T12197]  ? move_addr_to_kernel (net/socket.c:258)
[  677.474972][T12197]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  677.474976][T12197]  ___sys_sendmsg (net/socket.c:2767)
[  677.474980][T12197]  ? copy_msghdr_from_user (net/socket.c:2619)
[  677.474989][T12197]  __sys_sendmsg (net/socket.c:2799)
[  677.474992][T12197]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  677.474996][T12197]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  677.474998][T12197]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  677.475000][T12197]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  677.475002][T12197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  677.475004][T12197] RIP: 0033:0x7fdcd945154e
[  677.475006][T12197] 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
[  677.475008][T12197] RSP: 002b:00007ffe3bd079b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  677.475012][T12197] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fdcd945154e
[  677.475014][T12197] RDX: 0000000000000000 RSI: 00007ffe3bd07a60 RDI: 0000000000000005
[  677.475015][T12197] RBP: 00007ffe3bd079c0 R08: 0000000000000000 R09: 0000000000000000
[  677.475016][T12197] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91529e
[  677.475017][T12197] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe3bd08120
| [  679.011249][T12254] softirqs last disabled at (0): 0x0
| [  679.011251][T12254] Preemption disabled at:
| [  679.011252][T12254] vprintk_emit (kernel/printk/printk.c:2471)
| [  679.011264][T12254] Tainted: [W]=WARN
[  679.011265][T12254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  679.011267][T12254] Call Trace:
[  679.011269][T12254]  <TASK>
[  679.011270][T12254]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  679.011277][T12254]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  679.011278][T12254]  __might_resched.cold (kernel/sched/core.c:9234)
[  679.011282][T12254]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  679.011285][T12254]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  679.011289][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011292][T12254]  __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))
[  679.011295][T12254]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  679.011298][T12254]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  679.011303][T12254]  ? 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)
[  679.011305][T12254]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  679.011308][T12254]  put_chars (drivers/char/virtio_console.c:1176)
[  679.011310][T12254]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  679.011312][T12254]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  679.011315][T12254]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  679.011320][T12254]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  679.011322][T12254]  ? vsnprintf (lib/vsprintf.c:2900)
[  679.011326][T12254]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  679.011328][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011329][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011331][T12254]  console_emit_next_record (kernel/printk/printk.c:3183)
[  679.011334][T12254]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  679.011337][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011338][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011339][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011340][T12254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.011343][T12254]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  679.011345][T12254]  console_flush_one_record (kernel/printk/printk.c:3268)
[  679.011348][T12254]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  679.011351][T12254]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  679.011353][T12254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.011355][T12254]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  679.011357][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011358][T12254]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  679.011360][T12254]  ? 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)
[  679.011362][T12254]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  679.011363][T12254]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  679.011366][T12254]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  679.011367][T12254]  vprintk_emit (kernel/printk/printk.c:2479)
[  679.011369][T12254]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  679.011371][T12254]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  679.011373][T12254]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  679.011376][T12254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.011378][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011380][T12254]  _printk (kernel/printk/printk.c:2504)
[  679.011383][T12254]  ? snapshot_read.cold (user.c:?)
[  679.011385][T12254]  ? br_multicast_flood (??:?)
[  679.011389][T12254]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  679.011392][T12254]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  679.011393][T12254]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  679.011395][T12254]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  679.011398][T12254]  br_init_port (net/bridge/br_stp_if.c:39)
[  679.011403][T12254]  new_nbp (net/bridge/br_if.c:449)
[  679.011406][T12254]  br_add_if (net/bridge/br_if.c:592)
[  679.011408][T12254]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  679.011413][T12254]  do_set_master (net/core/rtnetlink.c:3071)
[  679.011415][T12254]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  679.011418][T12254]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  679.011419][T12254]  ? __dev_get_by_name (net/core/dev.c:905)
[  679.011421][T12254]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  679.011426][T12254]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  679.011429][T12254]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  679.011432][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011433][T12254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  679.011435][T12254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.011437][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011438][T12254]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  679.011441][T12254]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  679.011443][T12254]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  679.011446][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011447][T12254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.011449][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011450][T12254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  679.011452][T12254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  679.011454][T12254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  679.011456][T12254]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  679.011457][T12254]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  679.011462][T12254]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  679.011465][T12254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  679.011467][T12254]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  679.011469][T12254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  679.011471][T12254]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  679.011475][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011476][T12254]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  679.011479][T12254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  679.011481][T12254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  679.011484][T12254]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  679.011486][T12254]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  679.011490][T12254]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  679.011493][T12254]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  679.011495][T12254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.011497][T12254]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  679.011501][T12254]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  679.011505][T12254]  ____sys_sendmsg (net/socket.c:2713)
[  679.011507][T12254]  ? copy_msghdr_from_user (net/socket.c:2650)
[  679.011509][T12254]  ? sock_write_iter (net/socket.c:1269)
[  679.011510][T12254]  ? move_addr_to_kernel (net/socket.c:258)
[  679.011513][T12254]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  679.011515][T12254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  679.011518][T12254]  ___sys_sendmsg (net/socket.c:2767)
[  679.011520][T12254]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  679.011522][T12254]  ? copy_msghdr_from_user (net/socket.c:2619)
[  679.011524][T12254]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  679.011530][T12254]  __sys_sendmsg (net/socket.c:2799)
[  679.011532][T12254]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  679.011535][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011537][T12254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  679.011538][T12254]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  679.011541][T12254]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  679.011543][T12254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  679.011546][T12254] RIP: 0033:0x7f1cc6ff554e
[  679.011548][T12254] 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
[  679.011550][T12254] RSP: 002b:00007ffcd14947d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  679.011554][T12254] RAX: ffffffffffffffda RBX: 00007ffcd1494f98 RCX: 00007f1cc6ff554e
[  679.011556][T12254] RDX: 0000000000000000 RSI: 00007ffcd1494880 RDI: 0000000000000005
[  679.011557][T12254] RBP: 00007ffcd14947e0 R08: 0000000000000000 R09: 0000000000000000
[  679.011558][T12254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152a0
[  679.011559][T12254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd1494f50
| [  685.304298][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  685.304301][   T12] Preemption disabled at:
| [  685.304302][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  685.304313][   T12] Tainted: [W]=WARN
[  685.304314][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  685.304316][   T12] Workqueue: netns cleanup_net
[  685.304323][   T12] Call Trace:
[  685.304324][   T12]  <TASK>
[  685.304326][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  685.304332][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  685.304334][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  685.304338][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  685.304340][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  685.304344][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.304347][   T12]  __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))
[  685.304350][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  685.304353][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  685.304358][   T12]  ? 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)
[  685.304360][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  685.304363][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  685.304365][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  685.304367][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  685.304370][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  685.304375][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  685.304377][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  685.304380][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  685.304382][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.304383][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.304385][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  685.304388][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  685.304390][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.304392][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.304393][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.304394][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.304397][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  685.304403][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  685.304405][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  685.304408][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  685.304411][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.304412][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  685.304415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.304416][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  685.304418][   T12]  ? 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)
[  685.304420][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  685.304421][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  685.304424][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  685.304425][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  685.304427][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  685.304429][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  685.304431][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  685.304434][   T12]  ? kthread (kernel/kthread.c:436)
[  685.304436][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  685.304439][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  685.304441][   T12]  _printk (kernel/printk/printk.c:2504)
[  685.304445][   T12]  ? snapshot_read.cold (user.c:?)
[  685.304447][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  685.304450][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  685.304453][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  685.304455][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  685.304458][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.304459][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  685.304461][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  685.304464][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  685.304466][   T12]  ? 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)
[  685.304468][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  685.304470][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  685.304473][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  685.304477][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  685.304480][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  685.304482][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  685.304485][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  685.304487][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  685.304490][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  685.304492][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  685.304494][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  685.304496][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  685.304498][   T12]  process_one_work (kernel/workqueue.c:3387)
[  685.304502][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  685.304505][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  685.304507][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  685.304511][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  685.304513][   T12]  kthread (kernel/kthread.c:436)
[  685.304515][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  685.304517][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  685.304519][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  685.304521][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  685.304523][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  685.304526][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  685.304529][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  687.005049][T12389] softirqs last disabled at (0): 0x0
| [  687.005051][T12389] Preemption disabled at:
| [  687.005052][T12389] vprintk_emit (kernel/printk/printk.c:2471)
| [  687.005063][T12389] Tainted: [W]=WARN
[  687.005064][T12389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  687.005066][T12389] Call Trace:
[  687.005068][T12389]  <TASK>
[  687.005069][T12389]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  687.005075][T12389]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  687.005077][T12389]  __might_resched.cold (kernel/sched/core.c:9234)
[  687.005081][T12389]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  687.005083][T12389]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  687.005087][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005090][T12389]  __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))
[  687.005093][T12389]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.005096][T12389]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  687.005101][T12389]  ? 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)
[  687.005103][T12389]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  687.005106][T12389]  put_chars (drivers/char/virtio_console.c:1176)
[  687.005108][T12389]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  687.005110][T12389]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  687.005113][T12389]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  687.005118][T12389]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  687.005120][T12389]  ? vsnprintf (lib/vsprintf.c:2900)
[  687.005123][T12389]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.005125][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005126][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005128][T12389]  console_emit_next_record (kernel/printk/printk.c:3183)
[  687.005131][T12389]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  687.005134][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005135][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005136][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005137][T12389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.005140][T12389]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  687.005142][T12389]  console_flush_one_record (kernel/printk/printk.c:3268)
[  687.005145][T12389]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  687.005148][T12389]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  687.005150][T12389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.005152][T12389]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  687.005154][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005155][T12389]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  687.005157][T12389]  ? 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)
[  687.005159][T12389]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  687.005160][T12389]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  687.005163][T12389]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  687.005164][T12389]  vprintk_emit (kernel/printk/printk.c:2479)
[  687.005166][T12389]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  687.005167][T12389]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  687.005169][T12389]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  687.005173][T12389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.005174][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005176][T12389]  _printk (kernel/printk/printk.c:2504)
[  687.005180][T12389]  ? snapshot_read.cold (user.c:?)
[  687.005182][T12389]  ? br_multicast_flood (??:?)
[  687.005185][T12389]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  687.005188][T12389]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  687.005189][T12389]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  687.005192][T12389]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  687.005195][T12389]  br_init_port (net/bridge/br_stp_if.c:39)
[  687.005197][T12389]  new_nbp (net/bridge/br_if.c:449)
[  687.005199][T12389]  br_add_if (net/bridge/br_if.c:592)
[  687.005201][T12389]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  687.005205][T12389]  do_set_master (net/core/rtnetlink.c:3071)
[  687.005207][T12389]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  687.005209][T12389]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  687.005211][T12389]  ? __dev_get_by_name (net/core/dev.c:905)
[  687.005213][T12389]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  687.005217][T12389]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  687.005220][T12389]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  687.005222][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005224][T12389]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  687.005225][T12389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.005227][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005229][T12389]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  687.005231][T12389]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  687.005233][T12389]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  687.005236][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005237][T12389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.005239][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005240][T12389]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  687.005242][T12389]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  687.005243][T12389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  687.005245][T12389]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  687.005247][T12389]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  687.005251][T12389]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  687.005254][T12389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  687.005255][T12389]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  687.005257][T12389]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  687.005260][T12389]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  687.005263][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005265][T12389]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  687.005267][T12389]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  687.005269][T12389]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  687.005271][T12389]  ? next_uptodate_folio (mm/filemap.c:3747)
[  687.005275][T12389]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  687.005277][T12389]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  687.005279][T12389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.005281][T12389]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  687.005285][T12389]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  687.005288][T12389]  ____sys_sendmsg (net/socket.c:2713)
[  687.005289][T12389]  ? copy_msghdr_from_user (net/socket.c:2650)
[  687.005291][T12389]  ? sock_write_iter (net/socket.c:1269)
[  687.005293][T12389]  ? move_addr_to_kernel (net/socket.c:258)
[  687.005295][T12389]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  687.005298][T12389]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  687.005300][T12389]  ___sys_sendmsg (net/socket.c:2767)
[  687.005302][T12389]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  687.005304][T12389]  ? copy_msghdr_from_user (net/socket.c:2619)
[  687.005306][T12389]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  687.005311][T12389]  __sys_sendmsg (net/socket.c:2799)
[  687.005313][T12389]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  687.005316][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005318][T12389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  687.005319][T12389]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  687.005322][T12389]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  687.005324][T12389]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  687.005327][T12389] RIP: 0033:0x7fc680c1754e
[  687.005329][T12389] 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
[  687.005331][T12389] RSP: 002b:00007fffe4aa1f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  687.005335][T12389] RAX: ffffffffffffffda RBX: 00007fffe4aa2728 RCX: 00007fc680c1754e
[  687.005336][T12389] RDX: 0000000000000000 RSI: 00007fffe4aa2010 RDI: 0000000000000005
[  687.005337][T12389] RBP: 00007fffe4aa1f70 R08: 0000000000000000 R09: 0000000000000000
[  687.005338][T12389] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152a8
[  687.005339][T12389] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe4aa26e0
| [  689.008784][T12458] softirqs last disabled at (0): 0x0
| [  689.008786][T12458] Preemption disabled at:
| [  689.008786][T12458] vprintk_emit (kernel/printk/printk.c:2471)
| [  689.008798][T12458] Tainted: [W]=WARN
[  689.008799][T12458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  689.008801][T12458] Call Trace:
[  689.008803][T12458]  <TASK>
[  689.008805][T12458]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  689.008811][T12458]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  689.008812][T12458]  __might_resched.cold (kernel/sched/core.c:9234)
[  689.008816][T12458]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  689.008820][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.008823][T12458]  __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))
[  689.008826][T12458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.008829][T12458]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  689.008834][T12458]  ? 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)
[  689.008836][T12458]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  689.008839][T12458]  put_chars (drivers/char/virtio_console.c:1176)
[  689.008841][T12458]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  689.008842][T12458]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  689.008845][T12458]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  689.008847][T12458]  ? pointer (lib/vsprintf.c:2577)
[  689.008851][T12458]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  689.008856][T12458]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  689.008858][T12458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.008860][T12458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.008863][T12458]  console_emit_next_record (kernel/printk/printk.c:3183)
[  689.008866][T12458]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  689.008868][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.008870][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.008871][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.008872][T12458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.008874][T12458]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  689.008876][T12458]  console_flush_one_record (kernel/printk/printk.c:3268)
[  689.008878][T12458]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  689.008882][T12458]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  689.008884][T12458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.008885][T12458]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  689.008888][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.008889][T12458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.008890][T12458]  ? 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)
[  689.008892][T12458]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  689.008894][T12458]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  689.008896][T12458]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  689.008898][T12458]  vprintk_emit (kernel/printk/printk.c:2479)
[  689.008900][T12458]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  689.008901][T12458]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  689.008904][T12458]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  689.008907][T12458]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  689.008909][T12458]  _printk (kernel/printk/printk.c:2504)
[  689.008912][T12458]  ? snapshot_read.cold (user.c:?)
[  689.008915][T12458]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  689.008917][T12458]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  689.008921][T12458]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  689.008923][T12458]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  689.008926][T12458]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  689.008929][T12458]  ? netdev_notice (net/core/dev.c:13194)
[  689.008931][T12458]  ? 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)
[  689.008933][T12458]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  689.008935][T12458]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  689.008937][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.008938][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.008940][T12458]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  689.008941][T12458]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  689.008943][T12458]  ? 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)
[  689.008944][T12458]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  689.008946][T12458]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  689.008948][T12458]  ? register_netdev (net/core/dev.c:11618)
[  689.008949][T12458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.008951][T12458]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  689.008954][T12458]  ? __kernel_text_address (kernel/extable.c:79)
[  689.008957][T12458]  ? write_profile (profile.c:?)
[  689.008960][T12458]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  689.008964][T12458]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  689.008966][T12458]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  689.008967][T12458]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  689.008969][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.008970][T12458]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  689.008973][T12458]  ? kasan_save_stack (mm/kasan/common.c:58)
[  689.008977][T12458]  ? kasan_save_stack (mm/kasan/common.c:57)
[  689.008979][T12458]  ? kasan_save_track (mm/kasan/common.c:78)
[  689.008981][T12458]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  689.008984][T12458]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  689.008986][T12458]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  689.008988][T12458]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  689.008990][T12458]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  689.008994][T12458]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  689.008995][T12458]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  689.008997][T12458]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  689.009000][T12458]  ? ____sys_sendmsg (net/socket.c:2713)
[  689.009001][T12458]  ? ___sys_sendmsg (net/socket.c:2767)
[  689.009003][T12458]  ? __sys_sendmsg (net/socket.c:2799)
[  689.009005][T12458]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  689.009007][T12458]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  689.009010][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.009012][T12458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.009014][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.009015][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.009016][T12458]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  689.009018][T12458]  ? __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)
[  689.009019][T12458]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  689.009020][T12458]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  689.009022][T12458]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  689.009023][T12458]  ? nla_get_range_signed (lib/nlattr.c:270)
[  689.009027][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.009028][T12458]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  689.009031][T12458]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  689.009033][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.009034][T12458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  689.009036][T12458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.009037][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.009039][T12458]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  689.009042][T12458]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  689.009043][T12458]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  689.009045][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.009046][T12458]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  689.009049][T12458]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  689.009052][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.009053][T12458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.009055][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.009056][T12458]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  689.009057][T12458]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  689.009059][T12458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  689.009061][T12458]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  689.009063][T12458]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  689.009065][T12458]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  689.009067][T12458]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  689.009069][T12458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.009070][T12458]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  689.009072][T12458]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  689.009075][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.009077][T12458]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  689.009079][T12458]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  689.009081][T12458]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  689.009083][T12458]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  689.009085][T12458]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  689.009088][T12458]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  689.009090][T12458]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  689.009092][T12458]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  689.009093][T12458]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  689.009097][T12458]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  689.009099][T12458]  ____sys_sendmsg (net/socket.c:2713)
[  689.009101][T12458]  ? copy_msghdr_from_user (net/socket.c:2650)
[  689.009103][T12458]  ? sock_write_iter (net/socket.c:1269)
[  689.009104][T12458]  ? move_addr_to_kernel (net/socket.c:258)
[  689.009106][T12458]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  689.009109][T12458]  ___sys_sendmsg (net/socket.c:2767)
[  689.009111][T12458]  ? copy_msghdr_from_user (net/socket.c:2619)
[  689.009116][T12458]  __sys_sendmsg (net/socket.c:2799)
[  689.009118][T12458]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  689.009121][T12458]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  689.009123][T12458]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  689.009125][T12458]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  689.009127][T12458]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  689.009129][T12458] RIP: 0033:0x7fd4bf32154e
[  689.009131][T12458] 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
[  689.009133][T12458] RSP: 002b:00007ffe6a3ad680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  689.009137][T12458] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd4bf32154e
[  689.009139][T12458] RDX: 0000000000000000 RSI: 00007ffe6a3ad730 RDI: 0000000000000005
[  689.009140][T12458] RBP: 00007ffe6a3ad690 R08: 0000000000000000 R09: 0000000000000000
[  689.009141][T12458] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152aa
[  689.009142][T12458] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6a3addf0
| [  690.628015][T12515] softirqs last disabled at (0): 0x0
| [  690.628017][T12515] Preemption disabled at:
| [  690.628018][T12515] vprintk_emit (kernel/printk/printk.c:2471)
| [  690.628030][T12515] Tainted: [W]=WARN
[  690.628031][T12515] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  690.628033][T12515] Call Trace:
[  690.628034][T12515]  <TASK>
[  690.628036][T12515]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  690.628042][T12515]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  690.628044][T12515]  __might_resched.cold (kernel/sched/core.c:9234)
[  690.628048][T12515]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  690.628050][T12515]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  690.628054][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628056][T12515]  __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))
[  690.628059][T12515]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  690.628063][T12515]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  690.628068][T12515]  ? 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)
[  690.628070][T12515]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  690.628073][T12515]  put_chars (drivers/char/virtio_console.c:1176)
[  690.628074][T12515]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  690.628076][T12515]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  690.628079][T12515]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  690.628084][T12515]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  690.628086][T12515]  ? vsnprintf (lib/vsprintf.c:2900)
[  690.628089][T12515]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  690.628091][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628092][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628094][T12515]  console_emit_next_record (kernel/printk/printk.c:3183)
[  690.628097][T12515]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  690.628100][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628101][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628102][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628103][T12515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.628106][T12515]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  690.628108][T12515]  console_flush_one_record (kernel/printk/printk.c:3268)
[  690.628110][T12515]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  690.628113][T12515]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  690.628115][T12515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.628117][T12515]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  690.628119][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628120][T12515]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  690.628122][T12515]  ? 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)
[  690.628124][T12515]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  690.628125][T12515]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  690.628128][T12515]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  690.628129][T12515]  vprintk_emit (kernel/printk/printk.c:2479)
[  690.628131][T12515]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  690.628132][T12515]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  690.628134][T12515]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  690.628137][T12515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.628139][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628140][T12515]  _printk (kernel/printk/printk.c:2504)
[  690.628144][T12515]  ? snapshot_read.cold (user.c:?)
[  690.628146][T12515]  ? br_multicast_flood (??:?)
[  690.628149][T12515]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  690.628152][T12515]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  690.628153][T12515]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  690.628155][T12515]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  690.628158][T12515]  br_init_port (net/bridge/br_stp_if.c:39)
[  690.628160][T12515]  new_nbp (net/bridge/br_if.c:449)
[  690.628163][T12515]  br_add_if (net/bridge/br_if.c:592)
[  690.628165][T12515]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  690.628169][T12515]  do_set_master (net/core/rtnetlink.c:3071)
[  690.628171][T12515]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  690.628173][T12515]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  690.628174][T12515]  ? __dev_get_by_name (net/core/dev.c:905)
[  690.628176][T12515]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  690.628180][T12515]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  690.628183][T12515]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  690.628185][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628187][T12515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  690.628188][T12515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.628190][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628191][T12515]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  690.628194][T12515]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  690.628196][T12515]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  690.628198][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628199][T12515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.628201][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628202][T12515]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  690.628204][T12515]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  690.628206][T12515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  690.628207][T12515]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  690.628209][T12515]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  690.628213][T12515]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  690.628216][T12515]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  690.628217][T12515]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  690.628219][T12515]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  690.628221][T12515]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  690.628224][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628226][T12515]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  690.628228][T12515]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  690.628230][T12515]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  690.628232][T12515]  ? next_uptodate_folio (mm/filemap.c:3747)
[  690.628236][T12515]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  690.628238][T12515]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  690.628240][T12515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.628242][T12515]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  690.628245][T12515]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  690.628249][T12515]  ____sys_sendmsg (net/socket.c:2713)
[  690.628250][T12515]  ? copy_msghdr_from_user (net/socket.c:2650)
[  690.628252][T12515]  ? sock_write_iter (net/socket.c:1269)
[  690.628254][T12515]  ? move_addr_to_kernel (net/socket.c:258)
[  690.628257][T12515]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  690.628259][T12515]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  690.628262][T12515]  ___sys_sendmsg (net/socket.c:2767)
[  690.628263][T12515]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  690.628265][T12515]  ? copy_msghdr_from_user (net/socket.c:2619)
[  690.628267][T12515]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  690.628272][T12515]  __sys_sendmsg (net/socket.c:2799)
[  690.628274][T12515]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  690.628277][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628278][T12515]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  690.628280][T12515]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  690.628283][T12515]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  690.628285][T12515]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  690.628287][T12515] RIP: 0033:0x7fd8c815154e
[  690.628290][T12515] 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
[  690.628292][T12515] RSP: 002b:00007fffd35a3400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  690.628295][T12515] RAX: ffffffffffffffda RBX: 00007fffd35a3bc8 RCX: 00007fd8c815154e
[  690.628297][T12515] RDX: 0000000000000000 RSI: 00007fffd35a34b0 RDI: 0000000000000005
[  690.628298][T12515] RBP: 00007fffd35a3410 R08: 0000000000000000 R09: 0000000000000000
[  690.628299][T12515] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152ab
[  690.628300][T12515] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd35a3b80
| [  696.964468][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  696.964472][   T12] Preemption disabled at:
| [  696.964474][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  696.964488][   T12] Tainted: [W]=WARN
[  696.964490][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  696.964493][   T12] Workqueue: netns cleanup_net
[  696.964500][   T12] Call Trace:
[  696.964502][   T12]  <TASK>
[  696.964505][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  696.964512][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  696.964515][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  696.964520][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  696.964523][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  696.964528][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.964532][   T12]  __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))
[  696.964536][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.964541][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  696.964547][   T12]  ? 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)
[  696.964551][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  696.964555][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  696.964558][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  696.964561][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  696.964566][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  696.964573][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  696.964576][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  696.964579][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.964582][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.964584][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.964588][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  696.964592][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  696.964596][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.964598][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.964602][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  696.964605][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  696.964609][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  696.964614][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  696.964617][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.964620][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  696.964624][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.964626][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  696.964628][   T12]  ? 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)
[  696.964631][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  696.964634][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  696.964637][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  696.964640][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  696.964643][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  696.964645][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  696.964648][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  696.964652][   T12]  ? kthread (kernel/kthread.c:436)
[  696.964655][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  696.964659][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  696.964663][   T12]  _printk (kernel/printk/printk.c:2504)
[  696.964667][   T12]  ? snapshot_read.cold (user.c:?)
[  696.964671][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  696.964676][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  696.964679][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  696.964683][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  696.964687][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.964689][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  696.964691][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  696.964696][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  696.964699][   T12]  ? 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)
[  696.964701][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  696.964706][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  696.964710][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  696.964725][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  696.964729][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  696.964733][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  696.964737][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  696.964740][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  696.964745][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  696.964748][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  696.964752][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  696.964755][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  696.964759][   T12]  process_one_work (kernel/workqueue.c:3387)
[  696.964764][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  696.964768][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  696.964773][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  696.964778][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  696.964781][   T12]  kthread (kernel/kthread.c:436)
[  696.964784][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  696.964787][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  696.964791][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  696.964794][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  696.964797][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  696.964801][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  696.964805][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  698.019513][T12605] softirqs last disabled at (0): 0x0
| [  698.019516][T12605] Preemption disabled at:
| [  698.019517][T12605] vprintk_emit (kernel/printk/printk.c:2471)
| [  698.019534][T12605] Tainted: [W]=WARN
[  698.019536][T12605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  698.019539][T12605] Call Trace:
[  698.019541][T12605]  <TASK>
[  698.019544][T12605]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  698.019552][T12605]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  698.019555][T12605]  __might_resched.cold (kernel/sched/core.c:9234)
[  698.019560][T12605]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  698.019564][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019568][T12605]  __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))
[  698.019572][T12605]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.019577][T12605]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.019583][T12605]  ? 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)
[  698.019586][T12605]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  698.019591][T12605]  put_chars (drivers/char/virtio_console.c:1176)
[  698.019594][T12605]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  698.019596][T12605]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  698.019600][T12605]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  698.019603][T12605]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  698.019608][T12605]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  698.019615][T12605]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  698.019618][T12605]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.019621][T12605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.019625][T12605]  console_emit_next_record (kernel/printk/printk.c:3183)
[  698.019630][T12605]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  698.019634][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019636][T12605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.019640][T12605]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  698.019643][T12605]  console_flush_one_record (kernel/printk/printk.c:3268)
[  698.019647][T12605]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  698.019652][T12605]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  698.019655][T12605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.019658][T12605]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  698.019661][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019663][T12605]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.019666][T12605]  ? 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)
[  698.019669][T12605]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  698.019672][T12605]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  698.019675][T12605]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  698.019678][T12605]  vprintk_emit (kernel/printk/printk.c:2479)
[  698.019681][T12605]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  698.019683][T12605]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  698.019687][T12605]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  698.019689][T12605]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  698.019694][T12605]  _printk (kernel/printk/printk.c:2504)
[  698.019698][T12605]  ? snapshot_read.cold (user.c:?)
[  698.019702][T12605]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  698.019705][T12605]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  698.019714][T12605]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  698.019718][T12605]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.019733][T12605]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  698.019737][T12605]  ? netdev_notice (net/core/dev.c:13194)
[  698.019740][T12605]  ? 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)
[  698.019743][T12605]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  698.019747][T12605]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  698.019749][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019752][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019754][T12605]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  698.019756][T12605]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  698.019759][T12605]  ? 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)
[  698.019762][T12605]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.019765][T12605]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  698.019768][T12605]  ? register_netdev (net/core/dev.c:11618)
[  698.019770][T12605]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.019774][T12605]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  698.019778][T12605]  ? __kernel_text_address (kernel/extable.c:79)
[  698.019782][T12605]  ? write_profile (profile.c:?)
[  698.019787][T12605]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  698.019792][T12605]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  698.019795][T12605]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  698.019798][T12605]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  698.019800][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019802][T12605]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  698.019808][T12605]  ? kasan_save_stack (mm/kasan/common.c:58)
[  698.019811][T12605]  ? kasan_save_stack (mm/kasan/common.c:57)
[  698.019813][T12605]  ? kasan_save_track (mm/kasan/common.c:78)
[  698.019815][T12605]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  698.019818][T12605]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  698.019820][T12605]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  698.019822][T12605]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  698.019825][T12605]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  698.019829][T12605]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  698.019832][T12605]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  698.019835][T12605]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  698.019838][T12605]  ? ____sys_sendmsg (net/socket.c:2713)
[  698.019841][T12605]  ? ___sys_sendmsg (net/socket.c:2767)
[  698.019844][T12605]  ? __sys_sendmsg (net/socket.c:2799)
[  698.019847][T12605]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  698.019851][T12605]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  698.019855][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019857][T12605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.019860][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019862][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019864][T12605]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  698.019867][T12605]  ? __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)
[  698.019870][T12605]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  698.019872][T12605]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  698.019875][T12605]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  698.019877][T12605]  ? nla_get_range_signed (lib/nlattr.c:270)
[  698.019882][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019885][T12605]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  698.019889][T12605]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  698.019893][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019895][T12605]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.019898][T12605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.019900][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019903][T12605]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  698.019906][T12605]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  698.019909][T12605]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  698.019912][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019914][T12605]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  698.019919][T12605]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  698.019922][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019925][T12605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.019927][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019930][T12605]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  698.019932][T12605]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  698.019936][T12605]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.019938][T12605]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  698.019941][T12605]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  698.019945][T12605]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  698.019948][T12605]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  698.019950][T12605]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.019953][T12605]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  698.019956][T12605]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  698.019961][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.019963][T12605]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  698.019967][T12605]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  698.019971][T12605]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  698.019974][T12605]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  698.019980][T12605]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  698.019985][T12605]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  698.019988][T12605]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  698.019991][T12605]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  698.019994][T12605]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  698.019999][T12605]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  698.020002][T12605]  ____sys_sendmsg (net/socket.c:2713)
[  698.020005][T12605]  ? copy_msghdr_from_user (net/socket.c:2650)
[  698.020008][T12605]  ? sock_write_iter (net/socket.c:1269)
[  698.020011][T12605]  ? move_addr_to_kernel (net/socket.c:258)
[  698.020014][T12605]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  698.020019][T12605]  ___sys_sendmsg (net/socket.c:2767)
[  698.020022][T12605]  ? copy_msghdr_from_user (net/socket.c:2619)
[  698.020031][T12605]  __sys_sendmsg (net/socket.c:2799)
[  698.020034][T12605]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  698.020039][T12605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  698.020042][T12605]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  698.020045][T12605]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  698.020048][T12605]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  698.020051][T12605] RIP: 0033:0x7f1385c2754e
[  698.020057][T12605] 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
[  698.020060][T12605] RSP: 002b:00007ffee745f290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  698.020065][T12605] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1385c2754e
[  698.020068][T12605] RDX: 0000000000000000 RSI: 00007ffee745f340 RDI: 0000000000000005
[  698.020069][T12605] RBP: 00007ffee745f2a0 R08: 0000000000000000 R09: 0000000000000000
[  698.020071][T12605] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152b3
[  698.020073][T12605] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee745fa00
| [  699.731855][T12679] softirqs last disabled at (0): 0x0
| [  699.731857][T12679] Preemption disabled at:
| [  699.731858][T12679] vprintk_emit (kernel/printk/printk.c:2471)
| [  699.731868][T12679] Tainted: [W]=WARN
[  699.731870][T12679] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  699.731872][T12679] Call Trace:
[  699.731873][T12679]  <TASK>
[  699.731875][T12679]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  699.731880][T12679]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  699.731882][T12679]  __might_resched.cold (kernel/sched/core.c:9234)
[  699.731886][T12679]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  699.731888][T12679]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  699.731892][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.731894][T12679]  __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))
[  699.731897][T12679]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.731901][T12679]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  699.731906][T12679]  ? 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)
[  699.731908][T12679]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  699.731911][T12679]  put_chars (drivers/char/virtio_console.c:1176)
[  699.731912][T12679]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  699.731914][T12679]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  699.731917][T12679]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  699.731922][T12679]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  699.731924][T12679]  ? vsnprintf (lib/vsprintf.c:2900)
[  699.731928][T12679]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.731930][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.731931][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.731933][T12679]  console_emit_next_record (kernel/printk/printk.c:3183)
[  699.731936][T12679]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  699.731938][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.731939][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.731940][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.731941][T12679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.731944][T12679]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  699.731946][T12679]  console_flush_one_record (kernel/printk/printk.c:3268)
[  699.731948][T12679]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  699.731951][T12679]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  699.731953][T12679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.731955][T12679]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  699.731957][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.731958][T12679]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.731960][T12679]  ? 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)
[  699.731962][T12679]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  699.731963][T12679]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  699.731966][T12679]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  699.731967][T12679]  vprintk_emit (kernel/printk/printk.c:2479)
[  699.731969][T12679]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  699.731970][T12679]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  699.731972][T12679]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  699.731977][T12679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.731980][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.731983][T12679]  _printk (kernel/printk/printk.c:2504)
[  699.731988][T12679]  ? snapshot_read.cold (user.c:?)
[  699.731990][T12679]  ? br_multicast_flood (??:?)
[  699.731994][T12679]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  699.731997][T12679]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  699.731998][T12679]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  699.732000][T12679]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  699.732003][T12679]  br_init_port (net/bridge/br_stp_if.c:39)
[  699.732005][T12679]  new_nbp (net/bridge/br_if.c:449)
[  699.732007][T12679]  br_add_if (net/bridge/br_if.c:592)
[  699.732009][T12679]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  699.732014][T12679]  do_set_master (net/core/rtnetlink.c:3071)
[  699.732016][T12679]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  699.732018][T12679]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  699.732019][T12679]  ? __dev_get_by_name (net/core/dev.c:905)
[  699.732021][T12679]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  699.732025][T12679]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  699.732028][T12679]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  699.732031][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.732032][T12679]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  699.732034][T12679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.732035][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.732037][T12679]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  699.732040][T12679]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  699.732042][T12679]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  699.732044][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.732045][T12679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.732047][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.732048][T12679]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  699.732050][T12679]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  699.732052][T12679]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  699.732053][T12679]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  699.732055][T12679]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  699.732059][T12679]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  699.732062][T12679]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  699.732064][T12679]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.732065][T12679]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  699.732067][T12679]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  699.732070][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.732071][T12679]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  699.732074][T12679]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  699.732076][T12679]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  699.732078][T12679]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  699.732081][T12679]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  699.732084][T12679]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  699.732087][T12679]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  699.732089][T12679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.732091][T12679]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  699.732094][T12679]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  699.732098][T12679]  ____sys_sendmsg (net/socket.c:2713)
[  699.732100][T12679]  ? copy_msghdr_from_user (net/socket.c:2650)
[  699.732102][T12679]  ? sock_write_iter (net/socket.c:1269)
[  699.732103][T12679]  ? move_addr_to_kernel (net/socket.c:258)
[  699.732106][T12679]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  699.732108][T12679]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  699.732110][T12679]  ___sys_sendmsg (net/socket.c:2767)
[  699.732112][T12679]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  699.732114][T12679]  ? copy_msghdr_from_user (net/socket.c:2619)
[  699.732116][T12679]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  699.732121][T12679]  __sys_sendmsg (net/socket.c:2799)
[  699.732123][T12679]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  699.732126][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.732127][T12679]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  699.732129][T12679]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  699.732132][T12679]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  699.732134][T12679]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  699.732136][T12679] RIP: 0033:0x7f8f70d8f54e
[  699.732138][T12679] 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
[  699.732140][T12679] RSP: 002b:00007fff46293070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  699.732144][T12679] RAX: ffffffffffffffda RBX: 00007fff46293838 RCX: 00007f8f70d8f54e
[  699.732145][T12679] RDX: 0000000000000000 RSI: 00007fff46293120 RDI: 0000000000000005
[  699.732147][T12679] RBP: 00007fff46293080 R08: 0000000000000000 R09: 0000000000000000
[  699.732148][T12679] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152b5
[  699.732149][T12679] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff462937f0
| [  701.316985][T12738] softirqs last disabled at (0): 0x0
| [  701.316988][T12738] Preemption disabled at:
| [  701.316988][T12738] vprintk_emit (kernel/printk/printk.c:2471)
| [  701.316999][T12738] Tainted: [W]=WARN
[  701.317000][T12738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  701.317002][T12738] Call Trace:
[  701.317004][T12738]  <TASK>
[  701.317006][T12738]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  701.317011][T12738]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  701.317013][T12738]  __might_resched.cold (kernel/sched/core.c:9234)
[  701.317017][T12738]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  701.317019][T12738]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  701.317023][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317026][T12738]  __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))
[  701.317029][T12738]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  701.317032][T12738]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  701.317037][T12738]  ? 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)
[  701.317039][T12738]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  701.317042][T12738]  put_chars (drivers/char/virtio_console.c:1176)
[  701.317044][T12738]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  701.317046][T12738]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  701.317049][T12738]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  701.317054][T12738]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  701.317056][T12738]  ? vsnprintf (lib/vsprintf.c:2900)
[  701.317059][T12738]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  701.317061][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317062][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317064][T12738]  console_emit_next_record (kernel/printk/printk.c:3183)
[  701.317067][T12738]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  701.317069][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317070][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317071][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317073][T12738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.317075][T12738]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  701.317077][T12738]  console_flush_one_record (kernel/printk/printk.c:3268)
[  701.317080][T12738]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  701.317083][T12738]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  701.317085][T12738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.317087][T12738]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  701.317088][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317090][T12738]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  701.317091][T12738]  ? 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)
[  701.317093][T12738]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  701.317095][T12738]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  701.317097][T12738]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  701.317098][T12738]  vprintk_emit (kernel/printk/printk.c:2479)
[  701.317100][T12738]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  701.317102][T12738]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  701.317104][T12738]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  701.317107][T12738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.317109][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317110][T12738]  _printk (kernel/printk/printk.c:2504)
[  701.317113][T12738]  ? snapshot_read.cold (user.c:?)
[  701.317116][T12738]  ? br_multicast_flood (??:?)
[  701.317119][T12738]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  701.317122][T12738]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  701.317123][T12738]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  701.317125][T12738]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  701.317128][T12738]  br_init_port (net/bridge/br_stp_if.c:39)
[  701.317130][T12738]  new_nbp (net/bridge/br_if.c:449)
[  701.317133][T12738]  br_add_if (net/bridge/br_if.c:592)
[  701.317135][T12738]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  701.317139][T12738]  do_set_master (net/core/rtnetlink.c:3071)
[  701.317141][T12738]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  701.317143][T12738]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  701.317145][T12738]  ? __dev_get_by_name (net/core/dev.c:905)
[  701.317147][T12738]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  701.317151][T12738]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  701.317154][T12738]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  701.317156][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317157][T12738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  701.317159][T12738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.317160][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317162][T12738]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  701.317165][T12738]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  701.317167][T12738]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  701.317169][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317170][T12738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.317172][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317173][T12738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  701.317175][T12738]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  701.317177][T12738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  701.317178][T12738]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  701.317180][T12738]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  701.317184][T12738]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  701.317187][T12738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  701.317188][T12738]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  701.317190][T12738]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  701.317192][T12738]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  701.317195][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317196][T12738]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  701.317199][T12738]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  701.317201][T12738]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  701.317203][T12738]  ? next_uptodate_folio (mm/filemap.c:3747)
[  701.317206][T12738]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  701.317209][T12738]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  701.317211][T12738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.317213][T12738]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  701.317216][T12738]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  701.317220][T12738]  ____sys_sendmsg (net/socket.c:2713)
[  701.317221][T12738]  ? copy_msghdr_from_user (net/socket.c:2650)
[  701.317223][T12738]  ? sock_write_iter (net/socket.c:1269)
[  701.317225][T12738]  ? move_addr_to_kernel (net/socket.c:258)
[  701.317227][T12738]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  701.317230][T12738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  701.317232][T12738]  ___sys_sendmsg (net/socket.c:2767)
[  701.317234][T12738]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  701.317236][T12738]  ? copy_msghdr_from_user (net/socket.c:2619)
[  701.317238][T12738]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  701.317243][T12738]  __sys_sendmsg (net/socket.c:2799)
[  701.317245][T12738]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  701.317248][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317249][T12738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  701.317251][T12738]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  701.317254][T12738]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  701.317256][T12738]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  701.317258][T12738] RIP: 0033:0x7fdfef94c54e
[  701.317260][T12738] 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
[  701.317263][T12738] RSP: 002b:00007ffd9beb5fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  701.317266][T12738] RAX: ffffffffffffffda RBX: 00007ffd9beb6798 RCX: 00007fdfef94c54e
[  701.317268][T12738] RDX: 0000000000000000 RSI: 00007ffd9beb6080 RDI: 0000000000000005
[  701.317269][T12738] RBP: 00007ffd9beb5fe0 R08: 0000000000000000 R09: 0000000000000000
[  701.317270][T12738] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152b6
[  701.317271][T12738] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9beb6750
| [  708.469413][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  708.469417][   T12] Preemption disabled at:
| [  708.469418][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  708.469432][   T12] Tainted: [W]=WARN
[  708.469434][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  708.469436][   T12] Workqueue: netns cleanup_net
[  708.469444][   T12] Call Trace:
[  708.469446][   T12]  <TASK>
[  708.469449][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  708.469457][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  708.469460][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  708.469465][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  708.469469][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  708.469474][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.469478][   T12]  __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))
[  708.469483][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.469487][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.469494][   T12]  ? 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)
[  708.469498][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  708.469502][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  708.469505][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  708.469508][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  708.469513][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  708.469519][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  708.469522][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  708.469526][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.469529][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.469531][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.469534][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  708.469539][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  708.469542][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.469544][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.469546][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.469548][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.469552][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  708.469555][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  708.469559][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  708.469564][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  708.469567][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.469570][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  708.469573][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.469575][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  708.469578][   T12]  ? 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)
[  708.469581][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  708.469584][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  708.469587][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  708.469589][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  708.469593][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  708.469595][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  708.469597][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  708.469601][   T12]  ? kthread (kernel/kthread.c:436)
[  708.469604][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  708.469608][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  708.469613][   T12]  _printk (kernel/printk/printk.c:2504)
[  708.469617][   T12]  ? snapshot_read.cold (user.c:?)
[  708.469621][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  708.469626][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  708.469629][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  708.469633][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  708.469637][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.469639][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  708.469641][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  708.469646][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  708.469648][   T12]  ? 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)
[  708.469651][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  708.469655][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  708.469659][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  708.469665][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  708.469668][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  708.469672][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  708.469676][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  708.469680][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  708.469684][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  708.469688][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  708.469692][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  708.469695][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  708.469698][   T12]  process_one_work (kernel/workqueue.c:3387)
[  708.469704][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  708.469708][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  708.469713][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  708.469718][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  708.469721][   T12]  kthread (kernel/kthread.c:436)
[  708.469724][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  708.469727][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  708.469730][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  708.469733][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  708.469737][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  708.469741][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  708.469744][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  709.474578][T12858] softirqs last disabled at (0): 0x0
| [  709.474581][T12858] Preemption disabled at:
| [  709.474582][T12858] vprintk_emit (kernel/printk/printk.c:2471)
| [  709.474597][T12858] Tainted: [W]=WARN
[  709.474598][T12858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  709.474601][T12858] Call Trace:
[  709.474603][T12858]  <TASK>
[  709.474605][T12858]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  709.474612][T12858]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  709.474615][T12858]  __might_resched.cold (kernel/sched/core.c:9234)
[  709.474620][T12858]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  709.474625][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474629][T12858]  __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))
[  709.474633][T12858]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.474638][T12858]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.474644][T12858]  ? 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)
[  709.474647][T12858]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  709.474652][T12858]  put_chars (drivers/char/virtio_console.c:1176)
[  709.474655][T12858]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  709.474657][T12858]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  709.474661][T12858]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  709.474665][T12858]  ? pointer (lib/vsprintf.c:2577)
[  709.474670][T12858]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  709.474676][T12858]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  709.474679][T12858]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.474682][T12858]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.474687][T12858]  console_emit_next_record (kernel/printk/printk.c:3183)
[  709.474691][T12858]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  709.474695][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474697][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474699][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474701][T12858]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.474705][T12858]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  709.474708][T12858]  console_flush_one_record (kernel/printk/printk.c:3268)
[  709.474712][T12858]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  709.474717][T12858]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  709.474720][T12858]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.474723][T12858]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  709.474726][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474728][T12858]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.474730][T12858]  ? 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)
[  709.474733][T12858]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  709.474736][T12858]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  709.474740][T12858]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  709.474742][T12858]  vprintk_emit (kernel/printk/printk.c:2479)
[  709.474745][T12858]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  709.474747][T12858]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  709.474751][T12858]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  709.474756][T12858]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  709.474760][T12858]  _printk (kernel/printk/printk.c:2504)
[  709.474764][T12858]  ? snapshot_read.cold (user.c:?)
[  709.474768][T12858]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  709.474771][T12858]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  709.474775][T12858]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  709.474779][T12858]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.474789][T12858]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  709.474793][T12858]  ? netdev_notice (net/core/dev.c:13194)
[  709.474796][T12858]  ? 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)
[  709.474799][T12858]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  709.474803][T12858]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  709.474806][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474808][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474810][T12858]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  709.474813][T12858]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  709.474816][T12858]  ? 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)
[  709.474818][T12858]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.474821][T12858]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  709.474824][T12858]  ? register_netdev (net/core/dev.c:11618)
[  709.474826][T12858]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.474830][T12858]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  709.474834][T12858]  ? __kernel_text_address (kernel/extable.c:79)
[  709.474837][T12858]  ? write_profile (profile.c:?)
[  709.474841][T12858]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  709.474847][T12858]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  709.474851][T12858]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  709.474853][T12858]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  709.474856][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474858][T12858]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  709.474863][T12858]  ? kasan_save_stack (mm/kasan/common.c:58)
[  709.474866][T12858]  ? kasan_save_stack (mm/kasan/common.c:57)
[  709.474868][T12858]  ? kasan_save_track (mm/kasan/common.c:78)
[  709.474871][T12858]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  709.474873][T12858]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  709.474875][T12858]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  709.474877][T12858]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  709.474879][T12858]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  709.474884][T12858]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  709.474886][T12858]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  709.474889][T12858]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  709.474893][T12858]  ? ____sys_sendmsg (net/socket.c:2713)
[  709.474895][T12858]  ? ___sys_sendmsg (net/socket.c:2767)
[  709.474897][T12858]  ? __sys_sendmsg (net/socket.c:2799)
[  709.474900][T12858]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  709.474904][T12858]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.474908][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474910][T12858]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.474913][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474915][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474917][T12858]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  709.474920][T12858]  ? __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)
[  709.474922][T12858]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  709.474925][T12858]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  709.474928][T12858]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  709.474930][T12858]  ? nla_get_range_signed (lib/nlattr.c:270)
[  709.474935][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474937][T12858]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  709.474941][T12858]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  709.474945][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474947][T12858]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.474949][T12858]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.474952][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474954][T12858]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  709.474958][T12858]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  709.474960][T12858]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  709.474963][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474966][T12858]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  709.474970][T12858]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  709.474974][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474976][T12858]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.474979][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.474982][T12858]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  709.474985][T12858]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  709.474989][T12858]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.474991][T12858]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  709.474994][T12858]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  709.474998][T12858]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  709.475001][T12858]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  709.475004][T12858]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.475007][T12858]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  709.475009][T12858]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  709.475015][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.475017][T12858]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  709.475021][T12858]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  709.475025][T12858]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  709.475028][T12858]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.475031][T12858]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  709.475035][T12858]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  709.475038][T12858]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  709.475041][T12858]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  709.475044][T12858]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  709.475049][T12858]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  709.475052][T12858]  ____sys_sendmsg (net/socket.c:2713)
[  709.475055][T12858]  ? copy_msghdr_from_user (net/socket.c:2650)
[  709.475058][T12858]  ? sock_write_iter (net/socket.c:1269)
[  709.475060][T12858]  ? move_addr_to_kernel (net/socket.c:258)
[  709.475063][T12858]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  709.475068][T12858]  ___sys_sendmsg (net/socket.c:2767)
[  709.475071][T12858]  ? copy_msghdr_from_user (net/socket.c:2619)
[  709.475080][T12858]  __sys_sendmsg (net/socket.c:2799)
[  709.475083][T12858]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  709.475088][T12858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  709.475091][T12858]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  709.475094][T12858]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  709.475098][T12858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  709.475100][T12858] RIP: 0033:0x7f686de1e54e
[  709.475104][T12858] 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
[  709.475107][T12858] RSP: 002b:00007ffee1c6ade0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  709.475112][T12858] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f686de1e54e
[  709.475114][T12858] RDX: 0000000000000000 RSI: 00007ffee1c6ae90 RDI: 0000000000000005
[  709.475116][T12858] RBP: 00007ffee1c6adf0 R08: 0000000000000000 R09: 0000000000000000
[  709.475118][T12858] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152be
[  709.475120][T12858] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee1c6b550
| [  711.097576][T12933] softirqs last disabled at (0): 0x0
| [  711.097579][T12933] Preemption disabled at:
| [  711.097580][T12933] vprintk_emit (kernel/printk/printk.c:2471)
| [  711.097594][T12933] Tainted: [W]=WARN
[  711.097595][T12933] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  711.097598][T12933] Call Trace:
[  711.097600][T12933]  <TASK>
[  711.097602][T12933]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  711.097609][T12933]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  711.097611][T12933]  __might_resched.cold (kernel/sched/core.c:9234)
[  711.097616][T12933]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  711.097619][T12933]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  711.097623][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097627][T12933]  __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))
[  711.097631][T12933]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  711.097635][T12933]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  711.097642][T12933]  ? 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)
[  711.097644][T12933]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  711.097648][T12933]  put_chars (drivers/char/virtio_console.c:1176)
[  711.097651][T12933]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  711.097654][T12933]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  711.097658][T12933]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  711.097665][T12933]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  711.097667][T12933]  ? vsnprintf (lib/vsprintf.c:2900)
[  711.097672][T12933]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  711.097675][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097676][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097679][T12933]  console_emit_next_record (kernel/printk/printk.c:3183)
[  711.097683][T12933]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  711.097687][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097689][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097691][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097692][T12933]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.097696][T12933]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  711.097699][T12933]  console_flush_one_record (kernel/printk/printk.c:3268)
[  711.097703][T12933]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  711.097707][T12933]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  711.097710][T12933]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.097713][T12933]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  711.097716][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097717][T12933]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  711.097720][T12933]  ? 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)
[  711.097722][T12933]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  711.097725][T12933]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  711.097728][T12933]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  711.097731][T12933]  vprintk_emit (kernel/printk/printk.c:2479)
[  711.097733][T12933]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  711.097735][T12933]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  711.097738][T12933]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  711.097742][T12933]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.097744][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097747][T12933]  _printk (kernel/printk/printk.c:2504)
[  711.097751][T12933]  ? snapshot_read.cold (user.c:?)
