======================================
| [   11.820435][  T264] softirqs last disabled at (13086): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.820438][  T264] Preemption disabled at:
| [   11.820439][  T264] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.820448][  T264] Tainted: [W]=WARN
[   11.820449][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.820451][  T264] Call Trace:
[   11.820453][  T264]  <TASK>
[   11.820454][  T264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.820460][  T264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.820462][  T264]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.820466][  T264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.820471][  T264]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.820476][  T264]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.820478][  T264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.820483][  T264]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.820486][  T264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.820489][  T264]  put_chars (drivers/char/virtio_console.c:1176)
[   11.820492][  T264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.820496][  T264]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.820499][  T264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.820502][  T264]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.820504][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.820505][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.820509][  T264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.820511][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.820514][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.820518][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.820522][  T264]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.820526][  T264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.820528][  T264]  ? 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))
[   11.820531][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.820533][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.820537][  T264]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.820541][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.820543][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.820548][  T264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.820551][  T264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.820553][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.820555][  T264]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.820558][  T264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.820560][  T264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.820564][  T264]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.820567][  T264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.820570][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.820571][  T264]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.820576][  T264]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.820579][  T264]  _printk (kernel/printk/printk.c:2504)
[   11.820583][  T264]  ? snapshot_read.cold (user.c:?)
[   11.820586][  T264]  ? br_multicast_flood (??:?) bridge
[   11.820599][  T264]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.820600][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.820602][  T264]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.820606][  T264] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.820616][  T264] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.820624][  T264] new_nbp (net/bridge/br_if.c:449) bridge
[   11.820633][  T264] br_add_if (net/bridge/br_if.c:592) bridge
[   11.820640][  T264]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.820644][  T264]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.820647][  T264]  ? __kernel_text_address (kernel/extable.c:79)
[   11.820651][  T264]  do_set_master (net/core/rtnetlink.c:3071)
[   11.820655][  T264]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.820658][  T264]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.820661][  T264]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.820662][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.820665][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.820668][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.820671][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.820673][  T264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.820675][  T264]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.820678][  T264]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.820680][  T264]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.820683][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.820685][  T264]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.820687][  T264]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.820692][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.820694][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.820696][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.820698][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.820700][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.820702][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.820704][  T264]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.820708][  T264]  ? __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)
[   11.820709][  T264]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.820711][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.820715][  T264]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.820716][  T264]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.820721][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.820726][  T264]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.820735][  T264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.820737][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.820742][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.820744][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.820746][  T264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.820748][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.820753][  T264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.820757][  T264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.820761][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.820763][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.820767][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.820769][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.820773][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.820775][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.820778][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.820784][  T264]  ? 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))
[   11.820785][  T264]  ? 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))
[   11.820789][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.820793][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.820796][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.820800][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.820803][  T264]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.820807][  T264]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.820812][  T264]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.820815][  T264]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.820817][  T264]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.820818][  T264]  ? move_addr_to_kernel (net/socket.c:258)
[   11.820826][  T264]  ___sys_sendmsg (net/socket.c:2767)
[   11.820828][  T264]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.820844][  T264]  __sys_sendmsg (net/socket.c:2799)
[   11.820847][  T264]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.820853][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.820856][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.820858][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.820862][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.820864][  T264] RIP: 0033:0x7f7517dcd54e
[   11.820867][  T264] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.820869][  T264] RSP: 002b:00007fff6cfab370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.820872][  T264] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7517dcd54e
[   11.820873][  T264] RDX: 0000000000000000 RSI: 00007fff6cfab420 RDI: 0000000000000005
[   11.820874][  T264] RBP: 00007fff6cfab380 R08: 0000000000000000 R09: 0000000000000000
[   11.820875][  T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b0db
[   11.820876][  T264] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6cfabae0
| [   13.214712][  T313] softirqs last disabled at (12702): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.214715][  T313] Preemption disabled at:
| [   13.214716][  T313] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.214725][  T313] Tainted: [W]=WARN
[   13.214726][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.214728][  T313] Call Trace:
[   13.214731][  T313]  <TASK>
[   13.214733][  T313]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.214739][  T313]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.214741][  T313]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.214746][  T313]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.214751][  T313]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.214757][  T313]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.214759][  T313]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.214764][  T313]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.214767][  T313]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.214770][  T313]  put_chars (drivers/char/virtio_console.c:1176)
[   13.214772][  T313]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.214774][  T313]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.214777][  T313]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.214782][  T313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.214784][  T313]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.214788][  T313]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.214791][  T313]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.214793][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.214794][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.214798][  T313]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.214801][  T313]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.214804][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.214806][  T313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.214810][  T313]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.214815][  T313]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.214816][  T313]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.214820][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.214822][  T313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.214826][  T313]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.214831][  T313]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.214833][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.214838][  T313]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.214841][  T313]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.214843][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.214845][  T313]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.214849][  T313]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.214851][  T313]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.214854][  T313]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.214858][  T313]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.214861][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.214864][  T313]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.214867][  T313]  _printk (kernel/printk/printk.c:2504)
[   13.214871][  T313]  ? snapshot_read.cold (user.c:?)