[  711.097754][T12933]  ? br_multicast_flood (??:?)
[  711.097759][T12933]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  711.097762][T12933]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  711.097764][T12933]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  711.097767][T12933]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  711.097771][T12933]  br_init_port (net/bridge/br_stp_if.c:39)
[  711.097774][T12933]  new_nbp (net/bridge/br_if.c:449)
[  711.097777][T12933]  br_add_if (net/bridge/br_if.c:592)
[  711.097780][T12933]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  711.097786][T12933]  do_set_master (net/core/rtnetlink.c:3071)
[  711.097789][T12933]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  711.097799][T12933]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  711.097801][T12933]  ? __dev_get_by_name (net/core/dev.c:905)
[  711.097804][T12933]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  711.097810][T12933]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  711.097814][T12933]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  711.097817][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097820][T12933]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.097822][T12933]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.097824][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097827][T12933]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  711.097830][T12933]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  711.097834][T12933]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  711.097837][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097839][T12933]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.097841][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097844][T12933]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  711.097846][T12933]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  711.097849][T12933]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  711.097851][T12933]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  711.097853][T12933]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  711.097859][T12933]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  711.097863][T12933]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  711.097865][T12933]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  711.097868][T12933]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  711.097870][T12933]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  711.097875][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097877][T12933]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  711.097880][T12933]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  711.097884][T12933]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  711.097887][T12933]  ? next_uptodate_folio (mm/filemap.c:3747)
[  711.097891][T12933]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  711.097895][T12933]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  711.097898][T12933]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.097901][T12933]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  711.097905][T12933]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  711.097909][T12933]  ____sys_sendmsg (net/socket.c:2713)
[  711.097912][T12933]  ? copy_msghdr_from_user (net/socket.c:2650)
[  711.097915][T12933]  ? sock_write_iter (net/socket.c:1269)
[  711.097917][T12933]  ? move_addr_to_kernel (net/socket.c:258)
[  711.097921][T12933]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  711.097925][T12933]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  711.097928][T12933]  ___sys_sendmsg (net/socket.c:2767)
[  711.097931][T12933]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  711.097934][T12933]  ? copy_msghdr_from_user (net/socket.c:2619)
[  711.097937][T12933]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  711.097945][T12933]  __sys_sendmsg (net/socket.c:2799)
[  711.097948][T12933]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  711.097953][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097955][T12933]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  711.097957][T12933]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  711.097961][T12933]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  711.097964][T12933]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  711.097968][T12933] RIP: 0033:0x7f6e3943254e
[  711.097971][T12933] 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
[  711.097974][T12933] RSP: 002b:00007ffd50dd6aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  711.097979][T12933] RAX: ffffffffffffffda RBX: 00007ffd50dd7268 RCX: 00007f6e3943254e
[  711.097982][T12933] RDX: 0000000000000000 RSI: 00007ffd50dd6b50 RDI: 0000000000000005
[  711.097984][T12933] RBP: 00007ffd50dd6ab0 R08: 0000000000000000 R09: 0000000000000000
[  711.097985][T12933] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152c0
[  711.097987][T12933] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd50dd7220
| [  712.127225][T12971] softirqs last disabled at (0): 0x0
| [  712.127228][T12971] Preemption disabled at:
| [  712.127229][T12971] vprintk_emit (kernel/printk/printk.c:2471)
| [  712.127244][T12971] Tainted: [W]=WARN
[  712.127245][T12971] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  712.127248][T12971] Call Trace:
[  712.127250][T12971]  <TASK>
[  712.127252][T12971]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  712.127259][T12971]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  712.127261][T12971]  __might_resched.cold (kernel/sched/core.c:9234)
[  712.127267][T12971]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  712.127272][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127276][T12971]  __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))
[  712.127280][T12971]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  712.127284][T12971]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  712.127290][T12971]  ? 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)
[  712.127293][T12971]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  712.127298][T12971]  put_chars (drivers/char/virtio_console.c:1176)
[  712.127301][T12971]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  712.127303][T12971]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  712.127307][T12971]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  712.127310][T12971]  ? pointer (lib/vsprintf.c:2577)
[  712.127315][T12971]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  712.127322][T12971]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  712.127325][T12971]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  712.127328][T12971]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  712.127332][T12971]  console_emit_next_record (kernel/printk/printk.c:3183)
[  712.127336][T12971]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  712.127340][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127342][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127344][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127346][T12971]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  712.127350][T12971]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  712.127353][T12971]  console_flush_one_record (kernel/printk/printk.c:3268)
[  712.127356][T12971]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  712.127361][T12971]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  712.127364][T12971]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  712.127367][T12971]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  712.127370][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127372][T12971]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  712.127375][T12971]  ? 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)
[  712.127377][T12971]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  712.127380][T12971]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  712.127384][T12971]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  712.127386][T12971]  vprintk_emit (kernel/printk/printk.c:2479)
[  712.127390][T12971]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  712.127392][T12971]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  712.127395][T12971]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  712.127403][T12971]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  712.127408][T12971]  _printk (kernel/printk/printk.c:2504)
[  712.127412][T12971]  ? snapshot_read.cold (user.c:?)
[  712.127415][T12971]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  712.127419][T12971]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  712.127424][T12971]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  712.127428][T12971]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  712.127433][T12971]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  712.127437][T12971]  ? netdev_notice (net/core/dev.c:13194)
[  712.127440][T12971]  ? 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)
[  712.127444][T12971]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  712.127448][T12971]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  712.127451][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127453][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127455][T12971]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  712.127458][T12971]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  712.127461][T12971]  ? 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)
[  712.127463][T12971]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  712.127466][T12971]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  712.127469][T12971]  ? register_netdev (net/core/dev.c:11618)
[  712.127472][T12971]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  712.127476][T12971]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  712.127480][T12971]  ? __kernel_text_address (kernel/extable.c:79)
[  712.127484][T12971]  ? write_profile (profile.c:?)
[  712.127489][T12971]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  712.127494][T12971]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  712.127498][T12971]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  712.127501][T12971]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  712.127503][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127506][T12971]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  712.127511][T12971]  ? kasan_save_stack (mm/kasan/common.c:58)
[  712.127514][T12971]  ? kasan_save_stack (mm/kasan/common.c:57)
[  712.127517][T12971]  ? kasan_save_track (mm/kasan/common.c:78)
[  712.127519][T12971]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  712.127521][T12971]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  712.127524][T12971]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  712.127526][T12971]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  712.127528][T12971]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  712.127532][T12971]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  712.127535][T12971]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  712.127538][T12971]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  712.127542][T12971]  ? ____sys_sendmsg (net/socket.c:2713)
[  712.127544][T12971]  ? ___sys_sendmsg (net/socket.c:2767)
[  712.127547][T12971]  ? __sys_sendmsg (net/socket.c:2799)
[  712.127550][T12971]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  712.127554][T12971]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  712.127558][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127560][T12971]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  712.127563][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127565][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127568][T12971]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  712.127571][T12971]  ? __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)
[  712.127573][T12971]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  712.127576][T12971]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  712.127579][T12971]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  712.127581][T12971]  ? nla_get_range_signed (lib/nlattr.c:270)
[  712.127586][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127589][T12971]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  712.127593][T12971]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  712.127597][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127600][T12971]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  712.127602][T12971]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  712.127605][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127608][T12971]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  712.127612][T12971]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  712.127615][T12971]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  712.127618][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127620][T12971]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  712.127625][T12971]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  712.127628][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127631][T12971]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  712.127633][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127636][T12971]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  712.127639][T12971]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  712.127642][T12971]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  712.127645][T12971]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  712.127648][T12971]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  712.127653][T12971]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  712.127656][T12971]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  712.127658][T12971]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  712.127661][T12971]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  712.127664][T12971]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  712.127670][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127672][T12971]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  712.127676][T12971]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  712.127679][T12971]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  712.127683][T12971]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  712.127686][T12971]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  712.127690][T12971]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  712.127693][T12971]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  712.127697][T12971]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  712.127700][T12971]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  712.127705][T12971]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  712.127709][T12971]  ____sys_sendmsg (net/socket.c:2713)
[  712.127712][T12971]  ? copy_msghdr_from_user (net/socket.c:2650)
[  712.127715][T12971]  ? sock_write_iter (net/socket.c:1269)
[  712.127718][T12971]  ? move_addr_to_kernel (net/socket.c:258)
[  712.127720][T12971]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  712.127726][T12971]  ___sys_sendmsg (net/socket.c:2767)
[  712.127730][T12971]  ? copy_msghdr_from_user (net/socket.c:2619)
[  712.127740][T12971]  __sys_sendmsg (net/socket.c:2799)
[  712.127743][T12971]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  712.127748][T12971]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  712.127751][T12971]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  712.127755][T12971]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  712.127758][T12971]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  712.127761][T12971] RIP: 0033:0x7fae25b8954e
[  712.127765][T12971] 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
[  712.127768][T12971] RSP: 002b:00007ffefbf5b740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  712.127773][T12971] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fae25b8954e
[  712.127775][T12971] RDX: 0000000000000000 RSI: 00007ffefbf5b7f0 RDI: 0000000000000005
[  712.127777][T12971] RBP: 00007ffefbf5b750 R08: 0000000000000000 R09: 0000000000000000
[  712.127779][T12971] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152c1
[  712.127781][T12971] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefbf5beb0
| [  713.722919][T13029] softirqs last disabled at (0): 0x0
| [  713.722921][T13029] Preemption disabled at:
| [  713.722922][T13029] vprintk_emit (kernel/printk/printk.c:2471)
| [  713.722933][T13029] Tainted: [W]=WARN
[  713.722934][T13029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  713.722936][T13029] Call Trace:
[  713.722938][T13029]  <TASK>
[  713.722939][T13029]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  713.722945][T13029]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  713.722947][T13029]  __might_resched.cold (kernel/sched/core.c:9234)
[  713.722950][T13029]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  713.722953][T13029]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  713.722957][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.722959][T13029]  __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))
[  713.722962][T13029]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  713.722966][T13029]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  713.722971][T13029]  ? 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)
[  713.722974][T13029]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  713.722978][T13029]  put_chars (drivers/char/virtio_console.c:1176)
[  713.722982][T13029]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  713.722985][T13029]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  713.722989][T13029]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  713.722995][T13029]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  713.722997][T13029]  ? vsnprintf (lib/vsprintf.c:2900)
[  713.723001][T13029]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  713.723003][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723004][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723006][T13029]  console_emit_next_record (kernel/printk/printk.c:3183)
[  713.723009][T13029]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  713.723012][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723013][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723014][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723016][T13029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.723018][T13029]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  713.723020][T13029]  console_flush_one_record (kernel/printk/printk.c:3268)
[  713.723023][T13029]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  713.723026][T13029]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  713.723028][T13029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.723029][T13029]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  713.723031][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723032][T13029]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  713.723034][T13029]  ? 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)
[  713.723036][T13029]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  713.723037][T13029]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  713.723039][T13029]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  713.723041][T13029]  vprintk_emit (kernel/printk/printk.c:2479)
[  713.723042][T13029]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  713.723044][T13029]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  713.723046][T13029]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  713.723049][T13029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.723050][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723052][T13029]  _printk (kernel/printk/printk.c:2504)
[  713.723056][T13029]  ? snapshot_read.cold (user.c:?)
[  713.723058][T13029]  ? br_multicast_flood (??:?)
[  713.723061][T13029]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  713.723065][T13029]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  713.723066][T13029]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  713.723068][T13029]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  713.723071][T13029]  br_init_port (net/bridge/br_stp_if.c:39)
[  713.723073][T13029]  new_nbp (net/bridge/br_if.c:449)
[  713.723075][T13029]  br_add_if (net/bridge/br_if.c:592)
[  713.723077][T13029]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  713.723082][T13029]  do_set_master (net/core/rtnetlink.c:3071)
[  713.723083][T13029]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  713.723085][T13029]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  713.723087][T13029]  ? __dev_get_by_name (net/core/dev.c:905)
[  713.723089][T13029]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  713.723093][T13029]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  713.723096][T13029]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  713.723098][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723099][T13029]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  713.723100][T13029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.723102][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723104][T13029]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  713.723106][T13029]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  713.723108][T13029]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  713.723111][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723112][T13029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.723114][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723115][T13029]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  713.723116][T13029]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  713.723118][T13029]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  713.723120][T13029]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  713.723121][T13029]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  713.723126][T13029]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  713.723129][T13029]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  713.723130][T13029]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  713.723132][T13029]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  713.723133][T13029]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  713.723137][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723138][T13029]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  713.723140][T13029]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  713.723143][T13029]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  713.723145][T13029]  ? next_uptodate_folio (mm/filemap.c:3747)
[  713.723148][T13029]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  713.723150][T13029]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  713.723153][T13029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.723154][T13029]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  713.723158][T13029]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  713.723161][T13029]  ____sys_sendmsg (net/socket.c:2713)
[  713.723163][T13029]  ? copy_msghdr_from_user (net/socket.c:2650)
[  713.723165][T13029]  ? sock_write_iter (net/socket.c:1269)
[  713.723166][T13029]  ? move_addr_to_kernel (net/socket.c:258)
[  713.723169][T13029]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  713.723171][T13029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  713.723173][T13029]  ___sys_sendmsg (net/socket.c:2767)
[  713.723175][T13029]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  713.723177][T13029]  ? copy_msghdr_from_user (net/socket.c:2619)
[  713.723179][T13029]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  713.723184][T13029]  __sys_sendmsg (net/socket.c:2799)
[  713.723186][T13029]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  713.723189][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723190][T13029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  713.723192][T13029]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  713.723195][T13029]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  713.723197][T13029]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  713.723199][T13029] RIP: 0033:0x7f8a0a5fa54e
[  713.723201][T13029] 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
[  713.723203][T13029] RSP: 002b:00007fff5069e6d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  713.723207][T13029] RAX: ffffffffffffffda RBX: 00007fff5069ee98 RCX: 00007f8a0a5fa54e
[  713.723209][T13029] RDX: 0000000000000000 RSI: 00007fff5069e780 RDI: 0000000000000005
[  713.723210][T13029] RBP: 00007fff5069e6e0 R08: 0000000000000000 R09: 0000000000000000
[  713.723211][T13029] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152c3
[  713.723212][T13029] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5069ee50
| [  720.020388][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  720.020392][   T12] Preemption disabled at:
| [  720.020393][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  720.020412][   T12] Tainted: [W]=WARN
[  720.020414][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  720.020417][   T12] Workqueue: netns cleanup_net
[  720.020424][   T12] Call Trace:
[  720.020426][   T12]  <TASK>
[  720.020429][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  720.020436][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  720.020439][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  720.020444][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  720.020447][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  720.020452][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.020455][   T12]  __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))
[  720.020460][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.020464][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  720.020470][   T12]  ? 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)
[  720.020473][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  720.020477][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  720.020480][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  720.020484][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  720.020488][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  720.020494][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  720.020497][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  720.020501][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.020503][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.020506][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.020509][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  720.020513][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  720.020517][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.020519][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.020521][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.020523][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.020527][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  720.020530][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  720.020534][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  720.020539][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  720.020542][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.020545][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  720.020548][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.020550][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  720.020553][   T12]  ? 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)
[  720.020555][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  720.020558][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  720.020561][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  720.020564][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  720.020567][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  720.020569][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  720.020572][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  720.020576][   T12]  ? kthread (kernel/kthread.c:436)
[  720.020579][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  720.020583][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  720.020587][   T12]  _printk (kernel/printk/printk.c:2504)
[  720.020591][   T12]  ? snapshot_read.cold (user.c:?)
[  720.020595][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  720.020600][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  720.020603][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  720.020607][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  720.020610][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.020613][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  720.020615][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  720.020619][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  720.020622][   T12]  ? 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)
[  720.020625][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  720.020628][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  720.020632][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  720.020638][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  720.020641][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  720.020645][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  720.020648][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  720.020652][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  720.020656][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  720.020659][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  720.020663][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  720.020666][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  720.020669][   T12]  process_one_work (kernel/workqueue.c:3387)
[  720.020674][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  720.020678][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  720.020683][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  720.020688][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  720.020691][   T12]  kthread (kernel/kthread.c:436)
[  720.020694][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  720.020697][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  720.020700][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  720.020703][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  720.020707][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  720.020711][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  720.020714][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  721.020270][T13119] softirqs last disabled at (0): 0x0
| [  721.020272][T13119] Preemption disabled at:
| [  721.020273][T13119] vprintk_emit (kernel/printk/printk.c:2471)
| [  721.020284][T13119] Tainted: [W]=WARN
[  721.020285][T13119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  721.020287][T13119] Call Trace:
[  721.020289][T13119]  <TASK>
[  721.020290][T13119]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  721.020296][T13119]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  721.020297][T13119]  __might_resched.cold (kernel/sched/core.c:9234)
[  721.020302][T13119]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  721.020305][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020308][T13119]  __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))
[  721.020311][T13119]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  721.020315][T13119]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.020320][T13119]  ? 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)
[  721.020323][T13119]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  721.020326][T13119]  put_chars (drivers/char/virtio_console.c:1176)
[  721.020327][T13119]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  721.020329][T13119]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  721.020332][T13119]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  721.020334][T13119]  ? pointer (lib/vsprintf.c:2577)
[  721.020338][T13119]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  721.020343][T13119]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  721.020345][T13119]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  721.020347][T13119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.020350][T13119]  console_emit_next_record (kernel/printk/printk.c:3183)
[  721.020353][T13119]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  721.020355][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020356][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020357][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020359][T13119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.020361][T13119]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  721.020363][T13119]  console_flush_one_record (kernel/printk/printk.c:3268)
[  721.020366][T13119]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  721.020369][T13119]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  721.020371][T13119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.020373][T13119]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  721.020375][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020376][T13119]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  721.020378][T13119]  ? 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)
[  721.020379][T13119]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  721.020381][T13119]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  721.020383][T13119]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  721.020385][T13119]  vprintk_emit (kernel/printk/printk.c:2479)
[  721.020387][T13119]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  721.020388][T13119]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  721.020391][T13119]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  721.020394][T13119]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  721.020397][T13119]  _printk (kernel/printk/printk.c:2504)
[  721.020403][T13119]  ? snapshot_read.cold (user.c:?)
[  721.020405][T13119]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  721.020408][T13119]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  721.020411][T13119]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  721.020413][T13119]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.020417][T13119]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  721.020419][T13119]  ? netdev_notice (net/core/dev.c:13194)
[  721.020422][T13119]  ? 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)
[  721.020424][T13119]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  721.020426][T13119]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  721.020428][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020429][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020430][T13119]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  721.020432][T13119]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  721.020434][T13119]  ? 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)
[  721.020435][T13119]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.020437][T13119]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  721.020439][T13119]  ? register_netdev (net/core/dev.c:11618)
[  721.020440][T13119]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  721.020442][T13119]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  721.020445][T13119]  ? __kernel_text_address (kernel/extable.c:79)
[  721.020448][T13119]  ? write_profile (profile.c:?)
[  721.020451][T13119]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  721.020455][T13119]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  721.020457][T13119]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  721.020459][T13119]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  721.020461][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020462][T13119]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  721.020466][T13119]  ? kasan_save_stack (mm/kasan/common.c:58)
[  721.020468][T13119]  ? kasan_save_stack (mm/kasan/common.c:57)
[  721.020469][T13119]  ? kasan_save_track (mm/kasan/common.c:78)
[  721.020471][T13119]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  721.020472][T13119]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  721.020474][T13119]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  721.020475][T13119]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  721.020477][T13119]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  721.020480][T13119]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  721.020481][T13119]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  721.020483][T13119]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  721.020486][T13119]  ? ____sys_sendmsg (net/socket.c:2713)
[  721.020488][T13119]  ? ___sys_sendmsg (net/socket.c:2767)
[  721.020489][T13119]  ? __sys_sendmsg (net/socket.c:2799)
[  721.020492][T13119]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  721.020494][T13119]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  721.020497][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020498][T13119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.020500][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020501][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020503][T13119]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  721.020505][T13119]  ? __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)
[  721.020506][T13119]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  721.020507][T13119]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  721.020509][T13119]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  721.020510][T13119]  ? nla_get_range_signed (lib/nlattr.c:270)
[  721.020514][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020516][T13119]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  721.020518][T13119]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  721.020520][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020521][T13119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.020523][T13119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.020525][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020526][T13119]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  721.020529][T13119]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  721.020530][T13119]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  721.020532][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020533][T13119]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  721.020537][T13119]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  721.020539][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020541][T13119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.020542][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020544][T13119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  721.020545][T13119]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  721.020547][T13119]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.020549][T13119]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  721.020550][T13119]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  721.020553][T13119]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  721.020555][T13119]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  721.020557][T13119]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  721.020559][T13119]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  721.020561][T13119]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  721.020564][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020565][T13119]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  721.020568][T13119]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  721.020571][T13119]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  721.020573][T13119]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  721.020575][T13119]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  721.020578][T13119]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  721.020580][T13119]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  721.020582][T13119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  721.020583][T13119]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  721.020587][T13119]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  721.020589][T13119]  ____sys_sendmsg (net/socket.c:2713)
[  721.020591][T13119]  ? copy_msghdr_from_user (net/socket.c:2650)
[  721.020593][T13119]  ? sock_write_iter (net/socket.c:1269)
[  721.020595][T13119]  ? move_addr_to_kernel (net/socket.c:258)
[  721.020597][T13119]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  721.020600][T13119]  ___sys_sendmsg (net/socket.c:2767)
[  721.020603][T13119]  ? copy_msghdr_from_user (net/socket.c:2619)
[  721.020608][T13119]  __sys_sendmsg (net/socket.c:2799)
[  721.020610][T13119]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  721.020614][T13119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  721.020616][T13119]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  721.020618][T13119]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  721.020620][T13119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  721.020622][T13119] RIP: 0033:0x7f582592d54e
[  721.020624][T13119] 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
[  721.020626][T13119] RSP: 002b:00007fffb9ac02a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  721.020630][T13119] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f582592d54e
[  721.020631][T13119] RDX: 0000000000000000 RSI: 00007fffb9ac0350 RDI: 0000000000000005
[  721.020632][T13119] RBP: 00007fffb9ac02b0 R08: 0000000000000000 R09: 0000000000000000
[  721.020633][T13119] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152ca
[  721.020634][T13119] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb9ac0a10
| [  722.628385][T13193] softirqs last disabled at (0): 0x0
| [  722.628388][T13193] Preemption disabled at:
| [  722.628389][T13193] vprintk_emit (kernel/printk/printk.c:2471)
| [  722.628405][T13193] Tainted: [W]=WARN
[  722.628407][T13193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  722.628409][T13193] Call Trace:
[  722.628412][T13193]  <TASK>
[  722.628414][T13193]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  722.628421][T13193]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  722.628423][T13193]  __might_resched.cold (kernel/sched/core.c:9234)
[  722.628428][T13193]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  722.628431][T13193]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  722.628435][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628439][T13193]  __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))
[  722.628442][T13193]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.628446][T13193]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.628452][T13193]  ? 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)
[  722.628455][T13193]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  722.628459][T13193]  put_chars (drivers/char/virtio_console.c:1176)
[  722.628462][T13193]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  722.628465][T13193]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  722.628469][T13193]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  722.628475][T13193]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  722.628478][T13193]  ? vsnprintf (lib/vsprintf.c:2900)
[  722.628482][T13193]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.628485][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628487][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628490][T13193]  console_emit_next_record (kernel/printk/printk.c:3183)
[  722.628494][T13193]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  722.628498][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628500][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628502][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628504][T13193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.628507][T13193]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  722.628510][T13193]  console_flush_one_record (kernel/printk/printk.c:3268)
[  722.628514][T13193]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  722.628519][T13193]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  722.628522][T13193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.628524][T13193]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  722.628527][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628529][T13193]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.628531][T13193]  ? 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)
[  722.628534][T13193]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  722.628536][T13193]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  722.628539][T13193]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  722.628542][T13193]  vprintk_emit (kernel/printk/printk.c:2479)
[  722.628545][T13193]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  722.628547][T13193]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  722.628549][T13193]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  722.628553][T13193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.628556][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628559][T13193]  _printk (kernel/printk/printk.c:2504)
[  722.628562][T13193]  ? snapshot_read.cold (user.c:?)
[  722.628566][T13193]  ? br_multicast_flood (??:?)
[  722.628570][T13193]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  722.628573][T13193]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  722.628575][T13193]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  722.628578][T13193]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  722.628583][T13193]  br_init_port (net/bridge/br_stp_if.c:39)
[  722.628585][T13193]  new_nbp (net/bridge/br_if.c:449)
[  722.628589][T13193]  br_add_if (net/bridge/br_if.c:592)
[  722.628592][T13193]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  722.628598][T13193]  do_set_master (net/core/rtnetlink.c:3071)
[  722.628601][T13193]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  722.628604][T13193]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  722.628606][T13193]  ? __dev_get_by_name (net/core/dev.c:905)
[  722.628609][T13193]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  722.628615][T13193]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  722.628620][T13193]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  722.628623][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628626][T13193]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.628628][T13193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.628630][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628633][T13193]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  722.628636][T13193]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  722.628639][T13193]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  722.628642][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628644][T13193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.628647][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628649][T13193]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  722.628651][T13193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  722.628655][T13193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  722.628657][T13193]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  722.628660][T13193]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  722.628666][T13193]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  722.628670][T13193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  722.628672][T13193]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.628675][T13193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  722.628677][T13193]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  722.628682][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628684][T13193]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  722.628687][T13193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  722.628691][T13193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  722.628694][T13193]  ? next_uptodate_folio (mm/filemap.c:3747)
[  722.628698][T13193]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  722.628702][T13193]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  722.628705][T13193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.628708][T13193]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  722.628712][T13193]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  722.628716][T13193]  ____sys_sendmsg (net/socket.c:2713)
[  722.628719][T13193]  ? copy_msghdr_from_user (net/socket.c:2650)
[  722.628722][T13193]  ? sock_write_iter (net/socket.c:1269)
[  722.628724][T13193]  ? move_addr_to_kernel (net/socket.c:258)
[  722.628728][T13193]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  722.628731][T13193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  722.628734][T13193]  ___sys_sendmsg (net/socket.c:2767)
[  722.628737][T13193]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  722.628740][T13193]  ? copy_msghdr_from_user (net/socket.c:2619)
[  722.628742][T13193]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  722.628750][T13193]  __sys_sendmsg (net/socket.c:2799)
[  722.628754][T13193]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  722.628758][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628761][T13193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  722.628764][T13193]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  722.628767][T13193]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  722.628770][T13193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  722.628774][T13193] RIP: 0033:0x7fb2717d254e
[  722.628777][T13193] 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
[  722.628780][T13193] RSP: 002b:00007ffea0239480 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  722.628784][T13193] RAX: ffffffffffffffda RBX: 00007ffea0239c48 RCX: 00007fb2717d254e
[  722.628786][T13193] RDX: 0000000000000000 RSI: 00007ffea0239530 RDI: 0000000000000005
[  722.628788][T13193] RBP: 00007ffea0239490 R08: 0000000000000000 R09: 0000000000000000
[  722.628789][T13193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152cb
[  722.628791][T13193] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea0239c00
| [  724.194294][T13252] softirqs last disabled at (0): 0x0
| [  724.194296][T13252] Preemption disabled at:
| [  724.194297][T13252] vprintk_emit (kernel/printk/printk.c:2471)
| [  724.194308][T13252] Tainted: [W]=WARN
[  724.194309][T13252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  724.194311][T13252] Call Trace:
[  724.194312][T13252]  <TASK>
[  724.194314][T13252]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  724.194320][T13252]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  724.194321][T13252]  __might_resched.cold (kernel/sched/core.c:9234)
[  724.194325][T13252]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  724.194328][T13252]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  724.194331][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194334][T13252]  __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))
[  724.194337][T13252]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  724.194340][T13252]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  724.194345][T13252]  ? 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)
[  724.194347][T13252]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  724.194350][T13252]  put_chars (drivers/char/virtio_console.c:1176)
[  724.194352][T13252]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  724.194354][T13252]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  724.194357][T13252]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  724.194362][T13252]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  724.194364][T13252]  ? vsnprintf (lib/vsprintf.c:2900)
[  724.194367][T13252]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  724.194369][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194370][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194372][T13252]  console_emit_next_record (kernel/printk/printk.c:3183)
[  724.194375][T13252]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  724.194377][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194378][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194379][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194380][T13252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.194383][T13252]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  724.194385][T13252]  console_flush_one_record (kernel/printk/printk.c:3268)
[  724.194388][T13252]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  724.194391][T13252]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  724.194393][T13252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.194395][T13252]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  724.194397][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194398][T13252]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  724.194399][T13252]  ? 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)
[  724.194404][T13252]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  724.194406][T13252]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  724.194408][T13252]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  724.194410][T13252]  vprintk_emit (kernel/printk/printk.c:2479)
[  724.194412][T13252]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  724.194413][T13252]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  724.194415][T13252]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  724.194418][T13252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.194420][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194422][T13252]  _printk (kernel/printk/printk.c:2504)
[  724.194425][T13252]  ? snapshot_read.cold (user.c:?)
[  724.194427][T13252]  ? br_multicast_flood (??:?)
[  724.194431][T13252]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  724.194434][T13252]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  724.194435][T13252]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  724.194437][T13252]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  724.194440][T13252]  br_init_port (net/bridge/br_stp_if.c:39)
[  724.194442][T13252]  new_nbp (net/bridge/br_if.c:449)
[  724.194445][T13252]  br_add_if (net/bridge/br_if.c:592)
[  724.194447][T13252]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  724.194451][T13252]  do_set_master (net/core/rtnetlink.c:3071)
[  724.194453][T13252]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  724.194455][T13252]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  724.194456][T13252]  ? __dev_get_by_name (net/core/dev.c:905)
[  724.194458][T13252]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  724.194462][T13252]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  724.194465][T13252]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  724.194467][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194468][T13252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  724.194470][T13252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.194471][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194473][T13252]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  724.194476][T13252]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  724.194478][T13252]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  724.194480][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194482][T13252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.194483][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194485][T13252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  724.194486][T13252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  724.194488][T13252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  724.194489][T13252]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  724.194491][T13252]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  724.194495][T13252]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  724.194498][T13252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  724.194499][T13252]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  724.194501][T13252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  724.194503][T13252]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  724.194506][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194508][T13252]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  724.194510][T13252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  724.194512][T13252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  724.194514][T13252]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  724.194517][T13252]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  724.194520][T13252]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  724.194522][T13252]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  724.194524][T13252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.194526][T13252]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  724.194529][T13252]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  724.194532][T13252]  ____sys_sendmsg (net/socket.c:2713)
[  724.194534][T13252]  ? copy_msghdr_from_user (net/socket.c:2650)
[  724.194536][T13252]  ? sock_write_iter (net/socket.c:1269)
[  724.194538][T13252]  ? move_addr_to_kernel (net/socket.c:258)
[  724.194540][T13252]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  724.194543][T13252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  724.194545][T13252]  ___sys_sendmsg (net/socket.c:2767)
[  724.194546][T13252]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  724.194548][T13252]  ? copy_msghdr_from_user (net/socket.c:2619)
[  724.194550][T13252]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  724.194555][T13252]  __sys_sendmsg (net/socket.c:2799)
[  724.194557][T13252]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  724.194560][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194561][T13252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  724.194563][T13252]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  724.194565][T13252]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  724.194568][T13252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  724.194570][T13252] RIP: 0033:0x7fc13401e54e
[  724.194572][T13252] 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
[  724.194574][T13252] RSP: 002b:00007ffc83eeeed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  724.194578][T13252] RAX: ffffffffffffffda RBX: 00007ffc83eef698 RCX: 00007fc13401e54e
[  724.194580][T13252] RDX: 0000000000000000 RSI: 00007ffc83eeef80 RDI: 0000000000000005
[  724.194581][T13252] RBP: 00007ffc83eeeee0 R08: 0000000000000000 R09: 0000000000000000
[  724.194581][T13252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152cd
[  724.194582][T13252] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc83eef650
| [  731.448297][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  731.448301][   T12] Preemption disabled at:
| [  731.448302][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  731.448316][   T12] Tainted: [W]=WARN
[  731.448317][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  731.448320][   T12] Workqueue: netns cleanup_net
[  731.448327][   T12] Call Trace:
[  731.448329][   T12]  <TASK>
[  731.448332][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  731.448339][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  731.448341][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  731.448346][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  731.448350][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  731.448354][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.448358][   T12]  __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))
[  731.448362][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  731.448366][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  731.448372][   T12]  ? 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)
[  731.448375][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  731.448379][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  731.448382][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  731.448385][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  731.448390][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  731.448396][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  731.448404][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  731.448408][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  731.448410][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.448412][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.448416][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  731.448420][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  731.448424][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.448426][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.448428][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.448430][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.448434][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  731.448437][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  731.448441][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  731.448446][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  731.448449][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.448452][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  731.448454][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.448457][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  731.448459][   T12]  ? 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)
[  731.448462][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  731.448465][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  731.448468][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  731.448471][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  731.448474][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  731.448476][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  731.448479][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  731.448483][   T12]  ? kthread (kernel/kthread.c:436)
[  731.448486][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  731.448490][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  731.448494][   T12]  _printk (kernel/printk/printk.c:2504)
[  731.448499][   T12]  ? snapshot_read.cold (user.c:?)
[  731.448502][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  731.448507][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  731.448511][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  731.448514][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  731.448518][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.448521][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  731.448523][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  731.448527][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  731.448530][   T12]  ? 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)
[  731.448532][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  731.448536][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  731.448540][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  731.448546][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  731.448549][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  731.448553][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  731.448557][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  731.448560][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  731.448565][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  731.448568][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  731.448572][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  731.448575][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  731.448578][   T12]  process_one_work (kernel/workqueue.c:3387)
[  731.448583][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  731.448587][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  731.448591][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  731.448597][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  731.448600][   T12]  kthread (kernel/kthread.c:436)
[  731.448602][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  731.448605][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  731.448609][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  731.448612][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  731.448615][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  731.448619][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  731.448623][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  732.961065][T13416] softirqs last disabled at (0): 0x0
| [  732.961067][T13416] Preemption disabled at:
| [  732.961067][T13416] vprintk_emit (kernel/printk/printk.c:2471)
| [  732.961079][T13416] Tainted: [W]=WARN
[  732.961080][T13416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  732.961082][T13416] Call Trace:
[  732.961084][T13416]  <TASK>
[  732.961085][T13416]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  732.961091][T13416]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  732.961093][T13416]  __might_resched.cold (kernel/sched/core.c:9234)
[  732.961096][T13416]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  732.961099][T13416]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  732.961102][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961105][T13416]  __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))
[  732.961108][T13416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  732.961111][T13416]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  732.961117][T13416]  ? 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)
[  732.961119][T13416]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  732.961122][T13416]  put_chars (drivers/char/virtio_console.c:1176)
[  732.961124][T13416]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  732.961126][T13416]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  732.961128][T13416]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  732.961133][T13416]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  732.961135][T13416]  ? vsnprintf (lib/vsprintf.c:2900)
[  732.961139][T13416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  732.961141][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961142][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961144][T13416]  console_emit_next_record (kernel/printk/printk.c:3183)
[  732.961147][T13416]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  732.961149][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961150][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961151][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961152][T13416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.961155][T13416]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  732.961157][T13416]  console_flush_one_record (kernel/printk/printk.c:3268)
[  732.961159][T13416]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  732.961162][T13416]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  732.961164][T13416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.961166][T13416]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  732.961167][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961169][T13416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  732.961170][T13416]  ? 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)
[  732.961172][T13416]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  732.961173][T13416]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  732.961176][T13416]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  732.961177][T13416]  vprintk_emit (kernel/printk/printk.c:2479)
[  732.961179][T13416]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  732.961180][T13416]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  732.961182][T13416]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  732.961186][T13416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.961187][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961189][T13416]  _printk (kernel/printk/printk.c:2504)
[  732.961192][T13416]  ? snapshot_read.cold (user.c:?)
[  732.961194][T13416]  ? br_multicast_flood (??:?)
[  732.961197][T13416]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  732.961201][T13416]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  732.961202][T13416]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  732.961204][T13416]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  732.961207][T13416]  br_init_port (net/bridge/br_stp_if.c:39)
[  732.961209][T13416]  new_nbp (net/bridge/br_if.c:449)
[  732.961211][T13416]  br_add_if (net/bridge/br_if.c:592)
[  732.961213][T13416]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  732.961218][T13416]  do_set_master (net/core/rtnetlink.c:3071)
[  732.961220][T13416]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  732.961222][T13416]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  732.961223][T13416]  ? __dev_get_by_name (net/core/dev.c:905)
[  732.961225][T13416]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  732.961229][T13416]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  732.961232][T13416]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  732.961234][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961235][T13416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  732.961237][T13416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.961240][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961243][T13416]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  732.961247][T13416]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  732.961250][T13416]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  732.961254][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961256][T13416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.961258][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961260][T13416]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  732.961261][T13416]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  732.961263][T13416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  732.961265][T13416]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  732.961266][T13416]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  732.961270][T13416]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  732.961273][T13416]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  732.961275][T13416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  732.961277][T13416]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  732.961278][T13416]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  732.961282][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961283][T13416]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  732.961285][T13416]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  732.961287][T13416]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  732.961289][T13416]  ? next_uptodate_folio (mm/filemap.c:3747)
[  732.961292][T13416]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  732.961295][T13416]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  732.961297][T13416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.961299][T13416]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  732.961302][T13416]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  732.961306][T13416]  ____sys_sendmsg (net/socket.c:2713)
[  732.961308][T13416]  ? copy_msghdr_from_user (net/socket.c:2650)
[  732.961309][T13416]  ? sock_write_iter (net/socket.c:1269)
[  732.961311][T13416]  ? move_addr_to_kernel (net/socket.c:258)
[  732.961313][T13416]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  732.961316][T13416]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  732.961318][T13416]  ___sys_sendmsg (net/socket.c:2767)
[  732.961320][T13416]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  732.961322][T13416]  ? copy_msghdr_from_user (net/socket.c:2619)
[  732.961324][T13416]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  732.961328][T13416]  __sys_sendmsg (net/socket.c:2799)
[  732.961331][T13416]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  732.961334][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961335][T13416]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  732.961336][T13416]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  732.961339][T13416]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  732.961341][T13416]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  732.961344][T13416] RIP: 0033:0x7f4c037c254e
[  732.961346][T13416] 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
[  732.961348][T13416] RSP: 002b:00007ffdb9b52590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  732.961352][T13416] RAX: ffffffffffffffda RBX: 00007ffdb9b52d58 RCX: 00007f4c037c254e
[  732.961353][T13416] RDX: 0000000000000000 RSI: 00007ffdb9b52640 RDI: 0000000000000005
[  732.961354][T13416] RBP: 00007ffdb9b525a0 R08: 0000000000000000 R09: 0000000000000000
[  732.961355][T13416] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152d6
[  732.961356][T13416] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb9b52d10
| [  734.756561][T13486] softirqs last disabled at (0): 0x0
| [  734.756563][T13486] Preemption disabled at:
| [  734.756564][T13486] vprintk_emit (kernel/printk/printk.c:2471)
| [  734.756574][T13486] Tainted: [W]=WARN
[  734.756575][T13486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  734.756577][T13486] Call Trace:
[  734.756578][T13486]  <TASK>
[  734.756580][T13486]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  734.756585][T13486]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  734.756587][T13486]  __might_resched.cold (kernel/sched/core.c:9234)
[  734.756591][T13486]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  734.756594][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756597][T13486]  __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))
[  734.756600][T13486]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.756604][T13486]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.756609][T13486]  ? 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)
[  734.756611][T13486]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  734.756613][T13486]  put_chars (drivers/char/virtio_console.c:1176)
[  734.756615][T13486]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  734.756617][T13486]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  734.756619][T13486]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  734.756621][T13486]  ? pointer (lib/vsprintf.c:2577)
[  734.756625][T13486]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  734.756630][T13486]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  734.756632][T13486]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.756634][T13486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.756636][T13486]  console_emit_next_record (kernel/printk/printk.c:3183)
[  734.756639][T13486]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  734.756642][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756643][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756644][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756645][T13486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.756647][T13486]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  734.756649][T13486]  console_flush_one_record (kernel/printk/printk.c:3268)
[  734.756651][T13486]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  734.756654][T13486]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  734.756656][T13486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.756658][T13486]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  734.756660][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756661][T13486]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.756663][T13486]  ? 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)
[  734.756664][T13486]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  734.756666][T13486]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  734.756668][T13486]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  734.756669][T13486]  vprintk_emit (kernel/printk/printk.c:2479)
[  734.756671][T13486]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  734.756673][T13486]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  734.756675][T13486]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  734.756678][T13486]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  734.756680][T13486]  _printk (kernel/printk/printk.c:2504)
[  734.756683][T13486]  ? snapshot_read.cold (user.c:?)
[  734.756686][T13486]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  734.756688][T13486]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  734.756691][T13486]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  734.756693][T13486]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  734.756697][T13486]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  734.756699][T13486]  ? netdev_notice (net/core/dev.c:13194)
[  734.756701][T13486]  ? 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)
[  734.756703][T13486]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  734.756706][T13486]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  734.756707][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756708][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756710][T13486]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  734.756711][T13486]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  734.756713][T13486]  ? 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)
[  734.756714][T13486]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  734.756716][T13486]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  734.756718][T13486]  ? register_netdev (net/core/dev.c:11618)
[  734.756719][T13486]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.756721][T13486]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  734.756724][T13486]  ? __kernel_text_address (kernel/extable.c:79)
[  734.756726][T13486]  ? write_profile (profile.c:?)
[  734.756729][T13486]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  734.756733][T13486]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  734.756735][T13486]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  734.756737][T13486]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  734.756738][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756739][T13486]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  734.756742][T13486]  ? kasan_save_stack (mm/kasan/common.c:58)
[  734.756744][T13486]  ? kasan_save_stack (mm/kasan/common.c:57)
[  734.756745][T13486]  ? kasan_save_track (mm/kasan/common.c:78)
[  734.756747][T13486]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  734.756748][T13486]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  734.756749][T13486]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  734.756750][T13486]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  734.756752][T13486]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  734.756754][T13486]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  734.756756][T13486]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  734.756758][T13486]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  734.756761][T13486]  ? ____sys_sendmsg (net/socket.c:2713)
[  734.756762][T13486]  ? ___sys_sendmsg (net/socket.c:2767)
[  734.756764][T13486]  ? __sys_sendmsg (net/socket.c:2799)
[  734.756765][T13486]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  734.756767][T13486]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  734.756770][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756771][T13486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.756773][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756774][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756775][T13486]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  734.756777][T13486]  ? __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)
[  734.756778][T13486]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  734.756779][T13486]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  734.756781][T13486]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  734.756782][T13486]  ? nla_get_range_signed (lib/nlattr.c:270)
[  734.756786][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756787][T13486]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  734.756790][T13486]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  734.756792][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756793][T13486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.756794][T13486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.756796][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756797][T13486]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  734.756800][T13486]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  734.756801][T13486]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  734.756803][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756804][T13486]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  734.756807][T13486]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  734.756810][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756811][T13486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.756813][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756814][T13486]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  734.756816][T13486]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  734.756817][T13486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.756819][T13486]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  734.756820][T13486]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  734.756823][T13486]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  734.756825][T13486]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  734.756826][T13486]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.756828][T13486]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  734.756830][T13486]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  734.756833][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756834][T13486]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  734.756836][T13486]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  734.756838][T13486]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  734.756840][T13486]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  734.756842][T13486]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  734.756845][T13486]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  734.756846][T13486]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  734.756848][T13486]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  734.756850][T13486]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  734.756853][T13486]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  734.756855][T13486]  ____sys_sendmsg (net/socket.c:2713)
[  734.756857][T13486]  ? copy_msghdr_from_user (net/socket.c:2650)
[  734.756859][T13486]  ? sock_write_iter (net/socket.c:1269)
[  734.756860][T13486]  ? move_addr_to_kernel (net/socket.c:258)
[  734.756862][T13486]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  734.756865][T13486]  ___sys_sendmsg (net/socket.c:2767)
[  734.756867][T13486]  ? copy_msghdr_from_user (net/socket.c:2619)
[  734.756872][T13486]  __sys_sendmsg (net/socket.c:2799)
[  734.756874][T13486]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  734.756877][T13486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  734.756878][T13486]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  734.756880][T13486]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  734.756882][T13486]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  734.756884][T13486] RIP: 0033:0x7f061360954e
[  734.756886][T13486] 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
[  734.756888][T13486] RSP: 002b:00007ffc566f4990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  734.756892][T13486] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f061360954e
[  734.756894][T13486] RDX: 0000000000000000 RSI: 00007ffc566f4a40 RDI: 0000000000000005
[  734.756895][T13486] RBP: 00007ffc566f49a0 R08: 0000000000000000 R09: 0000000000000000
[  734.756895][T13486] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152d8
[  734.756896][T13486] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc566f5100
| [  736.090956][T13536] softirqs last disabled at (0): 0x0
| [  736.090958][T13536] Preemption disabled at:
| [  736.090959][T13536] vprintk_emit (kernel/printk/printk.c:2471)
| [  736.090970][T13536] Tainted: [W]=WARN
[  736.090971][T13536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  736.090972][T13536] Call Trace:
[  736.090974][T13536]  <TASK>
[  736.090975][T13536]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  736.090988][T13536]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  736.090989][T13536]  __might_resched.cold (kernel/sched/core.c:9234)
[  736.090993][T13536]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  736.090996][T13536]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  736.090999][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091002][T13536]  __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))
[  736.091005][T13536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  736.091008][T13536]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  736.091014][T13536]  ? 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)
[  736.091016][T13536]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  736.091018][T13536]  put_chars (drivers/char/virtio_console.c:1176)
[  736.091020][T13536]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  736.091022][T13536]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  736.091025][T13536]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  736.091030][T13536]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  736.091032][T13536]  ? vsnprintf (lib/vsprintf.c:2900)
[  736.091035][T13536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  736.091037][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091038][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091040][T13536]  console_emit_next_record (kernel/printk/printk.c:3183)
[  736.091043][T13536]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  736.091045][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091047][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091048][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091049][T13536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.091051][T13536]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  736.091053][T13536]  console_flush_one_record (kernel/printk/printk.c:3268)
[  736.091056][T13536]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  736.091059][T13536]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  736.091061][T13536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.091063][T13536]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  736.091065][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091066][T13536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  736.091067][T13536]  ? 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)
[  736.091069][T13536]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  736.091071][T13536]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  736.091073][T13536]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  736.091074][T13536]  vprintk_emit (kernel/printk/printk.c:2479)
[  736.091076][T13536]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  736.091077][T13536]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  736.091079][T13536]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  736.091082][T13536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.091084][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091086][T13536]  _printk (kernel/printk/printk.c:2504)
[  736.091089][T13536]  ? snapshot_read.cold (user.c:?)
[  736.091091][T13536]  ? br_multicast_flood (??:?)