[   13.214875][  T313]  ? br_multicast_flood (??:?) bridge
[   13.214888][  T313]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.214890][  T313]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.214891][  T313]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.214895][  T313] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.214906][  T313] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.214914][  T313] new_nbp (net/bridge/br_if.c:449) bridge
[   13.214924][  T313] br_add_if (net/bridge/br_if.c:592) bridge
[   13.214931][  T313]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.214935][  T313]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.214938][  T313]  ? __kernel_text_address (kernel/extable.c:79)
[   13.214942][  T313]  do_set_master (net/core/rtnetlink.c:3071)
[   13.214947][  T313]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.214950][  T313]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.214953][  T313]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.214954][  T313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.214956][  T313]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.214960][  T313]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.214962][  T313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.214964][  T313]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.214967][  T313]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.214970][  T313]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.214971][  T313]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.214974][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.214976][  T313]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   13.214979][  T313]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.214984][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.214985][  T313]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.214988][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.214991][  T313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.214992][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.214994][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.214996][  T313]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.215000][  T313]  ? __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)
[   13.215004][  T313]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.215006][  T313]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.215009][  T313]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.215011][  T313]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.215016][  T313]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.215021][  T313]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.215026][  T313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.215028][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.215033][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.215035][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.215037][  T313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.215038][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.215042][  T313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.215044][  T313]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.215047][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.215049][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.215053][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.215055][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.215059][  T313]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.215060][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.215063][  T313]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.215069][  T313]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.215071][  T313]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.215075][  T313]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.215079][  T313]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.215082][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.215086][  T313]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.215090][  T313]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.215094][  T313]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.215099][  T313]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.215101][  T313]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.215104][  T313]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.215105][  T313]  ? move_addr_to_kernel (net/socket.c:258)
[   13.215113][  T313]  ___sys_sendmsg (net/socket.c:2767)
[   13.215116][  T313]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.215131][  T313]  __sys_sendmsg (net/socket.c:2799)
[   13.215134][  T313]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.215141][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.215144][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.215147][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.215150][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.215152][  T313] RIP: 0033:0x7fcfaadd454e
[   13.215156][  T313] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.215158][  T313] RSP: 002b:00007ffcad9a94a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.215161][  T313] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcfaadd454e
[   13.215162][  T313] RDX: 0000000000000000 RSI: 00007ffcad9a9550 RDI: 0000000000000005
[   13.215163][  T313] RBP: 00007ffcad9a94b0 R08: 0000000000000000 R09: 0000000000000000
[   13.215164][  T313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b0dc
[   13.215165][  T313] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcad9a9c10
| [   14.259815][  T350] softirqs last disabled at (19604): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.259817][  T350] Preemption disabled at:
| [   14.259818][  T350] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.259827][  T350] Tainted: [W]=WARN
[   14.259828][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.259830][  T350] Call Trace:
[   14.259831][  T350]  <TASK>
[   14.259833][  T350]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.259838][  T350]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.259840][  T350]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.259845][  T350]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.259849][  T350]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.259854][  T350]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.259857][  T350]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.259862][  T350]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.259865][  T350]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.259868][  T350]  put_chars (drivers/char/virtio_console.c:1176)
[   14.259870][  T350]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.259871][  T350]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.259874][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.259878][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.259881][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.259884][  T350]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.259887][  T350]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.259889][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.259891][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.259895][  T350]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.259896][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.259900][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.259902][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.259906][  T350]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.259910][  T350]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.259911][  T350]  ? 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))
[   14.259915][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.259917][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.259921][  T350]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.259925][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.259927][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.259932][  T350]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.259934][  T350]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.259936][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.259938][  T350]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.259942][  T350]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.259944][  T350]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.259947][  T350]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.259951][  T350]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.259953][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.259956][  T350]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.259959][  T350]  _printk (kernel/printk/printk.c:2504)
[   14.259963][  T350]  ? snapshot_read.cold (user.c:?)