[  736.091094][T13536]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  736.091097][T13536]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  736.091098][T13536]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  736.091100][T13536]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  736.091103][T13536]  br_init_port (net/bridge/br_stp_if.c:39)
[  736.091105][T13536]  new_nbp (net/bridge/br_if.c:449)
[  736.091107][T13536]  br_add_if (net/bridge/br_if.c:592)
[  736.091109][T13536]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  736.091116][T13536]  do_set_master (net/core/rtnetlink.c:3071)
[  736.091119][T13536]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  736.091121][T13536]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  736.091123][T13536]  ? __dev_get_by_name (net/core/dev.c:905)
[  736.091125][T13536]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  736.091129][T13536]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  736.091132][T13536]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  736.091134][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091135][T13536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  736.091137][T13536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.091138][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091140][T13536]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  736.091143][T13536]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  736.091144][T13536]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  736.091147][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091148][T13536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.091150][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091151][T13536]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  736.091153][T13536]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  736.091155][T13536]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  736.091156][T13536]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  736.091158][T13536]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  736.091162][T13536]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  736.091165][T13536]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  736.091166][T13536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  736.091168][T13536]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  736.091170][T13536]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  736.091173][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091175][T13536]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  736.091177][T13536]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  736.091180][T13536]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  736.091182][T13536]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  736.091184][T13536]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  736.091187][T13536]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  736.091190][T13536]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  736.091192][T13536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.091194][T13536]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  736.091197][T13536]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  736.091201][T13536]  ____sys_sendmsg (net/socket.c:2713)
[  736.091202][T13536]  ? copy_msghdr_from_user (net/socket.c:2650)
[  736.091204][T13536]  ? sock_write_iter (net/socket.c:1269)
[  736.091206][T13536]  ? move_addr_to_kernel (net/socket.c:258)
[  736.091208][T13536]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  736.091211][T13536]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  736.091213][T13536]  ___sys_sendmsg (net/socket.c:2767)
[  736.091215][T13536]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  736.091217][T13536]  ? copy_msghdr_from_user (net/socket.c:2619)
[  736.091219][T13536]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  736.091224][T13536]  __sys_sendmsg (net/socket.c:2799)
[  736.091226][T13536]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  736.091229][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091230][T13536]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  736.091232][T13536]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  736.091235][T13536]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  736.091237][T13536]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  736.091240][T13536] RIP: 0033:0x7f940568154e
[  736.091242][T13536] 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
[  736.091244][T13536] RSP: 002b:00007ffc68b86eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  736.091248][T13536] RAX: ffffffffffffffda RBX: 00007ffc68b87678 RCX: 00007f940568154e
[  736.091250][T13536] RDX: 0000000000000000 RSI: 00007ffc68b86f60 RDI: 0000000000000005
[  736.091251][T13536] RBP: 00007ffc68b86ec0 R08: 0000000000000000 R09: 0000000000000000
[  736.091252][T13536] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152d9
[  736.091253][T13536] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc68b87630
| [  742.331463][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  742.331465][   T12] Preemption disabled at:
| [  742.331466][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  742.331477][   T12] Tainted: [W]=WARN
[  742.331478][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  742.331480][   T12] Workqueue: netns cleanup_net
[  742.331486][   T12] Call Trace:
[  742.331487][   T12]  <TASK>
[  742.331489][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  742.331495][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  742.331497][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  742.331500][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  742.331503][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  742.331506][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.331509][   T12]  __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))
[  742.331512][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  742.331515][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  742.331520][   T12]  ? 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)
[  742.331522][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  742.331525][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  742.331527][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  742.331529][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  742.331532][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  742.331537][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  742.331539][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  742.331541][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  742.331543][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.331544][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.331546][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  742.331549][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  742.331551][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.331553][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  742.331555][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  742.331557][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  742.331560][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  742.331563][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  742.331565][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  742.331566][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  742.331568][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.331569][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  742.331571][   T12]  ? 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)
[  742.331573][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  742.331574][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  742.331576][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  742.331578][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  742.331580][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  742.331581][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  742.331582][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  742.331585][   T12]  ? kthread (kernel/kthread.c:436)
[  742.331587][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  742.331590][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  742.331593][   T12]  _printk (kernel/printk/printk.c:2504)
[  742.331596][   T12]  ? snapshot_read.cold (user.c:?)
[  742.331598][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  742.331601][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  742.331604][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  742.331606][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  742.331608][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.331610][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  742.331611][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  742.331615][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  742.331616][   T12]  ? 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)
[  742.331618][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  742.331620][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  742.331623][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  742.331627][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  742.331629][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  742.331632][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  742.331634][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  742.331636][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  742.331639][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  742.331641][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  742.331643][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  742.331645][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  742.331647][   T12]  process_one_work (kernel/workqueue.c:3387)
[  742.331650][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  742.331653][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  742.331655][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  742.331658][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  742.331660][   T12]  kthread (kernel/kthread.c:436)
[  742.331662][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  742.331664][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  742.331666][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  742.331668][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  742.331670][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  742.331673][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  742.331675][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  743.903425][T13672] softirqs last disabled at (0): 0x0
| [  743.903427][T13672] Preemption disabled at:
| [  743.903427][T13672] vprintk_emit (kernel/printk/printk.c:2471)
| [  743.903438][T13672] Tainted: [W]=WARN
[  743.903439][T13672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  743.903441][T13672] Call Trace:
[  743.903443][T13672]  <TASK>
[  743.903444][T13672]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  743.903452][T13672]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  743.903454][T13672]  __might_resched.cold (kernel/sched/core.c:9234)
[  743.903459][T13672]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  743.903462][T13672]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  743.903467][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903471][T13672]  __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))
[  743.903475][T13672]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  743.903479][T13672]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  743.903485][T13672]  ? 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)
[  743.903487][T13672]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  743.903490][T13672]  put_chars (drivers/char/virtio_console.c:1176)
[  743.903492][T13672]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  743.903494][T13672]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  743.903497][T13672]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  743.903501][T13672]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  743.903503][T13672]  ? vsnprintf (lib/vsprintf.c:2900)
[  743.903507][T13672]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  743.903509][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903510][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903512][T13672]  console_emit_next_record (kernel/printk/printk.c:3183)
[  743.903515][T13672]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  743.903517][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903518][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903519][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903521][T13672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.903523][T13672]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  743.903526][T13672]  console_flush_one_record (kernel/printk/printk.c:3268)
[  743.903530][T13672]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  743.903534][T13672]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  743.903536][T13672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.903538][T13672]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  743.903540][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903541][T13672]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  743.903543][T13672]  ? 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)
[  743.903545][T13672]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  743.903546][T13672]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  743.903549][T13672]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  743.903550][T13672]  vprintk_emit (kernel/printk/printk.c:2479)
[  743.903552][T13672]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  743.903553][T13672]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  743.903555][T13672]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  743.903558][T13672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.903560][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903562][T13672]  _printk (kernel/printk/printk.c:2504)
[  743.903565][T13672]  ? snapshot_read.cold (user.c:?)
[  743.903568][T13672]  ? br_multicast_flood (??:?)
[  743.903571][T13672]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  743.903575][T13672]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  743.903577][T13672]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  743.903581][T13672]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  743.903584][T13672]  br_init_port (net/bridge/br_stp_if.c:39)
[  743.903586][T13672]  new_nbp (net/bridge/br_if.c:449)
[  743.903589][T13672]  br_add_if (net/bridge/br_if.c:592)
[  743.903591][T13672]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  743.903595][T13672]  do_set_master (net/core/rtnetlink.c:3071)
[  743.903597][T13672]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  743.903599][T13672]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  743.903601][T13672]  ? __dev_get_by_name (net/core/dev.c:905)
[  743.903603][T13672]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  743.903607][T13672]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  743.903610][T13672]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  743.903612][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903613][T13672]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  743.903615][T13672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.903616][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903618][T13672]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  743.903621][T13672]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  743.903625][T13672]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  743.903628][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903630][T13672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.903632][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903633][T13672]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  743.903635][T13672]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  743.903636][T13672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  743.903638][T13672]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  743.903640][T13672]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  743.903644][T13672]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  743.903647][T13672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  743.903649][T13672]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  743.903650][T13672]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  743.903652][T13672]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  743.903655][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903657][T13672]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  743.903659][T13672]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  743.903661][T13672]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  743.903663][T13672]  ? next_uptodate_folio (mm/filemap.c:3747)
[  743.903668][T13672]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  743.903672][T13672]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  743.903675][T13672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.903678][T13672]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  743.903682][T13672]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  743.903687][T13672]  ____sys_sendmsg (net/socket.c:2713)
[  743.903689][T13672]  ? copy_msghdr_from_user (net/socket.c:2650)
[  743.903691][T13672]  ? sock_write_iter (net/socket.c:1269)
[  743.903693][T13672]  ? move_addr_to_kernel (net/socket.c:258)
[  743.903695][T13672]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  743.903698][T13672]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  743.903700][T13672]  ___sys_sendmsg (net/socket.c:2767)
[  743.903702][T13672]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  743.903704][T13672]  ? copy_msghdr_from_user (net/socket.c:2619)
[  743.903705][T13672]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  743.903710][T13672]  __sys_sendmsg (net/socket.c:2799)
[  743.903712][T13672]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  743.903715][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903717][T13672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  743.903718][T13672]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  743.903721][T13672]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  743.903723][T13672]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  743.903725][T13672] RIP: 0033:0x7f7979e8454e
[  743.903728][T13672] 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
[  743.903731][T13672] RSP: 002b:00007ffe5aa48040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  743.903736][T13672] RAX: ffffffffffffffda RBX: 00007ffe5aa48808 RCX: 00007f7979e8454e
[  743.903738][T13672] RDX: 0000000000000000 RSI: 00007ffe5aa480f0 RDI: 0000000000000005
[  743.903739][T13672] RBP: 00007ffe5aa48050 R08: 0000000000000000 R09: 0000000000000000
[  743.903740][T13672] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152e1
[  743.903741][T13672] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5aa487c0
| [  745.588617][T13741] softirqs last disabled at (0): 0x0
| [  745.588619][T13741] Preemption disabled at:
| [  745.588620][T13741] vprintk_emit (kernel/printk/printk.c:2471)
| [  745.588631][T13741] Tainted: [W]=WARN
[  745.588632][T13741] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  745.588634][T13741] Call Trace:
[  745.588636][T13741]  <TASK>
[  745.588637][T13741]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  745.588643][T13741]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  745.588645][T13741]  __might_resched.cold (kernel/sched/core.c:9234)
[  745.588649][T13741]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  745.588653][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588656][T13741]  __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))
[  745.588659][T13741]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  745.588662][T13741]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  745.588668][T13741]  ? 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)
[  745.588670][T13741]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  745.588673][T13741]  put_chars (drivers/char/virtio_console.c:1176)
[  745.588675][T13741]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  745.588676][T13741]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  745.588679][T13741]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  745.588681][T13741]  ? pointer (lib/vsprintf.c:2577)
[  745.588685][T13741]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  745.588690][T13741]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  745.588692][T13741]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  745.588694][T13741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.588697][T13741]  console_emit_next_record (kernel/printk/printk.c:3183)
[  745.588700][T13741]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  745.588702][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588703][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588704][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588706][T13741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.588708][T13741]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  745.588710][T13741]  console_flush_one_record (kernel/printk/printk.c:3268)
[  745.588712][T13741]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  745.588715][T13741]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  745.588717][T13741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.588719][T13741]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  745.588721][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588722][T13741]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  745.588724][T13741]  ? 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)
[  745.588725][T13741]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  745.588727][T13741]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  745.588729][T13741]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  745.588731][T13741]  vprintk_emit (kernel/printk/printk.c:2479)
[  745.588733][T13741]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  745.588734][T13741]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  745.588737][T13741]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  745.588741][T13741]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  745.588744][T13741]  _printk (kernel/printk/printk.c:2504)
[  745.588747][T13741]  ? snapshot_read.cold (user.c:?)
[  745.588749][T13741]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  745.588752][T13741]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  745.588755][T13741]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  745.588757][T13741]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  745.588761][T13741]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  745.588763][T13741]  ? netdev_notice (net/core/dev.c:13194)
[  745.588766][T13741]  ? 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)
[  745.588768][T13741]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  745.588770][T13741]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  745.588772][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588773][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588774][T13741]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  745.588776][T13741]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  745.588778][T13741]  ? 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)
[  745.588779][T13741]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  745.588781][T13741]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  745.588782][T13741]  ? register_netdev (net/core/dev.c:11618)
[  745.588784][T13741]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  745.588786][T13741]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  745.588789][T13741]  ? __kernel_text_address (kernel/extable.c:79)
[  745.588792][T13741]  ? write_profile (profile.c:?)
[  745.588795][T13741]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  745.588799][T13741]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  745.588801][T13741]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  745.588803][T13741]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  745.588804][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588805][T13741]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  745.588809][T13741]  ? kasan_save_stack (mm/kasan/common.c:58)
[  745.588811][T13741]  ? kasan_save_stack (mm/kasan/common.c:57)
[  745.588812][T13741]  ? kasan_save_track (mm/kasan/common.c:78)
[  745.588814][T13741]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  745.588815][T13741]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  745.588816][T13741]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  745.588817][T13741]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  745.588819][T13741]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  745.588822][T13741]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  745.588824][T13741]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  745.588826][T13741]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  745.588828][T13741]  ? ____sys_sendmsg (net/socket.c:2713)
[  745.588830][T13741]  ? ___sys_sendmsg (net/socket.c:2767)
[  745.588832][T13741]  ? __sys_sendmsg (net/socket.c:2799)
[  745.588833][T13741]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  745.588836][T13741]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  745.588839][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588840][T13741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.588842][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588843][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588844][T13741]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  745.588846][T13741]  ? __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)
[  745.588847][T13741]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  745.588848][T13741]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  745.588850][T13741]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  745.588851][T13741]  ? nla_get_range_signed (lib/nlattr.c:270)
[  745.588855][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588857][T13741]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  745.588859][T13741]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  745.588861][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588862][T13741]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  745.588864][T13741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.588865][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588867][T13741]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  745.588870][T13741]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  745.588871][T13741]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  745.588873][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588874][T13741]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  745.588878][T13741]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  745.588880][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588882][T13741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.588883][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588885][T13741]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  745.588886][T13741]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  745.588888][T13741]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  745.588890][T13741]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  745.588891][T13741]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  745.588894][T13741]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  745.588896][T13741]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  745.588897][T13741]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  745.588899][T13741]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  745.588901][T13741]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  745.588904][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588905][T13741]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  745.588908][T13741]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  745.588910][T13741]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  745.588912][T13741]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  745.588914][T13741]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  745.588917][T13741]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  745.588918][T13741]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  745.588920][T13741]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  745.588922][T13741]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  745.588926][T13741]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  745.588928][T13741]  ____sys_sendmsg (net/socket.c:2713)
[  745.588930][T13741]  ? copy_msghdr_from_user (net/socket.c:2650)
[  745.588932][T13741]  ? sock_write_iter (net/socket.c:1269)
[  745.588933][T13741]  ? move_addr_to_kernel (net/socket.c:258)
[  745.588935][T13741]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  745.588938][T13741]  ___sys_sendmsg (net/socket.c:2767)
[  745.588940][T13741]  ? copy_msghdr_from_user (net/socket.c:2619)
[  745.588945][T13741]  __sys_sendmsg (net/socket.c:2799)
[  745.588947][T13741]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  745.588950][T13741]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  745.588952][T13741]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  745.588954][T13741]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  745.588956][T13741]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  745.588957][T13741] RIP: 0033:0x7fc16084f54e
[  745.588959][T13741] 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
[  745.588962][T13741] RSP: 002b:00007ffed65a93d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  745.588966][T13741] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc16084f54e
[  745.588967][T13741] RDX: 0000000000000000 RSI: 00007ffed65a9480 RDI: 0000000000000005
[  745.588969][T13741] RBP: 00007ffed65a93e0 R08: 0000000000000000 R09: 0000000000000000
[  745.588970][T13741] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152e2
[  745.588971][T13741] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed65a9b40
| [  747.126950][T13798] softirqs last disabled at (0): 0x0
| [  747.126952][T13798] Preemption disabled at:
| [  747.126953][T13798] vprintk_emit (kernel/printk/printk.c:2471)
| [  747.126964][T13798] Tainted: [W]=WARN
[  747.126965][T13798] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  747.126967][T13798] Call Trace:
[  747.126968][T13798]  <TASK>
[  747.126970][T13798]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  747.126976][T13798]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  747.126977][T13798]  __might_resched.cold (kernel/sched/core.c:9234)
[  747.126981][T13798]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  747.126984][T13798]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  747.126987][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.126990][T13798]  __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))
[  747.126993][T13798]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  747.126996][T13798]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  747.127001][T13798]  ? 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)
[  747.127003][T13798]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  747.127006][T13798]  put_chars (drivers/char/virtio_console.c:1176)
[  747.127008][T13798]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  747.127010][T13798]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  747.127013][T13798]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  747.127018][T13798]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  747.127019][T13798]  ? vsnprintf (lib/vsprintf.c:2900)
[  747.127023][T13798]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  747.127025][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127026][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127028][T13798]  console_emit_next_record (kernel/printk/printk.c:3183)
[  747.127031][T13798]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  747.127033][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127034][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127035][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127036][T13798]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.127039][T13798]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  747.127041][T13798]  console_flush_one_record (kernel/printk/printk.c:3268)
[  747.127043][T13798]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  747.127046][T13798]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  747.127048][T13798]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.127050][T13798]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  747.127052][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127053][T13798]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  747.127054][T13798]  ? 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)
[  747.127056][T13798]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  747.127058][T13798]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  747.127060][T13798]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  747.127061][T13798]  vprintk_emit (kernel/printk/printk.c:2479)
[  747.127063][T13798]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  747.127070][T13798]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  747.127072][T13798]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  747.127075][T13798]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.127077][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127078][T13798]  _printk (kernel/printk/printk.c:2504)
[  747.127082][T13798]  ? snapshot_read.cold (user.c:?)
[  747.127084][T13798]  ? br_multicast_flood (??:?)
[  747.127087][T13798]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  747.127090][T13798]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  747.127092][T13798]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  747.127094][T13798]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  747.127097][T13798]  br_init_port (net/bridge/br_stp_if.c:39)
[  747.127099][T13798]  new_nbp (net/bridge/br_if.c:449)
[  747.127101][T13798]  br_add_if (net/bridge/br_if.c:592)
[  747.127103][T13798]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  747.127108][T13798]  do_set_master (net/core/rtnetlink.c:3071)
[  747.127110][T13798]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  747.127112][T13798]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  747.127113][T13798]  ? __dev_get_by_name (net/core/dev.c:905)
[  747.127115][T13798]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  747.127119][T13798]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  747.127122][T13798]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  747.127124][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127125][T13798]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  747.127127][T13798]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.127128][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127130][T13798]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  747.127133][T13798]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  747.127135][T13798]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  747.127137][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127138][T13798]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.127140][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127141][T13798]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  747.127143][T13798]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  747.127144][T13798]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  747.127146][T13798]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  747.127148][T13798]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  747.127152][T13798]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  747.127155][T13798]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  747.127156][T13798]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  747.127158][T13798]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  747.127160][T13798]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  747.127163][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127164][T13798]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  747.127166][T13798]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  747.127169][T13798]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  747.127171][T13798]  ? next_uptodate_folio (mm/filemap.c:3747)
[  747.127174][T13798]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  747.127176][T13798]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  747.127178][T13798]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.127180][T13798]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  747.127184][T13798]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  747.127187][T13798]  ____sys_sendmsg (net/socket.c:2713)
[  747.127190][T13798]  ? copy_msghdr_from_user (net/socket.c:2650)
[  747.127194][T13798]  ? sock_write_iter (net/socket.c:1269)
[  747.127197][T13798]  ? move_addr_to_kernel (net/socket.c:258)
[  747.127201][T13798]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  747.127205][T13798]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  747.127207][T13798]  ___sys_sendmsg (net/socket.c:2767)
[  747.127209][T13798]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  747.127211][T13798]  ? copy_msghdr_from_user (net/socket.c:2619)
[  747.127213][T13798]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  747.127218][T13798]  __sys_sendmsg (net/socket.c:2799)
[  747.127221][T13798]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  747.127223][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127225][T13798]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  747.127226][T13798]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  747.127229][T13798]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  747.127231][T13798]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  747.127233][T13798] RIP: 0033:0x7f925cb3b54e
[  747.127235][T13798] 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
[  747.127238][T13798] RSP: 002b:00007fff05c844a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  747.127241][T13798] RAX: ffffffffffffffda RBX: 00007fff05c84c68 RCX: 00007f925cb3b54e
[  747.127243][T13798] RDX: 0000000000000000 RSI: 00007fff05c84550 RDI: 0000000000000005
[  747.127244][T13798] RBP: 00007fff05c844b0 R08: 0000000000000000 R09: 0000000000000000
[  747.127245][T13798] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152e4
[  747.127246][T13798] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff05c84c20
| [  753.398328][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  753.398332][   T12] Preemption disabled at:
| [  753.398333][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  753.398347][   T12] Tainted: [W]=WARN
[  753.398348][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  753.398351][   T12] Workqueue: netns cleanup_net
[  753.398358][   T12] Call Trace:
[  753.398360][   T12]  <TASK>
[  753.398362][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  753.398369][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  753.398372][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  753.398376][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  753.398380][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  753.398384][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.398388][   T12]  __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))
[  753.398392][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  753.398396][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  753.398404][   T12]  ? 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)
[  753.398407][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  753.398411][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  753.398413][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  753.398417][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  753.398421][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  753.398427][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  753.398430][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  753.398433][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  753.398436][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.398438][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.398441][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  753.398445][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  753.398449][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.398450][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.398453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.398455][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  753.398458][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  753.398461][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  753.398465][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  753.398469][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  753.398472][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  753.398475][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  753.398477][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.398479][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  753.398482][   T12]  ? 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)
[  753.398484][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  753.398487][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  753.398490][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  753.398492][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  753.398495][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  753.398497][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  753.398500][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  753.398504][   T12]  ? kthread (kernel/kthread.c:436)
[  753.398506][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  753.398510][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  753.398514][   T12]  _printk (kernel/printk/printk.c:2504)
[  753.398518][   T12]  ? snapshot_read.cold (user.c:?)
[  753.398522][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  753.398526][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  753.398530][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  753.398533][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  753.398536][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.398539][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  753.398541][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  753.398545][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  753.398548][   T12]  ? 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)
[  753.398550][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  753.398554][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  753.398558][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  753.398563][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  753.398566][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  753.398570][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  753.398573][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  753.398576][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  753.398580][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  753.398583][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  753.398587][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  753.398589][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  753.398592][   T12]  process_one_work (kernel/workqueue.c:3387)
[  753.398597][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  753.398601][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  753.398605][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  753.398609][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  753.398612][   T12]  kthread (kernel/kthread.c:436)
[  753.398615][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  753.398618][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  753.398621][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  753.398624][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  753.398627][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  753.398631][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  753.398634][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  754.476622][T13888] softirqs last disabled at (0): 0x0
| [  754.476624][T13888] Preemption disabled at:
| [  754.476626][T13888] vprintk_emit (kernel/printk/printk.c:2471)
| [  754.476640][T13888] Tainted: [W]=WARN
[  754.476642][T13888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  754.476645][T13888] Call Trace:
[  754.476647][T13888]  <TASK>
[  754.476649][T13888]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  754.476656][T13888]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  754.476658][T13888]  __might_resched.cold (kernel/sched/core.c:9234)
[  754.476664][T13888]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  754.476668][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476673][T13888]  __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))
[  754.476677][T13888]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.476681][T13888]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  754.476688][T13888]  ? 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)
[  754.476691][T13888]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  754.476695][T13888]  put_chars (drivers/char/virtio_console.c:1176)
[  754.476698][T13888]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  754.476700][T13888]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  754.476704][T13888]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  754.476708][T13888]  ? pointer (lib/vsprintf.c:2577)
[  754.476713][T13888]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  754.476720][T13888]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  754.476723][T13888]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.476726][T13888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.476730][T13888]  console_emit_next_record (kernel/printk/printk.c:3183)
[  754.476735][T13888]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  754.476738][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476740][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476743][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476745][T13888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.476749][T13888]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  754.476752][T13888]  console_flush_one_record (kernel/printk/printk.c:3268)
[  754.476756][T13888]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  754.476761][T13888]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  754.476764][T13888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.476767][T13888]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  754.476770][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476772][T13888]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  754.476775][T13888]  ? 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)
[  754.476777][T13888]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  754.476780][T13888]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  754.476784][T13888]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  754.476787][T13888]  vprintk_emit (kernel/printk/printk.c:2479)
[  754.476790][T13888]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  754.476792][T13888]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  754.476796][T13888]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  754.476800][T13888]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  754.476804][T13888]  _printk (kernel/printk/printk.c:2504)
[  754.476809][T13888]  ? snapshot_read.cold (user.c:?)
[  754.476812][T13888]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  754.476816][T13888]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  754.476820][T13888]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  754.476823][T13888]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  754.476828][T13888]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  754.476831][T13888]  ? netdev_notice (net/core/dev.c:13194)
[  754.476835][T13888]  ? 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)
[  754.476838][T13888]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  754.476842][T13888]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  754.476845][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476847][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476849][T13888]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  754.476852][T13888]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  754.476855][T13888]  ? 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)
[  754.476857][T13888]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  754.476860][T13888]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  754.476863][T13888]  ? register_netdev (net/core/dev.c:11618)
[  754.476866][T13888]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  754.476869][T13888]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  754.476874][T13888]  ? __kernel_text_address (kernel/extable.c:79)
[  754.476877][T13888]  ? write_profile (profile.c:?)
[  754.476882][T13888]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  754.476887][T13888]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  754.476890][T13888]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  754.476893][T13888]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  754.476895][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476897][T13888]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  754.476902][T13888]  ? kasan_save_stack (mm/kasan/common.c:58)
[  754.476905][T13888]  ? kasan_save_stack (mm/kasan/common.c:57)
[  754.476908][T13888]  ? kasan_save_track (mm/kasan/common.c:78)
[  754.476910][T13888]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  754.476912][T13888]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  754.476914][T13888]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  754.476916][T13888]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  754.476918][T13888]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  754.476922][T13888]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  754.476925][T13888]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  754.476927][T13888]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  754.476931][T13888]  ? ____sys_sendmsg (net/socket.c:2713)
[  754.476934][T13888]  ? ___sys_sendmsg (net/socket.c:2767)
[  754.476936][T13888]  ? __sys_sendmsg (net/socket.c:2799)
[  754.476939][T13888]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  754.476943][T13888]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  754.476947][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476950][T13888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.476952][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476955][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476957][T13888]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  754.476960][T13888]  ? __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)
[  754.476962][T13888]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  754.476965][T13888]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  754.476968][T13888]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  754.476970][T13888]  ? nla_get_range_signed (lib/nlattr.c:270)
[  754.476975][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476978][T13888]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  754.476981][T13888]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  754.476985][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476987][T13888]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  754.476990][T13888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.476992][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.476995][T13888]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  754.476999][T13888]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  754.477001][T13888]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  754.477004][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.477006][T13888]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  754.477011][T13888]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  754.477014][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.477017][T13888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.477019][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.477022][T13888]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  754.477024][T13888]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  754.477028][T13888]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  754.477030][T13888]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  754.477033][T13888]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  754.477038][T13888]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  754.477041][T13888]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  754.477043][T13888]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  754.477046][T13888]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  754.477049][T13888]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  754.477054][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.477057][T13888]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  754.477061][T13888]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  754.477064][T13888]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  754.477068][T13888]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  754.477071][T13888]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  754.477075][T13888]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  754.477078][T13888]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  754.477081][T13888]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  754.477084][T13888]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  754.477089][T13888]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  754.477092][T13888]  ____sys_sendmsg (net/socket.c:2713)
[  754.477095][T13888]  ? copy_msghdr_from_user (net/socket.c:2650)
[  754.477098][T13888]  ? sock_write_iter (net/socket.c:1269)
[  754.477101][T13888]  ? move_addr_to_kernel (net/socket.c:258)
[  754.477103][T13888]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  754.477108][T13888]  ___sys_sendmsg (net/socket.c:2767)
[  754.477112][T13888]  ? copy_msghdr_from_user (net/socket.c:2619)
[  754.477128][T13888]  __sys_sendmsg (net/socket.c:2799)
[  754.477131][T13888]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  754.477136][T13888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  754.477139][T13888]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  754.477141][T13888]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  754.477145][T13888]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  754.477148][T13888] RIP: 0033:0x7ff42907454e
[  754.477152][T13888] 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
[  754.477155][T13888] RSP: 002b:00007ffc875b3560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  754.477160][T13888] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff42907454e
[  754.477162][T13888] RDX: 0000000000000000 RSI: 00007ffc875b3610 RDI: 0000000000000005
[  754.477164][T13888] RBP: 00007ffc875b3570 R08: 0000000000000000 R09: 0000000000000000
[  754.477166][T13888] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152eb
[  754.477167][T13888] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc875b3cd0
| [  756.046925][T13963] softirqs last disabled at (0): 0x0
| [  756.046927][T13963] Preemption disabled at:
| [  756.046928][T13963] vprintk_emit (kernel/printk/printk.c:2471)
| [  756.046938][T13963] Tainted: [W]=WARN
[  756.046939][T13963] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  756.046941][T13963] Call Trace:
[  756.046942][T13963]  <TASK>
[  756.046944][T13963]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  756.046950][T13963]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  756.046951][T13963]  __might_resched.cold (kernel/sched/core.c:9234)
[  756.046955][T13963]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  756.046958][T13963]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  756.046961][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.046966][T13963]  __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))
[  756.046970][T13963]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.046974][T13963]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  756.046981][T13963]  ? 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)
[  756.046983][T13963]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  756.046986][T13963]  put_chars (drivers/char/virtio_console.c:1176)
[  756.046987][T13963]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  756.046989][T13963]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  756.046992][T13963]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  756.046997][T13963]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  756.046999][T13963]  ? vsnprintf (lib/vsprintf.c:2900)
[  756.047002][T13963]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.047005][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047006][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047008][T13963]  console_emit_next_record (kernel/printk/printk.c:3183)
[  756.047011][T13963]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  756.047013][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047014][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047016][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047018][T13963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.047022][T13963]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  756.047025][T13963]  console_flush_one_record (kernel/printk/printk.c:3268)
[  756.047028][T13963]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  756.047031][T13963]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  756.047033][T13963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.047035][T13963]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  756.047036][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047038][T13963]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.047039][T13963]  ? 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)
[  756.047041][T13963]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  756.047043][T13963]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  756.047045][T13963]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  756.047046][T13963]  vprintk_emit (kernel/printk/printk.c:2479)
[  756.047048][T13963]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  756.047049][T13963]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  756.047051][T13963]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  756.047054][T13963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.047056][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047057][T13963]  _printk (kernel/printk/printk.c:2504)
[  756.047061][T13963]  ? snapshot_read.cold (user.c:?)
[  756.047063][T13963]  ? br_multicast_flood (??:?)
[  756.047068][T13963]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  756.047072][T13963]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  756.047074][T13963]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  756.047077][T13963]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  756.047080][T13963]  br_init_port (net/bridge/br_stp_if.c:39)
[  756.047082][T13963]  new_nbp (net/bridge/br_if.c:449)
[  756.047085][T13963]  br_add_if (net/bridge/br_if.c:592)
[  756.047087][T13963]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  756.047091][T13963]  do_set_master (net/core/rtnetlink.c:3071)
[  756.047095][T13963]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  756.047098][T13963]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  756.047100][T13963]  ? __dev_get_by_name (net/core/dev.c:905)
[  756.047102][T13963]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  756.047107][T13963]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  756.047109][T13963]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  756.047112][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047113][T13963]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  756.047114][T13963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.047116][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047118][T13963]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  756.047120][T13963]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  756.047122][T13963]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  756.047126][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047128][T13963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.047131][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047138][T13963]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  756.047141][T13963]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  756.047144][T13963]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  756.047145][T13963]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  756.047147][T13963]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  756.047151][T13963]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  756.047154][T13963]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  756.047156][T13963]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.047157][T13963]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  756.047159][T13963]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  756.047162][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047164][T13963]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  756.047166][T13963]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  756.047168][T13963]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  756.047170][T13963]  ? next_uptodate_folio (mm/filemap.c:3747)
[  756.047173][T13963]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  756.047176][T13963]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  756.047178][T13963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.047180][T13963]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  756.047185][T13963]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  756.047189][T13963]  ____sys_sendmsg (net/socket.c:2713)
[  756.047191][T13963]  ? copy_msghdr_from_user (net/socket.c:2650)
[  756.047194][T13963]  ? sock_write_iter (net/socket.c:1269)
[  756.047196][T13963]  ? move_addr_to_kernel (net/socket.c:258)
[  756.047200][T13963]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  756.047203][T13963]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  756.047206][T13963]  ___sys_sendmsg (net/socket.c:2767)
[  756.047208][T13963]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  756.047210][T13963]  ? copy_msghdr_from_user (net/socket.c:2619)
[  756.047212][T13963]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  756.047217][T13963]  __sys_sendmsg (net/socket.c:2799)
[  756.047219][T13963]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  756.047222][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047223][T13963]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  756.047225][T13963]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  756.047228][T13963]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  756.047230][T13963]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  756.047233][T13963] RIP: 0033:0x7f3215a0254e
[  756.047236][T13963] 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
[  756.047239][T13963] RSP: 002b:00007ffcad5fa720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  756.047244][T13963] RAX: ffffffffffffffda RBX: 00007ffcad5faee8 RCX: 00007f3215a0254e
[  756.047245][T13963] RDX: 0000000000000000 RSI: 00007ffcad5fa7d0 RDI: 0000000000000005
[  756.047247][T13963] RBP: 00007ffcad5fa730 R08: 0000000000000000 R09: 0000000000000000
[  756.047248][T13963] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152ed
[  756.047249][T13963] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcad5faea0
| [  757.522534][T14029] softirqs last disabled at (0): 0x0
| [  757.522536][T14029] Preemption disabled at:
| [  757.522537][T14029] vprintk_emit (kernel/printk/printk.c:2471)
| [  757.522547][T14029] Tainted: [W]=WARN
[  757.522548][T14029] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  757.522550][T14029] Call Trace:
[  757.522552][T14029]  <TASK>
[  757.522554][T14029]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  757.522559][T14029]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  757.522561][T14029]  __might_resched.cold (kernel/sched/core.c:9234)
[  757.522565][T14029]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  757.522568][T14029]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  757.522571][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522574][T14029]  __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))
[  757.522577][T14029]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  757.522580][T14029]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  757.522585][T14029]  ? 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)
[  757.522587][T14029]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  757.522590][T14029]  put_chars (drivers/char/virtio_console.c:1176)
[  757.522592][T14029]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  757.522594][T14029]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  757.522596][T14029]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  757.522601][T14029]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  757.522603][T14029]  ? vsnprintf (lib/vsprintf.c:2900)
[  757.522607][T14029]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  757.522608][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522609][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522611][T14029]  console_emit_next_record (kernel/printk/printk.c:3183)
[  757.522614][T14029]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  757.522617][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522618][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522619][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522620][T14029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.522623][T14029]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  757.522624][T14029]  console_flush_one_record (kernel/printk/printk.c:3268)
[  757.522627][T14029]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  757.522630][T14029]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  757.522632][T14029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.522634][T14029]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  757.522636][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522637][T14029]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  757.522638][T14029]  ? 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)
[  757.522640][T14029]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  757.522642][T14029]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  757.522644][T14029]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  757.522645][T14029]  vprintk_emit (kernel/printk/printk.c:2479)
[  757.522647][T14029]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  757.522648][T14029]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  757.522650][T14029]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  757.522654][T14029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.522655][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522657][T14029]  _printk (kernel/printk/printk.c:2504)
[  757.522660][T14029]  ? snapshot_read.cold (user.c:?)
[  757.522662][T14029]  ? br_multicast_flood (??:?)
[  757.522665][T14029]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  757.522668][T14029]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  757.522669][T14029]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  757.522671][T14029]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  757.522674][T14029]  br_init_port (net/bridge/br_stp_if.c:39)
[  757.522676][T14029]  new_nbp (net/bridge/br_if.c:449)
[  757.522679][T14029]  br_add_if (net/bridge/br_if.c:592)
[  757.522681][T14029]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  757.522685][T14029]  do_set_master (net/core/rtnetlink.c:3071)
[  757.522687][T14029]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  757.522689][T14029]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  757.522691][T14029]  ? __dev_get_by_name (net/core/dev.c:905)
[  757.522692][T14029]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  757.522697][T14029]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  757.522699][T14029]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  757.522701][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522703][T14029]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.522704][T14029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.522706][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522707][T14029]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  757.522710][T14029]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  757.522712][T14029]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  757.522715][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522716][T14029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.522717][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522719][T14029]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  757.522720][T14029]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  757.522722][T14029]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  757.522723][T14029]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  757.522725][T14029]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  757.522729][T14029]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  757.522732][T14029]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  757.522734][T14029]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  757.522735][T14029]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  757.522737][T14029]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  757.522740][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522741][T14029]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  757.522744][T14029]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  757.522746][T14029]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  757.522748][T14029]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  757.522751][T14029]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  757.522754][T14029]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  757.522756][T14029]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  757.522758][T14029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.522760][T14029]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  757.522764][T14029]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  757.522767][T14029]  ____sys_sendmsg (net/socket.c:2713)
[  757.522769][T14029]  ? copy_msghdr_from_user (net/socket.c:2650)
[  757.522771][T14029]  ? sock_write_iter (net/socket.c:1269)
[  757.522772][T14029]  ? move_addr_to_kernel (net/socket.c:258)
[  757.522774][T14029]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  757.522777][T14029]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  757.522779][T14029]  ___sys_sendmsg (net/socket.c:2767)
[  757.522781][T14029]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  757.522783][T14029]  ? copy_msghdr_from_user (net/socket.c:2619)
[  757.522785][T14029]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  757.522789][T14029]  __sys_sendmsg (net/socket.c:2799)
[  757.522792][T14029]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  757.522794][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522796][T14029]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  757.522797][T14029]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  757.522800][T14029]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  757.522802][T14029]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  757.522804][T14029] RIP: 0033:0x7f93c4ca754e
[  757.522806][T14029] 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
[  757.522808][T14029] RSP: 002b:00007ffe25c95bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  757.522812][T14029] RAX: ffffffffffffffda RBX: 00007ffe25c96378 RCX: 00007f93c4ca754e
[  757.522814][T14029] RDX: 0000000000000000 RSI: 00007ffe25c95c60 RDI: 0000000000000005
[  757.522815][T14029] RBP: 00007ffe25c95bc0 R08: 0000000000000000 R09: 0000000000000000
[  757.522816][T14029] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152ee
[  757.522816][T14029] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe25c96330
| [  764.600815][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  764.600818][   T12] Preemption disabled at:
| [  764.600820][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  764.600833][   T12] Tainted: [W]=WARN
[  764.600834][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  764.600837][   T12] Workqueue: netns cleanup_net
[  764.600844][   T12] Call Trace:
[  764.600847][   T12]  <TASK>
[  764.600849][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  764.600856][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  764.600858][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  764.600862][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  764.600866][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  764.600870][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.600874][   T12]  __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))
[  764.600878][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  764.600882][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  764.600888][   T12]  ? 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)
[  764.600891][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  764.600895][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  764.600898][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  764.600901][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  764.600905][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  764.600911][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  764.600914][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  764.600917][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  764.600920][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.600922][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.600925][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  764.600929][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  764.600932][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.600934][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.600936][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.600938][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.600942][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  764.600945][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  764.600948][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  764.600953][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  764.600956][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.600958][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  764.600961][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.600963][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  764.600965][   T12]  ? 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)
[  764.600968][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  764.600970][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  764.600973][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  764.600976][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  764.600979][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  764.600981][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  764.600983][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  764.600987][   T12]  ? kthread (kernel/kthread.c:436)
[  764.600990][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  764.600994][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  764.600997][   T12]  _printk (kernel/printk/printk.c:2504)
[  764.601002][   T12]  ? snapshot_read.cold (user.c:?)
[  764.601005][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  764.601010][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  764.601013][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  764.601016][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  764.601020][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.601022][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  764.601024][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  764.601028][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  764.601030][   T12]  ? 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)
[  764.601033][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  764.601037][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  764.601041][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  764.601046][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  764.601049][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  764.601053][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  764.601056][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  764.601059][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  764.601064][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  764.601067][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  764.601070][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  764.601072][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  764.601075][   T12]  process_one_work (kernel/workqueue.c:3387)
[  764.601080][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  764.601085][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  764.601089][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  764.601094][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  764.601096][   T12]  kthread (kernel/kthread.c:436)
[  764.601099][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  764.601102][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  764.601105][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  764.601107][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  764.601111][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  764.601115][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  764.601118][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  765.636023][T14149] softirqs last disabled at (0): 0x0
| [  765.636025][T14149] Preemption disabled at:
| [  765.636026][T14149] vprintk_emit (kernel/printk/printk.c:2471)
| [  765.636039][T14149] Tainted: [W]=WARN
[  765.636040][T14149] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  765.636043][T14149] Call Trace:
[  765.636045][T14149]  <TASK>
[  765.636047][T14149]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  765.636053][T14149]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  765.636056][T14149]  __might_resched.cold (kernel/sched/core.c:9234)
[  765.636061][T14149]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  765.636064][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636067][T14149]  __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))
[  765.636070][T14149]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  765.636073][T14149]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  765.636078][T14149]  ? 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)
[  765.636080][T14149]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  765.636083][T14149]  put_chars (drivers/char/virtio_console.c:1176)
[  765.636085][T14149]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  765.636086][T14149]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  765.636088][T14149]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  765.636091][T14149]  ? pointer (lib/vsprintf.c:2577)
[  765.636095][T14149]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  765.636099][T14149]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  765.636101][T14149]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  765.636104][T14149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.636108][T14149]  console_emit_next_record (kernel/printk/printk.c:3183)
[  765.636112][T14149]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  765.636116][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636118][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636119][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636121][T14149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.636123][T14149]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  765.636125][T14149]  console_flush_one_record (kernel/printk/printk.c:3268)
[  765.636127][T14149]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  765.636130][T14149]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  765.636133][T14149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.636134][T14149]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  765.636137][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636139][T14149]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  765.636141][T14149]  ? 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)
[  765.636144][T14149]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  765.636147][T14149]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  765.636150][T14149]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  765.636153][T14149]  vprintk_emit (kernel/printk/printk.c:2479)
[  765.636156][T14149]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  765.636158][T14149]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  765.636162][T14149]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  765.636166][T14149]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  765.636170][T14149]  _printk (kernel/printk/printk.c:2504)
[  765.636174][T14149]  ? snapshot_read.cold (user.c:?)
[  765.636176][T14149]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  765.636179][T14149]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  765.636182][T14149]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  765.636184][T14149]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  765.636188][T14149]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  765.636190][T14149]  ? netdev_notice (net/core/dev.c:13194)
[  765.636193][T14149]  ? 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)
[  765.636195][T14149]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  765.636197][T14149]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  765.636199][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636200][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636201][T14149]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  765.636203][T14149]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  765.636211][T14149]  ? 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)
[  765.636213][T14149]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  765.636216][T14149]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  765.636219][T14149]  ? register_netdev (net/core/dev.c:11618)
[  765.636221][T14149]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  765.636225][T14149]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  765.636229][T14149]  ? __kernel_text_address (kernel/extable.c:79)
[  765.636232][T14149]  ? write_profile (profile.c:?)
[  765.636237][T14149]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  765.636242][T14149]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  765.636245][T14149]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  765.636248][T14149]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  765.636250][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636251][T14149]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  765.636255][T14149]  ? kasan_save_stack (mm/kasan/common.c:58)
[  765.636258][T14149]  ? kasan_save_stack (mm/kasan/common.c:57)
[  765.636260][T14149]  ? kasan_save_track (mm/kasan/common.c:78)
[  765.636262][T14149]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  765.636264][T14149]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  765.636266][T14149]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  765.636269][T14149]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  765.636271][T14149]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  765.636275][T14149]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  765.636277][T14149]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  765.636279][T14149]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  765.636281][T14149]  ? ____sys_sendmsg (net/socket.c:2713)
[  765.636283][T14149]  ? ___sys_sendmsg (net/socket.c:2767)
[  765.636284][T14149]  ? __sys_sendmsg (net/socket.c:2799)
[  765.636286][T14149]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  765.636289][T14149]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  765.636291][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636293][T14149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.636294][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636296][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636297][T14149]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  765.636298][T14149]  ? __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)
[  765.636300][T14149]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  765.636301][T14149]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  765.636303][T14149]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  765.636304][T14149]  ? nla_get_range_signed (lib/nlattr.c:270)
[  765.636307][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636308][T14149]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  765.636311][T14149]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  765.636313][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636314][T14149]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  765.636315][T14149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.636317][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636319][T14149]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  765.636322][T14149]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  765.636324][T14149]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  765.636327][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636329][T14149]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  765.636333][T14149]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  765.636337][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636338][T14149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.636339][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636341][T14149]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  765.636343][T14149]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  765.636346][T14149]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  765.636349][T14149]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  765.636351][T14149]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  765.636356][T14149]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  765.636358][T14149]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  765.636361][T14149]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  765.636363][T14149]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  765.636364][T14149]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  765.636368][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636369][T14149]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  765.636372][T14149]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  765.636376][T14149]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  765.636379][T14149]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  765.636383][T14149]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  765.636386][T14149]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  765.636388][T14149]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  765.636390][T14149]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  765.636392][T14149]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  765.636395][T14149]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  765.636397][T14149]  ____sys_sendmsg (net/socket.c:2713)
[  765.636403][T14149]  ? copy_msghdr_from_user (net/socket.c:2650)
[  765.636405][T14149]  ? sock_write_iter (net/socket.c:1269)
[  765.636407][T14149]  ? move_addr_to_kernel (net/socket.c:258)
[  765.636409][T14149]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  765.636412][T14149]  ___sys_sendmsg (net/socket.c:2767)
[  765.636415][T14149]  ? copy_msghdr_from_user (net/socket.c:2619)
[  765.636423][T14149]  __sys_sendmsg (net/socket.c:2799)
[  765.636427][T14149]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  765.636432][T14149]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  765.636435][T14149]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  765.636438][T14149]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  765.636441][T14149]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  765.636443][T14149] RIP: 0033:0x7f2067eb354e
[  765.636445][T14149] 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
[  765.636448][T14149] RSP: 002b:00007ffdc64b4a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  765.636452][T14149] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f2067eb354e
[  765.636454][T14149] RDX: 0000000000000000 RSI: 00007ffdc64b4ab0 RDI: 0000000000000005
[  765.636455][T14149] RBP: 00007ffdc64b4a10 R08: 0000000000000000 R09: 0000000000000000
[  765.636456][T14149] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152f6
[  765.636457][T14149] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc64b5170
| [  767.098321][T14223] softirqs last disabled at (0): 0x0
| [  767.098323][T14223] Preemption disabled at:
| [  767.098324][T14223] vprintk_emit (kernel/printk/printk.c:2471)
| [  767.098335][T14223] Tainted: [W]=WARN
[  767.098336][T14223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  767.098338][T14223] Call Trace:
[  767.098340][T14223]  <TASK>
[  767.098341][T14223]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  767.098347][T14223]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  767.098348][T14223]  __might_resched.cold (kernel/sched/core.c:9234)
[  767.098352][T14223]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  767.098355][T14223]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  767.098358][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098361][T14223]  __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))
[  767.098364][T14223]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.098367][T14223]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  767.098372][T14223]  ? 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)
[  767.098374][T14223]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  767.098377][T14223]  put_chars (drivers/char/virtio_console.c:1176)
[  767.098379][T14223]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  767.098380][T14223]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  767.098383][T14223]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  767.098388][T14223]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  767.098390][T14223]  ? vsnprintf (lib/vsprintf.c:2900)
[  767.098393][T14223]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.098395][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098396][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098398][T14223]  console_emit_next_record (kernel/printk/printk.c:3183)
[  767.098403][T14223]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  767.098406][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098407][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098408][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098409][T14223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.098412][T14223]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  767.098414][T14223]  console_flush_one_record (kernel/printk/printk.c:3268)
[  767.098416][T14223]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  767.098419][T14223]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  767.098421][T14223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.098423][T14223]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  767.098424][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098426][T14223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.098427][T14223]  ? 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)
[  767.098429][T14223]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  767.098430][T14223]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  767.098433][T14223]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  767.098434][T14223]  vprintk_emit (kernel/printk/printk.c:2479)
[  767.098436][T14223]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  767.098437][T14223]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  767.098439][T14223]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  767.098442][T14223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.098444][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098445][T14223]  _printk (kernel/printk/printk.c:2504)
[  767.098449][T14223]  ? snapshot_read.cold (user.c:?)
[  767.098451][T14223]  ? br_multicast_flood (??:?)