[   14.259966][  T350]  ? br_multicast_flood (??:?) bridge
[   14.259979][  T350]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.259980][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.259982][  T350]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.259986][  T350] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.259996][  T350] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.260004][  T350] new_nbp (net/bridge/br_if.c:449) bridge
[   14.260013][  T350] br_add_if (net/bridge/br_if.c:592) bridge
[   14.260020][  T350]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.260024][  T350]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.260027][  T350]  ? __kernel_text_address (kernel/extable.c:79)
[   14.260032][  T350]  do_set_master (net/core/rtnetlink.c:3071)
[   14.260039][  T350]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.260044][  T350]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.260048][  T350]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.260050][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.260053][  T350]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.260057][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.260060][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.260063][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.260067][  T350]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.260071][  T350]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.260073][  T350]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.260077][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.260080][  T350]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.260084][  T350]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.260091][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.260093][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.260098][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.260101][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.260103][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.260106][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.260109][  T350]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.260114][  T350]  ? __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)
[   14.260118][  T350]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.260121][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.260126][  T350]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.260129][  T350]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.260137][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.260146][  T350]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.260155][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.260158][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.260165][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.260168][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.260171][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.260174][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.260180][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.260184][  T350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.260189][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.260191][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.260199][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.260202][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.260207][  T350]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.260210][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.260215][  T350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.260222][  T350]  ? 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))
[   14.260223][  T350]  ? 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))
[   14.260227][  T350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.260231][  T350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.260234][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.260238][  T350]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.260241][  T350]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.260245][  T350]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.260251][  T350]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.260253][  T350]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.260255][  T350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.260257][  T350]  ? move_addr_to_kernel (net/socket.c:258)
[   14.260264][  T350]  ___sys_sendmsg (net/socket.c:2767)
[   14.260267][  T350]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.260283][  T350]  __sys_sendmsg (net/socket.c:2799)
[   14.260286][  T350]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.260292][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.260295][  T350]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.260298][  T350]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.260301][  T350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.260303][  T350] RIP: 0033:0x7fe8e48ee54e
[   14.260307][  T350] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.260308][  T350] RSP: 002b:00007fffc58cea40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.260311][  T350] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fe8e48ee54e
[   14.260313][  T350] RDX: 0000000000000000 RSI: 00007fffc58ceaf0 RDI: 0000000000000005
[   14.260314][  T350] RBP: 00007fffc58cea50 R08: 0000000000000000 R09: 0000000000000000
[   14.260314][  T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b0dd
[   14.260315][  T350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc58cf1b0
| [   24.082677][  T456] softirqs last disabled at (19985): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.082681][  T456] Preemption disabled at:
| [   24.082682][  T456] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.082696][  T456] Tainted: [W]=WARN
[   24.082697][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.082700][  T456] Call Trace:
[   24.082702][  T456]  <TASK>
[   24.082705][  T456]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.082712][  T456]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.082716][  T456]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.082723][  T456]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.082734][  T456]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.082742][  T456]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.082746][  T456]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.082756][  T456]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.082760][  T456]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.082766][  T456]  put_chars (drivers/char/virtio_console.c:1176)
[   24.082769][  T456]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   24.082773][  T456]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.082779][  T456]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.082785][  T456]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.082793][  T456]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.082797][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.082800][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.082809][  T456]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.082812][  T456]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.082818][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.082823][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.082831][  T456]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.082838][  T456]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.082841][  T456]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   24.082847][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.082851][  T456]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.082859][  T456]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.082867][  T456]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.082870][  T456]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.082880][  T456]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.082885][  T456]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.082888][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.082892][  T456]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.082900][  T456]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.082903][  T456]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.082909][  T456]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.082916][  T456]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.082927][  T456]  ? udp_tunnel_nic_cleanup_module (net/ipv4/udp_tunnel_core.c:237) udp_tunnel
[   24.082933][  T456]  _printk (kernel/printk/printk.c:2504)
[   24.082939][  T456]  ? snapshot_read.cold (user.c:?)