[  767.098454][T14223]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  767.098457][T14223]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  767.098458][T14223]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  767.098460][T14223]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  767.098463][T14223]  br_init_port (net/bridge/br_stp_if.c:39)
[  767.098465][T14223]  new_nbp (net/bridge/br_if.c:449)
[  767.098468][T14223]  br_add_if (net/bridge/br_if.c:592)
[  767.098469][T14223]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  767.098474][T14223]  do_set_master (net/core/rtnetlink.c:3071)
[  767.098476][T14223]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  767.098478][T14223]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  767.098479][T14223]  ? __dev_get_by_name (net/core/dev.c:905)
[  767.098481][T14223]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  767.098485][T14223]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  767.098488][T14223]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  767.098490][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098492][T14223]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  767.098493][T14223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.098495][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098496][T14223]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  767.098499][T14223]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  767.098501][T14223]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  767.098503][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098505][T14223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.098506][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098508][T14223]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  767.098509][T14223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  767.098511][T14223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  767.098512][T14223]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  767.098514][T14223]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  767.098518][T14223]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  767.098521][T14223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  767.098522][T14223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.098524][T14223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  767.098526][T14223]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  767.098529][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098530][T14223]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  767.098533][T14223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  767.098535][T14223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  767.098537][T14223]  ? next_uptodate_folio (mm/filemap.c:3747)
[  767.098540][T14223]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  767.098542][T14223]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  767.098544][T14223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.098546][T14223]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  767.098550][T14223]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  767.098553][T14223]  ____sys_sendmsg (net/socket.c:2713)
[  767.098555][T14223]  ? copy_msghdr_from_user (net/socket.c:2650)
[  767.098557][T14223]  ? sock_write_iter (net/socket.c:1269)
[  767.098558][T14223]  ? move_addr_to_kernel (net/socket.c:258)
[  767.098560][T14223]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  767.098563][T14223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  767.098565][T14223]  ___sys_sendmsg (net/socket.c:2767)
[  767.098567][T14223]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  767.098569][T14223]  ? copy_msghdr_from_user (net/socket.c:2619)
[  767.098570][T14223]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  767.098575][T14223]  __sys_sendmsg (net/socket.c:2799)
[  767.098578][T14223]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  767.098580][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098581][T14223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  767.098583][T14223]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  767.098586][T14223]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  767.098588][T14223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  767.098590][T14223] RIP: 0033:0x7f806d5a554e
[  767.098592][T14223] 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
[  767.098594][T14223] RSP: 002b:00007ffc56852d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  767.098599][T14223] RAX: ffffffffffffffda RBX: 00007ffc56853518 RCX: 00007f806d5a554e
[  767.098600][T14223] RDX: 0000000000000000 RSI: 00007ffc56852e00 RDI: 0000000000000005
[  767.098601][T14223] RBP: 00007ffc56852d60 R08: 0000000000000000 R09: 0000000000000000
[  767.098602][T14223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152f8
[  767.098603][T14223] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc568534d0
| [  768.666348][T14282] softirqs last disabled at (0): 0x0
| [  768.666351][T14282] Preemption disabled at:
| [  768.666352][T14282] vprintk_emit (kernel/printk/printk.c:2471)
| [  768.666365][T14282] Tainted: [W]=WARN
[  768.666366][T14282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  768.666369][T14282] Call Trace:
[  768.666371][T14282]  <TASK>
[  768.666373][T14282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  768.666380][T14282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  768.666382][T14282]  __might_resched.cold (kernel/sched/core.c:9234)
[  768.666387][T14282]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  768.666391][T14282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  768.666395][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666403][T14282]  __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))
[  768.666407][T14282]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.666412][T14282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  768.666418][T14282]  ? 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)
[  768.666421][T14282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  768.666425][T14282]  put_chars (drivers/char/virtio_console.c:1176)
[  768.666427][T14282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  768.666430][T14282]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  768.666434][T14282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  768.666441][T14282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  768.666443][T14282]  ? vsnprintf (lib/vsprintf.c:2900)
[  768.666449][T14282]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.666452][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666454][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666458][T14282]  console_emit_next_record (kernel/printk/printk.c:3183)
[  768.666462][T14282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  768.666465][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666468][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666470][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666472][T14282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.666476][T14282]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  768.666479][T14282]  console_flush_one_record (kernel/printk/printk.c:3268)
[  768.666483][T14282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  768.666488][T14282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  768.666491][T14282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.666493][T14282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  768.666496][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666499][T14282]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.666501][T14282]  ? 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)
[  768.666504][T14282]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  768.666507][T14282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  768.666510][T14282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  768.666513][T14282]  vprintk_emit (kernel/printk/printk.c:2479)
[  768.666516][T14282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  768.666518][T14282]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  768.666521][T14282]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  768.666525][T14282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.666527][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666530][T14282]  _printk (kernel/printk/printk.c:2504)
[  768.666535][T14282]  ? snapshot_read.cold (user.c:?)
[  768.666538][T14282]  ? br_multicast_flood (??:?)
[  768.666543][T14282]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  768.666547][T14282]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  768.666549][T14282]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  768.666553][T14282]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  768.666557][T14282]  br_init_port (net/bridge/br_stp_if.c:39)
[  768.666560][T14282]  new_nbp (net/bridge/br_if.c:449)
[  768.666564][T14282]  br_add_if (net/bridge/br_if.c:592)
[  768.666567][T14282]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  768.666573][T14282]  do_set_master (net/core/rtnetlink.c:3071)
[  768.666577][T14282]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  768.666580][T14282]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  768.666583][T14282]  ? __dev_get_by_name (net/core/dev.c:905)
[  768.666586][T14282]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  768.666592][T14282]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  768.666597][T14282]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  768.666601][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666603][T14282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  768.666606][T14282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.666608][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666611][T14282]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  768.666615][T14282]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  768.666618][T14282]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  768.666622][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666624][T14282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.666627][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666629][T14282]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  768.666632][T14282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  768.666635][T14282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  768.666637][T14282]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  768.666640][T14282]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  768.666646][T14282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  768.666650][T14282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  768.666652][T14282]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.666655][T14282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  768.666657][T14282]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  768.666662][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666665][T14282]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  768.666668][T14282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  768.666672][T14282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  768.666675][T14282]  ? next_uptodate_folio (mm/filemap.c:3747)
[  768.666680][T14282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  768.666683][T14282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  768.666686][T14282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.666689][T14282]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  768.666694][T14282]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  768.666699][T14282]  ____sys_sendmsg (net/socket.c:2713)
[  768.666701][T14282]  ? copy_msghdr_from_user (net/socket.c:2650)
[  768.666704][T14282]  ? sock_write_iter (net/socket.c:1269)
[  768.666707][T14282]  ? move_addr_to_kernel (net/socket.c:258)
[  768.666711][T14282]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  768.666714][T14282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  768.666718][T14282]  ___sys_sendmsg (net/socket.c:2767)
[  768.666721][T14282]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  768.666723][T14282]  ? copy_msghdr_from_user (net/socket.c:2619)
[  768.666726][T14282]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  768.666734][T14282]  __sys_sendmsg (net/socket.c:2799)
[  768.666737][T14282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  768.666741][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666744][T14282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  768.666747][T14282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  768.666751][T14282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  768.666754][T14282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  768.666758][T14282] RIP: 0033:0x7fb9ea9e054e
[  768.666760][T14282] 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
[  768.666763][T14282] RSP: 002b:00007ffdbe3dc050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  768.666767][T14282] RAX: ffffffffffffffda RBX: 00007ffdbe3dc818 RCX: 00007fb9ea9e054e
[  768.666768][T14282] RDX: 0000000000000000 RSI: 00007ffdbe3dc100 RDI: 0000000000000005
[  768.666770][T14282] RBP: 00007ffdbe3dc060 R08: 0000000000000000 R09: 0000000000000000
[  768.666771][T14282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9152fa
[  768.666772][T14282] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdbe3dc7d0
| [  775.942319][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  775.942323][   T12] Preemption disabled at:
| [  775.942324][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  775.942338][   T12] Tainted: [W]=WARN
[  775.942340][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  775.942342][   T12] Workqueue: netns cleanup_net
[  775.942350][   T12] Call Trace:
[  775.942352][   T12]  <TASK>
[  775.942355][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  775.942361][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  775.942364][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  775.942368][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  775.942372][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  775.942377][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.942381][   T12]  __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))
[  775.942385][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  775.942389][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  775.942395][   T12]  ? 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)
[  775.942403][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  775.942407][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  775.942410][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  775.942414][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  775.942419][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  775.942426][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  775.942429][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  775.942434][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  775.942437][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.942439][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.942443][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  775.942447][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  775.942451][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.942453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.942455][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.942458][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  775.942462][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  775.942465][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  775.942469][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  775.942474][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  775.942477][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  775.942480][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  775.942483][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.942485][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  775.942488][   T12]  ? 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)
[  775.942491][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  775.942494][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  775.942498][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  775.942501][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  775.942504][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  775.942506][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  775.942509][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  775.942513][   T12]  ? kthread (kernel/kthread.c:436)
[  775.942516][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  775.942520][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  775.942524][   T12]  _printk (kernel/printk/printk.c:2504)
[  775.942529][   T12]  ? snapshot_read.cold (user.c:?)
[  775.942532][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  775.942537][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  775.942541][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  775.942544][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  775.942548][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.942551][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  775.942553][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  775.942557][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  775.942560][   T12]  ? 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)
[  775.942563][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  775.942567][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  775.942571][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  775.942576][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  775.942580][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  775.942584][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  775.942588][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  775.942592][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  775.942596][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  775.942599][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  775.942602][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.942605][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  775.942607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  775.942611][   T12]  process_one_work (kernel/workqueue.c:3387)
[  775.942615][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  775.942620][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  775.942625][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  775.942630][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  775.942633][   T12]  kthread (kernel/kthread.c:436)
[  775.942636][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  775.942638][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  775.942642][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  775.942645][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  775.942649][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  775.942653][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  775.942657][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  777.700062][T14451] softirqs last disabled at (0): 0x0
| [  777.700066][T14451] Preemption disabled at:
| [  777.700067][T14451] vprintk_emit (kernel/printk/printk.c:2471)
| [  777.700082][T14451] Tainted: [W]=WARN
[  777.700083][T14451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  777.700086][T14451] Call Trace:
[  777.700088][T14451]  <TASK>
[  777.700090][T14451]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  777.700097][T14451]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  777.700100][T14451]  __might_resched.cold (kernel/sched/core.c:9234)
[  777.700105][T14451]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  777.700109][T14451]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  777.700114][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700118][T14451]  __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))
[  777.700122][T14451]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  777.700126][T14451]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  777.700133][T14451]  ? 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)
[  777.700136][T14451]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  777.700140][T14451]  put_chars (drivers/char/virtio_console.c:1176)
[  777.700143][T14451]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  777.700147][T14451]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  777.700151][T14451]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  777.700158][T14451]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  777.700161][T14451]  ? vsnprintf (lib/vsprintf.c:2900)
[  777.700166][T14451]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  777.700169][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700171][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700175][T14451]  console_emit_next_record (kernel/printk/printk.c:3183)
[  777.700179][T14451]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  777.700183][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700185][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700187][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700189][T14451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.700194][T14451]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  777.700197][T14451]  console_flush_one_record (kernel/printk/printk.c:3268)
[  777.700201][T14451]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  777.700206][T14451]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  777.700209][T14451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.700212][T14451]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  777.700215][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700218][T14451]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  777.700221][T14451]  ? 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)
[  777.700224][T14451]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  777.700226][T14451]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  777.700230][T14451]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  777.700233][T14451]  vprintk_emit (kernel/printk/printk.c:2479)
[  777.700236][T14451]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  777.700239][T14451]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  777.700242][T14451]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  777.700246][T14451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.700249][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700252][T14451]  _printk (kernel/printk/printk.c:2504)
[  777.700257][T14451]  ? snapshot_read.cold (user.c:?)
[  777.700260][T14451]  ? br_multicast_flood (??:?)
[  777.700265][T14451]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  777.700269][T14451]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  777.700272][T14451]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  777.700275][T14451]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  777.700280][T14451]  br_init_port (net/bridge/br_stp_if.c:39)
[  777.700283][T14451]  new_nbp (net/bridge/br_if.c:449)
[  777.700287][T14451]  br_add_if (net/bridge/br_if.c:592)
[  777.700290][T14451]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  777.700297][T14451]  do_set_master (net/core/rtnetlink.c:3071)
[  777.700306][T14451]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  777.700309][T14451]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  777.700312][T14451]  ? __dev_get_by_name (net/core/dev.c:905)
[  777.700315][T14451]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  777.700322][T14451]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  777.700326][T14451]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  777.700331][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700333][T14451]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  777.700336][T14451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.700339][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700342][T14451]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  777.700346][T14451]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  777.700349][T14451]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  777.700353][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700355][T14451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.700358][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700361][T14451]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  777.700364][T14451]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  777.700367][T14451]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  777.700370][T14451]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  777.700373][T14451]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  777.700379][T14451]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  777.700383][T14451]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  777.700386][T14451]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  777.700389][T14451]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  777.700392][T14451]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  777.700397][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700399][T14451]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  777.700405][T14451]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  777.700409][T14451]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  777.700413][T14451]  ? next_uptodate_folio (mm/filemap.c:3747)
[  777.700418][T14451]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  777.700422][T14451]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  777.700425][T14451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.700428][T14451]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  777.700434][T14451]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  777.700438][T14451]  ____sys_sendmsg (net/socket.c:2713)
[  777.700441][T14451]  ? copy_msghdr_from_user (net/socket.c:2650)
[  777.700444][T14451]  ? sock_write_iter (net/socket.c:1269)
[  777.700447][T14451]  ? move_addr_to_kernel (net/socket.c:258)
[  777.700451][T14451]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  777.700454][T14451]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  777.700458][T14451]  ___sys_sendmsg (net/socket.c:2767)
[  777.700461][T14451]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  777.700464][T14451]  ? copy_msghdr_from_user (net/socket.c:2619)
[  777.700468][T14451]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  777.700476][T14451]  __sys_sendmsg (net/socket.c:2799)
[  777.700480][T14451]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  777.700485][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700487][T14451]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  777.700491][T14451]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  777.700494][T14451]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  777.700498][T14451]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  777.700502][T14451] RIP: 0033:0x7fa7cc6c354e
[  777.700505][T14451] 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
[  777.700508][T14451] RSP: 002b:00007ffebc65faf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  777.700513][T14451] RAX: ffffffffffffffda RBX: 00007ffebc6602b8 RCX: 00007fa7cc6c354e
[  777.700515][T14451] RDX: 0000000000000000 RSI: 00007ffebc65fba0 RDI: 0000000000000005
[  777.700517][T14451] RBP: 00007ffebc65fb00 R08: 0000000000000000 R09: 0000000000000000
[  777.700519][T14451] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915303
[  777.700521][T14451] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebc660270
| [  779.551755][T14521] softirqs last disabled at (0): 0x0
| [  779.551757][T14521] Preemption disabled at:
| [  779.551758][T14521] vprintk_emit (kernel/printk/printk.c:2471)
| [  779.551769][T14521] Tainted: [W]=WARN
[  779.551770][T14521] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  779.551772][T14521] Call Trace:
[  779.551773][T14521]  <TASK>
[  779.551775][T14521]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  779.551780][T14521]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  779.551782][T14521]  __might_resched.cold (kernel/sched/core.c:9234)
[  779.551786][T14521]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  779.551789][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551792][T14521]  __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))
[  779.551795][T14521]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.551798][T14521]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.551803][T14521]  ? 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)
[  779.551805][T14521]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  779.551808][T14521]  put_chars (drivers/char/virtio_console.c:1176)
[  779.551810][T14521]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  779.551811][T14521]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  779.551813][T14521]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  779.551815][T14521]  ? pointer (lib/vsprintf.c:2577)
[  779.551819][T14521]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  779.551824][T14521]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  779.551826][T14521]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.551828][T14521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.551831][T14521]  console_emit_next_record (kernel/printk/printk.c:3183)
[  779.551834][T14521]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  779.551836][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551837][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551838][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551839][T14521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.551842][T14521]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  779.551844][T14521]  console_flush_one_record (kernel/printk/printk.c:3268)
[  779.551846][T14521]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  779.551849][T14521]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  779.551851][T14521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.551853][T14521]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  779.551855][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551856][T14521]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.551857][T14521]  ? 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)
[  779.551859][T14521]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  779.551860][T14521]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  779.551863][T14521]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  779.551865][T14521]  vprintk_emit (kernel/printk/printk.c:2479)
[  779.551868][T14521]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  779.551871][T14521]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  779.551874][T14521]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  779.551879][T14521]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  779.551882][T14521]  _printk (kernel/printk/printk.c:2504)
[  779.551886][T14521]  ? snapshot_read.cold (user.c:?)
[  779.551889][T14521]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  779.551891][T14521]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  779.551894][T14521]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  779.551896][T14521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.551899][T14521]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  779.551902][T14521]  ? netdev_notice (net/core/dev.c:13194)
[  779.551904][T14521]  ? 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)
[  779.551906][T14521]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  779.551908][T14521]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  779.551910][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551911][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551912][T14521]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  779.551914][T14521]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  779.551916][T14521]  ? 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)
[  779.551917][T14521]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.551919][T14521]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  779.551921][T14521]  ? register_netdev (net/core/dev.c:11618)
[  779.551922][T14521]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.551925][T14521]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  779.551928][T14521]  ? __kernel_text_address (kernel/extable.c:79)
[  779.551930][T14521]  ? write_profile (profile.c:?)
[  779.551933][T14521]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  779.551937][T14521]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  779.551939][T14521]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  779.551941][T14521]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  779.551942][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551943][T14521]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  779.551947][T14521]  ? kasan_save_stack (mm/kasan/common.c:58)
[  779.551949][T14521]  ? kasan_save_stack (mm/kasan/common.c:57)
[  779.551950][T14521]  ? kasan_save_track (mm/kasan/common.c:78)
[  779.551951][T14521]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  779.551953][T14521]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  779.551954][T14521]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  779.551955][T14521]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  779.551956][T14521]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  779.551960][T14521]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  779.551961][T14521]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  779.551963][T14521]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  779.551966][T14521]  ? ____sys_sendmsg (net/socket.c:2713)
[  779.551967][T14521]  ? ___sys_sendmsg (net/socket.c:2767)
[  779.551969][T14521]  ? __sys_sendmsg (net/socket.c:2799)
[  779.551971][T14521]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  779.551973][T14521]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  779.551976][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551977][T14521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.551979][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551980][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551981][T14521]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  779.551983][T14521]  ? __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)
[  779.551984][T14521]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  779.551985][T14521]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  779.551987][T14521]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  779.551988][T14521]  ? nla_get_range_signed (lib/nlattr.c:270)
[  779.551991][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551993][T14521]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  779.551995][T14521]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  779.551997][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.551998][T14521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.552000][T14521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.552001][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.552003][T14521]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  779.552005][T14521]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  779.552006][T14521]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  779.552008][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.552009][T14521]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  779.552012][T14521]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  779.552015][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.552016][T14521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.552018][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.552019][T14521]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  779.552021][T14521]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  779.552022][T14521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  779.552024][T14521]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  779.552026][T14521]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  779.552028][T14521]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  779.552030][T14521]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  779.552032][T14521]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.552033][T14521]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  779.552035][T14521]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  779.552038][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.552040][T14521]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  779.552042][T14521]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  779.552044][T14521]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  779.552046][T14521]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  779.552048][T14521]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  779.552051][T14521]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  779.552052][T14521]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  779.552054][T14521]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  779.552056][T14521]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  779.552059][T14521]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  779.552061][T14521]  ____sys_sendmsg (net/socket.c:2713)
[  779.552063][T14521]  ? copy_msghdr_from_user (net/socket.c:2650)
[  779.552065][T14521]  ? sock_write_iter (net/socket.c:1269)
[  779.552066][T14521]  ? move_addr_to_kernel (net/socket.c:258)
[  779.552068][T14521]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  779.552070][T14521]  ___sys_sendmsg (net/socket.c:2767)
[  779.552072][T14521]  ? copy_msghdr_from_user (net/socket.c:2619)
[  779.552078][T14521]  __sys_sendmsg (net/socket.c:2799)
[  779.552080][T14521]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  779.552083][T14521]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  779.552084][T14521]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  779.552086][T14521]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  779.552088][T14521]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  779.552090][T14521] RIP: 0033:0x7ffad0d0654e
[  779.552092][T14521] 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
[  779.552094][T14521] RSP: 002b:00007ffdb9701ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  779.552097][T14521] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ffad0d0654e
[  779.552099][T14521] RDX: 0000000000000000 RSI: 00007ffdb9701b80 RDI: 0000000000000005
[  779.552100][T14521] RBP: 00007ffdb9701ae0 R08: 0000000000000000 R09: 0000000000000000
[  779.552101][T14521] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915304
[  779.552102][T14521] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb9702240
| [  780.953053][T14577] softirqs last disabled at (0): 0x0
| [  780.953055][T14577] Preemption disabled at:
| [  780.953055][T14577] vprintk_emit (kernel/printk/printk.c:2471)
| [  780.953066][T14577] Tainted: [W]=WARN
[  780.953067][T14577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  780.953069][T14577] Call Trace:
[  780.953071][T14577]  <TASK>
[  780.953072][T14577]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  780.953078][T14577]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  780.953079][T14577]  __might_resched.cold (kernel/sched/core.c:9234)
[  780.953083][T14577]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  780.953086][T14577]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  780.953089][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953092][T14577]  __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))
[  780.953095][T14577]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.953098][T14577]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  780.953103][T14577]  ? 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)
[  780.953105][T14577]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  780.953108][T14577]  put_chars (drivers/char/virtio_console.c:1176)
[  780.953110][T14577]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  780.953112][T14577]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  780.953114][T14577]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  780.953119][T14577]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  780.953121][T14577]  ? vsnprintf (lib/vsprintf.c:2900)
[  780.953124][T14577]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.953126][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953128][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953130][T14577]  console_emit_next_record (kernel/printk/printk.c:3183)
[  780.953133][T14577]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  780.953135][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953136][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953137][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953138][T14577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.953141][T14577]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  780.953143][T14577]  console_flush_one_record (kernel/printk/printk.c:3268)
[  780.953145][T14577]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  780.953148][T14577]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  780.953150][T14577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.953152][T14577]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  780.953154][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953155][T14577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.953157][T14577]  ? 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)
[  780.953158][T14577]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  780.953160][T14577]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  780.953162][T14577]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  780.953164][T14577]  vprintk_emit (kernel/printk/printk.c:2479)
[  780.953166][T14577]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  780.953167][T14577]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  780.953169][T14577]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  780.953172][T14577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.953174][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953175][T14577]  _printk (kernel/printk/printk.c:2504)
[  780.953178][T14577]  ? snapshot_read.cold (user.c:?)
[  780.953181][T14577]  ? br_multicast_flood (??:?)
[  780.953184][T14577]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  780.953187][T14577]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  780.953188][T14577]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  780.953190][T14577]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  780.953193][T14577]  br_init_port (net/bridge/br_stp_if.c:39)
[  780.953195][T14577]  new_nbp (net/bridge/br_if.c:449)
[  780.953197][T14577]  br_add_if (net/bridge/br_if.c:592)
[  780.953199][T14577]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  780.953204][T14577]  do_set_master (net/core/rtnetlink.c:3071)
[  780.953206][T14577]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  780.953207][T14577]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  780.953209][T14577]  ? __dev_get_by_name (net/core/dev.c:905)
[  780.953211][T14577]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  780.953215][T14577]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  780.953218][T14577]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  780.953220][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953221][T14577]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  780.953223][T14577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.953224][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953226][T14577]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  780.953229][T14577]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  780.953231][T14577]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  780.953233][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953234][T14577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.953236][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953237][T14577]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  780.953239][T14577]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  780.953241][T14577]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  780.953242][T14577]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  780.953244][T14577]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  780.953248][T14577]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  780.953251][T14577]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  780.953252][T14577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.953254][T14577]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  780.953256][T14577]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  780.953259][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953260][T14577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  780.953262][T14577]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  780.953265][T14577]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  780.953267][T14577]  ? next_uptodate_folio (mm/filemap.c:3747)
[  780.953270][T14577]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  780.953272][T14577]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  780.953275][T14577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.953276][T14577]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  780.953280][T14577]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  780.953283][T14577]  ____sys_sendmsg (net/socket.c:2713)
[  780.953285][T14577]  ? copy_msghdr_from_user (net/socket.c:2650)
[  780.953287][T14577]  ? sock_write_iter (net/socket.c:1269)
[  780.953288][T14577]  ? move_addr_to_kernel (net/socket.c:258)
[  780.953291][T14577]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  780.953293][T14577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  780.953295][T14577]  ___sys_sendmsg (net/socket.c:2767)
[  780.953297][T14577]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  780.953299][T14577]  ? copy_msghdr_from_user (net/socket.c:2619)
[  780.953301][T14577]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  780.953305][T14577]  __sys_sendmsg (net/socket.c:2799)
[  780.953308][T14577]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  780.953310][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953312][T14577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  780.953313][T14577]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  780.953316][T14577]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  780.953318][T14577]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  780.953320][T14577] RIP: 0033:0x7f7fd349854e
[  780.953322][T14577] 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
[  780.953330][T14577] RSP: 002b:00007ffc07fe4840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  780.953334][T14577] RAX: ffffffffffffffda RBX: 00007ffc07fe5008 RCX: 00007f7fd349854e
[  780.953335][T14577] RDX: 0000000000000000 RSI: 00007ffc07fe48f0 RDI: 0000000000000005
[  780.953337][T14577] RBP: 00007ffc07fe4850 R08: 0000000000000000 R09: 0000000000000000
[  780.953338][T14577] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915306
[  780.953338][T14577] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc07fe4fc0
| [  787.349282][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  787.349286][   T12] Preemption disabled at:
| [  787.349287][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  787.349302][   T12] Tainted: [W]=WARN
[  787.349303][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  787.349306][   T12] Workqueue: netns cleanup_net
[  787.349313][   T12] Call Trace:
[  787.349316][   T12]  <TASK>
[  787.349319][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  787.349326][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  787.349329][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  787.349333][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  787.349337][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  787.349341][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  787.349345][   T12]  __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))
[  787.349349][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  787.349354][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  787.349360][   T12]  ? 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)
[  787.349363][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  787.349367][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  787.349370][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  787.349382][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  787.349387][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  787.349394][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  787.349396][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  787.349405][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  787.349408][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  787.349410][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  787.349414][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  787.349418][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  787.349422][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  787.349424][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  787.349426][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  787.349428][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  787.349432][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  787.349435][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  787.349440][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  787.349444][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  787.349448][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  787.349450][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  787.349453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  787.349455][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  787.349458][   T12]  ? 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)
[  787.349461][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  787.349464][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  787.349467][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  787.349470][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  787.349473][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  787.349475][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  787.349478][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  787.349482][   T12]  ? kthread (kernel/kthread.c:436)
[  787.349485][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  787.349489][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  787.349493][   T12]  _printk (kernel/printk/printk.c:2504)
[  787.349498][   T12]  ? snapshot_read.cold (user.c:?)
[  787.349502][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  787.349507][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  787.349510][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  787.349514][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  787.349518][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  787.349520][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  787.349523][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  787.349527][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  787.349530][   T12]  ? 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)
[  787.349532][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  787.349536][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  787.349540][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  787.349546][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  787.349550][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  787.349553][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  787.349557][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  787.349561][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  787.349565][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  787.349569][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  787.349571][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  787.349574][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  787.349577][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  787.349580][   T12]  process_one_work (kernel/workqueue.c:3387)
[  787.349586][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  787.349590][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  787.349594][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  787.349599][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  787.349603][   T12]  kthread (kernel/kthread.c:436)
[  787.349605][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  787.349608][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  787.349612][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  787.349615][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  787.349618][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  787.349623][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  787.349626][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  789.000974][T14716] softirqs last disabled at (0): 0x0
| [  789.000976][T14716] Preemption disabled at:
| [  789.000977][T14716] vprintk_emit (kernel/printk/printk.c:2471)
| [  789.000988][T14716] Tainted: [W]=WARN
[  789.000989][T14716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  789.000991][T14716] Call Trace:
[  789.000993][T14716]  <TASK>
[  789.000994][T14716]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  789.001000][T14716]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  789.001002][T14716]  __might_resched.cold (kernel/sched/core.c:9234)
[  789.001006][T14716]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  789.001008][T14716]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  789.001012][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001015][T14716]  __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))
[  789.001018][T14716]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  789.001021][T14716]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  789.001026][T14716]  ? 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)
[  789.001028][T14716]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  789.001031][T14716]  put_chars (drivers/char/virtio_console.c:1176)
[  789.001033][T14716]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  789.001034][T14716]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  789.001037][T14716]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  789.001042][T14716]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  789.001044][T14716]  ? vsnprintf (lib/vsprintf.c:2900)
[  789.001047][T14716]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  789.001049][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001050][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001052][T14716]  console_emit_next_record (kernel/printk/printk.c:3183)
[  789.001055][T14716]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  789.001058][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001059][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001060][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001061][T14716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  789.001064][T14716]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  789.001066][T14716]  console_flush_one_record (kernel/printk/printk.c:3268)
[  789.001068][T14716]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  789.001071][T14716]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  789.001073][T14716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  789.001075][T14716]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  789.001077][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001078][T14716]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  789.001080][T14716]  ? 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)
[  789.001082][T14716]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  789.001083][T14716]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  789.001086][T14716]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  789.001087][T14716]  vprintk_emit (kernel/printk/printk.c:2479)
[  789.001089][T14716]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  789.001090][T14716]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  789.001092][T14716]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  789.001095][T14716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  789.001097][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001099][T14716]  _printk (kernel/printk/printk.c:2504)
[  789.001102][T14716]  ? snapshot_read.cold (user.c:?)
[  789.001104][T14716]  ? br_multicast_flood (??:?)
[  789.001108][T14716]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  789.001111][T14716]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  789.001112][T14716]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  789.001114][T14716]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  789.001117][T14716]  br_init_port (net/bridge/br_stp_if.c:39)
[  789.001119][T14716]  new_nbp (net/bridge/br_if.c:449)
[  789.001121][T14716]  br_add_if (net/bridge/br_if.c:592)
[  789.001123][T14716]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  789.001127][T14716]  do_set_master (net/core/rtnetlink.c:3071)
[  789.001129][T14716]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  789.001131][T14716]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  789.001133][T14716]  ? __dev_get_by_name (net/core/dev.c:905)
[  789.001135][T14716]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  789.001139][T14716]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  789.001141][T14716]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  789.001144][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001145][T14716]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  789.001146][T14716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  789.001148][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001150][T14716]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  789.001152][T14716]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  789.001154][T14716]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  789.001157][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001158][T14716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  789.001160][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001161][T14716]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  789.001162][T14716]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  789.001164][T14716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  789.001166][T14716]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  789.001167][T14716]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  789.001171][T14716]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  789.001174][T14716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  789.001176][T14716]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  789.001178][T14716]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  789.001179][T14716]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  789.001183][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001184][T14716]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  789.001186][T14716]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  789.001188][T14716]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  789.001190][T14716]  ? next_uptodate_folio (mm/filemap.c:3747)
[  789.001194][T14716]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  789.001196][T14716]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  789.001198][T14716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  789.001200][T14716]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  789.001203][T14716]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  789.001207][T14716]  ____sys_sendmsg (net/socket.c:2713)
[  789.001208][T14716]  ? copy_msghdr_from_user (net/socket.c:2650)
[  789.001210][T14716]  ? sock_write_iter (net/socket.c:1269)
[  789.001212][T14716]  ? move_addr_to_kernel (net/socket.c:258)
[  789.001214][T14716]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  789.001217][T14716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  789.001219][T14716]  ___sys_sendmsg (net/socket.c:2767)
[  789.001221][T14716]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  789.001222][T14716]  ? copy_msghdr_from_user (net/socket.c:2619)
[  789.001224][T14716]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  789.001229][T14716]  __sys_sendmsg (net/socket.c:2799)
[  789.001231][T14716]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  789.001234][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001235][T14716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  789.001237][T14716]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  789.001240][T14716]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  789.001242][T14716]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  789.001244][T14716] RIP: 0033:0x7f1cbbdfd54e
[  789.001246][T14716] 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
[  789.001248][T14716] RSP: 002b:00007ffc0679e720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  789.001252][T14716] RAX: ffffffffffffffda RBX: 00007ffc0679eee8 RCX: 00007f1cbbdfd54e
[  789.001254][T14716] RDX: 0000000000000000 RSI: 00007ffc0679e7d0 RDI: 0000000000000005
[  789.001255][T14716] RBP: 00007ffc0679e730 R08: 0000000000000000 R09: 0000000000000000
[  789.001256][T14716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91530e
[  789.001257][T14716] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0679eea0
| [  790.980222][T14785] softirqs last disabled at (0): 0x0
| [  790.980225][T14785] Preemption disabled at:
| [  790.980226][T14785] vprintk_emit (kernel/printk/printk.c:2471)
| [  790.980240][T14785] Tainted: [W]=WARN
[  790.980242][T14785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  790.980245][T14785] Call Trace:
[  790.980247][T14785]  <TASK>
[  790.980249][T14785]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  790.980256][T14785]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  790.980258][T14785]  __might_resched.cold (kernel/sched/core.c:9234)
[  790.980264][T14785]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  790.980269][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980273][T14785]  __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))
[  790.980277][T14785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  790.980282][T14785]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  790.980289][T14785]  ? 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)
[  790.980292][T14785]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  790.980296][T14785]  put_chars (drivers/char/virtio_console.c:1176)
[  790.980299][T14785]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  790.980301][T14785]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  790.980305][T14785]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  790.980308][T14785]  ? pointer (lib/vsprintf.c:2577)
[  790.980313][T14785]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  790.980320][T14785]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  790.980323][T14785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  790.980326][T14785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  790.980330][T14785]  console_emit_next_record (kernel/printk/printk.c:3183)
[  790.980335][T14785]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  790.980339][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980341][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980343][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980345][T14785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  790.980349][T14785]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  790.980352][T14785]  console_flush_one_record (kernel/printk/printk.c:3268)
[  790.980356][T14785]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  790.980360][T14785]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  790.980363][T14785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  790.980366][T14785]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  790.980369][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980371][T14785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  790.980374][T14785]  ? 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)
[  790.980377][T14785]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  790.980380][T14785]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  790.980383][T14785]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  790.980386][T14785]  vprintk_emit (kernel/printk/printk.c:2479)
[  790.980389][T14785]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  790.980391][T14785]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  790.980395][T14785]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  790.980402][T14785]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  790.980411][T14785]  _printk (kernel/printk/printk.c:2504)
[  790.980416][T14785]  ? snapshot_read.cold (user.c:?)
[  790.980419][T14785]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  790.980423][T14785]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  790.980427][T14785]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  790.980431][T14785]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  790.980435][T14785]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  790.980438][T14785]  ? netdev_notice (net/core/dev.c:13194)
[  790.980442][T14785]  ? 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)
[  790.980445][T14785]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  790.980449][T14785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  790.980452][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980454][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980456][T14785]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  790.980459][T14785]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  790.980461][T14785]  ? 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)
[  790.980464][T14785]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  790.980467][T14785]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  790.980470][T14785]  ? register_netdev (net/core/dev.c:11618)
[  790.980472][T14785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  790.980476][T14785]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  790.980480][T14785]  ? __kernel_text_address (kernel/extable.c:79)
[  790.980484][T14785]  ? write_profile (profile.c:?)
[  790.980488][T14785]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  790.980494][T14785]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  790.980497][T14785]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  790.980500][T14785]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  790.980502][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980504][T14785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  790.980509][T14785]  ? kasan_save_stack (mm/kasan/common.c:58)
[  790.980512][T14785]  ? kasan_save_stack (mm/kasan/common.c:57)
[  790.980514][T14785]  ? kasan_save_track (mm/kasan/common.c:78)
[  790.980517][T14785]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  790.980519][T14785]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  790.980521][T14785]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  790.980523][T14785]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  790.980526][T14785]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  790.980530][T14785]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  790.980533][T14785]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  790.980535][T14785]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  790.980539][T14785]  ? ____sys_sendmsg (net/socket.c:2713)
[  790.980541][T14785]  ? ___sys_sendmsg (net/socket.c:2767)
[  790.980544][T14785]  ? __sys_sendmsg (net/socket.c:2799)
[  790.980547][T14785]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  790.980551][T14785]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  790.980555][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980557][T14785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  790.980560][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980562][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980564][T14785]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  790.980567][T14785]  ? __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)
[  790.980569][T14785]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  790.980572][T14785]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  790.980575][T14785]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  790.980577][T14785]  ? nla_get_range_signed (lib/nlattr.c:270)
[  790.980581][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980584][T14785]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  790.980588][T14785]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  790.980592][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980594][T14785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  790.980596][T14785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  790.980599][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980602][T14785]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  790.980605][T14785]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  790.980608][T14785]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  790.980610][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980613][T14785]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  790.980617][T14785]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  790.980620][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980623][T14785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  790.980626][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980628][T14785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  790.980631][T14785]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  790.980634][T14785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  790.980636][T14785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  790.980639][T14785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  790.980643][T14785]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  790.980646][T14785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  790.980649][T14785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  790.980652][T14785]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  790.980654][T14785]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  790.980660][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980662][T14785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  790.980665][T14785]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  790.980669][T14785]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  790.980672][T14785]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  790.980676][T14785]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  790.980680][T14785]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  790.980682][T14785]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  790.980686][T14785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  790.980689][T14785]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  790.980693][T14785]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  790.980696][T14785]  ____sys_sendmsg (net/socket.c:2713)
[  790.980699][T14785]  ? copy_msghdr_from_user (net/socket.c:2650)
[  790.980702][T14785]  ? sock_write_iter (net/socket.c:1269)
[  790.980705][T14785]  ? move_addr_to_kernel (net/socket.c:258)
[  790.980707][T14785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  790.980712][T14785]  ___sys_sendmsg (net/socket.c:2767)
[  790.980715][T14785]  ? copy_msghdr_from_user (net/socket.c:2619)
[  790.980724][T14785]  __sys_sendmsg (net/socket.c:2799)
[  790.980728][T14785]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  790.980732][T14785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  790.980735][T14785]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  790.980738][T14785]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  790.980742][T14785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  790.980744][T14785] RIP: 0033:0x7f429142354e
[  790.980748][T14785] 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
[  790.980751][T14785] RSP: 002b:00007ffdde1817d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  790.980755][T14785] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f429142354e
[  790.980758][T14785] RDX: 0000000000000000 RSI: 00007ffdde181880 RDI: 0000000000000005
[  790.980760][T14785] RBP: 00007ffdde1817e0 R08: 0000000000000000 R09: 0000000000000000
[  790.980761][T14785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915310
[  790.980763][T14785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdde181f40
| [  792.503220][T14835] softirqs last disabled at (0): 0x0
| [  792.503223][T14835] Preemption disabled at:
| [  792.503224][T14835] vprintk_emit (kernel/printk/printk.c:2471)
| [  792.503237][T14835] Tainted: [W]=WARN
[  792.503239][T14835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  792.503242][T14835] Call Trace:
[  792.503244][T14835]  <TASK>
[  792.503246][T14835]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  792.503253][T14835]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  792.503255][T14835]  __might_resched.cold (kernel/sched/core.c:9234)
[  792.503260][T14835]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  792.503263][T14835]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  792.503268][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503271][T14835]  __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))
[  792.503275][T14835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  792.503279][T14835]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  792.503286][T14835]  ? 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)
[  792.503288][T14835]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  792.503292][T14835]  put_chars (drivers/char/virtio_console.c:1176)
[  792.503295][T14835]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  792.503298][T14835]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  792.503302][T14835]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  792.503308][T14835]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  792.503311][T14835]  ? vsnprintf (lib/vsprintf.c:2900)
[  792.503315][T14835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  792.503318][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503320][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503323][T14835]  console_emit_next_record (kernel/printk/printk.c:3183)
[  792.503327][T14835]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  792.503330][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503332][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503334][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503336][T14835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  792.503339][T14835]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  792.503342][T14835]  console_flush_one_record (kernel/printk/printk.c:3268)
[  792.503346][T14835]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  792.503350][T14835]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  792.503353][T14835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  792.503355][T14835]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  792.503358][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503360][T14835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  792.503363][T14835]  ? 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)
[  792.503365][T14835]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  792.503368][T14835]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  792.503371][T14835]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  792.503373][T14835]  vprintk_emit (kernel/printk/printk.c:2479)
[  792.503376][T14835]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  792.503378][T14835]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  792.503380][T14835]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  792.503384][T14835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  792.503387][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503389][T14835]  _printk (kernel/printk/printk.c:2504)
[  792.503393][T14835]  ? snapshot_read.cold (user.c:?)
[  792.503396][T14835]  ? br_multicast_flood (??:?)
[  792.503403][T14835]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  792.503407][T14835]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  792.503409][T14835]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  792.503418][T14835]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  792.503423][T14835]  br_init_port (net/bridge/br_stp_if.c:39)
[  792.503426][T14835]  new_nbp (net/bridge/br_if.c:449)
[  792.503429][T14835]  br_add_if (net/bridge/br_if.c:592)
[  792.503432][T14835]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  792.503438][T14835]  do_set_master (net/core/rtnetlink.c:3071)
[  792.503441][T14835]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  792.503444][T14835]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  792.503446][T14835]  ? __dev_get_by_name (net/core/dev.c:905)
[  792.503449][T14835]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  792.503455][T14835]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  792.503459][T14835]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  792.503463][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503465][T14835]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  792.503467][T14835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  792.503470][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503472][T14835]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  792.503475][T14835]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  792.503479][T14835]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  792.503482][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503484][T14835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  792.503486][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503488][T14835]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  792.503491][T14835]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  792.503494][T14835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  792.503496][T14835]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  792.503498][T14835]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  792.503504][T14835]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  792.503508][T14835]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  792.503510][T14835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  792.503513][T14835]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  792.503515][T14835]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  792.503520][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503522][T14835]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  792.503525][T14835]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  792.503529][T14835]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  792.503532][T14835]  ? next_uptodate_folio (mm/filemap.c:3747)
[  792.503536][T14835]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  792.503540][T14835]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  792.503543][T14835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  792.503546][T14835]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  792.503550][T14835]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  792.503554][T14835]  ____sys_sendmsg (net/socket.c:2713)
[  792.503557][T14835]  ? copy_msghdr_from_user (net/socket.c:2650)
[  792.503560][T14835]  ? sock_write_iter (net/socket.c:1269)
[  792.503562][T14835]  ? move_addr_to_kernel (net/socket.c:258)
[  792.503566][T14835]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  792.503569][T14835]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  792.503572][T14835]  ___sys_sendmsg (net/socket.c:2767)
[  792.503575][T14835]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  792.503577][T14835]  ? copy_msghdr_from_user (net/socket.c:2619)
[  792.503580][T14835]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  792.503588][T14835]  __sys_sendmsg (net/socket.c:2799)
[  792.503591][T14835]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  792.503595][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503597][T14835]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  792.503600][T14835]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  792.503603][T14835]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  792.503606][T14835]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  792.503609][T14835] RIP: 0033:0x7fb12fc5254e
[  792.503612][T14835] 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
[  792.503615][T14835] RSP: 002b:00007ffeae866640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  792.503619][T14835] RAX: ffffffffffffffda RBX: 00007ffeae866e08 RCX: 00007fb12fc5254e
[  792.503621][T14835] RDX: 0000000000000000 RSI: 00007ffeae8666f0 RDI: 0000000000000005
[  792.503623][T14835] RBP: 00007ffeae866650 R08: 0000000000000000 R09: 0000000000000000
[  792.503625][T14835] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915311
[  792.503626][T14835] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeae866dc0
| [  798.908562][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  798.908566][   T12] Preemption disabled at:
| [  798.908567][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  798.908581][   T12] Tainted: [W]=WARN
[  798.908582][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  798.908585][   T12] Workqueue: netns cleanup_net
[  798.908592][   T12] Call Trace:
[  798.908594][   T12]  <TASK>
[  798.908597][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  798.908604][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  798.908606][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  798.908611][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  798.908615][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  798.908619][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.908623][   T12]  __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))
[  798.908627][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  798.908632][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  798.908638][   T12]  ? 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)
[  798.908641][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  798.908645][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  798.908648][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  798.908651][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  798.908656][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  798.908662][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  798.908665][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  798.908669][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  798.908672][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.908674][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.908677][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  798.908682][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  798.908685][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.908687][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.908689][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.908692][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  798.908696][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  798.908699][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  798.908703][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  798.908708][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  798.908711][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  798.908714][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  798.908717][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.908719][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  798.908722][   T12]  ? 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)
[  798.908724][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  798.908727][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  798.908730][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  798.908733][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  798.908736][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  798.908739][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  798.908742][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  798.908746][   T12]  ? kthread (kernel/kthread.c:436)
[  798.908749][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  798.908753][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  798.908757][   T12]  _printk (kernel/printk/printk.c:2504)
[  798.908761][   T12]  ? snapshot_read.cold (user.c:?)
[  798.908765][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  798.908770][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  798.908773][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  798.908777][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  798.908781][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.908783][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  798.908786][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  798.908790][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  798.908792][   T12]  ? 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)
[  798.908795][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  798.908799][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  798.908803][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  798.908809][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  798.908812][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  798.908816][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  798.908820][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  798.908823][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  798.908828][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  798.908831][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  798.908835][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  798.908837][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  798.908841][   T12]  process_one_work (kernel/workqueue.c:3387)
[  798.908846][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  798.908851][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  798.908855][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  798.908861][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  798.908864][   T12]  kthread (kernel/kthread.c:436)
[  798.908867][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  798.908870][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  798.908873][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  798.908876][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  798.908880][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  798.908884][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  798.908888][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  800.603358][T14974] softirqs last disabled at (0): 0x0
| [  800.603360][T14974] Preemption disabled at:
| [  800.603361][T14974] vprintk_emit (kernel/printk/printk.c:2471)
| [  800.603373][T14974] Tainted: [W]=WARN
[  800.603374][T14974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  800.603376][T14974] Call Trace:
[  800.603377][T14974]  <TASK>
[  800.603379][T14974]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  800.603385][T14974]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  800.603386][T14974]  __might_resched.cold (kernel/sched/core.c:9234)
[  800.603390][T14974]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  800.603393][T14974]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  800.603396][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603399][T14974]  __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))
[  800.603404][T14974]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  800.603408][T14974]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  800.603413][T14974]  ? 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)
[  800.603415][T14974]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  800.603418][T14974]  put_chars (drivers/char/virtio_console.c:1176)
[  800.603420][T14974]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  800.603422][T14974]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  800.603425][T14974]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  800.603430][T14974]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  800.603432][T14974]  ? vsnprintf (lib/vsprintf.c:2900)
[  800.603435][T14974]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  800.603437][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603438][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603440][T14974]  console_emit_next_record (kernel/printk/printk.c:3183)
[  800.603443][T14974]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  800.603445][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603447][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603448][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603449][T14974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  800.603451][T14974]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  800.603453][T14974]  console_flush_one_record (kernel/printk/printk.c:3268)
[  800.603456][T14974]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  800.603459][T14974]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  800.603461][T14974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  800.603463][T14974]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  800.603465][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603466][T14974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  800.603468][T14974]  ? 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)
[  800.603469][T14974]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  800.603471][T14974]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  800.603473][T14974]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  800.603481][T14974]  vprintk_emit (kernel/printk/printk.c:2479)
[  800.603483][T14974]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  800.603484][T14974]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  800.603486][T14974]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  800.603489][T14974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  800.603491][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603493][T14974]  _printk (kernel/printk/printk.c:2504)
[  800.603496][T14974]  ? snapshot_read.cold (user.c:?)
[  800.603498][T14974]  ? br_multicast_flood (??:?)
[  800.603502][T14974]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  800.603505][T14974]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  800.603506][T14974]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  800.603508][T14974]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  800.603511][T14974]  br_init_port (net/bridge/br_stp_if.c:39)
[  800.603513][T14974]  new_nbp (net/bridge/br_if.c:449)
[  800.603515][T14974]  br_add_if (net/bridge/br_if.c:592)
[  800.603517][T14974]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  800.603522][T14974]  do_set_master (net/core/rtnetlink.c:3071)
[  800.603524][T14974]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  800.603526][T14974]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  800.603527][T14974]  ? __dev_get_by_name (net/core/dev.c:905)
[  800.603529][T14974]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  800.603533][T14974]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  800.603536][T14974]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  800.603538][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603540][T14974]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  800.603541][T14974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  800.603543][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603544][T14974]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  800.603547][T14974]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  800.603549][T14974]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  800.603551][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603553][T14974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  800.603555][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603556][T14974]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  800.603557][T14974]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  800.603559][T14974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  800.603561][T14974]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  800.603563][T14974]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  800.603567][T14974]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  800.603570][T14974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  800.603572][T14974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  800.603573][T14974]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  800.603575][T14974]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  800.603579][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603580][T14974]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  800.603582][T14974]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  800.603585][T14974]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  800.603587][T14974]  ? next_uptodate_folio (mm/filemap.c:3747)
[  800.603590][T14974]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  800.603592][T14974]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  800.603595][T14974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  800.603596][T14974]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  800.603600][T14974]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  800.603603][T14974]  ____sys_sendmsg (net/socket.c:2713)
[  800.603605][T14974]  ? copy_msghdr_from_user (net/socket.c:2650)
[  800.603607][T14974]  ? sock_write_iter (net/socket.c:1269)
[  800.603608][T14974]  ? move_addr_to_kernel (net/socket.c:258)
[  800.603611][T14974]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  800.603613][T14974]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  800.603615][T14974]  ___sys_sendmsg (net/socket.c:2767)
[  800.603617][T14974]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  800.603619][T14974]  ? copy_msghdr_from_user (net/socket.c:2619)
[  800.603621][T14974]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  800.603626][T14974]  __sys_sendmsg (net/socket.c:2799)
[  800.603628][T14974]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  800.603631][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603632][T14974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  800.603634][T14974]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  800.603637][T14974]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  800.603639][T14974]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  800.603641][T14974] RIP: 0033:0x7f31f94eb54e
[  800.603643][T14974] 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
[  800.603645][T14974] RSP: 002b:00007fff8bd78240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  800.603649][T14974] RAX: ffffffffffffffda RBX: 00007fff8bd78a08 RCX: 00007f31f94eb54e
[  800.603651][T14974] RDX: 0000000000000000 RSI: 00007fff8bd782f0 RDI: 0000000000000005
[  800.603652][T14974] RBP: 00007fff8bd78250 R08: 0000000000000000 R09: 0000000000000000
[  800.603653][T14974] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915319
[  800.603654][T14974] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8bd789c0
| [  802.442100][T15043] softirqs last disabled at (0): 0x0
| [  802.442102][T15043] Preemption disabled at:
| [  802.442102][T15043] vprintk_emit (kernel/printk/printk.c:2471)
| [  802.442114][T15043] Tainted: [W]=WARN
[  802.442115][T15043] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  802.442117][T15043] Call Trace:
[  802.442118][T15043]  <TASK>
[  802.442120][T15043]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  802.442125][T15043]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  802.442127][T15043]  __might_resched.cold (kernel/sched/core.c:9234)
[  802.442131][T15043]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  802.442135][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442138][T15043]  __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))
[  802.442141][T15043]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  802.442144][T15043]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  802.442150][T15043]  ? 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)
[  802.442151][T15043]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  802.442154][T15043]  put_chars (drivers/char/virtio_console.c:1176)
[  802.442156][T15043]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  802.442157][T15043]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  802.442160][T15043]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  802.442162][T15043]  ? pointer (lib/vsprintf.c:2577)
[  802.442166][T15043]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  802.442171][T15043]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  802.442173][T15043]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  802.442175][T15043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  802.442179][T15043]  console_emit_next_record (kernel/printk/printk.c:3183)
[  802.442184][T15043]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  802.442188][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442190][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442192][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442194][T15043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  802.442198][T15043]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  802.442200][T15043]  console_flush_one_record (kernel/printk/printk.c:3268)
[  802.442203][T15043]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  802.442206][T15043]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  802.442208][T15043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  802.442210][T15043]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  802.442212][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442213][T15043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  802.442215][T15043]  ? 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)
[  802.442216][T15043]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  802.442218][T15043]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  802.442221][T15043]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  802.442222][T15043]  vprintk_emit (kernel/printk/printk.c:2479)
[  802.442224][T15043]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  802.442225][T15043]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  802.442228][T15043]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  802.442232][T15043]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  802.442234][T15043]  _printk (kernel/printk/printk.c:2504)
[  802.442237][T15043]  ? snapshot_read.cold (user.c:?)
[  802.442240][T15043]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  802.442242][T15043]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  802.442246][T15043]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  802.442247][T15043]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  802.442251][T15043]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  802.442253][T15043]  ? netdev_notice (net/core/dev.c:13194)
[  802.442256][T15043]  ? 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)
[  802.442258][T15043]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  802.442261][T15043]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  802.442262][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442263][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442265][T15043]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  802.442266][T15043]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  802.442268][T15043]  ? 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)
[  802.442269][T15043]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  802.442271][T15043]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  802.442273][T15043]  ? register_netdev (net/core/dev.c:11618)
[  802.442274][T15043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  802.442276][T15043]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  802.442279][T15043]  ? __kernel_text_address (kernel/extable.c:79)
[  802.442282][T15043]  ? write_profile (profile.c:?)
[  802.442285][T15043]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  802.442289][T15043]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  802.442291][T15043]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  802.442293][T15043]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  802.442294][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442295][T15043]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  802.442298][T15043]  ? kasan_save_stack (mm/kasan/common.c:58)
[  802.442300][T15043]  ? kasan_save_stack (mm/kasan/common.c:57)
[  802.442302][T15043]  ? kasan_save_track (mm/kasan/common.c:78)
[  802.442303][T15043]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  802.442304][T15043]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  802.442305][T15043]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  802.442307][T15043]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  802.442308][T15043]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  802.442311][T15043]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  802.442313][T15043]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  802.442314][T15043]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  802.442317][T15043]  ? ____sys_sendmsg (net/socket.c:2713)
[  802.442319][T15043]  ? ___sys_sendmsg (net/socket.c:2767)
[  802.442320][T15043]  ? __sys_sendmsg (net/socket.c:2799)
[  802.442322][T15043]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  802.442325][T15043]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  802.442327][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442328][T15043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  802.442330][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442331][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442332][T15043]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  802.442334][T15043]  ? __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)
[  802.442335][T15043]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  802.442336][T15043]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  802.442338][T15043]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  802.442339][T15043]  ? nla_get_range_signed (lib/nlattr.c:270)
[  802.442343][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442344][T15043]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  802.442346][T15043]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  802.442349][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442350][T15043]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  802.442351][T15043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  802.442353][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442354][T15043]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  802.442357][T15043]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  802.442358][T15043]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  802.442360][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442361][T15043]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  802.442365][T15043]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  802.442367][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442369][T15043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  802.442370][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442372][T15043]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  802.442373][T15043]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  802.442375][T15043]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  802.442376][T15043]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  802.442378][T15043]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  802.442381][T15043]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  802.442383][T15043]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  802.442384][T15043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  802.442386][T15043]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  802.442388][T15043]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  802.442391][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442392][T15043]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  802.442394][T15043]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  802.442397][T15043]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  802.442402][T15043]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  802.442404][T15043]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  802.442406][T15043]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  802.442408][T15043]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  802.442410][T15043]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  802.442412][T15043]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  802.442415][T15043]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  802.442417][T15043]  ____sys_sendmsg (net/socket.c:2713)
[  802.442419][T15043]  ? copy_msghdr_from_user (net/socket.c:2650)
[  802.442421][T15043]  ? sock_write_iter (net/socket.c:1269)
[  802.442423][T15043]  ? move_addr_to_kernel (net/socket.c:258)
[  802.442425][T15043]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  802.442428][T15043]  ___sys_sendmsg (net/socket.c:2767)
[  802.442430][T15043]  ? copy_msghdr_from_user (net/socket.c:2619)
[  802.442435][T15043]  __sys_sendmsg (net/socket.c:2799)
[  802.442437][T15043]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  802.442441][T15043]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  802.442442][T15043]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  802.442444][T15043]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  802.442446][T15043]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  802.442448][T15043] RIP: 0033:0x7f95be1d754e
[  802.442450][T15043] 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
[  802.442452][T15043] RSP: 002b:00007ffec2dde5f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  802.442456][T15043] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f95be1d754e
[  802.442458][T15043] RDX: 0000000000000000 RSI: 00007ffec2dde6a0 RDI: 0000000000000005
[  802.442459][T15043] RBP: 00007ffec2dde600 R08: 0000000000000000 R09: 0000000000000000
[  802.442460][T15043] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91531b
[  802.442461][T15043] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec2dded60
| [  803.881390][T15093] softirqs last disabled at (0): 0x0
| [  803.881392][T15093] Preemption disabled at:
| [  803.881393][T15093] vprintk_emit (kernel/printk/printk.c:2471)
| [  803.881406][T15093] Tainted: [W]=WARN
[  803.881407][T15093] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  803.881409][T15093] Call Trace:
[  803.881410][T15093]  <TASK>
[  803.881411][T15093]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  803.881417][T15093]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  803.881419][T15093]  __might_resched.cold (kernel/sched/core.c:9234)
[  803.881423][T15093]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  803.881426][T15093]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  803.881429][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881432][T15093]  __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))
[  803.881435][T15093]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  803.881438][T15093]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  803.881443][T15093]  ? 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)
[  803.881445][T15093]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  803.881448][T15093]  put_chars (drivers/char/virtio_console.c:1176)
[  803.881450][T15093]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  803.881452][T15093]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  803.881455][T15093]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  803.881459][T15093]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  803.881461][T15093]  ? vsnprintf (lib/vsprintf.c:2900)
[  803.881464][T15093]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  803.881466][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881467][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881469][T15093]  console_emit_next_record (kernel/printk/printk.c:3183)
[  803.881472][T15093]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  803.881475][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881476][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881477][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881478][T15093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  803.881481][T15093]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  803.881483][T15093]  console_flush_one_record (kernel/printk/printk.c:3268)
[  803.881485][T15093]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  803.881488][T15093]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  803.881490][T15093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  803.881492][T15093]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  803.881494][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881495][T15093]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  803.881497][T15093]  ? 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)
[  803.881498][T15093]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  803.881505][T15093]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  803.881508][T15093]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  803.881509][T15093]  vprintk_emit (kernel/printk/printk.c:2479)
[  803.881511][T15093]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  803.881512][T15093]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  803.881514][T15093]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  803.881517][T15093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  803.881519][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881521][T15093]  _printk (kernel/printk/printk.c:2504)
[  803.881524][T15093]  ? snapshot_read.cold (user.c:?)
[  803.881526][T15093]  ? br_multicast_flood (??:?)
[  803.881530][T15093]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  803.881533][T15093]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  803.881534][T15093]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  803.881536][T15093]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  803.881539][T15093]  br_init_port (net/bridge/br_stp_if.c:39)
[  803.881541][T15093]  new_nbp (net/bridge/br_if.c:449)
[  803.881543][T15093]  br_add_if (net/bridge/br_if.c:592)
[  803.881545][T15093]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  803.881550][T15093]  do_set_master (net/core/rtnetlink.c:3071)
[  803.881552][T15093]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  803.881554][T15093]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  803.881555][T15093]  ? __dev_get_by_name (net/core/dev.c:905)
[  803.881557][T15093]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  803.881561][T15093]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  803.881564][T15093]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  803.881566][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881568][T15093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  803.881569][T15093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  803.881571][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881572][T15093]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  803.881575][T15093]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  803.881577][T15093]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  803.881580][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881581][T15093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  803.881583][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881584][T15093]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  803.881586][T15093]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  803.881588][T15093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  803.881589][T15093]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  803.881591][T15093]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  803.881595][T15093]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  803.881598][T15093]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  803.881599][T15093]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  803.881601][T15093]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  803.881603][T15093]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  803.881606][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881607][T15093]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  803.881610][T15093]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  803.881612][T15093]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  803.881614][T15093]  ? next_uptodate_folio (mm/filemap.c:3747)
[  803.881617][T15093]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  803.881620][T15093]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  803.881622][T15093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  803.881624][T15093]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  803.881627][T15093]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  803.881630][T15093]  ____sys_sendmsg (net/socket.c:2713)
[  803.881632][T15093]  ? copy_msghdr_from_user (net/socket.c:2650)
[  803.881634][T15093]  ? sock_write_iter (net/socket.c:1269)
[  803.881635][T15093]  ? move_addr_to_kernel (net/socket.c:258)
[  803.881638][T15093]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  803.881640][T15093]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  803.881643][T15093]  ___sys_sendmsg (net/socket.c:2767)
[  803.881644][T15093]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  803.881646][T15093]  ? copy_msghdr_from_user (net/socket.c:2619)
[  803.881648][T15093]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  803.881653][T15093]  __sys_sendmsg (net/socket.c:2799)
[  803.881655][T15093]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  803.881658][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881660][T15093]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  803.881661][T15093]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  803.881664][T15093]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  803.881666][T15093]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  803.881668][T15093] RIP: 0033:0x7f6e7fa4654e
[  803.881670][T15093] 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
[  803.881673][T15093] RSP: 002b:00007ffe2256b520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  803.881677][T15093] RAX: ffffffffffffffda RBX: 00007ffe2256bce8 RCX: 00007f6e7fa4654e
[  803.881678][T15093] RDX: 0000000000000000 RSI: 00007ffe2256b5d0 RDI: 0000000000000005
[  803.881679][T15093] RBP: 00007ffe2256b530 R08: 0000000000000000 R09: 0000000000000000
[  803.881680][T15093] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91531d
[  803.881681][T15093] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2256bca0
| [  810.142582][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  810.142586][   T12] Preemption disabled at:
| [  810.142587][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  810.142600][   T12] Tainted: [W]=WARN
[  810.142602][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  810.142605][   T12] Workqueue: netns cleanup_net
[  810.142612][   T12] Call Trace:
[  810.142614][   T12]  <TASK>
[  810.142616][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  810.142623][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  810.142626][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  810.142630][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  810.142633][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  810.142638][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.142641][   T12]  __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))
[  810.142645][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  810.142649][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  810.142656][   T12]  ? 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)
[  810.142658][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  810.142662][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  810.142665][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  810.142668][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  810.142672][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  810.142678][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  810.142680][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  810.142684][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  810.142686][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.142688][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.142692][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  810.142696][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  810.142699][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.142701][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.142703][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.142705][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.142709][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  810.142712][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  810.142716][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  810.142720][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  810.142723][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.142726][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  810.142728][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.142730][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  810.142733][   T12]  ? 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)
[  810.142735][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  810.142738][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  810.142741][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  810.142743][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  810.142746][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  810.142748][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  810.142750][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  810.142754][   T12]  ? kthread (kernel/kthread.c:436)
[  810.142757][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  810.142760][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  810.142764][   T12]  _printk (kernel/printk/printk.c:2504)
[  810.142768][   T12]  ? snapshot_read.cold (user.c:?)
[  810.142772][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  810.142776][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  810.142779][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  810.142783][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  810.142786][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.142788][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  810.142790][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  810.142795][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  810.142797][   T12]  ? 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)
[  810.142799][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  810.142803][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  810.142807][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  810.142812][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  810.142816][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  810.142819][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  810.142823][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  810.142826][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  810.142830][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  810.142833][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  810.142835][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  810.142839][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  810.142842][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  810.142845][   T12]  process_one_work (kernel/workqueue.c:3387)
[  810.142849][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  810.142853][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  810.142857][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  810.142862][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  810.142865][   T12]  kthread (kernel/kthread.c:436)
[  810.142867][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  810.142870][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  810.142873][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  810.142876][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  810.142879][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  810.142883][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  810.142886][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  811.653067][T15231] softirqs last disabled at (0): 0x0
| [  811.653068][T15231] Preemption disabled at:
| [  811.653069][T15231] vprintk_emit (kernel/printk/printk.c:2471)
| [  811.653080][T15231] Tainted: [W]=WARN
[  811.653081][T15231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  811.653083][T15231] Call Trace:
[  811.653084][T15231]  <TASK>
[  811.653086][T15231]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  811.653092][T15231]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  811.653093][T15231]  __might_resched.cold (kernel/sched/core.c:9234)
[  811.653097][T15231]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  811.653100][T15231]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  811.653103][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653106][T15231]  __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))
[  811.653108][T15231]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  811.653112][T15231]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  811.653117][T15231]  ? 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)
[  811.653119][T15231]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  811.653122][T15231]  put_chars (drivers/char/virtio_console.c:1176)
[  811.653123][T15231]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  811.653125][T15231]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  811.653128][T15231]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  811.653133][T15231]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  811.653134][T15231]  ? vsnprintf (lib/vsprintf.c:2900)
[  811.653138][T15231]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  811.653139][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653141][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653143][T15231]  console_emit_next_record (kernel/printk/printk.c:3183)
[  811.653146][T15231]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  811.653148][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653149][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653150][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653151][T15231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  811.653154][T15231]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  811.653156][T15231]  console_flush_one_record (kernel/printk/printk.c:3268)
[  811.653158][T15231]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  811.653161][T15231]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  811.653163][T15231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  811.653165][T15231]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  811.653167][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653168][T15231]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  811.653170][T15231]  ? 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)
[  811.653171][T15231]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  811.653173][T15231]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  811.653175][T15231]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  811.653177][T15231]  vprintk_emit (kernel/printk/printk.c:2479)
[  811.653178][T15231]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  811.653181][T15231]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  811.653184][T15231]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  811.653188][T15231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  811.653191][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653194][T15231]  _printk (kernel/printk/printk.c:2504)
[  811.653198][T15231]  ? snapshot_read.cold (user.c:?)
[  811.653201][T15231]  ? br_multicast_flood (??:?)
[  811.653204][T15231]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  811.653207][T15231]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  811.653208][T15231]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  811.653210][T15231]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  811.653213][T15231]  br_init_port (net/bridge/br_stp_if.c:39)
[  811.653215][T15231]  new_nbp (net/bridge/br_if.c:449)
[  811.653218][T15231]  br_add_if (net/bridge/br_if.c:592)
[  811.653220][T15231]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  811.653224][T15231]  do_set_master (net/core/rtnetlink.c:3071)
[  811.653226][T15231]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  811.653228][T15231]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  811.653230][T15231]  ? __dev_get_by_name (net/core/dev.c:905)
[  811.653232][T15231]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  811.653236][T15231]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  811.653239][T15231]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  811.653241][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653242][T15231]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  811.653244][T15231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  811.653245][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653247][T15231]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  811.653250][T15231]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  811.653252][T15231]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  811.653255][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653256][T15231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  811.653258][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653259][T15231]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  811.653261][T15231]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  811.653263][T15231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  811.653264][T15231]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  811.653266][T15231]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  811.653270][T15231]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  811.653273][T15231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  811.653275][T15231]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  811.653277][T15231]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  811.653278][T15231]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  811.653282][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653283][T15231]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  811.653285][T15231]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  811.653288][T15231]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  811.653290][T15231]  ? next_uptodate_folio (mm/filemap.c:3747)
[  811.653293][T15231]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  811.653295][T15231]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  811.653297][T15231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  811.653299][T15231]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  811.653303][T15231]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  811.653306][T15231]  ____sys_sendmsg (net/socket.c:2713)
[  811.653308][T15231]  ? copy_msghdr_from_user (net/socket.c:2650)
[  811.653310][T15231]  ? sock_write_iter (net/socket.c:1269)
[  811.653311][T15231]  ? move_addr_to_kernel (net/socket.c:258)
[  811.653313][T15231]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  811.653316][T15231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  811.653318][T15231]  ___sys_sendmsg (net/socket.c:2767)
[  811.653320][T15231]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  811.653322][T15231]  ? copy_msghdr_from_user (net/socket.c:2619)
[  811.653324][T15231]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  811.653328][T15231]  __sys_sendmsg (net/socket.c:2799)
[  811.653331][T15231]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  811.653333][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653335][T15231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  811.653336][T15231]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  811.653339][T15231]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  811.653341][T15231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  811.653343][T15231] RIP: 0033:0x7f4ccafeb54e
[  811.653345][T15231] 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
[  811.653347][T15231] RSP: 002b:00007ffdf6724850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  811.653351][T15231] RAX: ffffffffffffffda RBX: 00007ffdf6725018 RCX: 00007f4ccafeb54e
[  811.653353][T15231] RDX: 0000000000000000 RSI: 00007ffdf6724900 RDI: 0000000000000005
[  811.653354][T15231] RBP: 00007ffdf6724860 R08: 0000000000000000 R09: 0000000000000000
[  811.653355][T15231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915324
[  811.653356][T15231] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf6724fd0
| [  813.415224][T15300] softirqs last disabled at (0): 0x0
| [  813.415227][T15300] Preemption disabled at:
| [  813.415228][T15300] vprintk_emit (kernel/printk/printk.c:2471)
| [  813.415241][T15300] Tainted: [W]=WARN
[  813.415242][T15300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  813.415245][T15300] Call Trace:
[  813.415247][T15300]  <TASK>
[  813.415249][T15300]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  813.415255][T15300]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  813.415258][T15300]  __might_resched.cold (kernel/sched/core.c:9234)
[  813.415263][T15300]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  813.415267][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415271][T15300]  __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))
[  813.415275][T15300]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  813.415279][T15300]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  813.415285][T15300]  ? 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)
[  813.415288][T15300]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  813.415292][T15300]  put_chars (drivers/char/virtio_console.c:1176)
[  813.415295][T15300]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  813.415297][T15300]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  813.415301][T15300]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  813.415304][T15300]  ? pointer (lib/vsprintf.c:2577)
[  813.415309][T15300]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  813.415315][T15300]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  813.415318][T15300]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  813.415321][T15300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.415325][T15300]  console_emit_next_record (kernel/printk/printk.c:3183)
[  813.415329][T15300]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  813.415332][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415334][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415336][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415338][T15300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.415341][T15300]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  813.415344][T15300]  console_flush_one_record (kernel/printk/printk.c:3268)
[  813.415348][T15300]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  813.415352][T15300]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  813.415355][T15300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.415358][T15300]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  813.415360][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415363][T15300]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  813.415365][T15300]  ? 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)
[  813.415368][T15300]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  813.415371][T15300]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  813.415374][T15300]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  813.415376][T15300]  vprintk_emit (kernel/printk/printk.c:2479)
[  813.415379][T15300]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  813.415381][T15300]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  813.415385][T15300]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  813.415389][T15300]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  813.415393][T15300]  _printk (kernel/printk/printk.c:2504)
[  813.415402][T15300]  ? snapshot_read.cold (user.c:?)
[  813.415406][T15300]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  813.415410][T15300]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  813.415414][T15300]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  813.415418][T15300]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  813.415423][T15300]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  813.415426][T15300]  ? netdev_notice (net/core/dev.c:13194)
[  813.415430][T15300]  ? 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)
[  813.415433][T15300]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  813.415436][T15300]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  813.415439][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415441][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415443][T15300]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  813.415445][T15300]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  813.415448][T15300]  ? 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)
[  813.415450][T15300]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  813.415452][T15300]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  813.415455][T15300]  ? register_netdev (net/core/dev.c:11618)
[  813.415457][T15300]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  813.415461][T15300]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  813.415465][T15300]  ? __kernel_text_address (kernel/extable.c:79)
[  813.415468][T15300]  ? write_profile (profile.c:?)
[  813.415472][T15300]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  813.415477][T15300]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  813.415480][T15300]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  813.415483][T15300]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  813.415485][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415487][T15300]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  813.415492][T15300]  ? kasan_save_stack (mm/kasan/common.c:58)
[  813.415495][T15300]  ? kasan_save_stack (mm/kasan/common.c:57)
[  813.415497][T15300]  ? kasan_save_track (mm/kasan/common.c:78)
[  813.415499][T15300]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  813.415501][T15300]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  813.415503][T15300]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  813.415505][T15300]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  813.415507][T15300]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  813.415511][T15300]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  813.415513][T15300]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  813.415516][T15300]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  813.415519][T15300]  ? ____sys_sendmsg (net/socket.c:2713)
[  813.415521][T15300]  ? ___sys_sendmsg (net/socket.c:2767)
[  813.415524][T15300]  ? __sys_sendmsg (net/socket.c:2799)
[  813.415527][T15300]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  813.415530][T15300]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  813.415534][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415536][T15300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.415539][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415541][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415543][T15300]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  813.415546][T15300]  ? __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)
[  813.415548][T15300]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  813.415550][T15300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  813.415553][T15300]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  813.415555][T15300]  ? nla_get_range_signed (lib/nlattr.c:270)
[  813.415560][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415562][T15300]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  813.415566][T15300]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  813.415570][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415572][T15300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  813.415583][T15300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.415586][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415589][T15300]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  813.415593][T15300]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  813.415595][T15300]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  813.415598][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415601][T15300]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  813.415605][T15300]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  813.415608][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415611][T15300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.415613][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415616][T15300]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  813.415618][T15300]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  813.415622][T15300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  813.415624][T15300]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  813.415627][T15300]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  813.415632][T15300]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  813.415634][T15300]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  813.415637][T15300]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  813.415640][T15300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  813.415643][T15300]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  813.415648][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415650][T15300]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  813.415654][T15300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  813.415658][T15300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  813.415661][T15300]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  813.415664][T15300]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  813.415668][T15300]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  813.415671][T15300]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  813.415674][T15300]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  813.415677][T15300]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  813.415682][T15300]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  813.415685][T15300]  ____sys_sendmsg (net/socket.c:2713)
[  813.415688][T15300]  ? copy_msghdr_from_user (net/socket.c:2650)
[  813.415691][T15300]  ? sock_write_iter (net/socket.c:1269)
[  813.415693][T15300]  ? move_addr_to_kernel (net/socket.c:258)
[  813.415696][T15300]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  813.415700][T15300]  ___sys_sendmsg (net/socket.c:2767)
[  813.415704][T15300]  ? copy_msghdr_from_user (net/socket.c:2619)
[  813.415713][T15300]  __sys_sendmsg (net/socket.c:2799)
[  813.415716][T15300]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  813.415721][T15300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  813.415724][T15300]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  813.415727][T15300]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  813.415730][T15300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  813.415733][T15300] RIP: 0033:0x7f904178354e
[  813.415736][T15300] 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
[  813.415739][T15300] RSP: 002b:00007ffdc5f2e910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  813.415744][T15300] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f904178354e
[  813.415746][T15300] RDX: 0000000000000000 RSI: 00007ffdc5f2e9c0 RDI: 0000000000000005
[  813.415748][T15300] RBP: 00007ffdc5f2e920 R08: 0000000000000000 R09: 0000000000000000
[  813.415750][T15300] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915326
[  813.415752][T15300] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc5f2f080
| [  814.968868][T15352] softirqs last disabled at (0): 0x0
| [  814.968871][T15352] Preemption disabled at:
| [  814.968872][T15352] vprintk_emit (kernel/printk/printk.c:2471)
| [  814.968886][T15352] Tainted: [W]=WARN
[  814.968888][T15352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  814.968890][T15352] Call Trace:
[  814.968893][T15352]  <TASK>
[  814.968895][T15352]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  814.968903][T15352]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  814.968905][T15352]  __might_resched.cold (kernel/sched/core.c:9234)
[  814.968910][T15352]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  814.968913][T15352]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  814.968918][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.968922][T15352]  __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))
[  814.968926][T15352]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  814.968930][T15352]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  814.968937][T15352]  ? 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)
[  814.968940][T15352]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  814.968944][T15352]  put_chars (drivers/char/virtio_console.c:1176)
[  814.968947][T15352]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  814.968950][T15352]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  814.968954][T15352]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  814.968961][T15352]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  814.968963][T15352]  ? vsnprintf (lib/vsprintf.c:2900)
[  814.968968][T15352]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  814.968971][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.968973][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.968976][T15352]  console_emit_next_record (kernel/printk/printk.c:3183)
[  814.968981][T15352]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  814.968984][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.968986][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.968988][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.968991][T15352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.968994][T15352]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  814.968997][T15352]  console_flush_one_record (kernel/printk/printk.c:3268)
[  814.969001][T15352]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  814.969005][T15352]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  814.969008][T15352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.969011][T15352]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  814.969014][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.969016][T15352]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  814.969019][T15352]  ? 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)
[  814.969021][T15352]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  814.969024][T15352]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  814.969027][T15352]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  814.969030][T15352]  vprintk_emit (kernel/printk/printk.c:2479)
[  814.969033][T15352]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  814.969035][T15352]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  814.969038][T15352]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  814.969042][T15352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.969045][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.969047][T15352]  _printk (kernel/printk/printk.c:2504)
[  814.969051][T15352]  ? snapshot_read.cold (user.c:?)
[  814.969055][T15352]  ? br_multicast_flood (??:?)
[  814.969059][T15352]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  814.969063][T15352]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  814.969065][T15352]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  814.969068][T15352]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  814.969072][T15352]  br_init_port (net/bridge/br_stp_if.c:39)
[  814.969075][T15352]  new_nbp (net/bridge/br_if.c:449)
[  814.969078][T15352]  br_add_if (net/bridge/br_if.c:592)
[  814.969081][T15352]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  814.969087][T15352]  do_set_master (net/core/rtnetlink.c:3071)
[  814.969090][T15352]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  814.969093][T15352]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  814.969096][T15352]  ? __dev_get_by_name (net/core/dev.c:905)
[  814.969098][T15352]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  814.969105][T15352]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  814.969109][T15352]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  814.969113][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.969115][T15352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  814.969117][T15352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.969120][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.969122][T15352]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  814.969126][T15352]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  814.969129][T15352]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  814.969132][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.969134][T15352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.969137][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.969139][T15352]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  814.969142][T15352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  814.969145][T15352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  814.969147][T15352]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  814.969150][T15352]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  814.969156][T15352]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  814.969160][T15352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  814.969163][T15352]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  814.969165][T15352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  814.969168][T15352]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  814.969173][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.969175][T15352]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  814.969180][T15352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  814.969186][T15352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  814.969191][T15352]  ? next_uptodate_folio (mm/filemap.c:3747)
[  814.969195][T15352]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  814.969199][T15352]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  814.969202][T15352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.969205][T15352]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  814.969210][T15352]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  814.969214][T15352]  ____sys_sendmsg (net/socket.c:2713)
[  814.969217][T15352]  ? copy_msghdr_from_user (net/socket.c:2650)
[  814.969220][T15352]  ? sock_write_iter (net/socket.c:1269)
[  814.969223][T15352]  ? move_addr_to_kernel (net/socket.c:258)
[  814.969226][T15352]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  814.969230][T15352]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  814.969233][T15352]  ___sys_sendmsg (net/socket.c:2767)
[  814.969236][T15352]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  814.969239][T15352]  ? copy_msghdr_from_user (net/socket.c:2619)
[  814.969242][T15352]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  814.969250][T15352]  __sys_sendmsg (net/socket.c:2799)
[  814.969253][T15352]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  814.969258][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.969261][T15352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  814.969264][T15352]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  814.969268][T15352]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  814.969271][T15352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  814.969275][T15352] RIP: 0033:0x7fcc096e954e
[  814.969279][T15352] 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
[  814.969282][T15352] RSP: 002b:00007ffeb2b9bf90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  814.969287][T15352] RAX: ffffffffffffffda RBX: 00007ffeb2b9c758 RCX: 00007fcc096e954e
[  814.969289][T15352] RDX: 0000000000000000 RSI: 00007ffeb2b9c040 RDI: 0000000000000005
[  814.969291][T15352] RBP: 00007ffeb2b9bfa0 R08: 0000000000000000 R09: 0000000000000000
[  814.969293][T15352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915328
[  814.969294][T15352] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb2b9c710
| [  824.944093][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  824.944096][   T12] Preemption disabled at:
| [  824.944097][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  824.944108][   T12] Tainted: [W]=WARN
[  824.944109][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  824.944111][   T12] Workqueue: netns cleanup_net
[  824.944118][   T12] Call Trace:
[  824.944120][   T12]  <TASK>
[  824.944122][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  824.944127][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  824.944129][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  824.944132][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  824.944135][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  824.944138][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.944141][   T12]  __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))
[  824.944145][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  824.944148][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  824.944154][   T12]  ? 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)
[  824.944156][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  824.944159][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  824.944161][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  824.944163][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  824.944166][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  824.944171][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  824.944173][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  824.944175][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  824.944177][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.944179][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.944184][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  824.944191][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  824.944194][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.944197][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.944198][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.944199][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  824.944202][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  824.944204][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  824.944207][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  824.944211][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  824.944213][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  824.944214][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  824.944216][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.944217][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  824.944219][   T12]  ? 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)
[  824.944221][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  824.944222][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  824.944225][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  824.944226][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  824.944228][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  824.944229][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  824.944231][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  824.944234][   T12]  ? kthread (kernel/kthread.c:436)
[  824.944237][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  824.944240][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  824.944243][   T12]  _printk (kernel/printk/printk.c:2504)
[  824.944246][   T12]  ? snapshot_read.cold (user.c:?)
[  824.944248][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  824.944252][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  824.944255][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  824.944257][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  824.944260][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.944262][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  824.944263][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  824.944267][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  824.944268][   T12]  ? 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)
[  824.944270][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  824.944273][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  824.944276][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  824.944280][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  824.944282][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  824.944285][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  824.944288][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  824.944290][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  824.944293][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  824.944295][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  824.944297][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  824.944299][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  824.944301][   T12]  process_one_work (kernel/workqueue.c:3387)
[  824.944304][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  824.944307][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  824.944310][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  824.944314][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  824.944316][   T12]  kthread (kernel/kthread.c:436)
[  824.944318][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  824.944320][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  824.944322][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  824.944324][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  824.944327][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  824.944330][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  824.944332][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  826.356663][T15609] softirqs last disabled at (0): 0x0
| [  826.356666][T15609] Preemption disabled at:
| [  826.356666][T15609] vprintk_emit (kernel/printk/printk.c:2471)
| [  826.356683][T15609] Tainted: [W]=WARN
[  826.356685][T15609] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  826.356687][T15609] Call Trace:
[  826.356689][T15609]  <TASK>
[  826.356690][T15609]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  826.356696][T15609]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  826.356698][T15609]  __might_resched.cold (kernel/sched/core.c:9234)
[  826.356702][T15609]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  826.356704][T15609]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  826.356708][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356711][T15609]  __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))
[  826.356714][T15609]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  826.356717][T15609]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  826.356722][T15609]  ? 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)
[  826.356724][T15609]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  826.356727][T15609]  put_chars (drivers/char/virtio_console.c:1176)
[  826.356728][T15609]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  826.356730][T15609]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  826.356733][T15609]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  826.356738][T15609]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  826.356740][T15609]  ? vsnprintf (lib/vsprintf.c:2900)
[  826.356743][T15609]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  826.356745][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356746][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356748][T15609]  console_emit_next_record (kernel/printk/printk.c:3183)
[  826.356751][T15609]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  826.356754][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356755][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356756][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356757][T15609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.356760][T15609]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  826.356761][T15609]  console_flush_one_record (kernel/printk/printk.c:3268)
[  826.356764][T15609]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  826.356767][T15609]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  826.356769][T15609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.356771][T15609]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  826.356773][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356774][T15609]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  826.356776][T15609]  ? 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)
[  826.356777][T15609]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  826.356779][T15609]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  826.356781][T15609]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  826.356783][T15609]  vprintk_emit (kernel/printk/printk.c:2479)
[  826.356784][T15609]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  826.356786][T15609]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  826.356788][T15609]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  826.356791][T15609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.356792][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356794][T15609]  _printk (kernel/printk/printk.c:2504)
[  826.356797][T15609]  ? snapshot_read.cold (user.c:?)
[  826.356799][T15609]  ? br_multicast_flood (??:?)
[  826.356803][T15609]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  826.356805][T15609]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  826.356807][T15609]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  826.356808][T15609]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  826.356811][T15609]  br_init_port (net/bridge/br_stp_if.c:39)
[  826.356813][T15609]  new_nbp (net/bridge/br_if.c:449)
[  826.356816][T15609]  br_add_if (net/bridge/br_if.c:592)
[  826.356818][T15609]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  826.356822][T15609]  do_set_master (net/core/rtnetlink.c:3071)
[  826.356824][T15609]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  826.356826][T15609]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  826.356828][T15609]  ? __dev_get_by_name (net/core/dev.c:905)
[  826.356829][T15609]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  826.356834][T15609]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  826.356836][T15609]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  826.356838][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356840][T15609]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  826.356841][T15609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.356843][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356845][T15609]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  826.356847][T15609]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  826.356849][T15609]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  826.356852][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356853][T15609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.356855][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356856][T15609]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  826.356857][T15609]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  826.356859][T15609]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  826.356861][T15609]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  826.356863][T15609]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  826.356866][T15609]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  826.356870][T15609]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  826.356871][T15609]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  826.356873][T15609]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  826.356875][T15609]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  826.356878][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356879][T15609]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  826.356881][T15609]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  826.356884][T15609]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  826.356886][T15609]  ? next_uptodate_folio (mm/filemap.c:3747)
[  826.356890][T15609]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  826.356892][T15609]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  826.356895][T15609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.356896][T15609]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  826.356901][T15609]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  826.356905][T15609]  ____sys_sendmsg (net/socket.c:2713)
[  826.356907][T15609]  ? copy_msghdr_from_user (net/socket.c:2650)
[  826.356909][T15609]  ? sock_write_iter (net/socket.c:1269)
[  826.356910][T15609]  ? move_addr_to_kernel (net/socket.c:258)
[  826.356913][T15609]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  826.356916][T15609]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  826.356918][T15609]  ___sys_sendmsg (net/socket.c:2767)
[  826.356920][T15609]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  826.356923][T15609]  ? copy_msghdr_from_user (net/socket.c:2619)
[  826.356924][T15609]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  826.356930][T15609]  __sys_sendmsg (net/socket.c:2799)
[  826.356932][T15609]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  826.356935][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356936][T15609]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  826.356938][T15609]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  826.356940][T15609]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  826.356943][T15609]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  826.356945][T15609] RIP: 0033:0x7fbe21e7c54e
[  826.356947][T15609] 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
[  826.356949][T15609] RSP: 002b:00007ffc00c33580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  826.356953][T15609] RAX: ffffffffffffffda RBX: 00007ffc00c33d48 RCX: 00007fbe21e7c54e
[  826.356955][T15609] RDX: 0000000000000000 RSI: 00007ffc00c33630 RDI: 0000000000000005
[  826.356956][T15609] RBP: 00007ffc00c33590 R08: 0000000000000000 R09: 0000000000000000
[  826.356957][T15609] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915333
[  826.356958][T15609] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc00c33d00
| [  828.025023][T15677] softirqs last disabled at (0): 0x0
| [  828.025026][T15677] Preemption disabled at:
| [  828.025027][T15677] vprintk_emit (kernel/printk/printk.c:2471)
| [  828.025042][T15677] Tainted: [W]=WARN
[  828.025044][T15677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  828.025047][T15677] Call Trace:
[  828.025049][T15677]  <TASK>
[  828.025051][T15677]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  828.025058][T15677]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  828.025061][T15677]  __might_resched.cold (kernel/sched/core.c:9234)
[  828.025066][T15677]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  828.025071][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025075][T15677]  __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))
[  828.025079][T15677]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  828.025083][T15677]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  828.025091][T15677]  ? 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)
[  828.025094][T15677]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  828.025098][T15677]  put_chars (drivers/char/virtio_console.c:1176)
[  828.025101][T15677]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  828.025103][T15677]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  828.025107][T15677]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  828.025111][T15677]  ? pointer (lib/vsprintf.c:2577)
[  828.025116][T15677]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  828.025123][T15677]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  828.025126][T15677]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  828.025130][T15677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  828.025134][T15677]  console_emit_next_record (kernel/printk/printk.c:3183)
[  828.025139][T15677]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  828.025142][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025145][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025147][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025149][T15677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  828.025153][T15677]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  828.025156][T15677]  console_flush_one_record (kernel/printk/printk.c:3268)
[  828.025160][T15677]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  828.025165][T15677]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  828.025168][T15677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  828.025171][T15677]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  828.025174][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025176][T15677]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  828.025179][T15677]  ? 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)
[  828.025183][T15677]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  828.025187][T15677]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  828.025191][T15677]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  828.025194][T15677]  vprintk_emit (kernel/printk/printk.c:2479)
[  828.025198][T15677]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  828.025200][T15677]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  828.025204][T15677]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  828.025208][T15677]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  828.025212][T15677]  _printk (kernel/printk/printk.c:2504)
[  828.025216][T15677]  ? snapshot_read.cold (user.c:?)
[  828.025220][T15677]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  828.025224][T15677]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  828.025229][T15677]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  828.025232][T15677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  828.025237][T15677]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  828.025241][T15677]  ? netdev_notice (net/core/dev.c:13194)
[  828.025244][T15677]  ? 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)
[  828.025248][T15677]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  828.025252][T15677]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  828.025255][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025258][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025261][T15677]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  828.025264][T15677]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  828.025267][T15677]  ? 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)
[  828.025270][T15677]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  828.025272][T15677]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  828.025276][T15677]  ? register_netdev (net/core/dev.c:11618)
[  828.025278][T15677]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  828.025282][T15677]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  828.025286][T15677]  ? __kernel_text_address (kernel/extable.c:79)
[  828.025291][T15677]  ? write_profile (profile.c:?)
[  828.025295][T15677]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  828.025300][T15677]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  828.025304][T15677]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  828.025307][T15677]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  828.025309][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025312][T15677]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  828.025318][T15677]  ? kasan_save_stack (mm/kasan/common.c:58)
[  828.025321][T15677]  ? kasan_save_stack (mm/kasan/common.c:57)
[  828.025323][T15677]  ? kasan_save_track (mm/kasan/common.c:78)
[  828.025325][T15677]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  828.025328][T15677]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  828.025330][T15677]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  828.025332][T15677]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  828.025334][T15677]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  828.025339][T15677]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  828.025341][T15677]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  828.025344][T15677]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  828.025348][T15677]  ? ____sys_sendmsg (net/socket.c:2713)
[  828.025350][T15677]  ? ___sys_sendmsg (net/socket.c:2767)
[  828.025353][T15677]  ? __sys_sendmsg (net/socket.c:2799)
[  828.025356][T15677]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  828.025360][T15677]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  828.025365][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025367][T15677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  828.025370][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025372][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025375][T15677]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  828.025378][T15677]  ? __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)
[  828.025380][T15677]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  828.025383][T15677]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  828.025386][T15677]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  828.025388][T15677]  ? nla_get_range_signed (lib/nlattr.c:270)
[  828.025393][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025396][T15677]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  828.025403][T15677]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  828.025407][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025410][T15677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  828.025412][T15677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  828.025416][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025419][T15677]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  828.025422][T15677]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  828.025425][T15677]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  828.025428][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025431][T15677]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  828.025435][T15677]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  828.025439][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025441][T15677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  828.025444][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025446][T15677]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  828.025449][T15677]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  828.025453][T15677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  828.025455][T15677]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  828.025458][T15677]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  828.025463][T15677]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  828.025466][T15677]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  828.025468][T15677]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  828.025471][T15677]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  828.025474][T15677]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  828.025480][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025482][T15677]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  828.025486][T15677]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  828.025491][T15677]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  828.025494][T15677]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  828.025498][T15677]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  828.025502][T15677]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  828.025505][T15677]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  828.025508][T15677]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  828.025511][T15677]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  828.025516][T15677]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  828.025520][T15677]  ____sys_sendmsg (net/socket.c:2713)
[  828.025523][T15677]  ? copy_msghdr_from_user (net/socket.c:2650)
[  828.025526][T15677]  ? sock_write_iter (net/socket.c:1269)
[  828.025529][T15677]  ? move_addr_to_kernel (net/socket.c:258)
[  828.025532][T15677]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  828.025537][T15677]  ___sys_sendmsg (net/socket.c:2767)
[  828.025541][T15677]  ? copy_msghdr_from_user (net/socket.c:2619)
[  828.025550][T15677]  __sys_sendmsg (net/socket.c:2799)
[  828.025554][T15677]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  828.025559][T15677]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  828.025561][T15677]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  828.025564][T15677]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  828.025567][T15677]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  828.025570][T15677] RIP: 0033:0x7f645858e54e
[  828.025574][T15677] 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
[  828.025577][T15677] RSP: 002b:00007ffcceda02a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  828.025582][T15677] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f645858e54e
[  828.025585][T15677] RDX: 0000000000000000 RSI: 00007ffcceda0350 RDI: 0000000000000005
[  828.025587][T15677] RBP: 00007ffcceda02b0 R08: 0000000000000000 R09: 0000000000000000
[  828.025588][T15677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915335
[  828.025590][T15677] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcceda0a10
| [  829.458301][T15728] softirqs last disabled at (0): 0x0
| [  829.458303][T15728] Preemption disabled at:
| [  829.458304][T15728] vprintk_emit (kernel/printk/printk.c:2471)
| [  829.458315][T15728] Tainted: [W]=WARN
[  829.458316][T15728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  829.458317][T15728] Call Trace:
[  829.458319][T15728]  <TASK>
[  829.458321][T15728]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  829.458327][T15728]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  829.458328][T15728]  __might_resched.cold (kernel/sched/core.c:9234)
[  829.458332][T15728]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  829.458334][T15728]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  829.458338][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458341][T15728]  __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))
[  829.458344][T15728]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  829.458347][T15728]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  829.458352][T15728]  ? 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)
[  829.458354][T15728]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  829.458357][T15728]  put_chars (drivers/char/virtio_console.c:1176)
[  829.458359][T15728]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  829.458361][T15728]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  829.458364][T15728]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  829.458368][T15728]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  829.458370][T15728]  ? vsnprintf (lib/vsprintf.c:2900)
[  829.458374][T15728]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  829.458375][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458377][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458379][T15728]  console_emit_next_record (kernel/printk/printk.c:3183)
[  829.458381][T15728]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  829.458384][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458385][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458386][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458387][T15728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  829.458390][T15728]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  829.458392][T15728]  console_flush_one_record (kernel/printk/printk.c:3268)
[  829.458394][T15728]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  829.458397][T15728]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  829.458402][T15728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  829.458404][T15728]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  829.458406][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458407][T15728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  829.458409][T15728]  ? 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)
[  829.458411][T15728]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  829.458412][T15728]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  829.458415][T15728]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  829.458416][T15728]  vprintk_emit (kernel/printk/printk.c:2479)
[  829.458418][T15728]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  829.458419][T15728]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  829.458421][T15728]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  829.458424][T15728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  829.458426][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458427][T15728]  _printk (kernel/printk/printk.c:2504)
[  829.458430][T15728]  ? snapshot_read.cold (user.c:?)
[  829.458433][T15728]  ? br_multicast_flood (??:?)
[  829.458436][T15728]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  829.458439][T15728]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  829.458440][T15728]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  829.458442][T15728]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  829.458445][T15728]  br_init_port (net/bridge/br_stp_if.c:39)
[  829.458447][T15728]  new_nbp (net/bridge/br_if.c:449)
[  829.458450][T15728]  br_add_if (net/bridge/br_if.c:592)
[  829.458452][T15728]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  829.458456][T15728]  do_set_master (net/core/rtnetlink.c:3071)
[  829.458458][T15728]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  829.458460][T15728]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  829.458461][T15728]  ? __dev_get_by_name (net/core/dev.c:905)
[  829.458463][T15728]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  829.458467][T15728]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  829.458470][T15728]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  829.458472][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458474][T15728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  829.458475][T15728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  829.458477][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458478][T15728]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  829.458481][T15728]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  829.458483][T15728]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  829.458485][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458486][T15728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  829.458488][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458489][T15728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  829.458491][T15728]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  829.458493][T15728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  829.458494][T15728]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  829.458496][T15728]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  829.458500][T15728]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  829.458503][T15728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  829.458505][T15728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  829.458506][T15728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  829.458508][T15728]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  829.458511][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458513][T15728]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  829.458515][T15728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  829.458518][T15728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  829.458521][T15728]  ? next_uptodate_folio (mm/filemap.c:3747)
[  829.458524][T15728]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  829.458526][T15728]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  829.458529][T15728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  829.458530][T15728]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  829.458535][T15728]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  829.458539][T15728]  ____sys_sendmsg (net/socket.c:2713)
[  829.458541][T15728]  ? copy_msghdr_from_user (net/socket.c:2650)
[  829.458544][T15728]  ? sock_write_iter (net/socket.c:1269)
[  829.458546][T15728]  ? move_addr_to_kernel (net/socket.c:258)
[  829.458550][T15728]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  829.458553][T15728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  829.458556][T15728]  ___sys_sendmsg (net/socket.c:2767)
[  829.458559][T15728]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  829.458562][T15728]  ? copy_msghdr_from_user (net/socket.c:2619)
[  829.458564][T15728]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  829.458572][T15728]  __sys_sendmsg (net/socket.c:2799)
[  829.458575][T15728]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  829.458579][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458582][T15728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  829.458584][T15728]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  829.458588][T15728]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  829.458591][T15728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  829.458594][T15728] RIP: 0033:0x7f6c2346d54e
[  829.458597][T15728] 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
[  829.458600][T15728] RSP: 002b:00007ffcfcfdca50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  829.458605][T15728] RAX: ffffffffffffffda RBX: 00007ffcfcfdd218 RCX: 00007f6c2346d54e
[  829.458607][T15728] RDX: 0000000000000000 RSI: 00007ffcfcfdcb00 RDI: 0000000000000005
[  829.458608][T15728] RBP: 00007ffcfcfdca60 R08: 0000000000000000 R09: 0000000000000000
[  829.458610][T15728] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915336
[  829.458612][T15728] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfcfdd1d0
| [  839.425391][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  839.425394][   T12] Preemption disabled at:
| [  839.425396][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  839.425413][   T12] Tainted: [W]=WARN
[  839.425415][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  839.425418][   T12] Workqueue: netns cleanup_net
[  839.425425][   T12] Call Trace:
[  839.425427][   T12]  <TASK>
[  839.425430][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  839.425436][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  839.425439][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  839.425443][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  839.425446][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  839.425451][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.425454][   T12]  __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))
[  839.425458][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  839.425462][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  839.425468][   T12]  ? 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)
[  839.425471][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  839.425475][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  839.425478][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  839.425481][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  839.425485][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  839.425491][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  839.425494][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  839.425497][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  839.425500][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.425502][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.425506][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  839.425510][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  839.425513][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.425516][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.425518][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.425520][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  839.425524][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  839.425527][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  839.425531][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  839.425535][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  839.425538][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  839.425541][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  839.425544][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.425546][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  839.425549][   T12]  ? 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)
[  839.425551][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  839.425554][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  839.425558][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  839.425560][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  839.425563][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  839.425566][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  839.425568][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  839.425572][   T12]  ? kthread (kernel/kthread.c:436)
[  839.425575][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  839.425579][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  839.425584][   T12]  _printk (kernel/printk/printk.c:2504)
[  839.425588][   T12]  ? snapshot_read.cold (user.c:?)