[   24.082951][  T456]  ? 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)
[   24.082956][  T456] gact_init_module (net/sched/act_gact.c:180) act_gact
[   24.082961][  T456]  do_one_initcall (init/main.c:1357)
[   24.082966][  T456]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   24.082975][  T456]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   24.082979][  T456]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   24.082988][  T456]  do_init_module (kernel/module/main.c:3117)
[   24.082995][  T456]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.083001][  T456]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   24.083007][  T456]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   24.083016][  T456]  load_module (kernel/module/main.c:3593)
[   24.083030][  T456]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   24.083037][  T456]  ? __ia32_sys_fsconfig (??:?)
[   24.083041][  T456]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   24.083047][  T456]  ? backing_file_read_iter (fs/backing-file.c:211)
[   24.083052][  T456]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.083059][  T456]  init_module_from_file (kernel/module/main.c:3790)
[   24.083065][  T456]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   24.083081][  T456]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.083088][  T456]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.083094][  T456]  idempotent_init_module (kernel/module/main.c:3802)
[   24.083100][  T456]  ? init_module_from_file (kernel/module/main.c:3791)
[   24.083112][  T456]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.083117][  T456]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   24.083126][  T456]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   24.083130][  T456]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.083136][  T456]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.083139][  T456]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.083144][  T456]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.083148][  T456] RIP: 0033:0x7f803c15537d
[   24.083153][  T456] 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
[   24.083156][  T456] RSP: 002b:00007fff36bdc3b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   24.083160][  T456] RAX: ffffffffffffffda RBX: 00005629457f5810 RCX: 00007f803c15537d
[   24.083162][  T456] RDX: 0000000000000000 RSI: 000056293339fffd RDI: 0000000000000000
[   24.083164][  T456] RBP: 00007fff36bdc450 R08: 0000000000000000 R09: 0000000000000000
[   24.083165][  T456] R10: 0000000000000000 R11: 0000000000000246 R12: 000056293339fffd
[   24.083167][  T456] R13: 00005629457f5960 R14: 0000000000040000 R15: 0000000000000000
| [   26.983866][    C0] softirqs last disabled at (892921): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.983868][    C0] Preemption disabled at:
| [   26.983868][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   26.983879][    C0] Tainted: [W]=WARN
[   26.983880][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.983882][    C0] Call Trace:
[   26.983883][    C0]  <IRQ>
[   26.983885][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.983890][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   26.983892][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.983896][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.983899][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.983902][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.983906][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.983909][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.983912][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.983915][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.983917][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.983919][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   26.983921][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.983923][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.983926][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.983930][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.983931][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.983933][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.983935][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.983938][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.983940][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.983941][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.983943][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.983945][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.983947][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.983949][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.983952][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.983954][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.983955][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.983957][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.983959][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.983960][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.983962][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.983964][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.983966][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.983969][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.983970][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.983972][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.983974][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   26.983979][    C0]  _printk (kernel/printk/printk.c:2504)
[   26.983982][    C0]  ? snapshot_read.cold (user.c:?)
[   26.983984][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.983988][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.983991][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.983992][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.983995][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.983998][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.984000][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.984002][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.984004][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.984006][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.984018][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.984020][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.984022][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.984029][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.984031][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.984037][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.984044][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.984050][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   26.984053][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.984055][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.984059][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.984060][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.984062][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.984064][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.984066][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.984073][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.984075][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.984078][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.984080][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.984082][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.984084][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.984086][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.984088][    C0]  handle_softirqs (kernel/softirq.c:645)
[   26.984090][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.984092][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.984094][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.984095][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   26.984097][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.984100][    C0]  </IRQ>
[   26.984100][    C0]  <TASK>
[   26.984101][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   26.984103][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.984105][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.984108][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   26.984110][    C0] RSP: 0018:ffffffff88207cf8 EFLAGS: 00000296
[   26.984113][    C0] RAX: 00000000000d9ff7 RBX: ffffffff8821c600 RCX: ffffffff852f0307
[   26.984114][    C0] RDX: ffffffff8821c600 RSI: ffffffff88038af6 RDI: ffffffff87a8d8e0
[   26.984115][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.984116][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1040fa2
[   26.984117][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   26.984119][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.984123][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.984126][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.984128][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   26.984130][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.984133][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   26.984135][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.984139][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.984141][    C0]  do_idle (kernel/sched/idle.c:355)
[   26.984143][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.984144][    C0]  rest_init (init/main.c:727)
[   26.984147][    C0]  ? __cpuidle_text_end (??:?)