[  839.425592][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  839.425596][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  839.425600][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  839.425603][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  839.425607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.425610][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  839.425612][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  839.425616][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  839.425619][   T12]  ? 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)
[  839.425621][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  839.425625][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  839.425629][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  839.425635][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  839.425638][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  839.425642][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  839.425646][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  839.425649][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  839.425653][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  839.425656][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  839.425659][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.425662][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  839.425665][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  839.425668][   T12]  process_one_work (kernel/workqueue.c:3387)
[  839.425673][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  839.425677][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  839.425681][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  839.425686][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  839.425689][   T12]  kthread (kernel/kthread.c:436)
[  839.425692][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  839.425694][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  839.425698][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  839.425701][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  839.425704][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  839.425708][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  839.425711][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  840.885335][T15984] softirqs last disabled at (0): 0x0
| [  840.885338][T15984] Preemption disabled at:
| [  840.885338][T15984] vprintk_emit (kernel/printk/printk.c:2471)
| [  840.885349][T15984] Tainted: [W]=WARN
[  840.885350][T15984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  840.885352][T15984] Call Trace:
[  840.885353][T15984]  <TASK>
[  840.885355][T15984]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  840.885361][T15984]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  840.885362][T15984]  __might_resched.cold (kernel/sched/core.c:9234)
[  840.885366][T15984]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  840.885369][T15984]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  840.885373][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885375][T15984]  __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))
[  840.885379][T15984]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  840.885382][T15984]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  840.885387][T15984]  ? 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)
[  840.885389][T15984]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  840.885392][T15984]  put_chars (drivers/char/virtio_console.c:1176)
[  840.885394][T15984]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  840.885396][T15984]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  840.885402][T15984]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  840.885407][T15984]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  840.885409][T15984]  ? vsnprintf (lib/vsprintf.c:2900)
[  840.885412][T15984]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  840.885414][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885415][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885417][T15984]  console_emit_next_record (kernel/printk/printk.c:3183)
[  840.885420][T15984]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  840.885423][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885424][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885425][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885426][T15984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  840.885429][T15984]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  840.885431][T15984]  console_flush_one_record (kernel/printk/printk.c:3268)
[  840.885433][T15984]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  840.885436][T15984]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  840.885438][T15984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  840.885440][T15984]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  840.885442][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885443][T15984]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  840.885444][T15984]  ? 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)
[  840.885446][T15984]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  840.885448][T15984]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  840.885450][T15984]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  840.885451][T15984]  vprintk_emit (kernel/printk/printk.c:2479)
[  840.885453][T15984]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  840.885454][T15984]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  840.885456][T15984]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  840.885459][T15984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  840.885461][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885463][T15984]  _printk (kernel/printk/printk.c:2504)
[  840.885466][T15984]  ? snapshot_read.cold (user.c:?)
[  840.885468][T15984]  ? br_multicast_flood (??:?)
[  840.885471][T15984]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  840.885474][T15984]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  840.885475][T15984]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  840.885477][T15984]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  840.885480][T15984]  br_init_port (net/bridge/br_stp_if.c:39)
[  840.885482][T15984]  new_nbp (net/bridge/br_if.c:449)
[  840.885484][T15984]  br_add_if (net/bridge/br_if.c:592)
[  840.885486][T15984]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  840.885490][T15984]  do_set_master (net/core/rtnetlink.c:3071)
[  840.885492][T15984]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  840.885494][T15984]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  840.885496][T15984]  ? __dev_get_by_name (net/core/dev.c:905)
[  840.885498][T15984]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  840.885502][T15984]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  840.885504][T15984]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  840.885507][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885508][T15984]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  840.885509][T15984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  840.885511][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885512][T15984]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  840.885515][T15984]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  840.885517][T15984]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  840.885520][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885521][T15984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  840.885522][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885524][T15984]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  840.885525][T15984]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  840.885527][T15984]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  840.885529][T15984]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  840.885530][T15984]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  840.885534][T15984]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  840.885537][T15984]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  840.885539][T15984]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  840.885540][T15984]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  840.885542][T15984]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  840.885546][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885547][T15984]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  840.885549][T15984]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  840.885551][T15984]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  840.885553][T15984]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  840.885556][T15984]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  840.885559][T15984]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  840.885562][T15984]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  840.885564][T15984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  840.885565][T15984]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  840.885569][T15984]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  840.885572][T15984]  ____sys_sendmsg (net/socket.c:2713)
[  840.885574][T15984]  ? copy_msghdr_from_user (net/socket.c:2650)
[  840.885576][T15984]  ? sock_write_iter (net/socket.c:1269)
[  840.885578][T15984]  ? move_addr_to_kernel (net/socket.c:258)
[  840.885580][T15984]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  840.885583][T15984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  840.885585][T15984]  ___sys_sendmsg (net/socket.c:2767)
[  840.885587][T15984]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  840.885589][T15984]  ? copy_msghdr_from_user (net/socket.c:2619)
[  840.885590][T15984]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  840.885595][T15984]  __sys_sendmsg (net/socket.c:2799)
[  840.885597][T15984]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  840.885600][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885601][T15984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  840.885603][T15984]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  840.885605][T15984]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  840.885608][T15984]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  840.885610][T15984] RIP: 0033:0x7fc69ee7154e
[  840.885612][T15984] 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
[  840.885614][T15984] RSP: 002b:00007ffffcff6080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  840.885618][T15984] RAX: ffffffffffffffda RBX: 00007ffffcff6848 RCX: 00007fc69ee7154e
[  840.885619][T15984] RDX: 0000000000000000 RSI: 00007ffffcff6130 RDI: 0000000000000005
[  840.885620][T15984] RBP: 00007ffffcff6090 R08: 0000000000000000 R09: 0000000000000000
[  840.885621][T15984] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915342
[  840.885622][T15984] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffcff6800
| [  842.518886][T16054] softirqs last disabled at (0): 0x0
| [  842.518888][T16054] Preemption disabled at:
| [  842.518889][T16054] vprintk_emit (kernel/printk/printk.c:2471)
| [  842.518899][T16054] Tainted: [W]=WARN
[  842.518900][T16054] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  842.518902][T16054] Call Trace:
[  842.518903][T16054]  <TASK>
[  842.518905][T16054]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  842.518911][T16054]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  842.518912][T16054]  __might_resched.cold (kernel/sched/core.c:9234)
[  842.518916][T16054]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  842.518920][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.518923][T16054]  __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))
[  842.518926][T16054]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  842.518929][T16054]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  842.518934][T16054]  ? 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)
[  842.518936][T16054]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  842.518939][T16054]  put_chars (drivers/char/virtio_console.c:1176)
[  842.518941][T16054]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  842.518942][T16054]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  842.518945][T16054]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  842.518947][T16054]  ? pointer (lib/vsprintf.c:2577)
[  842.518950][T16054]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  842.518955][T16054]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  842.518957][T16054]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  842.518960][T16054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  842.518962][T16054]  console_emit_next_record (kernel/printk/printk.c:3183)
[  842.518965][T16054]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  842.518967][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.518969][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.518970][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.518971][T16054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  842.518973][T16054]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  842.518975][T16054]  console_flush_one_record (kernel/printk/printk.c:3268)
[  842.518978][T16054]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  842.518981][T16054]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  842.518983][T16054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  842.518985][T16054]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  842.518986][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.518988][T16054]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  842.518989][T16054]  ? 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)
[  842.518991][T16054]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  842.518993][T16054]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  842.518995][T16054]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  842.518996][T16054]  vprintk_emit (kernel/printk/printk.c:2479)
[  842.518998][T16054]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  842.518999][T16054]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  842.519002][T16054]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  842.519005][T16054]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  842.519007][T16054]  _printk (kernel/printk/printk.c:2504)
[  842.519011][T16054]  ? snapshot_read.cold (user.c:?)
[  842.519013][T16054]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  842.519015][T16054]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  842.519018][T16054]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  842.519020][T16054]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  842.519024][T16054]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  842.519026][T16054]  ? netdev_notice (net/core/dev.c:13194)
[  842.519028][T16054]  ? 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)
[  842.519030][T16054]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  842.519033][T16054]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  842.519035][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519036][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519037][T16054]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  842.519039][T16054]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  842.519040][T16054]  ? 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)
[  842.519042][T16054]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  842.519043][T16054]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  842.519045][T16054]  ? register_netdev (net/core/dev.c:11618)
[  842.519047][T16054]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  842.519049][T16054]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  842.519052][T16054]  ? __kernel_text_address (kernel/extable.c:79)
[  842.519055][T16054]  ? write_profile (profile.c:?)
[  842.519058][T16054]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  842.519061][T16054]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  842.519063][T16054]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  842.519065][T16054]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  842.519066][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519068][T16054]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  842.519071][T16054]  ? kasan_save_stack (mm/kasan/common.c:58)
[  842.519073][T16054]  ? kasan_save_stack (mm/kasan/common.c:57)
[  842.519074][T16054]  ? kasan_save_track (mm/kasan/common.c:78)
[  842.519076][T16054]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  842.519077][T16054]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  842.519078][T16054]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  842.519079][T16054]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  842.519081][T16054]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  842.519084][T16054]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  842.519086][T16054]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  842.519087][T16054]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  842.519090][T16054]  ? ____sys_sendmsg (net/socket.c:2713)
[  842.519091][T16054]  ? ___sys_sendmsg (net/socket.c:2767)
[  842.519093][T16054]  ? __sys_sendmsg (net/socket.c:2799)
[  842.519095][T16054]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  842.519097][T16054]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  842.519100][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519101][T16054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  842.519103][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519104][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519105][T16054]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  842.519106][T16054]  ? __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)
[  842.519108][T16054]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  842.519109][T16054]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  842.519111][T16054]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  842.519112][T16054]  ? nla_get_range_signed (lib/nlattr.c:270)
[  842.519116][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519117][T16054]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  842.519119][T16054]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  842.519122][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519123][T16054]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  842.519124][T16054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  842.519126][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519127][T16054]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  842.519130][T16054]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  842.519131][T16054]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  842.519133][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519134][T16054]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  842.519138][T16054]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  842.519140][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519141][T16054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  842.519143][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519145][T16054]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  842.519146][T16054]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  842.519148][T16054]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  842.519149][T16054]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  842.519151][T16054]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  842.519154][T16054]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  842.519156][T16054]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  842.519157][T16054]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  842.519159][T16054]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  842.519161][T16054]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  842.519164][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519165][T16054]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  842.519168][T16054]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  842.519170][T16054]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  842.519172][T16054]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  842.519174][T16054]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  842.519176][T16054]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  842.519179][T16054]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  842.519182][T16054]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  842.519185][T16054]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  842.519190][T16054]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  842.519193][T16054]  ____sys_sendmsg (net/socket.c:2713)
[  842.519195][T16054]  ? copy_msghdr_from_user (net/socket.c:2650)
[  842.519197][T16054]  ? sock_write_iter (net/socket.c:1269)
[  842.519199][T16054]  ? move_addr_to_kernel (net/socket.c:258)
[  842.519201][T16054]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  842.519203][T16054]  ___sys_sendmsg (net/socket.c:2767)
[  842.519205][T16054]  ? copy_msghdr_from_user (net/socket.c:2619)
[  842.519211][T16054]  __sys_sendmsg (net/socket.c:2799)
[  842.519213][T16054]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  842.519216][T16054]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  842.519217][T16054]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  842.519219][T16054]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  842.519222][T16054]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  842.519223][T16054] RIP: 0033:0x7fa8bf0f254e
[  842.519225][T16054] 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
[  842.519228][T16054] RSP: 002b:00007fff4ee9bbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  842.519232][T16054] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa8bf0f254e
[  842.519234][T16054] RDX: 0000000000000000 RSI: 00007fff4ee9bc60 RDI: 0000000000000005
[  842.519234][T16054] RBP: 00007fff4ee9bbc0 R08: 0000000000000000 R09: 0000000000000000
[  842.519235][T16054] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915343
[  842.519236][T16054] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4ee9c320
| [  843.883633][T16111] softirqs last disabled at (0): 0x0
| [  843.883636][T16111] Preemption disabled at:
| [  843.883636][T16111] vprintk_emit (kernel/printk/printk.c:2471)
| [  843.883647][T16111] Tainted: [W]=WARN
[  843.883648][T16111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  843.883650][T16111] Call Trace:
[  843.883651][T16111]  <TASK>
[  843.883653][T16111]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  843.883659][T16111]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  843.883660][T16111]  __might_resched.cold (kernel/sched/core.c:9234)
[  843.883664][T16111]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  843.883667][T16111]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  843.883670][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883673][T16111]  __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))
[  843.883676][T16111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  843.883679][T16111]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  843.883685][T16111]  ? 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)
[  843.883687][T16111]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  843.883689][T16111]  put_chars (drivers/char/virtio_console.c:1176)
[  843.883691][T16111]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  843.883693][T16111]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  843.883696][T16111]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  843.883701][T16111]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  843.883703][T16111]  ? vsnprintf (lib/vsprintf.c:2900)
[  843.883707][T16111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  843.883708][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883710][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883711][T16111]  console_emit_next_record (kernel/printk/printk.c:3183)
[  843.883714][T16111]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  843.883717][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883718][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883719][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883720][T16111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  843.883722][T16111]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  843.883724][T16111]  console_flush_one_record (kernel/printk/printk.c:3268)
[  843.883727][T16111]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  843.883730][T16111]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  843.883732][T16111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  843.883734][T16111]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  843.883736][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883737][T16111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  843.883738][T16111]  ? 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)
[  843.883740][T16111]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  843.883741][T16111]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  843.883744][T16111]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  843.883745][T16111]  vprintk_emit (kernel/printk/printk.c:2479)
[  843.883747][T16111]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  843.883748][T16111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  843.883750][T16111]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  843.883753][T16111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  843.883755][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883757][T16111]  _printk (kernel/printk/printk.c:2504)
[  843.883760][T16111]  ? snapshot_read.cold (user.c:?)
[  843.883762][T16111]  ? br_multicast_flood (??:?)
[  843.883765][T16111]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  843.883768][T16111]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  843.883770][T16111]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  843.883771][T16111]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  843.883775][T16111]  br_init_port (net/bridge/br_stp_if.c:39)
[  843.883776][T16111]  new_nbp (net/bridge/br_if.c:449)
[  843.883779][T16111]  br_add_if (net/bridge/br_if.c:592)
[  843.883781][T16111]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  843.883785][T16111]  do_set_master (net/core/rtnetlink.c:3071)
[  843.883787][T16111]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  843.883789][T16111]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  843.883791][T16111]  ? __dev_get_by_name (net/core/dev.c:905)
[  843.883793][T16111]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  843.883797][T16111]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  843.883799][T16111]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  843.883802][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883803][T16111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  843.883804][T16111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  843.883806][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883813][T16111]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  843.883816][T16111]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  843.883818][T16111]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  843.883820][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883822][T16111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  843.883823][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883825][T16111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  843.883826][T16111]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  843.883828][T16111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  843.883830][T16111]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  843.883831][T16111]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  843.883835][T16111]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  843.883838][T16111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  843.883840][T16111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  843.883841][T16111]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  843.883843][T16111]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  843.883846][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883848][T16111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  843.883850][T16111]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  843.883852][T16111]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  843.883854][T16111]  ? next_uptodate_folio (mm/filemap.c:3747)
[  843.883857][T16111]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  843.883860][T16111]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  843.883862][T16111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  843.883864][T16111]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  843.883867][T16111]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  843.883870][T16111]  ____sys_sendmsg (net/socket.c:2713)
[  843.883872][T16111]  ? copy_msghdr_from_user (net/socket.c:2650)
[  843.883874][T16111]  ? sock_write_iter (net/socket.c:1269)
[  843.883876][T16111]  ? move_addr_to_kernel (net/socket.c:258)
[  843.883878][T16111]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  843.883881][T16111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  843.883883][T16111]  ___sys_sendmsg (net/socket.c:2767)
[  843.883884][T16111]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  843.883886][T16111]  ? copy_msghdr_from_user (net/socket.c:2619)
[  843.883888][T16111]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  843.883893][T16111]  __sys_sendmsg (net/socket.c:2799)
[  843.883895][T16111]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  843.883898][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883899][T16111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  843.883901][T16111]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  843.883903][T16111]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  843.883905][T16111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  843.883907][T16111] RIP: 0033:0x7fb98a29154e
[  843.883910][T16111] 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
[  843.883912][T16111] RSP: 002b:00007ffe6c80eec0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  843.883916][T16111] RAX: ffffffffffffffda RBX: 00007ffe6c80f688 RCX: 00007fb98a29154e
[  843.883917][T16111] RDX: 0000000000000000 RSI: 00007ffe6c80ef70 RDI: 0000000000000005
[  843.883918][T16111] RBP: 00007ffe6c80eed0 R08: 0000000000000000 R09: 0000000000000000
[  843.883919][T16111] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915345
[  843.883920][T16111] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6c80f640
| [  850.624874][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  850.624877][   T12] Preemption disabled at:
| [  850.624878][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  850.624888][   T12] Tainted: [W]=WARN
[  850.624889][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  850.624891][   T12] Workqueue: netns cleanup_net
[  850.624897][   T12] Call Trace:
[  850.624899][   T12]  <TASK>
[  850.624901][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  850.624907][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  850.624909][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  850.624912][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  850.624915][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  850.624918][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.624921][   T12]  __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))
[  850.624924][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  850.624928][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  850.624932][   T12]  ? 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)
[  850.624934][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  850.624937][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  850.624939][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  850.624941][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  850.624944][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  850.624948][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  850.624950][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  850.624953][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  850.624955][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.624956][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.624958][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  850.624961][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  850.624963][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.624965][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.624966][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.624967][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.624969][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  850.624972][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  850.624974][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  850.624977][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  850.624979][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.624981][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  850.624983][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.624984][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  850.624986][   T12]  ? 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)
[  850.624988][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  850.624989][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  850.624992][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  850.624994][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  850.624995][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  850.624997][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  850.624998][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  850.625001][   T12]  ? kthread (kernel/kthread.c:436)
[  850.625003][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  850.625006][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  850.625009][   T12]  _printk (kernel/printk/printk.c:2504)
[  850.625012][   T12]  ? snapshot_read.cold (user.c:?)
[  850.625015][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  850.625018][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  850.625021][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  850.625023][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  850.625025][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.625027][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  850.625028][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  850.625032][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  850.625033][   T12]  ? 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)
[  850.625035][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  850.625037][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  850.625040][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  850.625044][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  850.625047][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  850.625049][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  850.625051][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  850.625054][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  850.625057][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  850.625059][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  850.625061][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  850.625063][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  850.625065][   T12]  process_one_work (kernel/workqueue.c:3387)
[  850.625068][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  850.625071][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  850.625073][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  850.625077][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  850.625079][   T12]  kthread (kernel/kthread.c:436)
[  850.625081][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  850.625082][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  850.625084][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  850.625086][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  850.625089][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  850.625092][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  850.625094][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  852.120354][T16263] softirqs last disabled at (0): 0x0
| [  852.120355][T16263] Preemption disabled at:
| [  852.120356][T16263] vprintk_emit (kernel/printk/printk.c:2471)
| [  852.120366][T16263] Tainted: [W]=WARN
[  852.120368][T16263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  852.120370][T16263] Call Trace:
[  852.120371][T16263]  <TASK>
[  852.120373][T16263]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  852.120379][T16263]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  852.120380][T16263]  __might_resched.cold (kernel/sched/core.c:9234)
[  852.120384][T16263]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  852.120387][T16263]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  852.120390][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120393][T16263]  __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))
[  852.120396][T16263]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  852.120399][T16263]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  852.120407][T16263]  ? 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)
[  852.120409][T16263]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  852.120411][T16263]  put_chars (drivers/char/virtio_console.c:1176)
[  852.120413][T16263]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  852.120415][T16263]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  852.120418][T16263]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  852.120423][T16263]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  852.120424][T16263]  ? vsnprintf (lib/vsprintf.c:2900)
[  852.120428][T16263]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  852.120430][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120431][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120433][T16263]  console_emit_next_record (kernel/printk/printk.c:3183)
[  852.120436][T16263]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  852.120438][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120440][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120441][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120442][T16263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.120444][T16263]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  852.120446][T16263]  console_flush_one_record (kernel/printk/printk.c:3268)
[  852.120449][T16263]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  852.120452][T16263]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  852.120454][T16263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.120456][T16263]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  852.120458][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120459][T16263]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  852.120460][T16263]  ? 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)
[  852.120462][T16263]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  852.120463][T16263]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  852.120466][T16263]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  852.120467][T16263]  vprintk_emit (kernel/printk/printk.c:2479)
[  852.120469][T16263]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  852.120470][T16263]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  852.120472][T16263]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  852.120475][T16263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.120477][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120478][T16263]  _printk (kernel/printk/printk.c:2504)
[  852.120481][T16263]  ? snapshot_read.cold (user.c:?)
[  852.120484][T16263]  ? br_multicast_flood (??:?)
[  852.120487][T16263]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  852.120490][T16263]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  852.120491][T16263]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  852.120493][T16263]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  852.120496][T16263]  br_init_port (net/bridge/br_stp_if.c:39)
[  852.120498][T16263]  new_nbp (net/bridge/br_if.c:449)
[  852.120500][T16263]  br_add_if (net/bridge/br_if.c:592)
[  852.120502][T16263]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  852.120507][T16263]  do_set_master (net/core/rtnetlink.c:3071)
[  852.120509][T16263]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  852.120511][T16263]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  852.120512][T16263]  ? __dev_get_by_name (net/core/dev.c:905)
[  852.120514][T16263]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  852.120518][T16263]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  852.120521][T16263]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  852.120523][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120524][T16263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  852.120526][T16263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.120527][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120529][T16263]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  852.120531][T16263]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  852.120533][T16263]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  852.120536][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120537][T16263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.120539][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120540][T16263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  852.120542][T16263]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  852.120544][T16263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  852.120545][T16263]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  852.120547][T16263]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  852.120551][T16263]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  852.120554][T16263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  852.120555][T16263]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  852.120557][T16263]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  852.120559][T16263]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  852.120562][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120563][T16263]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  852.120565][T16263]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  852.120568][T16263]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  852.120570][T16263]  ? next_uptodate_folio (mm/filemap.c:3747)
[  852.120573][T16263]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  852.120575][T16263]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  852.120577][T16263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.120579][T16263]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  852.120582][T16263]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  852.120585][T16263]  ____sys_sendmsg (net/socket.c:2713)
[  852.120587][T16263]  ? copy_msghdr_from_user (net/socket.c:2650)
[  852.120589][T16263]  ? sock_write_iter (net/socket.c:1269)
[  852.120591][T16263]  ? move_addr_to_kernel (net/socket.c:258)
[  852.120593][T16263]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  852.120595][T16263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  852.120597][T16263]  ___sys_sendmsg (net/socket.c:2767)
[  852.120599][T16263]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  852.120601][T16263]  ? copy_msghdr_from_user (net/socket.c:2619)
[  852.120603][T16263]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  852.120608][T16263]  __sys_sendmsg (net/socket.c:2799)
[  852.120610][T16263]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  852.120613][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120614][T16263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  852.120615][T16263]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  852.120618][T16263]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  852.120620][T16263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  852.120622][T16263] RIP: 0033:0x7f4ccee7254e
[  852.120625][T16263] 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
[  852.120627][T16263] RSP: 002b:00007ffe36d37560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  852.120631][T16263] RAX: ffffffffffffffda RBX: 00007ffe36d37d28 RCX: 00007f4ccee7254e
[  852.120632][T16263] RDX: 0000000000000000 RSI: 00007ffe36d37610 RDI: 0000000000000005
[  852.120633][T16263] RBP: 00007ffe36d37570 R08: 0000000000000000 R09: 0000000000000000
[  852.120634][T16263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91534d
[  852.120635][T16263] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe36d37ce0
| [  853.745664][T16332] softirqs last disabled at (0): 0x0
| [  853.745666][T16332] Preemption disabled at:
| [  853.745667][T16332] vprintk_emit (kernel/printk/printk.c:2471)
| [  853.745678][T16332] Tainted: [W]=WARN
[  853.745679][T16332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  853.745681][T16332] Call Trace:
[  853.745683][T16332]  <TASK>
[  853.745684][T16332]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  853.745690][T16332]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  853.745691][T16332]  __might_resched.cold (kernel/sched/core.c:9234)
[  853.745695][T16332]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  853.745699][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745702][T16332]  __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))
[  853.745705][T16332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  853.745708][T16332]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  853.745714][T16332]  ? 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)
[  853.745715][T16332]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  853.745718][T16332]  put_chars (drivers/char/virtio_console.c:1176)
[  853.745720][T16332]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  853.745721][T16332]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  853.745724][T16332]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  853.745726][T16332]  ? pointer (lib/vsprintf.c:2577)
[  853.745729][T16332]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  853.745734][T16332]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  853.745736][T16332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  853.745738][T16332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.745741][T16332]  console_emit_next_record (kernel/printk/printk.c:3183)
[  853.745744][T16332]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  853.745746][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745747][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745748][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745749][T16332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.745752][T16332]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  853.745754][T16332]  console_flush_one_record (kernel/printk/printk.c:3268)
[  853.745756][T16332]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  853.745759][T16332]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  853.745761][T16332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.745763][T16332]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  853.745764][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745765][T16332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  853.745767][T16332]  ? 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)
[  853.745769][T16332]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  853.745770][T16332]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  853.745773][T16332]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  853.745774][T16332]  vprintk_emit (kernel/printk/printk.c:2479)
[  853.745776][T16332]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  853.745777][T16332]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  853.745780][T16332]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  853.745783][T16332]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  853.745786][T16332]  _printk (kernel/printk/printk.c:2504)
[  853.745789][T16332]  ? snapshot_read.cold (user.c:?)
[  853.745791][T16332]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  853.745793][T16332]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  853.745796][T16332]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  853.745798][T16332]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  853.745802][T16332]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  853.745804][T16332]  ? netdev_notice (net/core/dev.c:13194)
[  853.745807][T16332]  ? 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)
[  853.745808][T16332]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  853.745811][T16332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  853.745813][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745814][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745815][T16332]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  853.745817][T16332]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  853.745818][T16332]  ? 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)
[  853.745820][T16332]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  853.745821][T16332]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  853.745823][T16332]  ? register_netdev (net/core/dev.c:11618)
[  853.745824][T16332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  853.745826][T16332]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  853.745829][T16332]  ? __kernel_text_address (kernel/extable.c:79)
[  853.745832][T16332]  ? write_profile (profile.c:?)
[  853.745835][T16332]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  853.745838][T16332]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  853.745840][T16332]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  853.745842][T16332]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  853.745843][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745845][T16332]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  853.745848][T16332]  ? kasan_save_stack (mm/kasan/common.c:58)
[  853.745850][T16332]  ? kasan_save_stack (mm/kasan/common.c:57)
[  853.745851][T16332]  ? kasan_save_track (mm/kasan/common.c:78)
[  853.745852][T16332]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  853.745853][T16332]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  853.745855][T16332]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  853.745856][T16332]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  853.745857][T16332]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  853.745860][T16332]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  853.745862][T16332]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  853.745863][T16332]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  853.745866][T16332]  ? ____sys_sendmsg (net/socket.c:2713)
[  853.745867][T16332]  ? ___sys_sendmsg (net/socket.c:2767)
[  853.745869][T16332]  ? __sys_sendmsg (net/socket.c:2799)
[  853.745871][T16332]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  853.745873][T16332]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  853.745876][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745877][T16332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.745879][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745880][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745881][T16332]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  853.745889][T16332]  ? __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)
[  853.745890][T16332]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  853.745892][T16332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  853.745893][T16332]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  853.745895][T16332]  ? nla_get_range_signed (lib/nlattr.c:270)
[  853.745898][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745899][T16332]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  853.745902][T16332]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  853.745904][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745905][T16332]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  853.745906][T16332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.745908][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745910][T16332]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  853.745912][T16332]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  853.745913][T16332]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  853.745915][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745916][T16332]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  853.745920][T16332]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  853.745922][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745924][T16332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.745925][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745927][T16332]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  853.745928][T16332]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  853.745930][T16332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  853.745932][T16332]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  853.745933][T16332]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  853.745936][T16332]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  853.745938][T16332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  853.745939][T16332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  853.745941][T16332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  853.745943][T16332]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  853.745946][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745947][T16332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  853.745949][T16332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  853.745952][T16332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  853.745954][T16332]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  853.745956][T16332]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  853.745958][T16332]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  853.745960][T16332]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  853.745961][T16332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  853.745963][T16332]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  853.745966][T16332]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  853.745968][T16332]  ____sys_sendmsg (net/socket.c:2713)
[  853.745970][T16332]  ? copy_msghdr_from_user (net/socket.c:2650)
[  853.745972][T16332]  ? sock_write_iter (net/socket.c:1269)
[  853.745973][T16332]  ? move_addr_to_kernel (net/socket.c:258)
[  853.745975][T16332]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  853.745978][T16332]  ___sys_sendmsg (net/socket.c:2767)
[  853.745980][T16332]  ? copy_msghdr_from_user (net/socket.c:2619)
[  853.745985][T16332]  __sys_sendmsg (net/socket.c:2799)
[  853.745987][T16332]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  853.745990][T16332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  853.745991][T16332]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  853.745993][T16332]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  853.745995][T16332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  853.745997][T16332] RIP: 0033:0x7efea1dbb54e
[  853.745999][T16332] 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
[  853.746001][T16332] RSP: 002b:00007ffe6c2638c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  853.746005][T16332] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007efea1dbb54e
[  853.746006][T16332] RDX: 0000000000000000 RSI: 00007ffe6c263970 RDI: 0000000000000005
[  853.746007][T16332] RBP: 00007ffe6c2638d0 R08: 0000000000000000 R09: 0000000000000000
[  853.746008][T16332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91534f
[  853.746009][T16332] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6c264030
| [  855.024412][T16382] softirqs last disabled at (0): 0x0
| [  855.024414][T16382] Preemption disabled at:
| [  855.024415][T16382] vprintk_emit (kernel/printk/printk.c:2471)
| [  855.024425][T16382] Tainted: [W]=WARN
[  855.024427][T16382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  855.024428][T16382] Call Trace:
[  855.024430][T16382]  <TASK>
[  855.024431][T16382]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  855.024437][T16382]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  855.024438][T16382]  __might_resched.cold (kernel/sched/core.c:9234)
[  855.024442][T16382]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  855.024444][T16382]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  855.024448][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024451][T16382]  __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))
[  855.024454][T16382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  855.024457][T16382]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  855.024462][T16382]  ? 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)
[  855.024464][T16382]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  855.024467][T16382]  put_chars (drivers/char/virtio_console.c:1176)
[  855.024469][T16382]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  855.024471][T16382]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  855.024473][T16382]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  855.024478][T16382]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  855.024480][T16382]  ? vsnprintf (lib/vsprintf.c:2900)
[  855.024484][T16382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  855.024486][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024487][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024489][T16382]  console_emit_next_record (kernel/printk/printk.c:3183)
[  855.024492][T16382]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  855.024494][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024495][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024496][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024497][T16382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.024500][T16382]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  855.024502][T16382]  console_flush_one_record (kernel/printk/printk.c:3268)
[  855.024504][T16382]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  855.024507][T16382]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  855.024509][T16382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.024511][T16382]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  855.024513][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024514][T16382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  855.024516][T16382]  ? 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)
[  855.024517][T16382]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  855.024519][T16382]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  855.024521][T16382]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  855.024523][T16382]  vprintk_emit (kernel/printk/printk.c:2479)
[  855.024524][T16382]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  855.024526][T16382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  855.024528][T16382]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  855.024531][T16382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.024532][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024534][T16382]  _printk (kernel/printk/printk.c:2504)
[  855.024537][T16382]  ? snapshot_read.cold (user.c:?)
[  855.024540][T16382]  ? br_multicast_flood (??:?)
[  855.024543][T16382]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  855.024546][T16382]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  855.024547][T16382]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  855.024549][T16382]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  855.024552][T16382]  br_init_port (net/bridge/br_stp_if.c:39)
[  855.024554][T16382]  new_nbp (net/bridge/br_if.c:449)
[  855.024556][T16382]  br_add_if (net/bridge/br_if.c:592)
[  855.024558][T16382]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  855.024562][T16382]  do_set_master (net/core/rtnetlink.c:3071)
[  855.024564][T16382]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  855.024566][T16382]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  855.024567][T16382]  ? __dev_get_by_name (net/core/dev.c:905)
[  855.024569][T16382]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  855.024573][T16382]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  855.024576][T16382]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  855.024578][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024580][T16382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  855.024581][T16382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.024583][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024584][T16382]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  855.024587][T16382]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  855.024588][T16382]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  855.024591][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024592][T16382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.024594][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024595][T16382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  855.024597][T16382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  855.024598][T16382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  855.024600][T16382]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  855.024601][T16382]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  855.024605][T16382]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  855.024608][T16382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  855.024610][T16382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  855.024611][T16382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  855.024613][T16382]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  855.024616][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024618][T16382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  855.024620][T16382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  855.024622][T16382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  855.024624][T16382]  ? next_uptodate_folio (mm/filemap.c:3747)
[  855.024627][T16382]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  855.024629][T16382]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  855.024632][T16382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.024633][T16382]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  855.024637][T16382]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  855.024640][T16382]  ____sys_sendmsg (net/socket.c:2713)
[  855.024642][T16382]  ? copy_msghdr_from_user (net/socket.c:2650)
[  855.024643][T16382]  ? sock_write_iter (net/socket.c:1269)
[  855.024645][T16382]  ? move_addr_to_kernel (net/socket.c:258)
[  855.024647][T16382]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  855.024650][T16382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  855.024652][T16382]  ___sys_sendmsg (net/socket.c:2767)
[  855.024654][T16382]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  855.024655][T16382]  ? copy_msghdr_from_user (net/socket.c:2619)
[  855.024657][T16382]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  855.024662][T16382]  __sys_sendmsg (net/socket.c:2799)
[  855.024664][T16382]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  855.024667][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024668][T16382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  855.024670][T16382]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  855.024672][T16382]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  855.024674][T16382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  855.024676][T16382] RIP: 0033:0x7f2a60dfb54e
[  855.024678][T16382] 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
[  855.024680][T16382] RSP: 002b:00007fffad7ee460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  855.024684][T16382] RAX: ffffffffffffffda RBX: 00007fffad7eec28 RCX: 00007f2a60dfb54e
[  855.024685][T16382] RDX: 0000000000000000 RSI: 00007fffad7ee510 RDI: 0000000000000005
[  855.024686][T16382] RBP: 00007fffad7ee470 R08: 0000000000000000 R09: 0000000000000000
[  855.024687][T16382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915350
[  855.024688][T16382] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffad7eebe0
| [  861.806497][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  861.806500][   T12] Preemption disabled at:
| [  861.806501][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  861.806511][   T12] Tainted: [W]=WARN
[  861.806512][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  861.806514][   T12] Workqueue: netns cleanup_net
[  861.806520][   T12] Call Trace:
[  861.806522][   T12]  <TASK>
[  861.806524][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  861.806529][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  861.806531][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  861.806535][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  861.806537][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  861.806541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  861.806543][   T12]  __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))
[  861.806546][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  861.806549][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  861.806554][   T12]  ? 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)
[  861.806556][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  861.806559][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  861.806561][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  861.806563][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  861.806565][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  861.806570][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  861.806572][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  861.806574][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  861.806576][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  861.806577][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  861.806579][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  861.806582][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  861.806585][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  861.806586][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  861.806589][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  861.806591][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  861.806593][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  861.806596][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  861.806598][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  861.806600][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  861.806602][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  861.806603][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  861.806605][   T12]  ? 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)
[  861.806606][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  861.806608][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  861.806610][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  861.806612][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  861.806613][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  861.806615][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  861.806616][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  861.806619][   T12]  ? kthread (kernel/kthread.c:436)
[  861.806622][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  861.806624][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  861.806627][   T12]  _printk (kernel/printk/printk.c:2504)
[  861.806630][   T12]  ? snapshot_read.cold (user.c:?)
[  861.806632][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  861.806636][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  861.806638][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  861.806640][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  861.806643][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  861.806644][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  861.806645][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  861.806648][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  861.806650][   T12]  ? 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)
[  861.806652][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  861.806654][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  861.806656][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  861.806660][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  861.806662][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  861.806665][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  861.806667][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  861.806669][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  861.806672][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  861.806674][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  861.806676][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[  861.806679][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  861.806681][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  861.806682][   T12]  process_one_work (kernel/workqueue.c:3387)
[  861.806685][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  861.806688][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  861.806691][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  861.806694][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  861.806696][   T12]  kthread (kernel/kthread.c:436)
[  861.806698][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  861.806700][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  861.806702][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  861.806704][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  861.806706][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  861.806709][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  861.806711][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  863.401177][T16535] softirqs last disabled at (0): 0x0
| [  863.401179][T16535] Preemption disabled at:
| [  863.401180][T16535] vprintk_emit (kernel/printk/printk.c:2471)
| [  863.401190][T16535] Tainted: [W]=WARN
[  863.401192][T16535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  863.401193][T16535] Call Trace:
[  863.401195][T16535]  <TASK>
[  863.401196][T16535]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  863.401203][T16535]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  863.401204][T16535]  __might_resched.cold (kernel/sched/core.c:9234)
[  863.401208][T16535]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  863.401211][T16535]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  863.401215][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401217][T16535]  __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))
[  863.401220][T16535]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  863.401223][T16535]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  863.401229][T16535]  ? 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)
[  863.401230][T16535]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  863.401233][T16535]  put_chars (drivers/char/virtio_console.c:1176)
[  863.401235][T16535]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  863.401237][T16535]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  863.401239][T16535]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  863.401244][T16535]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  863.401246][T16535]  ? vsnprintf (lib/vsprintf.c:2900)
[  863.401249][T16535]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  863.401251][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401252][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401254][T16535]  console_emit_next_record (kernel/printk/printk.c:3183)
[  863.401257][T16535]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  863.401260][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401261][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401262][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401264][T16535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.401266][T16535]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  863.401268][T16535]  console_flush_one_record (kernel/printk/printk.c:3268)
[  863.401271][T16535]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  863.401274][T16535]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  863.401276][T16535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.401277][T16535]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  863.401279][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401280][T16535]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  863.401282][T16535]  ? 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)
[  863.401283][T16535]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  863.401285][T16535]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  863.401287][T16535]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  863.401289][T16535]  vprintk_emit (kernel/printk/printk.c:2479)
[  863.401291][T16535]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  863.401292][T16535]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  863.401294][T16535]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  863.401297][T16535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.401299][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401300][T16535]  _printk (kernel/printk/printk.c:2504)
[  863.401303][T16535]  ? snapshot_read.cold (user.c:?)
[  863.401305][T16535]  ? br_multicast_flood (??:?)
[  863.401309][T16535]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  863.401311][T16535]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  863.401313][T16535]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  863.401315][T16535]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  863.401318][T16535]  br_init_port (net/bridge/br_stp_if.c:39)
[  863.401319][T16535]  new_nbp (net/bridge/br_if.c:449)
[  863.401322][T16535]  br_add_if (net/bridge/br_if.c:592)
[  863.401324][T16535]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  863.401328][T16535]  do_set_master (net/core/rtnetlink.c:3071)
[  863.401330][T16535]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  863.401332][T16535]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  863.401333][T16535]  ? __dev_get_by_name (net/core/dev.c:905)
[  863.401335][T16535]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  863.401339][T16535]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  863.401342][T16535]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  863.401344][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401346][T16535]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  863.401347][T16535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.401349][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401350][T16535]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  863.401353][T16535]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  863.401355][T16535]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  863.401357][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401359][T16535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.401360][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401362][T16535]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  863.401363][T16535]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  863.401365][T16535]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  863.401366][T16535]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  863.401368][T16535]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  863.401372][T16535]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  863.401375][T16535]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  863.401377][T16535]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  863.401379][T16535]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  863.401380][T16535]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  863.401383][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401385][T16535]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  863.401387][T16535]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  863.401389][T16535]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  863.401391][T16535]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  863.401394][T16535]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  863.401397][T16535]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  863.401399][T16535]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  863.401403][T16535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.401405][T16535]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  863.401409][T16535]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  863.401412][T16535]  ____sys_sendmsg (net/socket.c:2713)
[  863.401414][T16535]  ? copy_msghdr_from_user (net/socket.c:2650)
[  863.401416][T16535]  ? sock_write_iter (net/socket.c:1269)
[  863.401417][T16535]  ? move_addr_to_kernel (net/socket.c:258)
[  863.401420][T16535]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  863.401422][T16535]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  863.401425][T16535]  ___sys_sendmsg (net/socket.c:2767)
[  863.401426][T16535]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  863.401428][T16535]  ? copy_msghdr_from_user (net/socket.c:2619)
[  863.401430][T16535]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  863.401435][T16535]  __sys_sendmsg (net/socket.c:2799)
[  863.401437][T16535]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  863.401440][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401441][T16535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  863.401442][T16535]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  863.401446][T16535]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  863.401448][T16535]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  863.401450][T16535] RIP: 0033:0x7f9b6e21054e
[  863.401452][T16535] 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
[  863.401456][T16535] RSP: 002b:00007ffed94bbb30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  863.401461][T16535] RAX: ffffffffffffffda RBX: 00007ffed94bc2f8 RCX: 00007f9b6e21054e
[  863.401464][T16535] RDX: 0000000000000000 RSI: 00007ffed94bbbe0 RDI: 0000000000000005
[  863.401465][T16535] RBP: 00007ffed94bbb40 R08: 0000000000000000 R09: 0000000000000000
[  863.401467][T16535] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915358
[  863.401469][T16535] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed94bc2b0
| [  865.251488][T16604] softirqs last disabled at (0): 0x0
| [  865.251492][T16604] Preemption disabled at:
| [  865.251494][T16604] vprintk_emit (kernel/printk/printk.c:2471)
| [  865.251509][T16604] Tainted: [W]=WARN
[  865.251511][T16604] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  865.251514][T16604] Call Trace:
[  865.251517][T16604]  <TASK>
[  865.251519][T16604]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  865.251527][T16604]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  865.251529][T16604]  __might_resched.cold (kernel/sched/core.c:9234)
[  865.251534][T16604]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  865.251539][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251543][T16604]  __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))
[  865.251547][T16604]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  865.251551][T16604]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  865.251557][T16604]  ? 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)
[  865.251559][T16604]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  865.251563][T16604]  put_chars (drivers/char/virtio_console.c:1176)
[  865.251566][T16604]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  865.251568][T16604]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  865.251571][T16604]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  865.251574][T16604]  ? pointer (lib/vsprintf.c:2577)
[  865.251579][T16604]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  865.251585][T16604]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  865.251587][T16604]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  865.251590][T16604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  865.251592][T16604]  console_emit_next_record (kernel/printk/printk.c:3183)
[  865.251595][T16604]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  865.251597][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251599][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251600][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251601][T16604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  865.251603][T16604]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  865.251605][T16604]  console_flush_one_record (kernel/printk/printk.c:3268)
[  865.251607][T16604]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  865.251610][T16604]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  865.251612][T16604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  865.251614][T16604]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  865.251616][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251617][T16604]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  865.251620][T16604]  ? 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)
[  865.251622][T16604]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  865.251625][T16604]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  865.251628][T16604]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  865.251630][T16604]  vprintk_emit (kernel/printk/printk.c:2479)
[  865.251635][T16604]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  865.251640][T16604]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  865.251644][T16604]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  865.251653][T16604]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  865.251658][T16604]  _printk (kernel/printk/printk.c:2504)
[  865.251663][T16604]  ? snapshot_read.cold (user.c:?)
[  865.251667][T16604]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  865.251674][T16604]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  865.251680][T16604]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  865.251683][T16604]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  865.251688][T16604]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  865.251692][T16604]  ? netdev_notice (net/core/dev.c:13194)
[  865.251696][T16604]  ? 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)
[  865.251699][T16604]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  865.251704][T16604]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  865.251706][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251708][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251711][T16604]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  865.251713][T16604]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  865.251716][T16604]  ? 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)
[  865.251718][T16604]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  865.251721][T16604]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  865.251724][T16604]  ? register_netdev (net/core/dev.c:11618)
[  865.251726][T16604]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  865.251729][T16604]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  865.251733][T16604]  ? __kernel_text_address (kernel/extable.c:79)
[  865.251737][T16604]  ? write_profile (profile.c:?)
[  865.251740][T16604]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  865.251745][T16604]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  865.251749][T16604]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  865.251751][T16604]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  865.251753][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251755][T16604]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  865.251760][T16604]  ? kasan_save_stack (mm/kasan/common.c:58)
[  865.251762][T16604]  ? kasan_save_stack (mm/kasan/common.c:57)
[  865.251764][T16604]  ? kasan_save_track (mm/kasan/common.c:78)
[  865.251766][T16604]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  865.251768][T16604]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  865.251770][T16604]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  865.251772][T16604]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  865.251774][T16604]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  865.251777][T16604]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  865.251780][T16604]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  865.251782][T16604]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  865.251786][T16604]  ? ____sys_sendmsg (net/socket.c:2713)
[  865.251788][T16604]  ? ___sys_sendmsg (net/socket.c:2767)
[  865.251790][T16604]  ? __sys_sendmsg (net/socket.c:2799)
[  865.251792][T16604]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  865.251796][T16604]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  865.251800][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251802][T16604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  865.251804][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251805][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251807][T16604]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  865.251808][T16604]  ? __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)
[  865.251810][T16604]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  865.251811][T16604]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  865.251813][T16604]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  865.251814][T16604]  ? nla_get_range_signed (lib/nlattr.c:270)
[  865.251817][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251819][T16604]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  865.251821][T16604]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  865.251823][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251824][T16604]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  865.251826][T16604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  865.251827][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251829][T16604]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  865.251831][T16604]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  865.251832][T16604]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  865.251834][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251835][T16604]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  865.251839][T16604]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  865.251842][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251843][T16604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  865.251845][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251846][T16604]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  865.251847][T16604]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  865.251849][T16604]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  865.251851][T16604]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  865.251853][T16604]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  865.251855][T16604]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  865.251857][T16604]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  865.251858][T16604]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  865.251860][T16604]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  865.251862][T16604]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  865.251865][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251866][T16604]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  865.251868][T16604]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  865.251871][T16604]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  865.251873][T16604]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  865.251875][T16604]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  865.251877][T16604]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  865.251879][T16604]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  865.251880][T16604]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  865.251882][T16604]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  865.251886][T16604]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  865.251888][T16604]  ____sys_sendmsg (net/socket.c:2713)
[  865.251890][T16604]  ? copy_msghdr_from_user (net/socket.c:2650)
[  865.251891][T16604]  ? sock_write_iter (net/socket.c:1269)
[  865.251893][T16604]  ? move_addr_to_kernel (net/socket.c:258)
[  865.251894][T16604]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  865.251897][T16604]  ___sys_sendmsg (net/socket.c:2767)
[  865.251899][T16604]  ? copy_msghdr_from_user (net/socket.c:2619)
[  865.251904][T16604]  __sys_sendmsg (net/socket.c:2799)
[  865.251906][T16604]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  865.251909][T16604]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  865.251911][T16604]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  865.251913][T16604]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  865.251915][T16604]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  865.251917][T16604] RIP: 0033:0x7f71ac9d554e
[  865.251920][T16604] 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
[  865.251922][T16604] RSP: 002b:00007ffed1caf3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  865.251926][T16604] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f71ac9d554e
[  865.251928][T16604] RDX: 0000000000000000 RSI: 00007ffed1caf480 RDI: 0000000000000005
[  865.251929][T16604] RBP: 00007ffed1caf3e0 R08: 0000000000000000 R09: 0000000000000000
[  865.251930][T16604] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91535a
[  865.251931][T16604] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed1cafb40
| [  866.715298][T16655] softirqs last disabled at (0): 0x0
| [  866.715301][T16655] Preemption disabled at:
| [  866.715302][T16655] vprintk_emit (kernel/printk/printk.c:2471)
| [  866.715317][T16655] Tainted: [W]=WARN
[  866.715319][T16655] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  866.715322][T16655] Call Trace:
[  866.715324][T16655]  <TASK>
[  866.715326][T16655]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  866.715333][T16655]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  866.715336][T16655]  __might_resched.cold (kernel/sched/core.c:9234)
[  866.715341][T16655]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  866.715345][T16655]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  866.715349][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715353][T16655]  __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))
[  866.715357][T16655]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  866.715362][T16655]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  866.715369][T16655]  ? 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)
[  866.715372][T16655]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  866.715376][T16655]  put_chars (drivers/char/virtio_console.c:1176)
[  866.715379][T16655]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  866.715383][T16655]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  866.715387][T16655]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  866.715393][T16655]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  866.715396][T16655]  ? vsnprintf (lib/vsprintf.c:2900)
[  866.715404][T16655]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  866.715407][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715409][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715412][T16655]  console_emit_next_record (kernel/printk/printk.c:3183)
[  866.715417][T16655]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  866.715420][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715423][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715425][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715427][T16655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  866.715431][T16655]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  866.715434][T16655]  console_flush_one_record (kernel/printk/printk.c:3268)
[  866.715438][T16655]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  866.715443][T16655]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  866.715446][T16655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  866.715448][T16655]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  866.715451][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715453][T16655]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  866.715456][T16655]  ? 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)
[  866.715459][T16655]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  866.715462][T16655]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  866.715466][T16655]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  866.715469][T16655]  vprintk_emit (kernel/printk/printk.c:2479)
[  866.715473][T16655]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  866.715477][T16655]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  866.715480][T16655]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  866.715485][T16655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  866.715488][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715493][T16655]  _printk (kernel/printk/printk.c:2504)
[  866.715498][T16655]  ? snapshot_read.cold (user.c:?)
[  866.715502][T16655]  ? br_multicast_flood (??:?)
[  866.715507][T16655]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  866.715512][T16655]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  866.715515][T16655]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  866.715519][T16655]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  866.715525][T16655]  br_init_port (net/bridge/br_stp_if.c:39)
[  866.715528][T16655]  new_nbp (net/bridge/br_if.c:449)
[  866.715533][T16655]  br_add_if (net/bridge/br_if.c:592)
[  866.715537][T16655]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  866.715544][T16655]  do_set_master (net/core/rtnetlink.c:3071)
[  866.715548][T16655]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  866.715552][T16655]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  866.715555][T16655]  ? __dev_get_by_name (net/core/dev.c:905)
[  866.715558][T16655]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  866.715566][T16655]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  866.715572][T16655]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  866.715577][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715580][T16655]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  866.715583][T16655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  866.715585][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715589][T16655]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  866.715593][T16655]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  866.715597][T16655]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  866.715600][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715603][T16655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  866.715606][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715609][T16655]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  866.715612][T16655]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  866.715616][T16655]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  866.715619][T16655]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  866.715622][T16655]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  866.715629][T16655]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  866.715633][T16655]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  866.715636][T16655]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  866.715638][T16655]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  866.715641][T16655]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  866.715646][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715649][T16655]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  866.715653][T16655]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  866.715657][T16655]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  866.715661][T16655]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  866.715665][T16655]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  866.715669][T16655]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  866.715673][T16655]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  866.715676][T16655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  866.715679][T16655]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  866.715684][T16655]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  866.715689][T16655]  ____sys_sendmsg (net/socket.c:2713)
[  866.715691][T16655]  ? copy_msghdr_from_user (net/socket.c:2650)
[  866.715695][T16655]  ? sock_write_iter (net/socket.c:1269)
[  866.715697][T16655]  ? move_addr_to_kernel (net/socket.c:258)
[  866.715701][T16655]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  866.715704][T16655]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  866.715707][T16655]  ___sys_sendmsg (net/socket.c:2767)
[  866.715710][T16655]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  866.715713][T16655]  ? copy_msghdr_from_user (net/socket.c:2619)
[  866.715715][T16655]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  866.715723][T16655]  __sys_sendmsg (net/socket.c:2799)
[  866.715726][T16655]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  866.715731][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715733][T16655]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  866.715736][T16655]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  866.715739][T16655]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  866.715742][T16655]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  866.715746][T16655] RIP: 0033:0x7fb536efe54e
[  866.715748][T16655] 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
[  866.715751][T16655] RSP: 002b:00007ffe00b9c3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  866.715754][T16655] RAX: ffffffffffffffda RBX: 00007ffe00b9cbb8 RCX: 00007fb536efe54e
[  866.715756][T16655] RDX: 0000000000000000 RSI: 00007ffe00b9c4a0 RDI: 0000000000000005
[  866.715757][T16655] RBP: 00007ffe00b9c400 R08: 0000000000000000 R09: 0000000000000000
[  866.715758][T16655] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91535c
[  866.715760][T16655] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe00b9cb70
| [  873.422377][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  873.422380][   T12] Preemption disabled at:
| [  873.422381][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  873.422394][   T12] Tainted: [W]=WARN
[  873.422396][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  873.422398][   T12] Workqueue: netns cleanup_net
[  873.422409][   T12] Call Trace:
[  873.422412][   T12]  <TASK>
[  873.422415][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  873.422422][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  873.422425][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  873.422430][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  873.422434][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  873.422439][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  873.422443][   T12]  __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))
[  873.422447][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  873.422453][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  873.422462][   T12]  ? 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)
[  873.422466][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  873.422469][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  873.422471][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  873.422474][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  873.422477][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  873.422483][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  873.422485][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  873.422488][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  873.422490][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  873.422492][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  873.422494][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  873.422498][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  873.422500][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  873.422502][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  873.422503][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  873.422505][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  873.422507][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  873.422510][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  873.422513][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  873.422516][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  873.422519][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  873.422521][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  873.422523][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  873.422524][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  873.422526][   T12]  ? 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)
[  873.422527][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  873.422529][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  873.422531][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  873.422533][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  873.422535][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  873.422536][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  873.422538][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  873.422541][   T12]  ? kthread (kernel/kthread.c:436)
[  873.422543][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  873.422546][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  873.422548][   T12]  _printk (kernel/printk/printk.c:2504)
[  873.422551][   T12]  ? snapshot_read.cold (user.c:?)
[  873.422554][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  873.422557][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  873.422559][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  873.422562][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  873.422564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  873.422566][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  873.422567][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  873.422570][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  873.422572][   T12]  ? 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)
[  873.422573][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  873.422576][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  873.422579][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  873.422583][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  873.422585][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  873.422588][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  873.422591][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  873.422593][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  873.422596][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  873.422598][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  873.422600][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  873.422602][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  873.422604][   T12]  process_one_work (kernel/workqueue.c:3387)
[  873.422607][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  873.422610][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  873.422613][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  873.422617][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  873.422619][   T12]  kthread (kernel/kthread.c:436)
[  873.422620][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  873.422622][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  873.422625][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  873.422626][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  873.422629][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  873.422632][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  873.422634][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  874.936874][T16808] softirqs last disabled at (0): 0x0
| [  874.936876][T16808] Preemption disabled at:
| [  874.936877][T16808] vprintk_emit (kernel/printk/printk.c:2471)
| [  874.936887][T16808] Tainted: [W]=WARN
[  874.936888][T16808] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  874.936890][T16808] Call Trace:
[  874.936892][T16808]  <TASK>
[  874.936893][T16808]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  874.936899][T16808]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  874.936901][T16808]  __might_resched.cold (kernel/sched/core.c:9234)
[  874.936904][T16808]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  874.936907][T16808]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  874.936910][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.936913][T16808]  __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))
[  874.936916][T16808]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  874.936919][T16808]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  874.936925][T16808]  ? 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)
[  874.936927][T16808]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  874.936929][T16808]  put_chars (drivers/char/virtio_console.c:1176)
[  874.936931][T16808]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  874.936933][T16808]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  874.936936][T16808]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  874.936941][T16808]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  874.936943][T16808]  ? vsnprintf (lib/vsprintf.c:2900)
[  874.936946][T16808]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  874.936948][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.936949][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.936951][T16808]  console_emit_next_record (kernel/printk/printk.c:3183)
[  874.936954][T16808]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  874.936956][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.936957][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.936958][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.936959][T16808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  874.936962][T16808]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  874.936964][T16808]  console_flush_one_record (kernel/printk/printk.c:3268)
[  874.936966][T16808]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  874.936969][T16808]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  874.936971][T16808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  874.936973][T16808]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  874.936975][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.936976][T16808]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  874.936978][T16808]  ? 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)
[  874.936979][T16808]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  874.936981][T16808]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  874.936983][T16808]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  874.936984][T16808]  vprintk_emit (kernel/printk/printk.c:2479)
[  874.936986][T16808]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  874.936988][T16808]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  874.936989][T16808]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  874.936992][T16808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  874.936994][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.936996][T16808]  _printk (kernel/printk/printk.c:2504)
[  874.936999][T16808]  ? snapshot_read.cold (user.c:?)
[  874.937001][T16808]  ? br_multicast_flood (??:?)
[  874.937005][T16808]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  874.937007][T16808]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  874.937009][T16808]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  874.937011][T16808]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  874.937014][T16808]  br_init_port (net/bridge/br_stp_if.c:39)
[  874.937015][T16808]  new_nbp (net/bridge/br_if.c:449)
[  874.937018][T16808]  br_add_if (net/bridge/br_if.c:592)
[  874.937020][T16808]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  874.937024][T16808]  do_set_master (net/core/rtnetlink.c:3071)
[  874.937026][T16808]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  874.937028][T16808]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  874.937029][T16808]  ? __dev_get_by_name (net/core/dev.c:905)
[  874.937031][T16808]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  874.937035][T16808]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  874.937038][T16808]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  874.937040][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.937042][T16808]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  874.937043][T16808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  874.937045][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.937052][T16808]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  874.937055][T16808]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  874.937057][T16808]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  874.937060][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.937061][T16808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  874.937063][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.937064][T16808]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  874.937065][T16808]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  874.937067][T16808]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  874.937069][T16808]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  874.937070][T16808]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  874.937074][T16808]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  874.937077][T16808]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  874.937079][T16808]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  874.937081][T16808]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  874.937082][T16808]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  874.937085][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.937087][T16808]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  874.937089][T16808]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  874.937091][T16808]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  874.937093][T16808]  ? next_uptodate_folio (mm/filemap.c:3747)
[  874.937096][T16808]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  874.937099][T16808]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  874.937101][T16808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  874.937103][T16808]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  874.937106][T16808]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  874.937109][T16808]  ____sys_sendmsg (net/socket.c:2713)
[  874.937111][T16808]  ? copy_msghdr_from_user (net/socket.c:2650)
[  874.937113][T16808]  ? sock_write_iter (net/socket.c:1269)
[  874.937115][T16808]  ? move_addr_to_kernel (net/socket.c:258)
[  874.937117][T16808]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  874.937120][T16808]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  874.937122][T16808]  ___sys_sendmsg (net/socket.c:2767)
[  874.937123][T16808]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  874.937125][T16808]  ? copy_msghdr_from_user (net/socket.c:2619)
[  874.937127][T16808]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  874.937132][T16808]  __sys_sendmsg (net/socket.c:2799)
[  874.937134][T16808]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  874.937137][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.937138][T16808]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  874.937140][T16808]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  874.937143][T16808]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  874.937145][T16808]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  874.937147][T16808] RIP: 0033:0x7fe24129f54e
[  874.937149][T16808] 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
[  874.937152][T16808] RSP: 002b:00007ffc4d672f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  874.937155][T16808] RAX: ffffffffffffffda RBX: 00007ffc4d6736c8 RCX: 00007fe24129f54e
[  874.937157][T16808] RDX: 0000000000000000 RSI: 00007ffc4d672fb0 RDI: 0000000000000005
[  874.937158][T16808] RBP: 00007ffc4d672f10 R08: 0000000000000000 R09: 0000000000000000
[  874.937159][T16808] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915364
[  874.937160][T16808] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4d673680
| [  876.489090][T16877] softirqs last disabled at (0): 0x0
| [  876.489093][T16877] Preemption disabled at:
| [  876.489094][T16877] vprintk_emit (kernel/printk/printk.c:2471)
| [  876.489107][T16877] Tainted: [W]=WARN
[  876.489108][T16877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  876.489111][T16877] Call Trace:
[  876.489113][T16877]  <TASK>
[  876.489115][T16877]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  876.489121][T16877]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  876.489124][T16877]  __might_resched.cold (kernel/sched/core.c:9234)
[  876.489129][T16877]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  876.489133][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489137][T16877]  __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))
[  876.489141][T16877]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  876.489145][T16877]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  876.489151][T16877]  ? 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)
[  876.489154][T16877]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  876.489158][T16877]  put_chars (drivers/char/virtio_console.c:1176)
[  876.489160][T16877]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  876.489162][T16877]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  876.489166][T16877]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  876.489169][T16877]  ? pointer (lib/vsprintf.c:2577)
[  876.489174][T16877]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  876.489180][T16877]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  876.489182][T16877]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  876.489185][T16877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  876.489189][T16877]  console_emit_next_record (kernel/printk/printk.c:3183)
[  876.489193][T16877]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  876.489196][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489198][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489200][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489202][T16877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  876.489205][T16877]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  876.489207][T16877]  console_flush_one_record (kernel/printk/printk.c:3268)
[  876.489211][T16877]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  876.489215][T16877]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  876.489218][T16877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  876.489221][T16877]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  876.489223][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489225][T16877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  876.489228][T16877]  ? 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)
[  876.489230][T16877]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  876.489232][T16877]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  876.489235][T16877]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  876.489238][T16877]  vprintk_emit (kernel/printk/printk.c:2479)
[  876.489241][T16877]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  876.489243][T16877]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  876.489246][T16877]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  876.489250][T16877]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  876.489254][T16877]  _printk (kernel/printk/printk.c:2504)
[  876.489258][T16877]  ? snapshot_read.cold (user.c:?)
[  876.489261][T16877]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  876.489265][T16877]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  876.489269][T16877]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  876.489271][T16877]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  876.489276][T16877]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  876.489279][T16877]  ? netdev_notice (net/core/dev.c:13194)
[  876.489282][T16877]  ? 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)
[  876.489285][T16877]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  876.489288][T16877]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  876.489291][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489293][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489295][T16877]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  876.489297][T16877]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  876.489299][T16877]  ? 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)
[  876.489302][T16877]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  876.489304][T16877]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  876.489307][T16877]  ? register_netdev (net/core/dev.c:11618)
[  876.489309][T16877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  876.489312][T16877]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  876.489316][T16877]  ? __kernel_text_address (kernel/extable.c:79)
[  876.489320][T16877]  ? write_profile (profile.c:?)
[  876.489323][T16877]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  876.489328][T16877]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  876.489331][T16877]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  876.489334][T16877]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  876.489336][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489338][T16877]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  876.489343][T16877]  ? kasan_save_stack (mm/kasan/common.c:58)
[  876.489345][T16877]  ? kasan_save_stack (mm/kasan/common.c:57)
[  876.489347][T16877]  ? kasan_save_track (mm/kasan/common.c:78)
[  876.489349][T16877]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  876.489351][T16877]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  876.489353][T16877]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  876.489355][T16877]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  876.489357][T16877]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  876.489361][T16877]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  876.489363][T16877]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  876.489366][T16877]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  876.489369][T16877]  ? ____sys_sendmsg (net/socket.c:2713)
[  876.489371][T16877]  ? ___sys_sendmsg (net/socket.c:2767)
[  876.489373][T16877]  ? __sys_sendmsg (net/socket.c:2799)
[  876.489376][T16877]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  876.489379][T16877]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  876.489383][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489385][T16877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  876.489387][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489389][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489391][T16877]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  876.489394][T16877]  ? __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)
[  876.489396][T16877]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  876.489402][T16877]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  876.489405][T16877]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  876.489407][T16877]  ? nla_get_range_signed (lib/nlattr.c:270)
[  876.489412][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489414][T16877]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  876.489418][T16877]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  876.489421][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489424][T16877]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  876.489426][T16877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  876.489428][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489431][T16877]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  876.489434][T16877]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  876.489436][T16877]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  876.489439][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489441][T16877]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  876.489445][T16877]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  876.489449][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489451][T16877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  876.489455][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489458][T16877]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  876.489462][T16877]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  876.489464][T16877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  876.489467][T16877]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  876.489469][T16877]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  876.489473][T16877]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  876.489476][T16877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  876.489478][T16877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  876.489481][T16877]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  876.489483][T16877]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  876.489488][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489490][T16877]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  876.489493][T16877]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  876.489497][T16877]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  876.489500][T16877]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  876.489503][T16877]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  876.489506][T16877]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  876.489509][T16877]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  876.489512][T16877]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  876.489514][T16877]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  876.489519][T16877]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  876.489521][T16877]  ____sys_sendmsg (net/socket.c:2713)
[  876.489524][T16877]  ? copy_msghdr_from_user (net/socket.c:2650)
[  876.489527][T16877]  ? sock_write_iter (net/socket.c:1269)
[  876.489529][T16877]  ? move_addr_to_kernel (net/socket.c:258)
[  876.489532][T16877]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  876.489536][T16877]  ___sys_sendmsg (net/socket.c:2767)
[  876.489539][T16877]  ? copy_msghdr_from_user (net/socket.c:2619)
[  876.489548][T16877]  __sys_sendmsg (net/socket.c:2799)
[  876.489551][T16877]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  876.489555][T16877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  876.489558][T16877]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  876.489560][T16877]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  876.489563][T16877]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  876.489566][T16877] RIP: 0033:0x7f3ed420c54e
[  876.489568][T16877] 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
[  876.489571][T16877] RSP: 002b:00007ffd6e238680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  876.489576][T16877] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3ed420c54e
[  876.489578][T16877] RDX: 0000000000000000 RSI: 00007ffd6e238730 RDI: 0000000000000005
[  876.489579][T16877] RBP: 00007ffd6e238690 R08: 0000000000000000 R09: 0000000000000000
[  876.489581][T16877] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915365
[  876.489582][T16877] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6e238df0
| [  877.870309][T16934] softirqs last disabled at (0): 0x0
| [  877.870311][T16934] Preemption disabled at:
| [  877.870312][T16934] vprintk_emit (kernel/printk/printk.c:2471)
| [  877.870323][T16934] Tainted: [W]=WARN
[  877.870324][T16934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  877.870326][T16934] Call Trace:
[  877.870328][T16934]  <TASK>
[  877.870329][T16934]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  877.870336][T16934]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  877.870337][T16934]  __might_resched.cold (kernel/sched/core.c:9234)
[  877.870341][T16934]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  877.870343][T16934]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  877.870347][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870350][T16934]  __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))
[  877.870352][T16934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  877.870355][T16934]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  877.870361][T16934]  ? 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)
[  877.870363][T16934]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  877.870365][T16934]  put_chars (drivers/char/virtio_console.c:1176)
[  877.870367][T16934]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  877.870369][T16934]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  877.870372][T16934]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  877.870377][T16934]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  877.870379][T16934]  ? vsnprintf (lib/vsprintf.c:2900)
[  877.870382][T16934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  877.870384][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870385][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870387][T16934]  console_emit_next_record (kernel/printk/printk.c:3183)
[  877.870390][T16934]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  877.870392][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870393][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870394][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870396][T16934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  877.870398][T16934]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  877.870402][T16934]  console_flush_one_record (kernel/printk/printk.c:3268)
[  877.870405][T16934]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  877.870408][T16934]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  877.870410][T16934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  877.870412][T16934]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  877.870414][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870415][T16934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  877.870417][T16934]  ? 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)
[  877.870418][T16934]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  877.870420][T16934]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  877.870422][T16934]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  877.870423][T16934]  vprintk_emit (kernel/printk/printk.c:2479)
[  877.870425][T16934]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  877.870426][T16934]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  877.870428][T16934]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  877.870431][T16934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  877.870433][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870434][T16934]  _printk (kernel/printk/printk.c:2504)
[  877.870437][T16934]  ? snapshot_read.cold (user.c:?)
[  877.870439][T16934]  ? br_multicast_flood (??:?)
[  877.870443][T16934]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  877.870446][T16934]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  877.870447][T16934]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  877.870449][T16934]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  877.870452][T16934]  br_init_port (net/bridge/br_stp_if.c:39)
[  877.870455][T16934]  new_nbp (net/bridge/br_if.c:449)
[  877.870458][T16934]  br_add_if (net/bridge/br_if.c:592)
[  877.870460][T16934]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  877.870464][T16934]  do_set_master (net/core/rtnetlink.c:3071)
[  877.870466][T16934]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  877.870468][T16934]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  877.870470][T16934]  ? __dev_get_by_name (net/core/dev.c:905)
[  877.870472][T16934]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  877.870476][T16934]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  877.870478][T16934]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  877.870481][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870482][T16934]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  877.870484][T16934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  877.870485][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870487][T16934]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  877.870490][T16934]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  877.870492][T16934]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  877.870494][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870495][T16934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  877.870497][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870498][T16934]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  877.870500][T16934]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  877.870502][T16934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  877.870503][T16934]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  877.870505][T16934]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  877.870509][T16934]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  877.870512][T16934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  877.870513][T16934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  877.870515][T16934]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  877.870517][T16934]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  877.870520][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870522][T16934]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  877.870524][T16934]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  877.870526][T16934]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  877.870528][T16934]  ? next_uptodate_folio (mm/filemap.c:3747)
[  877.870531][T16934]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  877.870533][T16934]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  877.870536][T16934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  877.870537][T16934]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  877.870541][T16934]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  877.870544][T16934]  ____sys_sendmsg (net/socket.c:2713)
[  877.870546][T16934]  ? copy_msghdr_from_user (net/socket.c:2650)
[  877.870548][T16934]  ? sock_write_iter (net/socket.c:1269)
[  877.870549][T16934]  ? move_addr_to_kernel (net/socket.c:258)
[  877.870552][T16934]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  877.870555][T16934]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  877.870557][T16934]  ___sys_sendmsg (net/socket.c:2767)
[  877.870558][T16934]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  877.870560][T16934]  ? copy_msghdr_from_user (net/socket.c:2619)
[  877.870562][T16934]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  877.870567][T16934]  __sys_sendmsg (net/socket.c:2799)
[  877.870569][T16934]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  877.870572][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870573][T16934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  877.870575][T16934]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  877.870578][T16934]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  877.870580][T16934]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  877.870582][T16934] RIP: 0033:0x7f581f44654e
[  877.870584][T16934] 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
[  877.870586][T16934] RSP: 002b:00007ffd93079140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  877.870590][T16934] RAX: ffffffffffffffda RBX: 00007ffd93079908 RCX: 00007f581f44654e
[  877.870592][T16934] RDX: 0000000000000000 RSI: 00007ffd930791f0 RDI: 0000000000000005
[  877.870593][T16934] RBP: 00007ffd93079150 R08: 0000000000000000 R09: 0000000000000000
[  877.870594][T16934] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915367
[  877.870595][T16934] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd930798c0
| [  884.574497][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  884.574500][   T12] Preemption disabled at:
| [  884.574500][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  884.574511][   T12] Tainted: [W]=WARN
[  884.574512][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  884.574514][   T12] Workqueue: netns cleanup_net
[  884.574520][   T12] Call Trace:
[  884.574521][   T12]  <TASK>
[  884.574523][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  884.574529][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  884.574531][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  884.574535][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  884.574537][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  884.574541][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  884.574543][   T12]  __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))
[  884.574546][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  884.574550][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  884.574555][   T12]  ? 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)
[  884.574557][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  884.574560][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  884.574562][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  884.574563][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  884.574566][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  884.574571][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  884.574573][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  884.574576][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  884.574577][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  884.574579][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  884.574580][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  884.574583][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  884.574586][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  884.574587][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  884.574588][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  884.574589][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  884.574592][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  884.574594][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  884.574596][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  884.574599][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  884.574601][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  884.574603][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  884.574605][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  884.574606][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  884.574608][   T12]  ? 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)
[  884.574609][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  884.574611][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  884.574613][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  884.574615][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  884.574616][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  884.574618][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  884.574619][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  884.574622][   T12]  ? kthread (kernel/kthread.c:436)
[  884.574625][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  884.574628][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  884.574630][   T12]  _printk (kernel/printk/printk.c:2504)
[  884.574634][   T12]  ? snapshot_read.cold (user.c:?)
[  884.574636][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  884.574639][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  884.574642][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  884.574644][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  884.574647][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  884.574648][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  884.574649][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  884.574653][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  884.574654][   T12]  ? 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)
[  884.574656][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  884.574658][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  884.574661][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  884.574665][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  884.574667][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  884.574670][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  884.574672][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  884.574674][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  884.574677][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  884.574679][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  884.574681][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  884.574683][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  884.574684][   T12]  process_one_work (kernel/workqueue.c:3387)
[  884.574688][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  884.574690][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  884.574693][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  884.574696][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  884.574698][   T12]  kthread (kernel/kthread.c:436)
[  884.574700][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  884.574702][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  884.574704][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  884.574706][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  884.574708][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  884.574711][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  884.574713][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  886.107139][T17087] softirqs last disabled at (0): 0x0
| [  886.107141][T17087] Preemption disabled at:
| [  886.107142][T17087] vprintk_emit (kernel/printk/printk.c:2471)
| [  886.107154][T17087] Tainted: [W]=WARN
[  886.107155][T17087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  886.107157][T17087] Call Trace:
[  886.107158][T17087]  <TASK>
[  886.107160][T17087]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  886.107166][T17087]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  886.107168][T17087]  __might_resched.cold (kernel/sched/core.c:9234)
[  886.107171][T17087]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  886.107174][T17087]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  886.107177][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107180][T17087]  __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))
[  886.107183][T17087]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  886.107186][T17087]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  886.107191][T17087]  ? 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)
[  886.107193][T17087]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  886.107196][T17087]  put_chars (drivers/char/virtio_console.c:1176)
[  886.107197][T17087]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  886.107199][T17087]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  886.107202][T17087]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  886.107207][T17087]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  886.107209][T17087]  ? vsnprintf (lib/vsprintf.c:2900)
[  886.107213][T17087]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  886.107214][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107216][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107218][T17087]  console_emit_next_record (kernel/printk/printk.c:3183)
[  886.107221][T17087]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  886.107223][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107224][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107225][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107227][T17087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  886.107229][T17087]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  886.107231][T17087]  console_flush_one_record (kernel/printk/printk.c:3268)
[  886.107234][T17087]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  886.107237][T17087]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  886.107239][T17087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  886.107240][T17087]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  886.107242][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107244][T17087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  886.107245][T17087]  ? 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)
[  886.107247][T17087]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  886.107248][T17087]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  886.107251][T17087]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  886.107252][T17087]  vprintk_emit (kernel/printk/printk.c:2479)
[  886.107254][T17087]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  886.107255][T17087]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  886.107257][T17087]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  886.107260][T17087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  886.107262][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107264][T17087]  _printk (kernel/printk/printk.c:2504)
[  886.107267][T17087]  ? snapshot_read.cold (user.c:?)
[  886.107269][T17087]  ? br_multicast_flood (??:?)
[  886.107272][T17087]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  886.107275][T17087]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  886.107276][T17087]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  886.107278][T17087]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  886.107281][T17087]  br_init_port (net/bridge/br_stp_if.c:39)
[  886.107283][T17087]  new_nbp (net/bridge/br_if.c:449)
[  886.107285][T17087]  br_add_if (net/bridge/br_if.c:592)
[  886.107287][T17087]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  886.107292][T17087]  do_set_master (net/core/rtnetlink.c:3071)
[  886.107294][T17087]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  886.107295][T17087]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  886.107297][T17087]  ? __dev_get_by_name (net/core/dev.c:905)
[  886.107299][T17087]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  886.107303][T17087]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  886.107306][T17087]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  886.107308][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107309][T17087]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  886.107311][T17087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  886.107312][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107314][T17087]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  886.107317][T17087]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  886.107319][T17087]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  886.107321][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107322][T17087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  886.107324][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107325][T17087]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  886.107327][T17087]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  886.107329][T17087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  886.107330][T17087]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  886.107332][T17087]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  886.107336][T17087]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  886.107339][T17087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  886.107340][T17087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  886.107342][T17087]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  886.107344][T17087]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  886.107347][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107348][T17087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  886.107351][T17087]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  886.107353][T17087]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  886.107355][T17087]  ? next_uptodate_folio (mm/filemap.c:3747)
[  886.107358][T17087]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  886.107361][T17087]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  886.107363][T17087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  886.107365][T17087]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  886.107368][T17087]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  886.107372][T17087]  ____sys_sendmsg (net/socket.c:2713)
[  886.107373][T17087]  ? copy_msghdr_from_user (net/socket.c:2650)
[  886.107375][T17087]  ? sock_write_iter (net/socket.c:1269)
[  886.107377][T17087]  ? move_addr_to_kernel (net/socket.c:258)
[  886.107379][T17087]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  886.107382][T17087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  886.107384][T17087]  ___sys_sendmsg (net/socket.c:2767)
[  886.107386][T17087]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  886.107388][T17087]  ? copy_msghdr_from_user (net/socket.c:2619)
[  886.107390][T17087]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  886.107395][T17087]  __sys_sendmsg (net/socket.c:2799)
[  886.107397][T17087]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  886.107402][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107403][T17087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  886.107405][T17087]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  886.107408][T17087]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  886.107410][T17087]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  886.107412][T17087] RIP: 0033:0x7f6b8b32554e
[  886.107415][T17087] 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
[  886.107417][T17087] RSP: 002b:00007ffc95f924f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  886.107421][T17087] RAX: ffffffffffffffda RBX: 00007ffc95f92cb8 RCX: 00007f6b8b32554e
[  886.107422][T17087] RDX: 0000000000000000 RSI: 00007ffc95f925a0 RDI: 0000000000000005
[  886.107423][T17087] RBP: 00007ffc95f92500 R08: 0000000000000000 R09: 0000000000000000
[  886.107424][T17087] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91536f
[  886.107425][T17087] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc95f92c70
| [  887.697715][T17156] softirqs last disabled at (0): 0x0
| [  887.697717][T17156] Preemption disabled at:
| [  887.697718][T17156] vprintk_emit (kernel/printk/printk.c:2471)
| [  887.697728][T17156] Tainted: [W]=WARN
[  887.697729][T17156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  887.697732][T17156] Call Trace:
[  887.697733][T17156]  <TASK>
[  887.697735][T17156]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  887.697740][T17156]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  887.697742][T17156]  __might_resched.cold (kernel/sched/core.c:9234)
[  887.697746][T17156]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  887.697749][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697752][T17156]  __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))
[  887.697755][T17156]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  887.697759][T17156]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  887.697764][T17156]  ? 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)
[  887.697766][T17156]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  887.697769][T17156]  put_chars (drivers/char/virtio_console.c:1176)
[  887.697770][T17156]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  887.697772][T17156]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  887.697774][T17156]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  887.697776][T17156]  ? pointer (lib/vsprintf.c:2577)
[  887.697780][T17156]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  887.697785][T17156]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  887.697787][T17156]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  887.697789][T17156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  887.697792][T17156]  console_emit_next_record (kernel/printk/printk.c:3183)
[  887.697795][T17156]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  887.697797][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697798][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697799][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697801][T17156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  887.697803][T17156]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  887.697805][T17156]  console_flush_one_record (kernel/printk/printk.c:3268)
[  887.697807][T17156]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  887.697810][T17156]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  887.697812][T17156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  887.697814][T17156]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  887.697816][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697817][T17156]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  887.697819][T17156]  ? 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)
[  887.697821][T17156]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  887.697822][T17156]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  887.697825][T17156]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  887.697826][T17156]  vprintk_emit (kernel/printk/printk.c:2479)
[  887.697828][T17156]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  887.697829][T17156]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  887.697832][T17156]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  887.697835][T17156]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  887.697838][T17156]  _printk (kernel/printk/printk.c:2504)
[  887.697841][T17156]  ? snapshot_read.cold (user.c:?)
[  887.697843][T17156]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  887.697845][T17156]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  887.697849][T17156]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  887.697851][T17156]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  887.697854][T17156]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  887.697857][T17156]  ? netdev_notice (net/core/dev.c:13194)
[  887.697859][T17156]  ? 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)
[  887.697861][T17156]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  887.697864][T17156]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  887.697866][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697867][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697868][T17156]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  887.697869][T17156]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  887.697871][T17156]  ? 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)
[  887.697872][T17156]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  887.697874][T17156]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  887.697876][T17156]  ? register_netdev (net/core/dev.c:11618)
[  887.697877][T17156]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  887.697879][T17156]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  887.697882][T17156]  ? __kernel_text_address (kernel/extable.c:79)
[  887.697885][T17156]  ? write_profile (profile.c:?)
[  887.697888][T17156]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  887.697892][T17156]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  887.697894][T17156]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  887.697895][T17156]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  887.697897][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697898][T17156]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  887.697901][T17156]  ? kasan_save_stack (mm/kasan/common.c:58)
[  887.697903][T17156]  ? kasan_save_stack (mm/kasan/common.c:57)
[  887.697905][T17156]  ? kasan_save_track (mm/kasan/common.c:78)
[  887.697906][T17156]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  887.697907][T17156]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  887.697908][T17156]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  887.697909][T17156]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  887.697911][T17156]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  887.697914][T17156]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  887.697916][T17156]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  887.697918][T17156]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  887.697920][T17156]  ? ____sys_sendmsg (net/socket.c:2713)
[  887.697922][T17156]  ? ___sys_sendmsg (net/socket.c:2767)
[  887.697923][T17156]  ? __sys_sendmsg (net/socket.c:2799)
[  887.697925][T17156]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  887.697928][T17156]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  887.697931][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697932][T17156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  887.697934][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697935][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697936][T17156]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  887.697938][T17156]  ? __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)
[  887.697939][T17156]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  887.697940][T17156]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  887.697942][T17156]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  887.697943][T17156]  ? nla_get_range_signed (lib/nlattr.c:270)
[  887.697946][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697948][T17156]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  887.697950][T17156]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  887.697953][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697954][T17156]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  887.697955][T17156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  887.697957][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697959][T17156]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  887.697961][T17156]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  887.697962][T17156]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  887.697964][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697965][T17156]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  887.697969][T17156]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  887.697971][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697972][T17156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  887.697974][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697975][T17156]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  887.697977][T17156]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  887.697978][T17156]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  887.697980][T17156]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  887.697982][T17156]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  887.697984][T17156]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  887.697986][T17156]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  887.697987][T17156]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  887.697989][T17156]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  887.697991][T17156]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  887.697994][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.697996][T17156]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  887.697998][T17156]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  887.698000][T17156]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  887.698002][T17156]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  887.698004][T17156]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  887.698006][T17156]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  887.698008][T17156]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  887.698010][T17156]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  887.698012][T17156]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  887.698015][T17156]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  887.698017][T17156]  ____sys_sendmsg (net/socket.c:2713)
[  887.698019][T17156]  ? copy_msghdr_from_user (net/socket.c:2650)
[  887.698021][T17156]  ? sock_write_iter (net/socket.c:1269)
[  887.698022][T17156]  ? move_addr_to_kernel (net/socket.c:258)
[  887.698024][T17156]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  887.698027][T17156]  ___sys_sendmsg (net/socket.c:2767)
[  887.698029][T17156]  ? copy_msghdr_from_user (net/socket.c:2619)
[  887.698034][T17156]  __sys_sendmsg (net/socket.c:2799)
[  887.698036][T17156]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  887.698039][T17156]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  887.698041][T17156]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  887.698043][T17156]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  887.698045][T17156]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  887.698046][T17156] RIP: 0033:0x7f6c0876754e
[  887.698049][T17156] 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
[  887.698050][T17156] RSP: 002b:00007ffe37a18f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  887.698054][T17156] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6c0876754e
[  887.698056][T17156] RDX: 0000000000000000 RSI: 00007ffe37a18fd0 RDI: 0000000000000005
[  887.698057][T17156] RBP: 00007ffe37a18f30 R08: 0000000000000000 R09: 0000000000000000
[  887.698058][T17156] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915371
[  887.698059][T17156] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe37a19690
| [  889.024343][T17213] softirqs last disabled at (0): 0x0
| [  889.024345][T17213] Preemption disabled at:
| [  889.024345][T17213] vprintk_emit (kernel/printk/printk.c:2471)
| [  889.024356][T17213] Tainted: [W]=WARN
[  889.024357][T17213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  889.024359][T17213] Call Trace:
[  889.024361][T17213]  <TASK>
[  889.024362][T17213]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  889.024368][T17213]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  889.024370][T17213]  __might_resched.cold (kernel/sched/core.c:9234)
[  889.024374][T17213]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  889.024376][T17213]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  889.024380][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024382][T17213]  __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))
[  889.024385][T17213]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  889.024389][T17213]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  889.024394][T17213]  ? 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)
[  889.024396][T17213]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  889.024399][T17213]  put_chars (drivers/char/virtio_console.c:1176)
[  889.024402][T17213]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  889.024404][T17213]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  889.024407][T17213]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  889.024412][T17213]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  889.024414][T17213]  ? vsnprintf (lib/vsprintf.c:2900)
[  889.024417][T17213]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  889.024419][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024420][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024422][T17213]  console_emit_next_record (kernel/printk/printk.c:3183)
[  889.024425][T17213]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  889.024427][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024429][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024430][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024431][T17213]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  889.024434][T17213]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  889.024435][T17213]  console_flush_one_record (kernel/printk/printk.c:3268)
[  889.024438][T17213]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  889.024441][T17213]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  889.024443][T17213]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  889.024445][T17213]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  889.024446][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024447][T17213]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  889.024450][T17213]  ? 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)
[  889.024452][T17213]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  889.024456][T17213]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  889.024459][T17213]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  889.024462][T17213]  vprintk_emit (kernel/printk/printk.c:2479)
[  889.024465][T17213]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  889.024467][T17213]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  889.024469][T17213]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  889.024472][T17213]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  889.024474][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024475][T17213]  _printk (kernel/printk/printk.c:2504)
[  889.024479][T17213]  ? snapshot_read.cold (user.c:?)
[  889.024481][T17213]  ? br_multicast_flood (??:?)
[  889.024484][T17213]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  889.024487][T17213]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  889.024488][T17213]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  889.024490][T17213]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  889.024493][T17213]  br_init_port (net/bridge/br_stp_if.c:39)
[  889.024495][T17213]  new_nbp (net/bridge/br_if.c:449)
[  889.024498][T17213]  br_add_if (net/bridge/br_if.c:592)
[  889.024500][T17213]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  889.024504][T17213]  do_set_master (net/core/rtnetlink.c:3071)
[  889.024506][T17213]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  889.024508][T17213]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  889.024509][T17213]  ? __dev_get_by_name (net/core/dev.c:905)
[  889.024511][T17213]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  889.024515][T17213]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  889.024518][T17213]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  889.024520][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024522][T17213]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  889.024523][T17213]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  889.024525][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024526][T17213]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  889.024529][T17213]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  889.024531][T17213]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  889.024533][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024535][T17213]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  889.024536][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024537][T17213]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  889.024539][T17213]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  889.024541][T17213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  889.024542][T17213]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  889.024544][T17213]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  889.024547][T17213]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  889.024550][T17213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  889.024552][T17213]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  889.024554][T17213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  889.024555][T17213]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  889.024558][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024560][T17213]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  889.024562][T17213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  889.024564][T17213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  889.024566][T17213]  ? next_uptodate_folio (mm/filemap.c:3747)
[  889.024569][T17213]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  889.024571][T17213]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  889.024574][T17213]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  889.024575][T17213]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  889.024579][T17213]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  889.024582][T17213]  ____sys_sendmsg (net/socket.c:2713)
[  889.024584][T17213]  ? copy_msghdr_from_user (net/socket.c:2650)
[  889.024586][T17213]  ? sock_write_iter (net/socket.c:1269)
[  889.024588][T17213]  ? move_addr_to_kernel (net/socket.c:258)
[  889.024590][T17213]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  889.024592][T17213]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  889.024595][T17213]  ___sys_sendmsg (net/socket.c:2767)
[  889.024596][T17213]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  889.024598][T17213]  ? copy_msghdr_from_user (net/socket.c:2619)
[  889.024600][T17213]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  889.024605][T17213]  __sys_sendmsg (net/socket.c:2799)
[  889.024607][T17213]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  889.024610][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024611][T17213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  889.024612][T17213]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  889.024615][T17213]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  889.024618][T17213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  889.024620][T17213] RIP: 0033:0x7fd6039d354e
[  889.024622][T17213] 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
[  889.024624][T17213] RSP: 002b:00007ffe78838160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  889.024628][T17213] RAX: ffffffffffffffda RBX: 00007ffe78838928 RCX: 00007fd6039d354e
[  889.024629][T17213] RDX: 0000000000000000 RSI: 00007ffe78838210 RDI: 0000000000000005
[  889.024630][T17213] RBP: 00007ffe78838170 R08: 0000000000000000 R09: 0000000000000000
[  889.024631][T17213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915372
[  889.024632][T17213] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe788388e0
| [  924.597321][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  924.597325][   T12] Preemption disabled at:
| [  924.597326][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  924.597340][   T12] Tainted: [W]=WARN
[  924.597342][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  924.597345][   T12] Workqueue: netns cleanup_net
[  924.597352][   T12] Call Trace:
[  924.597354][   T12]  <TASK>
[  924.597356][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  924.597363][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  924.597365][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  924.597370][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  924.597373][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  924.597378][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  924.597382][   T12]  __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))
[  924.597386][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  924.597390][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  924.597397][   T12]  ? 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)
[  924.597402][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  924.597407][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  924.597410][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  924.597413][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  924.597417][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  924.597424][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  924.597432][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  924.597436][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  924.597438][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  924.597441][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  924.597444][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  924.597449][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  924.597452][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  924.597455][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  924.597457][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  924.597459][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  924.597463][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  924.597466][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  924.597470][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  924.597475][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  924.597478][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  924.597481][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  924.597484][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  924.597486][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  924.597489][   T12]  ? 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)
[  924.597492][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  924.597494][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  924.597498][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  924.597500][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  924.597503][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  924.597506][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  924.597508][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  924.597513][   T12]  ? kthread (kernel/kthread.c:436)
[  924.597516][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  924.597520][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  924.597525][   T12]  _printk (kernel/printk/printk.c:2504)
[  924.597529][   T12]  ? snapshot_read.cold (user.c:?)
[  924.597533][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  924.597538][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  924.597542][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  924.597545][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  924.597549][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  924.597552][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  924.597554][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  924.597559][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  924.597561][   T12]  ? 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)
[  924.597564][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  924.597568][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  924.597572][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  924.597578][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  924.597582][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  924.597585][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  924.597589][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  924.597593][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  924.597597][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  924.597601][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  924.597604][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  924.597607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  924.597610][   T12]  process_one_work (kernel/workqueue.c:3387)
[  924.597615][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  924.597620][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  924.597625][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  924.597630][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  924.597633][   T12]  kthread (kernel/kthread.c:436)
[  924.597636][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  924.597638][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  924.597642][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  924.597645][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  924.597648][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  924.597652][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  924.597656][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  925.676982][T19162] softirqs last disabled at (0): 0x0
| [  925.676984][T19162] Preemption disabled at:
| [  925.676985][T19162] vprintk_emit (kernel/printk/printk.c:2471)
| [  925.676996][T19162] Tainted: [W]=WARN
[  925.676997][T19162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  925.676999][T19162] Call Trace:
[  925.677000][T19162]  <TASK>
[  925.677002][T19162]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  925.677008][T19162]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  925.677009][T19162]  __might_resched.cold (kernel/sched/core.c:9234)
[  925.677013][T19162]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  925.677017][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677020][T19162]  __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))
[  925.677023][T19162]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  925.677027][T19162]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  925.677032][T19162]  ? 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)
[  925.677034][T19162]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  925.677037][T19162]  put_chars (drivers/char/virtio_console.c:1176)
[  925.677039][T19162]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  925.677040][T19162]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  925.677043][T19162]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  925.677045][T19162]  ? pointer (lib/vsprintf.c:2577)
[  925.677049][T19162]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  925.677054][T19162]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  925.677056][T19162]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  925.677058][T19162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  925.677060][T19162]  console_emit_next_record (kernel/printk/printk.c:3183)
[  925.677063][T19162]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  925.677066][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677067][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677068][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677069][T19162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  925.677071][T19162]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  925.677073][T19162]  console_flush_one_record (kernel/printk/printk.c:3268)
[  925.677076][T19162]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  925.677079][T19162]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  925.677081][T19162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  925.677083][T19162]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  925.677084][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677086][T19162]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  925.677088][T19162]  ? 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)
[  925.677089][T19162]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  925.677091][T19162]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  925.677093][T19162]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  925.677095][T19162]  vprintk_emit (kernel/printk/printk.c:2479)
[  925.677097][T19162]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  925.677098][T19162]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  925.677100][T19162]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  925.677103][T19162]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  925.677106][T19162]  _printk (kernel/printk/printk.c:2504)
[  925.677110][T19162]  ? snapshot_read.cold (user.c:?)
[  925.677112][T19162]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  925.677114][T19162]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  925.677117][T19162]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  925.677119][T19162]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  925.677123][T19162]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  925.677126][T19162]  ? netdev_notice (net/core/dev.c:13194)
[  925.677128][T19162]  ? 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)
[  925.677130][T19162]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  925.677132][T19162]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  925.677134][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677135][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677137][T19162]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  925.677138][T19162]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  925.677140][T19162]  ? 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)
[  925.677141][T19162]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  925.677143][T19162]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  925.677145][T19162]  ? register_netdev (net/core/dev.c:11618)
[  925.677146][T19162]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  925.677148][T19162]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  925.677151][T19162]  ? __kernel_text_address (kernel/extable.c:79)
[  925.677154][T19162]  ? write_profile (profile.c:?)
[  925.677157][T19162]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  925.677160][T19162]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  925.677163][T19162]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  925.677164][T19162]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  925.677166][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677167][T19162]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  925.677171][T19162]  ? kasan_save_stack (mm/kasan/common.c:58)
[  925.677173][T19162]  ? kasan_save_stack (mm/kasan/common.c:57)
[  925.677174][T19162]  ? kasan_save_track (mm/kasan/common.c:78)
[  925.677175][T19162]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  925.677177][T19162]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  925.677178][T19162]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  925.677179][T19162]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  925.677181][T19162]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  925.677185][T19162]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  925.677187][T19162]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  925.677188][T19162]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  925.677191][T19162]  ? ____sys_sendmsg (net/socket.c:2713)
[  925.677192][T19162]  ? ___sys_sendmsg (net/socket.c:2767)
[  925.677194][T19162]  ? __sys_sendmsg (net/socket.c:2799)
[  925.677196][T19162]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  925.677198][T19162]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  925.677201][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677202][T19162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  925.677204][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677205][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677206][T19162]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  925.677208][T19162]  ? __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)
[  925.677209][T19162]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  925.677210][T19162]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  925.677212][T19162]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  925.677213][T19162]  ? nla_get_range_signed (lib/nlattr.c:270)
[  925.677217][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677218][T19162]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  925.677220][T19162]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  925.677222][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677224][T19162]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  925.677225][T19162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  925.677227][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677228][T19162]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  925.677231][T19162]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  925.677232][T19162]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  925.677234][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677235][T19162]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  925.677238][T19162]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  925.677241][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677242][T19162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  925.677243][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677245][T19162]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  925.677246][T19162]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  925.677248][T19162]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  925.677250][T19162]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  925.677251][T19162]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  925.677254][T19162]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  925.677256][T19162]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  925.677258][T19162]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  925.677260][T19162]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  925.677261][T19162]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  925.677265][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677266][T19162]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  925.677268][T19162]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  925.677271][T19162]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  925.677273][T19162]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  925.677275][T19162]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  925.677277][T19162]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  925.677279][T19162]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  925.677281][T19162]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  925.677283][T19162]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  925.677286][T19162]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  925.677288][T19162]  ____sys_sendmsg (net/socket.c:2713)
[  925.677290][T19162]  ? copy_msghdr_from_user (net/socket.c:2650)
[  925.677292][T19162]  ? sock_write_iter (net/socket.c:1269)
[  925.677293][T19162]  ? move_addr_to_kernel (net/socket.c:258)
[  925.677295][T19162]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  925.677298][T19162]  ___sys_sendmsg (net/socket.c:2767)
[  925.677299][T19162]  ? copy_msghdr_from_user (net/socket.c:2619)
[  925.677305][T19162]  __sys_sendmsg (net/socket.c:2799)
[  925.677307][T19162]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  925.677310][T19162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  925.677311][T19162]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  925.677313][T19162]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  925.677315][T19162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  925.677317][T19162] RIP: 0033:0x7f45fc2ac54e
[  925.677319][T19162] 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
[  925.677321][T19162] RSP: 002b:00007ffee78a1100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  925.677325][T19162] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f45fc2ac54e
[  925.677327][T19162] RDX: 0000000000000000 RSI: 00007ffee78a11b0 RDI: 0000000000000005
[  925.677328][T19162] RBP: 00007ffee78a1110 R08: 0000000000000000 R09: 0000000000000000
[  925.677329][T19162] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915396
[  925.677330][T19162] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee78a1870
| [  926.998527][T19236] softirqs last disabled at (0): 0x0
| [  926.998529][T19236] Preemption disabled at:
| [  926.998530][T19236] vprintk_emit (kernel/printk/printk.c:2471)
| [  926.998540][T19236] Tainted: [W]=WARN
[  926.998542][T19236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  926.998544][T19236] Call Trace:
[  926.998545][T19236]  <TASK>
[  926.998546][T19236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  926.998552][T19236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  926.998554][T19236]  __might_resched.cold (kernel/sched/core.c:9234)
[  926.998558][T19236]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  926.998560][T19236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  926.998563][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998566][T19236]  __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))
[  926.998569][T19236]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  926.998572][T19236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  926.998577][T19236]  ? 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)
[  926.998579][T19236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  926.998582][T19236]  put_chars (drivers/char/virtio_console.c:1176)
[  926.998584][T19236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  926.998585][T19236]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  926.998588][T19236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  926.998593][T19236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  926.998595][T19236]  ? vsnprintf (lib/vsprintf.c:2900)
[  926.998598][T19236]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  926.998600][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998601][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998603][T19236]  console_emit_next_record (kernel/printk/printk.c:3183)
[  926.998606][T19236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  926.998609][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998610][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998611][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998612][T19236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  926.998615][T19236]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  926.998616][T19236]  console_flush_one_record (kernel/printk/printk.c:3268)
[  926.998619][T19236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  926.998622][T19236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  926.998624][T19236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  926.998626][T19236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  926.998628][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998629][T19236]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  926.998630][T19236]  ? 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)
[  926.998632][T19236]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  926.998634][T19236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  926.998636][T19236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  926.998637][T19236]  vprintk_emit (kernel/printk/printk.c:2479)
[  926.998639][T19236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  926.998640][T19236]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  926.998642][T19236]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  926.998646][T19236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  926.998647][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998649][T19236]  _printk (kernel/printk/printk.c:2504)
[  926.998652][T19236]  ? snapshot_read.cold (user.c:?)
[  926.998654][T19236]  ? br_multicast_flood (??:?)