[   26.984149][    C0]  ? rest_init (init/main.c:727)
[   26.984151][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   26.984155][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   26.984158][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   26.984160][    C0]  start_kernel (init/main.c:1185)
[   26.984162][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   26.984164][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   26.984166][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.057346][    C0]
| [   27.057423][    C0]
| [   27.057423][    C0] stack backtrace:
| [   27.057678][    C0] Tainted: [W]=WARN
[   27.057679][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.057682][    C0] Call Trace:
[   27.057683][    C0]  <IRQ>
[   27.057684][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.057689][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.057694][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.057699][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.057702][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.057704][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.057706][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.057708][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.057716][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.057719][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.057721][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.057727][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.057730][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.057737][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.057744][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.057751][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.057753][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.057755][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.057759][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.057761][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.057763][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.057765][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.057767][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.057775][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.057777][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.057780][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.057782][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.057784][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.057786][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.057788][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.057790][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.057793][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.057795][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.057797][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.057798][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   27.057799][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.057802][    C0]  </IRQ>
[   27.057802][    C0]  <TASK>
[   27.057803][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   27.057805][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.057807][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.057809][    C0] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 11 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   27.057811][    C0] RSP: 0018:ffffffff88207cf8 EFLAGS: 00000296
[   27.057814][    C0] RAX: 00000000000d9ff7 RBX: ffffffff8821c600 RCX: ffffffff852f0307
[   27.057815][    C0] RDX: ffffffff8821c600 RSI: ffffffff88038af6 RDI: ffffffff87a8d8e0
[   27.057816][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.057817][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff1040fa2
[   27.057818][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   27.057820][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.057822][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.057824][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.057825][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   27.057827][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.057829][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   27.057830][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.057833][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.057835][    C0]  do_idle (kernel/sched/idle.c:355)
[   27.057837][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.057838][    C0]  rest_init (init/main.c:727)
[   27.057840][    C0]  ? __cpuidle_text_end (??:?)
[   27.057843][    C0]  ? rest_init (init/main.c:727)
[   27.057845][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   27.057849][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   27.057851][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   27.057854][    C0]  start_kernel (init/main.c:1185)
[   27.057855][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   27.057857][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   27.057859][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   32.294698][  T789] softirqs last disabled at (0): 0x0
| [   32.294699][  T789] Preemption disabled at:
| [   32.294700][  T789] dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
| [   32.294711][  T789] Tainted: [W]=WARN
[   32.294712][  T789] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.294714][  T789] Call Trace:
[   32.294715][  T789]  <TASK>
[   32.294716][  T789]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.294722][  T789]  ? dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
[   32.294724][  T789]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.294728][  T789]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.294733][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294737][  T789]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   32.294741][  T789]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.294743][  T789]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.294747][  T789]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.294749][  T789]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.294750][  T789]  put_chars (drivers/char/virtio_console.c:1176)
[   32.294752][  T789]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.294754][  T789]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   32.294757][  T789]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   32.294759][  T789]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.294763][  T789]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.294764][  T789]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.294765][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294767][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294769][  T789]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.294771][  T789]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.294773][  T789]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.294775][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294777][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294778][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294780][  T789]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.294782][  T789]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   32.294783][  T789]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.294785][  T789]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.294788][  T789]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.294790][  T789]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.294791][  T789]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.294793][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294794][  T789]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.294795][  T789]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.294797][  T789]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   32.294799][  T789]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.294801][  T789]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.294803][  T789]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.294805][  T789]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.294808][  T789]  _printk (kernel/printk/printk.c:2504)
[   32.294811][  T789]  ? snapshot_read.cold (user.c:?)
[   32.294813][  T789]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.294816][  T789]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.294817][  T789]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.294819][  T789]  ? netdev_notice (net/core/dev.c:13194)
[   32.294821][  T789]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.294824][  T789]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   32.294825][  T789]  ? __hw_addr_add_ex (./include/linux/slab.h:991 (discriminator 1) net/core/dev_addr_lists.c:62 (discriminator 1) net/core/dev_addr_lists.c:120 (discriminator 1))
[   32.294827][  T789]  ? 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)
[   32.294830][  T789]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   32.294833][  T789]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[   32.294836][  T789]  dev_uc_add_excl (net/core/dev_addr_lists.c:801)
[   32.294837][  T789]  ndo_dflt_fdb_add (net/core/rtnetlink.c:4740)
[   32.294840][  T789]  ? __nla_parse (lib/nlattr.c:732)
[   32.294843][  T789]  rtnl_fdb_add (net/core/rtnetlink.c:4845)
[   32.294844][  T789]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.294846][  T789]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   32.294847][  T789]  ? rtnl_fdb_del (net/core/rtnetlink.c:4918 (discriminator 2))
[   32.294848][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294850][  T789]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   32.294853][  T789]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.294855][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294857][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294858][  T789]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   32.294862][  T789]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.294864][  T789]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   32.294865][  T789]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.294867][  T789]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   32.294869][  T789]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   32.294872][  T789]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.294874][  T789]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.294876][  T789]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.294877][  T789]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.294878][  T789]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   32.294881][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294882][  T789]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.294884][  T789]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.294886][  T789]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.294888][  T789]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[   32.294891][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294892][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294894][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294895][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294897][  T789]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.294899][  T789]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.294901][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294903][  T789]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.294905][  T789]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.294907][  T789]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.294909][  T789]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.294911][  T789]  ? move_addr_to_kernel (net/socket.c:258)
[   32.294913][  T789]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   32.294916][  T789]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.294918][  T789]  ___sys_sendmsg (net/socket.c:2767)
[   32.294919][  T789]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   32.294922][  T789]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.294924][  T789]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   32.294928][  T789]  __sys_sendmsg (net/socket.c:2799)
[   32.294930][  T789]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.294933][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294934][  T789]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.294936][  T789]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.294940][  T789]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.294942][  T789]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.294943][  T789] RIP: 0033:0x7fcbe6dd354e
[   32.294945][  T789] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.294947][  T789] RSP: 002b:00007ffef3ed6120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.294951][  T789] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcbe6dd354e
[   32.294952][  T789] RDX: 0000000000000000 RSI: 00007ffef3ed61d0 RDI: 0000000000000005
[   32.294953][  T789] RBP: 00007ffef3ed6130 R08: 0000000000000000 R09: 0000000000000000
[   32.294954][  T789] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b0f0
[   32.294955][  T789] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [   43.043017][ T1278] softirqs last disabled at (0): 0x0
| [   43.043019][ T1278] Preemption disabled at:
| [   43.043020][ T1278] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [   43.043031][ T1278] Tainted: [W]=WARN
[   43.043032][ T1278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.043033][ T1278] Call Trace:
[   43.043035][ T1278]  <TASK>
[   43.043036][ T1278]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.043042][ T1278]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[   43.043043][ T1278]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.043047][ T1278]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.043051][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043055][ T1278]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   43.043058][ T1278]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   43.043061][ T1278]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.043065][ T1278]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.043067][ T1278]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.043069][ T1278]  put_chars (drivers/char/virtio_console.c:1176)
[   43.043070][ T1278]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.043072][ T1278]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   43.043075][ T1278]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.043079][ T1278]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.043080][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043082][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043084][ T1278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.043086][ T1278]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.043088][ T1278]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.043090][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043092][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043094][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043095][ T1278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.043097][ T1278]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   43.043099][ T1278]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.043101][ T1278]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.043104][ T1278]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.043106][ T1278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.043107][ T1278]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.043109][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043110][ T1278]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.043112][ T1278]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.043114][ T1278]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.043116][ T1278]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.043117][ T1278]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.043119][ T1278]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.043122][ T1278]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.043123][ T1278]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[   43.043126][ T1278]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[   43.043127][ T1278]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[   43.043130][ T1278]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   43.043131][ T1278]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.043133][ T1278]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.043135][ T1278]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.043136][ T1278]  _printk (kernel/printk/printk.c:2504)
[   43.043139][ T1278]  ? snapshot_read.cold (user.c:?)
[   43.043141][ T1278]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   43.043144][ T1278]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   43.043146][ T1278]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   43.043148][ T1278]  ? netdev_notice (net/core/dev.c:13194)
[   43.043150][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043151][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043153][ T1278]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.043155][ T1278]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.043157][ T1278]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   43.043158][ T1278]  ? 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)
[   43.043161][ T1278]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   43.043164][ T1278]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[   43.043167][ T1278]  dev_uc_del (net/core/dev_addr_lists.c:845)
[   43.043169][ T1278]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[   43.043170][ T1278]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.043172][ T1278]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   43.043174][ T1278]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[   43.043175][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043176][ T1278]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   43.043179][ T1278]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   43.043182][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043184][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043186][ T1278]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   43.043189][ T1278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.043191][ T1278]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   43.043193][ T1278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.043194][ T1278]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   43.043197][ T1278]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   43.043201][ T1278]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   43.043202][ T1278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   43.043204][ T1278]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.043205][ T1278]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   43.043206][ T1278]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   43.043209][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043211][ T1278]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.043213][ T1278]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   43.043215][ T1278]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.043216][ T1278]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[   43.043219][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043221][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043223][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043224][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043226][ T1278]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   43.043228][ T1278]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   43.043230][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043232][ T1278]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   43.043234][ T1278]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   43.043236][ T1278]  ? copy_msghdr_from_user (net/socket.c:2650)
[   43.043238][ T1278]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   43.043239][ T1278]  ? move_addr_to_kernel (net/socket.c:258)
[   43.043242][ T1278]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   43.043244][ T1278]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.043246][ T1278]  ___sys_sendmsg (net/socket.c:2767)
[   43.043248][ T1278]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   43.043250][ T1278]  ? copy_msghdr_from_user (net/socket.c:2619)
[   43.043251][ T1278]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   43.043256][ T1278]  __sys_sendmsg (net/socket.c:2799)
[   43.043259][ T1278]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   43.043261][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043263][ T1278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.043265][ T1278]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   43.043268][ T1278]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   43.043270][ T1278]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.043272][ T1278] RIP: 0033:0x7f1ba34a054e
[   43.043274][ T1278] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   43.043276][ T1278] RSP: 002b:00007ffc23b9ca30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   43.043280][ T1278] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ba34a054e
[   43.043281][ T1278] RDX: 0000000000000000 RSI: 00007ffc23b9cae0 RDI: 0000000000000005
[   43.043282][ T1278] RBP: 00007ffc23b9ca40 R08: 0000000000000000 R09: 0000000000000000
[   43.043283][ T1278] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b0fb
[   43.043284][ T1278] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [   59.059740][    C3] softirqs last disabled at (0): 0x0
| [   59.059741][    C3] Preemption disabled at:
| [   59.059742][    C3] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   59.059754][    C3] Tainted: [W]=WARN
[   59.059755][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.059757][    C3] Call Trace:
[   59.059759][    C3]  <IRQ>
[   59.059760][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.059766][    C3]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   59.059768][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.059772][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.059776][    C3]  ? ip4_addr_string (lib/vsprintf.c:656 lib/vsprintf.c:1519)
[   59.059779][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059783][    C3]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   59.059786][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   59.059789][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.059793][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.059795][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.059797][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   59.059799][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.059801][    C3]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   59.059804][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   59.059806][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.059809][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.059811][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   59.059812][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059814][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059816][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.059818][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.059820][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.059822][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059824][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059826][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059827][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.059829][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   59.059831][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.059833][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.059836][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.059837][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.059839][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.059840][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059842][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.059843][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.059845][    C3]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   59.059847][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.059849][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.059851][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.059855][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.059857][    C3]  ? do_raw_spin_trylock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:98 kernel/locking/spinlock_debug.c:123)
[   59.059859][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059861][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.059862][    C3]  _printk (kernel/printk/printk.c:2504)
[   59.059865][    C3]  ? snapshot_read.cold (user.c:?)
[   59.059867][    C3]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   59.059870][    C3]  ? idr_get_free (??:?)
[   59.059872][    C3]  ? csum_partial (lib/checksum.c:119)
[   59.059875][    C3]  ? skb_pull_rcsum (./include/linux/skbuff.h:4097 (discriminator 1) net/core/skbuff.c:4670 (discriminator 1))
[   59.059878][    C3]  ? 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)
[   59.059881][    C3] vxlan_ecn_decapsulate.cold (drivers/net/vxlan/vxlan_core.c:1636 (discriminator 3)) vxlan
[   59.059888][    C3] vxlan_rcv (drivers/net/vxlan/vxlan_core.c:1780) vxlan
[   59.059892][    C3]  ? fib_rules_unregister (net/core/fib_rules.c:189)
[   59.059896][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   59.059900][    C3]  ? csum_partial (lib/checksum.c:119)
[   59.059901][    C3]  ? skb_checksum (net/core/skbuff.c:3543)
[   59.059904][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   59.059907][    C3]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390)
[   59.059910][    C3]  udp_queue_rcv_one_skb (net/ipv4/udp.c:2390)
[   59.059911][    C3]  ? fib_multipath_hash (net/ipv4/route.c:2083)
[   59.059914][    C3]  udp_unicast_rcv_skb (net/ipv4/udp.c:2578)
[   59.059916][    C3]  ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3))
[   59.059918][    C3]  udp_rcv (net/ipv4/udp.c:2655)
[   59.059920][    C3]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1))
[   59.059922][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059924][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.059926][    C3]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[   59.059929][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   59.059930][    C3]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[   59.059933][    C3]  ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[   59.059934][    C3]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[   59.059936][    C3]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   59.059938][    C3]  ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2))
[   59.059939][    C3]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   59.059942][    C3]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   59.059944][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   59.059945][    C3]  ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612)
[   59.059947][    C3]  ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3))
[   59.059949][    C3]  ? debug_object_free (lib/debugobjects.c:1033)
[   59.059953][    C3]  __netif_receive_skb_one_core (net/core/dev.c:6264)
[   59.059955][    C3]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[   59.059957][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059959][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059961][    C3]  process_backlog (net/core/dev.c:6728)
[   59.059963][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.059965][    C3]  __napi_poll (net/core/dev.c:7787)
[   59.059967][    C3]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   59.059970][    C3]  ? __napi_poll (./include/net/gro.h:507)
[   59.059972][    C3]  ? do_raw_spin_lock (kernel/locking/spinlock_debug.c:88 (discriminator 3) kernel/locking/spinlock_debug.c:115 (discriminator 3))
[   59.059974][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059975][    C3]  ? timerqueue_linked_add (./include/linux/rbtree.h:239 ./include/linux/rbtree.h:281 lib/timerqueue.c:96)
[   59.059978][    C3]  ? ktime_get_update_offsets_now (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:2859)
[   59.059981][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059983][    C3]  handle_softirqs (kernel/softirq.c:645)
[   59.059986][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059987][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   59.059989][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.059990][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.059992][    C3]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   59.059994][    C3]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   59.059996][    C3]  </IRQ>
[   59.059996][    C3]  <TASK>
[   59.059997][    C3]  __local_bh_enable_ip (kernel/softirq.c:473)
[   59.059999][    C3]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   59.060001][    C3]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   59.060004][    C3]  ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112)
[   59.060005][    C3]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   59.060009][    C3]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   59.060011][    C3]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   59.060015][    C3]  packet_snd (net/packet/af_packet.c:3110)
[   59.060019][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.060020][    C3]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   59.060022][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.060024][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.060025][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.060027][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.060029][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.060030][    C3]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   59.060033][    C3]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   59.060036][    C3]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   59.060038][    C3]  ? sock_ioctl (net/socket.c:1446)
[   59.060041][    C3]  ? __sys_setsockopt (net/socket.c:2422)
[   59.060044][    C3]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   59.060045][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   59.060046][    C3]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   59.060048][    C3]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   59.060049][    C3]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.060051][    C3]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.060053][    C3]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.060055][    C3] RIP: 0033:0x7fd218a3854e
[   59.060057][    C3] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.060058][    C3] RSP: 002b:00007ffca64782a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   59.060062][    C3] RAX: ffffffffffffffda RBX: 00005582780dbb52 RCX: 00007fd218a3854e
[   59.060064][    C3] RDX: 0000000000000094 RSI: 00005582780dbb52 RDI: 0000000000000005
[   59.060064][    C3] RBP: 00007ffca64782b0 R08: 00007ffca6478300 R09: 0000000000000014
[   59.060065][    C3] R10: 0000000000000000 R11: 0000000000000202 R12: 00005582780db830
[   59.060066][    C3] R13: 0000000000000094 R14: 0000000000000005 R15: 00005582780db830
| [   93.098059][    C3] softirqs last disabled at (0): 0x0
| [   93.098061][    C3] Preemption disabled at:
| [   93.098061][    C3] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   93.098072][    C3] Tainted: [W]=WARN
[   93.098073][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.098075][    C3] Call Trace:
[   93.098077][    C3]  <IRQ>
[   93.098078][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.098083][    C3]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   93.098085][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.098089][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.098092][    C3]  ? ip4_addr_string (lib/vsprintf.c:656 lib/vsprintf.c:1519)
[   93.098095][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098099][    C3]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   93.098103][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.098106][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.098109][    C3]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   93.098111][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