[  926.998658][T19236]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  926.998660][T19236]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  926.998662][T19236]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  926.998663][T19236]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  926.998666][T19236]  br_init_port (net/bridge/br_stp_if.c:39)
[  926.998668][T19236]  new_nbp (net/bridge/br_if.c:449)
[  926.998671][T19236]  br_add_if (net/bridge/br_if.c:592)
[  926.998673][T19236]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  926.998677][T19236]  do_set_master (net/core/rtnetlink.c:3071)
[  926.998679][T19236]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  926.998681][T19236]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  926.998682][T19236]  ? __dev_get_by_name (net/core/dev.c:905)
[  926.998684][T19236]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  926.998688][T19236]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  926.998691][T19236]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  926.998693][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998694][T19236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  926.998696][T19236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  926.998697][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998699][T19236]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  926.998702][T19236]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  926.998704][T19236]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  926.998706][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998707][T19236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  926.998709][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998710][T19236]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  926.998712][T19236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  926.998713][T19236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  926.998715][T19236]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  926.998716][T19236]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  926.998720][T19236]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  926.998723][T19236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  926.998725][T19236]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  926.998726][T19236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  926.998728][T19236]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  926.998731][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998733][T19236]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  926.998735][T19236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  926.998737][T19236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  926.998740][T19236]  ? next_uptodate_folio (mm/filemap.c:3747)
[  926.998743][T19236]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  926.998746][T19236]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  926.998750][T19236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  926.998753][T19236]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  926.998758][T19236]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  926.998761][T19236]  ____sys_sendmsg (net/socket.c:2713)
[  926.998763][T19236]  ? copy_msghdr_from_user (net/socket.c:2650)
[  926.998765][T19236]  ? sock_write_iter (net/socket.c:1269)
[  926.998767][T19236]  ? move_addr_to_kernel (net/socket.c:258)
[  926.998769][T19236]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  926.998772][T19236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  926.998774][T19236]  ___sys_sendmsg (net/socket.c:2767)
[  926.998776][T19236]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  926.998778][T19236]  ? copy_msghdr_from_user (net/socket.c:2619)
[  926.998779][T19236]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  926.998784][T19236]  __sys_sendmsg (net/socket.c:2799)
[  926.998787][T19236]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  926.998790][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998791][T19236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  926.998792][T19236]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  926.998795][T19236]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  926.998797][T19236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  926.998799][T19236] RIP: 0033:0x7f11512ed54e
[  926.998802][T19236] 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
[  926.998804][T19236] RSP: 002b:00007ffde1c89380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  926.998807][T19236] RAX: ffffffffffffffda RBX: 00007ffde1c89b48 RCX: 00007f11512ed54e
[  926.998809][T19236] RDX: 0000000000000000 RSI: 00007ffde1c89430 RDI: 0000000000000005
[  926.998810][T19236] RBP: 00007ffde1c89390 R08: 0000000000000000 R09: 0000000000000000
[  926.998811][T19236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915398
[  926.998812][T19236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffde1c89b00
| [  928.503277][T19302] softirqs last disabled at (0): 0x0
| [  928.503279][T19302] Preemption disabled at:
| [  928.503280][T19302] vprintk_emit (kernel/printk/printk.c:2471)
| [  928.503291][T19302] Tainted: [W]=WARN
[  928.503292][T19302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  928.503294][T19302] Call Trace:
[  928.503295][T19302]  <TASK>
[  928.503297][T19302]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  928.503302][T19302]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  928.503304][T19302]  __might_resched.cold (kernel/sched/core.c:9234)
[  928.503308][T19302]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  928.503311][T19302]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  928.503314][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503317][T19302]  __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))
[  928.503320][T19302]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  928.503323][T19302]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  928.503329][T19302]  ? 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)
[  928.503331][T19302]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  928.503334][T19302]  put_chars (drivers/char/virtio_console.c:1176)
[  928.503336][T19302]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  928.503337][T19302]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  928.503340][T19302]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  928.503345][T19302]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  928.503347][T19302]  ? vsnprintf (lib/vsprintf.c:2900)
[  928.503351][T19302]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  928.503353][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503354][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503356][T19302]  console_emit_next_record (kernel/printk/printk.c:3183)
[  928.503359][T19302]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  928.503361][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503362][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503363][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503365][T19302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  928.503367][T19302]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  928.503369][T19302]  console_flush_one_record (kernel/printk/printk.c:3268)
[  928.503372][T19302]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  928.503375][T19302]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  928.503377][T19302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  928.503379][T19302]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  928.503381][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503382][T19302]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  928.503383][T19302]  ? 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)
[  928.503385][T19302]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  928.503387][T19302]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  928.503389][T19302]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  928.503390][T19302]  vprintk_emit (kernel/printk/printk.c:2479)
[  928.503392][T19302]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  928.503394][T19302]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  928.503395][T19302]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  928.503402][T19302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  928.503404][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503406][T19302]  _printk (kernel/printk/printk.c:2504)
[  928.503409][T19302]  ? snapshot_read.cold (user.c:?)
[  928.503412][T19302]  ? br_multicast_flood (??:?)
[  928.503415][T19302]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  928.503418][T19302]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  928.503420][T19302]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  928.503422][T19302]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  928.503425][T19302]  br_init_port (net/bridge/br_stp_if.c:39)
[  928.503427][T19302]  new_nbp (net/bridge/br_if.c:449)
[  928.503429][T19302]  br_add_if (net/bridge/br_if.c:592)
[  928.503431][T19302]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  928.503436][T19302]  do_set_master (net/core/rtnetlink.c:3071)
[  928.503437][T19302]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  928.503439][T19302]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  928.503441][T19302]  ? __dev_get_by_name (net/core/dev.c:905)
[  928.503443][T19302]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  928.503447][T19302]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  928.503449][T19302]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  928.503452][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503453][T19302]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  928.503455][T19302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  928.503456][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503465][T19302]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  928.503467][T19302]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  928.503470][T19302]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  928.503472][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503473][T19302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  928.503475][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503476][T19302]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  928.503478][T19302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  928.503480][T19302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  928.503481][T19302]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  928.503483][T19302]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  928.503487][T19302]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  928.503490][T19302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  928.503491][T19302]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  928.503493][T19302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  928.503495][T19302]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  928.503498][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503500][T19302]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  928.503502][T19302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  928.503504][T19302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  928.503506][T19302]  ? next_uptodate_folio (mm/filemap.c:3747)
[  928.503509][T19302]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  928.503512][T19302]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  928.503514][T19302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  928.503516][T19302]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  928.503519][T19302]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  928.503523][T19302]  ____sys_sendmsg (net/socket.c:2713)
[  928.503524][T19302]  ? copy_msghdr_from_user (net/socket.c:2650)
[  928.503526][T19302]  ? sock_write_iter (net/socket.c:1269)
[  928.503528][T19302]  ? move_addr_to_kernel (net/socket.c:258)
[  928.503530][T19302]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  928.503533][T19302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  928.503535][T19302]  ___sys_sendmsg (net/socket.c:2767)
[  928.503536][T19302]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  928.503538][T19302]  ? copy_msghdr_from_user (net/socket.c:2619)
[  928.503540][T19302]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  928.503545][T19302]  __sys_sendmsg (net/socket.c:2799)
[  928.503547][T19302]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  928.503550][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503551][T19302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  928.503553][T19302]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  928.503556][T19302]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  928.503558][T19302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  928.503560][T19302] RIP: 0033:0x7f9b6ccda54e
[  928.503562][T19302] 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
[  928.503564][T19302] RSP: 002b:00007fff8ee6c540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  928.503568][T19302] RAX: ffffffffffffffda RBX: 00007fff8ee6cd08 RCX: 00007f9b6ccda54e
[  928.503569][T19302] RDX: 0000000000000000 RSI: 00007fff8ee6c5f0 RDI: 0000000000000005
[  928.503570][T19302] RBP: 00007fff8ee6c550 R08: 0000000000000000 R09: 0000000000000000
[  928.503571][T19302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915399
[  928.503572][T19302] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff8ee6ccc0
| [  964.918870][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [  964.918872][   T12] Preemption disabled at:
| [  964.918873][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [  964.918884][   T12] Tainted: [W]=WARN
[  964.918885][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  964.918887][   T12] Workqueue: netns cleanup_net
[  964.918893][   T12] Call Trace:
[  964.918895][   T12]  <TASK>
[  964.918896][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  964.918902][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  964.918904][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[  964.918907][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  964.918910][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  964.918913][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  964.918916][   T12]  __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))
[  964.918919][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  964.918922][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  964.918927][   T12]  ? 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)
[  964.918929][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  964.918931][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[  964.918933][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  964.918935][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  964.918938][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  964.918942][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  964.918944][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[  964.918947][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  964.918949][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  964.918950][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  964.918952][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[  964.918955][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  964.918957][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  964.918958][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  964.918959][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  964.918960][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  964.918963][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  964.918965][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[  964.918967][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  964.918970][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  964.918972][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  964.918974][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  964.918976][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  964.918977][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  964.918979][   T12]  ? 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)
[  964.918981][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  964.918983][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  964.918985][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  964.918986][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[  964.918988][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  964.918989][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[  964.918991][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  964.918994][   T12]  ? kthread (kernel/kthread.c:436)
[  964.918997][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  964.918999][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  964.919002][   T12]  _printk (kernel/printk/printk.c:2504)
[  964.919005][   T12]  ? snapshot_read.cold (user.c:?)
[  964.919008][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  964.919011][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  964.919013][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  964.919016][   T12]  ? netdev_notice (net/core/dev.c:13194)
[  964.919018][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  964.919019][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  964.919021][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  964.919024][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  964.919026][   T12]  ? 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)
[  964.919027][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  964.919029][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[  964.919032][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[  964.919036][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[  964.919039][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[  964.919041][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  964.919044][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  964.919046][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  964.919049][   T12]  cleanup_net (net/core/net_namespace.c:706)
[  964.919050][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  964.919053][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  964.919054][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  964.919056][   T12]  process_one_work (kernel/workqueue.c:3387)
[  964.919059][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  964.919062][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  964.919065][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  964.919068][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  964.919070][   T12]  kthread (kernel/kthread.c:436)
[  964.919072][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  964.919073][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  964.919075][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  964.919077][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  964.919079][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  964.919083][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  964.919085][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  966.556683][T21262] softirqs last disabled at (0): 0x0
| [  966.556687][T21262] Preemption disabled at:
| [  966.556688][T21262] vprintk_emit (kernel/printk/printk.c:2471)
| [  966.556702][T21262] Tainted: [W]=WARN
[  966.556703][T21262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  966.556706][T21262] Call Trace:
[  966.556708][T21262]  <TASK>
[  966.556710][T21262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  966.556717][T21262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  966.556719][T21262]  __might_resched.cold (kernel/sched/core.c:9234)
[  966.556724][T21262]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  966.556727][T21262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  966.556732][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556736][T21262]  __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))
[  966.556740][T21262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  966.556744][T21262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  966.556755][T21262]  ? 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)
[  966.556758][T21262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  966.556762][T21262]  put_chars (drivers/char/virtio_console.c:1176)
[  966.556765][T21262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  966.556768][T21262]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  966.556773][T21262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  966.556779][T21262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  966.556782][T21262]  ? vsnprintf (lib/vsprintf.c:2900)
[  966.556786][T21262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  966.556789][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556791][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556795][T21262]  console_emit_next_record (kernel/printk/printk.c:3183)
[  966.556799][T21262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  966.556802][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556804][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556806][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556808][T21262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  966.556812][T21262]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  966.556815][T21262]  console_flush_one_record (kernel/printk/printk.c:3268)
[  966.556819][T21262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  966.556823][T21262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  966.556827][T21262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  966.556829][T21262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  966.556832][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556834][T21262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  966.556837][T21262]  ? 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)
[  966.556839][T21262]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  966.556842][T21262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  966.556845][T21262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  966.556848][T21262]  vprintk_emit (kernel/printk/printk.c:2479)
[  966.556851][T21262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  966.556853][T21262]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  966.556856][T21262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  966.556860][T21262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  966.556863][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556866][T21262]  _printk (kernel/printk/printk.c:2504)
[  966.556870][T21262]  ? snapshot_read.cold (user.c:?)
[  966.556873][T21262]  ? br_multicast_flood (??:?)
[  966.556878][T21262]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  966.556882][T21262]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  966.556884][T21262]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  966.556887][T21262]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  966.556892][T21262]  br_init_port (net/bridge/br_stp_if.c:39)
[  966.556895][T21262]  new_nbp (net/bridge/br_if.c:449)
[  966.556899][T21262]  br_add_if (net/bridge/br_if.c:592)
[  966.556902][T21262]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  966.556908][T21262]  do_set_master (net/core/rtnetlink.c:3071)
[  966.556911][T21262]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  966.556915][T21262]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  966.556917][T21262]  ? __dev_get_by_name (net/core/dev.c:905)
[  966.556920][T21262]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  966.556926][T21262]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  966.556931][T21262]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  966.556935][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556937][T21262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  966.556940][T21262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  966.556942][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556945][T21262]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  966.556948][T21262]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  966.556952][T21262]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  966.556955][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556957][T21262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  966.556960][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556963][T21262]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  966.556965][T21262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  966.556969][T21262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  966.556971][T21262]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  966.556974][T21262]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  966.556980][T21262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  966.556984][T21262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  966.556986][T21262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  966.556989][T21262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  966.556992][T21262]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  966.556997][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.556999][T21262]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  966.557003][T21262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  966.557007][T21262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  966.557010][T21262]  ? next_uptodate_folio (mm/filemap.c:3747)
[  966.557015][T21262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  966.557018][T21262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  966.557022][T21262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  966.557025][T21262]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  966.557030][T21262]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  966.557034][T21262]  ____sys_sendmsg (net/socket.c:2713)
[  966.557037][T21262]  ? copy_msghdr_from_user (net/socket.c:2650)
[  966.557040][T21262]  ? sock_write_iter (net/socket.c:1269)
[  966.557043][T21262]  ? move_addr_to_kernel (net/socket.c:258)
[  966.557047][T21262]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  966.557050][T21262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  966.557054][T21262]  ___sys_sendmsg (net/socket.c:2767)
[  966.557056][T21262]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  966.557059][T21262]  ? copy_msghdr_from_user (net/socket.c:2619)
[  966.557062][T21262]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  966.557070][T21262]  __sys_sendmsg (net/socket.c:2799)
[  966.557073][T21262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  966.557078][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.557080][T21262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  966.557083][T21262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  966.557087][T21262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  966.557090][T21262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  966.557094][T21262] RIP: 0033:0x7fdaedb6854e
[  966.557097][T21262] 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
[  966.557101][T21262] RSP: 002b:00007ffefa4bd5b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  966.557106][T21262] RAX: ffffffffffffffda RBX: 00007ffefa4bdd78 RCX: 00007fdaedb6854e
[  966.557108][T21262] RDX: 0000000000000000 RSI: 00007ffefa4bd660 RDI: 0000000000000005
[  966.557110][T21262] RBP: 00007ffefa4bd5c0 R08: 0000000000000000 R09: 0000000000000000
[  966.557112][T21262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9153bf
[  966.557114][T21262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefa4bdd30
| [  968.331697][T21332] softirqs last disabled at (0): 0x0
| [  968.331699][T21332] Preemption disabled at:
| [  968.331700][T21332] vprintk_emit (kernel/printk/printk.c:2471)
| [  968.331711][T21332] Tainted: [W]=WARN
[  968.331712][T21332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  968.331714][T21332] Call Trace:
[  968.331716][T21332]  <TASK>
[  968.331717][T21332]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  968.331723][T21332]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  968.331725][T21332]  __might_resched.cold (kernel/sched/core.c:9234)
[  968.331729][T21332]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  968.331733][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331738][T21332]  __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))
[  968.331742][T21332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  968.331746][T21332]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  968.331752][T21332]  ? 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)
[  968.331754][T21332]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  968.331757][T21332]  put_chars (drivers/char/virtio_console.c:1176)
[  968.331758][T21332]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  968.331760][T21332]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  968.331768][T21332]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  968.331771][T21332]  ? pointer (lib/vsprintf.c:2577)
[  968.331775][T21332]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  968.331780][T21332]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  968.331782][T21332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  968.331784][T21332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  968.331787][T21332]  console_emit_next_record (kernel/printk/printk.c:3183)
[  968.331790][T21332]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  968.331792][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331793][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331794][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331796][T21332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  968.331798][T21332]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  968.331800][T21332]  console_flush_one_record (kernel/printk/printk.c:3268)
[  968.331803][T21332]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  968.331805][T21332]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  968.331808][T21332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  968.331809][T21332]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  968.331811][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331812][T21332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  968.331814][T21332]  ? 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)
[  968.331816][T21332]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  968.331817][T21332]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  968.331819][T21332]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  968.331821][T21332]  vprintk_emit (kernel/printk/printk.c:2479)
[  968.331822][T21332]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  968.331824][T21332]  ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7))
[  968.331826][T21332]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  968.331830][T21332]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  968.331832][T21332]  _printk (kernel/printk/printk.c:2504)
[  968.331835][T21332]  ? snapshot_read.cold (user.c:?)
[  968.331837][T21332]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[  968.331840][T21332]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  968.331843][T21332]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  968.331845][T21332]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  968.331849][T21332]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  968.331851][T21332]  ? netdev_notice (net/core/dev.c:13194)
[  968.331853][T21332]  ? 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)
[  968.331855][T21332]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[  968.331858][T21332]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  968.331859][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331861][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331862][T21332]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  968.331863][T21332]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[  968.331865][T21332]  ? 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)
[  968.331866][T21332]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  968.331868][T21332]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[  968.331869][T21332]  ? register_netdev (net/core/dev.c:11618)
[  968.331871][T21332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  968.331873][T21332]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[  968.331876][T21332]  ? __kernel_text_address (kernel/extable.c:79)
[  968.331878][T21332]  ? write_profile (profile.c:?)
[  968.331882][T21332]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  968.331885][T21332]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[  968.331887][T21332]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  968.331889][T21332]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  968.331890][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331892][T21332]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  968.331895][T21332]  ? kasan_save_stack (mm/kasan/common.c:58)
[  968.331897][T21332]  ? kasan_save_stack (mm/kasan/common.c:57)
[  968.331899][T21332]  ? kasan_save_track (mm/kasan/common.c:78)
[  968.331900][T21332]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  968.331901][T21332]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  968.331902][T21332]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  968.331904][T21332]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  968.331905][T21332]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  968.331908][T21332]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  968.331910][T21332]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  968.331911][T21332]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  968.331914][T21332]  ? ____sys_sendmsg (net/socket.c:2713)
[  968.331916][T21332]  ? ___sys_sendmsg (net/socket.c:2767)
[  968.331917][T21332]  ? __sys_sendmsg (net/socket.c:2799)
[  968.331919][T21332]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  968.331922][T21332]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  968.331924][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331926][T21332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  968.331927][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331928][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331930][T21332]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  968.331931][T21332]  ? __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)
[  968.331932][T21332]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  968.331934][T21332]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  968.331936][T21332]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  968.331937][T21332]  ? nla_get_range_signed (lib/nlattr.c:270)
[  968.331940][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331942][T21332]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  968.331944][T21332]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  968.331946][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331948][T21332]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  968.331949][T21332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  968.331951][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331952][T21332]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  968.331955][T21332]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  968.331956][T21332]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  968.331957][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331959][T21332]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  968.331962][T21332]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  968.331964][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331966][T21332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  968.331967][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331969][T21332]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  968.331970][T21332]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  968.331972][T21332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  968.331973][T21332]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  968.331975][T21332]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  968.331978][T21332]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  968.331979][T21332]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  968.331981][T21332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  968.331983][T21332]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  968.331984][T21332]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  968.331988][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.331989][T21332]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  968.331991][T21332]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  968.331993][T21332]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  968.331995][T21332]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  968.331997][T21332]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  968.332000][T21332]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  968.332001][T21332]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  968.332003][T21332]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  968.332005][T21332]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  968.332008][T21332]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  968.332010][T21332]  ____sys_sendmsg (net/socket.c:2713)
[  968.332012][T21332]  ? copy_msghdr_from_user (net/socket.c:2650)
[  968.332014][T21332]  ? sock_write_iter (net/socket.c:1269)
[  968.332015][T21332]  ? move_addr_to_kernel (net/socket.c:258)
[  968.332017][T21332]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  968.332020][T21332]  ___sys_sendmsg (net/socket.c:2767)
[  968.332022][T21332]  ? copy_msghdr_from_user (net/socket.c:2619)
[  968.332027][T21332]  __sys_sendmsg (net/socket.c:2799)
[  968.332029][T21332]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  968.332032][T21332]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  968.332033][T21332]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  968.332035][T21332]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  968.332037][T21332]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  968.332039][T21332] RIP: 0033:0x7f8f043de54e
[  968.332041][T21332] 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
[  968.332043][T21332] RSP: 002b:00007ffdf7b13d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  968.332047][T21332] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f8f043de54e
[  968.332049][T21332] RDX: 0000000000000000 RSI: 00007ffdf7b13dc0 RDI: 0000000000000005
[  968.332050][T21332] RBP: 00007ffdf7b13d20 R08: 0000000000000000 R09: 0000000000000000
[  968.332051][T21332] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9153c1
[  968.332052][T21332] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf7b14480
| [  969.676554][T21382] softirqs last disabled at (0): 0x0
| [  969.676555][T21382] Preemption disabled at:
| [  969.676556][T21382] vprintk_emit (kernel/printk/printk.c:2471)
| [  969.676567][T21382] Tainted: [W]=WARN
[  969.676569][T21382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  969.676570][T21382] Call Trace:
[  969.676572][T21382]  <TASK>
[  969.676573][T21382]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  969.676580][T21382]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  969.676581][T21382]  __might_resched.cold (kernel/sched/core.c:9234)
[  969.676585][T21382]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  969.676587][T21382]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  969.676591][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676594][T21382]  __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))
[  969.676597][T21382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  969.676600][T21382]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  969.676605][T21382]  ? 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)
[  969.676607][T21382]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  969.676610][T21382]  put_chars (drivers/char/virtio_console.c:1176)
[  969.676612][T21382]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  969.676614][T21382]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  969.676616][T21382]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  969.676621][T21382]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  969.676623][T21382]  ? vsnprintf (lib/vsprintf.c:2900)
[  969.676627][T21382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  969.676629][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676630][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676632][T21382]  console_emit_next_record (kernel/printk/printk.c:3183)
[  969.676635][T21382]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  969.676637][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676638][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676639][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676640][T21382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  969.676643][T21382]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  969.676645][T21382]  console_flush_one_record (kernel/printk/printk.c:3268)
[  969.676647][T21382]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  969.676650][T21382]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  969.676652][T21382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  969.676654][T21382]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  969.676656][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676657][T21382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  969.676659][T21382]  ? 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)
[  969.676660][T21382]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  969.676662][T21382]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  969.676664][T21382]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  969.676666][T21382]  vprintk_emit (kernel/printk/printk.c:2479)
[  969.676667][T21382]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  969.676669][T21382]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  969.676671][T21382]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  969.676674][T21382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  969.676675][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676677][T21382]  _printk (kernel/printk/printk.c:2504)
[  969.676680][T21382]  ? snapshot_read.cold (user.c:?)
[  969.676682][T21382]  ? br_multicast_flood (??:?)
[  969.676686][T21382]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  969.676688][T21382]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[  969.676690][T21382]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  969.676692][T21382]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  969.676695][T21382]  br_init_port (net/bridge/br_stp_if.c:39)
[  969.676697][T21382]  new_nbp (net/bridge/br_if.c:449)
[  969.676699][T21382]  br_add_if (net/bridge/br_if.c:592)
[  969.676701][T21382]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[  969.676706][T21382]  do_set_master (net/core/rtnetlink.c:3071)
[  969.676707][T21382]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  969.676709][T21382]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  969.676711][T21382]  ? __dev_get_by_name (net/core/dev.c:905)
[  969.676713][T21382]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  969.676717][T21382]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  969.676719][T21382]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  969.676722][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676723][T21382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  969.676724][T21382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  969.676726][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676727][T21382]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  969.676730][T21382]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  969.676732][T21382]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  969.676734][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676735][T21382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  969.676737][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676738][T21382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  969.676740][T21382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  969.676742][T21382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  969.676743][T21382]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  969.676745][T21382]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  969.676749][T21382]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  969.676752][T21382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  969.676753][T21382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  969.676755][T21382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  969.676757][T21382]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  969.676760][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676761][T21382]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  969.676763][T21382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  969.676766][T21382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  969.676768][T21382]  ? _raw_spin_lock_irqsave (./include/linux/spinlock_api_smp.h:156 kernel/locking/spinlock.c:181)
[  969.676770][T21382]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  969.676779][T21382]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  969.676781][T21382]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  969.676784][T21382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  969.676785][T21382]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  969.676789][T21382]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  969.676792][T21382]  ____sys_sendmsg (net/socket.c:2713)
[  969.676794][T21382]  ? copy_msghdr_from_user (net/socket.c:2650)
[  969.676796][T21382]  ? sock_write_iter (net/socket.c:1269)
[  969.676798][T21382]  ? move_addr_to_kernel (net/socket.c:258)
[  969.676800][T21382]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  969.676803][T21382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  969.676805][T21382]  ___sys_sendmsg (net/socket.c:2767)
[  969.676806][T21382]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  969.676808][T21382]  ? copy_msghdr_from_user (net/socket.c:2619)
[  969.676810][T21382]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  969.676815][T21382]  __sys_sendmsg (net/socket.c:2799)
[  969.676817][T21382]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  969.676820][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676821][T21382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  969.676823][T21382]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  969.676826][T21382]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  969.676828][T21382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  969.676830][T21382] RIP: 0033:0x7f79a769f54e
[  969.676832][T21382] 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
[  969.676834][T21382] RSP: 002b:00007ffcf4c69e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  969.676838][T21382] RAX: ffffffffffffffda RBX: 00007ffcf4c6a658 RCX: 00007f79a769f54e
[  969.676840][T21382] RDX: 0000000000000000 RSI: 00007ffcf4c69f40 RDI: 0000000000000005
[  969.676841][T21382] RBP: 00007ffcf4c69ea0 R08: 0000000000000000 R09: 0000000000000000
[  969.676842][T21382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9153c3
[  969.676843][T21382] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf4c6a610
| [ 1005.253180][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [ 1005.253183][   T12] Preemption disabled at:
| [ 1005.253184][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [ 1005.253194][   T12] Tainted: [W]=WARN
[ 1005.253195][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1005.253196][   T12] Workqueue: netns cleanup_net
[ 1005.253202][   T12] Call Trace:
[ 1005.253204][   T12]  <TASK>
[ 1005.253205][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 1005.253211][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[ 1005.253212][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[ 1005.253216][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[ 1005.253218][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 1005.253221][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1005.253224][   T12]  __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))
[ 1005.253227][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1005.253230][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1005.253235][   T12]  ? 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)
[ 1005.253237][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1005.253239][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[ 1005.253241][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[ 1005.253243][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[ 1005.253246][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 1005.253250][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 1005.253252][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[ 1005.253255][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1005.253256][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1005.253257][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1005.253259][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[ 1005.253262][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 1005.253264][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1005.253265][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1005.253266][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1005.253267][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1005.253270][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 1005.253271][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[ 1005.253274][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 1005.253277][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 1005.253279][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1005.253280][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 1005.253282][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1005.253283][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1005.253285][   T12]  ? 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)
[ 1005.253286][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[ 1005.253288][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 1005.253290][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[ 1005.253291][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[ 1005.253293][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 1005.253294][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[ 1005.253296][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 1005.253299][   T12]  ? kthread (kernel/kthread.c:436)
[ 1005.253301][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[ 1005.253303][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[ 1005.253306][   T12]  _printk (kernel/printk/printk.c:2504)
[ 1005.253309][   T12]  ? snapshot_read.cold (user.c:?)
[ 1005.253311][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[ 1005.253314][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[ 1005.253317][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[ 1005.253319][   T12]  ? netdev_notice (net/core/dev.c:13194)
[ 1005.253321][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1005.253322][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[ 1005.253324][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1005.253327][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[ 1005.253328][   T12]  ? 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)
[ 1005.253330][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[ 1005.253332][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[ 1005.253335][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[ 1005.253339][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[ 1005.253341][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[ 1005.253343][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[ 1005.253346][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[ 1005.253348][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[ 1005.253350][   T12]  cleanup_net (net/core/net_namespace.c:706)
[ 1005.253352][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[ 1005.253354][   T12]  ? update_load_avg (kernel/sched/fair.c:5864)
[ 1005.253357][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1005.253358][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1005.253360][   T12]  process_one_work (kernel/workqueue.c:3387)
[ 1005.253363][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[ 1005.253366][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1005.253368][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 1005.253371][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 1005.253373][   T12]  kthread (kernel/kthread.c:436)
[ 1005.253375][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1005.253376][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[ 1005.253378][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[ 1005.253380][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[ 1005.253382][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1005.253385][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[ 1005.253387][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1006.518526][T23309] softirqs last disabled at (0): 0x0
| [ 1006.518528][T23309] Preemption disabled at:
| [ 1006.518529][T23309] vprintk_emit (kernel/printk/printk.c:2471)
| [ 1006.518539][T23309] Tainted: [W]=WARN
[ 1006.518540][T23309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1006.518542][T23309] Call Trace:
[ 1006.518543][T23309]  <TASK>
[ 1006.518544][T23309]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 1006.518550][T23309]  ? vprintk_emit (kernel/printk/printk.c:2471)
[ 1006.518552][T23309]  __might_resched.cold (kernel/sched/core.c:9234)
[ 1006.518556][T23309]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[ 1006.518558][T23309]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 1006.518562][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518564][T23309]  __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))
[ 1006.518567][T23309]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1006.518570][T23309]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1006.518576][T23309]  ? 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)
[ 1006.518578][T23309]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1006.518580][T23309]  put_chars (drivers/char/virtio_console.c:1176)
[ 1006.518582][T23309]  ? __send_to_port (drivers/char/virtio_console.c:654)
[ 1006.518584][T23309]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[ 1006.518586][T23309]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 1006.518591][T23309]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 1006.518593][T23309]  ? vsnprintf (lib/vsprintf.c:2900)
[ 1006.518596][T23309]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1006.518598][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518599][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518601][T23309]  console_emit_next_record (kernel/printk/printk.c:3183)
[ 1006.518604][T23309]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 1006.518606][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518607][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518608][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518609][T23309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1006.518611][T23309]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 1006.518613][T23309]  console_flush_one_record (kernel/printk/printk.c:3268)
[ 1006.518616][T23309]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 1006.518619][T23309]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 1006.518621][T23309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1006.518622][T23309]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 1006.518624][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518625][T23309]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1006.518627][T23309]  ? 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)
[ 1006.518628][T23309]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[ 1006.518630][T23309]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 1006.518632][T23309]  ? vprintk_emit (kernel/printk/printk.c:2478)
[ 1006.518633][T23309]  vprintk_emit (kernel/printk/printk.c:2479)
[ 1006.518635][T23309]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 1006.518636][T23309]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1006.518638][T23309]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[ 1006.518641][T23309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1006.518642][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518644][T23309]  _printk (kernel/printk/printk.c:2504)
[ 1006.518647][T23309]  ? snapshot_read.cold (user.c:?)
[ 1006.518649][T23309]  ? br_multicast_flood (??:?)
[ 1006.518653][T23309]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[ 1006.518655][T23309]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[ 1006.518657][T23309]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[ 1006.518659][T23309]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[ 1006.518661][T23309]  br_init_port (net/bridge/br_stp_if.c:39)
[ 1006.518663][T23309]  new_nbp (net/bridge/br_if.c:449)
[ 1006.518666][T23309]  br_add_if (net/bridge/br_if.c:592)
[ 1006.518667][T23309]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[ 1006.518672][T23309]  do_set_master (net/core/rtnetlink.c:3071)
[ 1006.518673][T23309]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[ 1006.518675][T23309]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[ 1006.518677][T23309]  ? __dev_get_by_name (net/core/dev.c:905)
[ 1006.518678][T23309]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[ 1006.518683][T23309]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[ 1006.518685][T23309]  rtnl_newlink (net/core/rtnetlink.c:4215)
[ 1006.518687][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518689][T23309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[ 1006.518690][T23309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1006.518692][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518693][T23309]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[ 1006.518696][T23309]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[ 1006.518698][T23309]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 1006.518700][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518701][T23309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1006.518703][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518704][T23309]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[ 1006.518706][T23309]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[ 1006.518707][T23309]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1006.518709][T23309]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[ 1006.518710][T23309]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1006.518714][T23309]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 1006.518717][T23309]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1006.518719][T23309]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1006.518721][T23309]  ? netlink_ack (./include/linux/skbuff.h:2718)
[ 1006.518722][T23309]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[ 1006.518726][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518727][T23309]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1006.518729][T23309]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 1006.518731][T23309]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1006.518733][T23309]  ? next_uptodate_folio (mm/filemap.c:3747)
[ 1006.518736][T23309]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 1006.518739][T23309]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[ 1006.518741][T23309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1006.518742][T23309]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[ 1006.518746][T23309]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[ 1006.518749][T23309]  ____sys_sendmsg (net/socket.c:2713)
[ 1006.518751][T23309]  ? copy_msghdr_from_user (net/socket.c:2650)
[ 1006.518752][T23309]  ? sock_write_iter (net/socket.c:1269)
[ 1006.518754][T23309]  ? move_addr_to_kernel (net/socket.c:258)
[ 1006.518756][T23309]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[ 1006.518759][T23309]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1006.518761][T23309]  ___sys_sendmsg (net/socket.c:2767)
[ 1006.518762][T23309]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[ 1006.518764][T23309]  ? copy_msghdr_from_user (net/socket.c:2619)
[ 1006.518766][T23309]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[ 1006.518770][T23309]  __sys_sendmsg (net/socket.c:2799)
[ 1006.518773][T23309]  ? __sys_sendmsg_sock (net/socket.c:2780)
[ 1006.518777][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518779][T23309]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1006.518782][T23309]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[ 1006.518786][T23309]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[ 1006.518789][T23309]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1006.518792][T23309] RIP: 0033:0x7f24bd74b54e
[ 1006.518795][T23309] 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
[ 1006.518797][T23309] RSP: 002b:00007ffd295a0280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 1006.518801][T23309] RAX: ffffffffffffffda RBX: 00007ffd295a0a48 RCX: 00007f24bd74b54e
[ 1006.518802][T23309] RDX: 0000000000000000 RSI: 00007ffd295a0330 RDI: 0000000000000005
[ 1006.518803][T23309] RBP: 00007ffd295a0290 R08: 0000000000000000 R09: 0000000000000000
[ 1006.518804][T23309] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9153e7
[ 1006.518805][T23309] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd295a0a00
| [ 1007.938964][T23378] softirqs last disabled at (0): 0x0
| [ 1007.938966][T23378] Preemption disabled at:
| [ 1007.938967][T23378] vprintk_emit (kernel/printk/printk.c:2471)
| [ 1007.938978][T23378] Tainted: [W]=WARN
[ 1007.938979][T23378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1007.938980][T23378] Call Trace:
[ 1007.938982][T23378]  <TASK>
[ 1007.938983][T23378]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 1007.938989][T23378]  ? vprintk_emit (kernel/printk/printk.c:2471)
[ 1007.938991][T23378]  __might_resched.cold (kernel/sched/core.c:9234)
[ 1007.938995][T23378]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 1007.938998][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939001][T23378]  __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))
[ 1007.939004][T23378]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1007.939007][T23378]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1007.939013][T23378]  ? 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)
[ 1007.939015][T23378]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1007.939018][T23378]  put_chars (drivers/char/virtio_console.c:1176)
[ 1007.939019][T23378]  ? __send_to_port (drivers/char/virtio_console.c:654)
[ 1007.939021][T23378]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[ 1007.939023][T23378]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[ 1007.939025][T23378]  ? pointer (lib/vsprintf.c:2577)
[ 1007.939029][T23378]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 1007.939034][T23378]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 1007.939036][T23378]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1007.939038][T23378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1007.939041][T23378]  console_emit_next_record (kernel/printk/printk.c:3183)
[ 1007.939044][T23378]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 1007.939046][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939047][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939048][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939050][T23378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1007.939052][T23378]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 1007.939053][T23378]  console_flush_one_record (kernel/printk/printk.c:3268)
[ 1007.939056][T23378]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 1007.939059][T23378]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 1007.939061][T23378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1007.939062][T23378]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 1007.939064][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939065][T23378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1007.939072][T23378]  ? 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)
[ 1007.939074][T23378]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[ 1007.939075][T23378]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 1007.939078][T23378]  ? vprintk_emit (kernel/printk/printk.c:2478)
[ 1007.939079][T23378]  vprintk_emit (kernel/printk/printk.c:2479)
[ 1007.939081][T23378]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 1007.939082][T23378]  ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12)
[ 1007.939085][T23378]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[ 1007.939088][T23378]  _printk (kernel/printk/printk.c:2504)
[ 1007.939091][T23378]  ? snapshot_read.cold (user.c:?)
[ 1007.939093][T23378]  ? synchronize_rcu_normal (kernel/rcu/tree.c:3360)
[ 1007.939095][T23378]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[ 1007.939099][T23378]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[ 1007.939101][T23378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[ 1007.939104][T23378]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[ 1007.939107][T23378]  ? netdev_notice (net/core/dev.c:13194)
[ 1007.939109][T23378]  ? 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)
[ 1007.939111][T23378]  ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883)
[ 1007.939113][T23378]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1007.939115][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939116][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939118][T23378]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1007.939120][T23378]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 1007.939122][T23378]  ? 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)
[ 1007.939123][T23378]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[ 1007.939125][T23378]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[ 1007.939127][T23378]  ? register_netdev (net/core/dev.c:11618)
[ 1007.939128][T23378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1007.939130][T23378]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[ 1007.939133][T23378]  ? __kernel_text_address (kernel/extable.c:79)
[ 1007.939136][T23378]  ? write_profile (profile.c:?)
[ 1007.939139][T23378]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 1007.939142][T23378]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[ 1007.939144][T23378]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 1007.939146][T23378]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[ 1007.939147][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939148][T23378]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1007.939152][T23378]  ? kasan_save_stack (mm/kasan/common.c:58)
[ 1007.939154][T23378]  ? kasan_save_stack (mm/kasan/common.c:57)
[ 1007.939155][T23378]  ? kasan_save_track (mm/kasan/common.c:78)
[ 1007.939157][T23378]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 1007.939158][T23378]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[ 1007.939159][T23378]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[ 1007.939160][T23378]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[ 1007.939162][T23378]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 1007.939165][T23378]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 1007.939166][T23378]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 1007.939168][T23378]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[ 1007.939170][T23378]  ? ____sys_sendmsg (net/socket.c:2713)
[ 1007.939172][T23378]  ? ___sys_sendmsg (net/socket.c:2767)
[ 1007.939173][T23378]  ? __sys_sendmsg (net/socket.c:2799)
[ 1007.939175][T23378]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[ 1007.939177][T23378]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1007.939180][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939181][T23378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1007.939183][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939184][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939185][T23378]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[ 1007.939187][T23378]  ? __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)
[ 1007.939188][T23378]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[ 1007.939189][T23378]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[ 1007.939191][T23378]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[ 1007.939192][T23378]  ? nla_get_range_signed (lib/nlattr.c:270)
[ 1007.939195][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939197][T23378]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[ 1007.939199][T23378]  rtnl_newlink (net/core/rtnetlink.c:4215)
[ 1007.939201][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939202][T23378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[ 1007.939204][T23378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1007.939205][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939207][T23378]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[ 1007.939209][T23378]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[ 1007.939210][T23378]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[ 1007.939212][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939213][T23378]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[ 1007.939216][T23378]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 1007.939219][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939220][T23378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1007.939222][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939223][T23378]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[ 1007.939224][T23378]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[ 1007.939226][T23378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1007.939228][T23378]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[ 1007.939229][T23378]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1007.939232][T23378]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 1007.939234][T23378]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1007.939235][T23378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1007.939237][T23378]  ? netlink_ack (./include/linux/skbuff.h:2718)
[ 1007.939239][T23378]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[ 1007.939242][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939243][T23378]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1007.939245][T23378]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 1007.939248][T23378]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1007.939249][T23378]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1007.939252][T23378]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 1007.939254][T23378]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[ 1007.939256][T23378]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[ 1007.939257][T23378]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1007.939259][T23378]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[ 1007.939262][T23378]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[ 1007.939264][T23378]  ____sys_sendmsg (net/socket.c:2713)
[ 1007.939266][T23378]  ? copy_msghdr_from_user (net/socket.c:2650)
[ 1007.939268][T23378]  ? sock_write_iter (net/socket.c:1269)
[ 1007.939269][T23378]  ? move_addr_to_kernel (net/socket.c:258)
[ 1007.939271][T23378]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[ 1007.939274][T23378]  ___sys_sendmsg (net/socket.c:2767)
[ 1007.939276][T23378]  ? copy_msghdr_from_user (net/socket.c:2619)
[ 1007.939281][T23378]  __sys_sendmsg (net/socket.c:2799)
[ 1007.939283][T23378]  ? __sys_sendmsg_sock (net/socket.c:2780)
[ 1007.939286][T23378]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1007.939287][T23378]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[ 1007.939289][T23378]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[ 1007.939291][T23378]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1007.939292][T23378] RIP: 0033:0x7f33617ae54e
[ 1007.939294][T23378] 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
[ 1007.939297][T23378] RSP: 002b:00007fff7470ed80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 1007.939301][T23378] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f33617ae54e
[ 1007.939302][T23378] RDX: 0000000000000000 RSI: 00007fff7470ee30 RDI: 0000000000000005
[ 1007.939303][T23378] RBP: 00007fff7470ed90 R08: 0000000000000000 R09: 0000000000000000
[ 1007.939304][T23378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9153e9
[ 1007.939305][T23378] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7470f4f0
| [ 1009.171242][T23428] softirqs last disabled at (0): 0x0
| [ 1009.171244][T23428] Preemption disabled at:
| [ 1009.171245][T23428] vprintk_emit (kernel/printk/printk.c:2471)
| [ 1009.171255][T23428] Tainted: [W]=WARN
[ 1009.171256][T23428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1009.171258][T23428] Call Trace:
[ 1009.171259][T23428]  <TASK>
[ 1009.171261][T23428]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 1009.171267][T23428]  ? vprintk_emit (kernel/printk/printk.c:2471)
[ 1009.171268][T23428]  __might_resched.cold (kernel/sched/core.c:9234)
[ 1009.171272][T23428]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[ 1009.171275][T23428]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 1009.171278][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171281][T23428]  __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))
[ 1009.171284][T23428]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1009.171287][T23428]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1009.171293][T23428]  ? 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)
[ 1009.171294][T23428]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1009.171297][T23428]  put_chars (drivers/char/virtio_console.c:1176)
[ 1009.171299][T23428]  ? __send_to_port (drivers/char/virtio_console.c:654)
[ 1009.171301][T23428]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[ 1009.171303][T23428]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 1009.171308][T23428]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 1009.171310][T23428]  ? vsnprintf (lib/vsprintf.c:2900)
[ 1009.171314][T23428]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1009.171316][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171317][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171319][T23428]  console_emit_next_record (kernel/printk/printk.c:3183)
[ 1009.171321][T23428]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 1009.171324][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171325][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171326][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171327][T23428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1009.171330][T23428]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 1009.171332][T23428]  console_flush_one_record (kernel/printk/printk.c:3268)
[ 1009.171334][T23428]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 1009.171337][T23428]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 1009.171339][T23428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1009.171341][T23428]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 1009.171343][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171344][T23428]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1009.171345][T23428]  ? 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)
[ 1009.171347][T23428]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[ 1009.171349][T23428]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 1009.171351][T23428]  ? vprintk_emit (kernel/printk/printk.c:2478)
[ 1009.171352][T23428]  vprintk_emit (kernel/printk/printk.c:2479)
[ 1009.171354][T23428]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 1009.171355][T23428]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1009.171357][T23428]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[ 1009.171360][T23428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1009.171362][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171363][T23428]  _printk (kernel/printk/printk.c:2504)
[ 1009.171366][T23428]  ? snapshot_read.cold (user.c:?)
[ 1009.171368][T23428]  ? br_multicast_flood (??:?)
[ 1009.171372][T23428]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[ 1009.171375][T23428]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[ 1009.171376][T23428]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[ 1009.171378][T23428]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[ 1009.171381][T23428]  br_init_port (net/bridge/br_stp_if.c:39)
[ 1009.171383][T23428]  new_nbp (net/bridge/br_if.c:449)
[ 1009.171385][T23428]  br_add_if (net/bridge/br_if.c:592)
[ 1009.171387][T23428]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[ 1009.171392][T23428]  do_set_master (net/core/rtnetlink.c:3071)
[ 1009.171394][T23428]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[ 1009.171396][T23428]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[ 1009.171397][T23428]  ? __dev_get_by_name (net/core/dev.c:905)
[ 1009.171399][T23428]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[ 1009.171405][T23428]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[ 1009.171408][T23428]  rtnl_newlink (net/core/rtnetlink.c:4215)
[ 1009.171410][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171412][T23428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[ 1009.171413][T23428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1009.171414][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171416][T23428]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[ 1009.171419][T23428]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[ 1009.171421][T23428]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[ 1009.171423][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171424][T23428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1009.171426][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171427][T23428]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[ 1009.171429][T23428]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[ 1009.171430][T23428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1009.171432][T23428]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[ 1009.171433][T23428]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1009.171437][T23428]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 1009.171441][T23428]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1009.171442][T23428]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1009.171444][T23428]  ? netlink_ack (./include/linux/skbuff.h:2718)
[ 1009.171445][T23428]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[ 1009.171448][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171450][T23428]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1009.171452][T23428]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 1009.171454][T23428]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1009.171456][T23428]  ? next_uptodate_folio (mm/filemap.c:3747)
[ 1009.171459][T23428]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 1009.171462][T23428]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[ 1009.171464][T23428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1009.171465][T23428]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[ 1009.171469][T23428]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[ 1009.171472][T23428]  ____sys_sendmsg (net/socket.c:2713)
[ 1009.171474][T23428]  ? copy_msghdr_from_user (net/socket.c:2650)
[ 1009.171476][T23428]  ? sock_write_iter (net/socket.c:1269)
[ 1009.171477][T23428]  ? move_addr_to_kernel (net/socket.c:258)
[ 1009.171479][T23428]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[ 1009.171482][T23428]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1009.171484][T23428]  ___sys_sendmsg (net/socket.c:2767)
[ 1009.171485][T23428]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[ 1009.171487][T23428]  ? copy_msghdr_from_user (net/socket.c:2619)
[ 1009.171489][T23428]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[ 1009.171494][T23428]  __sys_sendmsg (net/socket.c:2799)
[ 1009.171496][T23428]  ? __sys_sendmsg_sock (net/socket.c:2780)
[ 1009.171499][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171500][T23428]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1009.171501][T23428]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[ 1009.171504][T23428]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[ 1009.171506][T23428]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1009.171508][T23428] RIP: 0033:0x7f826b16654e
[ 1009.171510][T23428] 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
[ 1009.171512][T23428] RSP: 002b:00007ffedde39430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 1009.171516][T23428] RAX: ffffffffffffffda RBX: 00007ffedde39bf8 RCX: 00007f826b16654e
[ 1009.171518][T23428] RDX: 0000000000000000 RSI: 00007ffedde394e0 RDI: 0000000000000005
[ 1009.171519][T23428] RBP: 00007ffedde39440 R08: 0000000000000000 R09: 0000000000000000
[ 1009.171519][T23428] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9153ea
[ 1009.171520][T23428] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedde39bb0
| [ 1044.725108][   T12] softirqs last disabled at (2774269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [ 1044.725111][   T12] Preemption disabled at:
| [ 1044.725112][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [ 1044.725123][   T12] Tainted: [W]=WARN
[ 1044.725124][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1044.725125][   T12] Workqueue: netns cleanup_net
[ 1044.725132][   T12] Call Trace:
[ 1044.725133][   T12]  <TASK>
[ 1044.725135][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[ 1044.725141][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[ 1044.725143][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[ 1044.725146][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[ 1044.725149][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[ 1044.725152][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1044.725155][   T12]  __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))
[ 1044.725157][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1044.725161][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1044.725166][   T12]  ? 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)
[ 1044.725167][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[ 1044.725170][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[ 1044.725172][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[ 1044.725174][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[ 1044.725177][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[ 1044.725181][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[ 1044.725183][   T12]  ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1))
[ 1044.725186][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1044.725188][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1044.725189][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1044.725191][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[ 1044.725193][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[ 1044.725196][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1044.725197][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1044.725198][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1044.725199][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1044.725201][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[ 1044.725203][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[ 1044.725206][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[ 1044.725209][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[ 1044.725211][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1044.725212][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[ 1044.725214][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1044.725215][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[ 1044.725217][   T12]  ? 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)
[ 1044.725219][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[ 1044.725220][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[ 1044.725222][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[ 1044.725224][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[ 1044.725225][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[ 1044.725227][   T12]  ? cleanup_net (net/core/net_namespace.c:706)
[ 1044.725228][   T12]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 1044.725231][   T12]  ? kthread (kernel/kthread.c:436)
[ 1044.725233][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[ 1044.725236][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[ 1044.725239][   T12]  _printk (kernel/printk/printk.c:2504)
[ 1044.725242][   T12]  ? snapshot_read.cold (user.c:?)
[ 1044.725244][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[ 1044.725248][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[ 1044.725250][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[ 1044.725253][   T12]  ? netdev_notice (net/core/dev.c:13194)
[ 1044.725255][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1044.725256][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[ 1044.725258][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1044.725261][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[ 1044.725263][   T12]  ? 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)
[ 1044.725264][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[ 1044.725266][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[ 1044.725269][   T12]  del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341)
[ 1044.725273][   T12]  br_dev_delete (net/bridge/br_if.c:387)
[ 1044.725276][   T12]  br_net_exit_rtnl (net/bridge/br.c:414)
[ 1044.725278][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[ 1044.725280][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[ 1044.725282][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[ 1044.725285][   T12]  cleanup_net (net/core/net_namespace.c:706)
[ 1044.725287][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[ 1044.725290][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[ 1044.725291][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[ 1044.725293][   T12]  process_one_work (kernel/workqueue.c:3387)
[ 1044.725296][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[ 1044.725299][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1044.725301][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[ 1044.725305][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[ 1044.725307][   T12]  kthread (kernel/kthread.c:436)
[ 1044.725308][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1044.725310][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[ 1044.725312][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[ 1044.725314][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[ 1044.725316][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1044.725319][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__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
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning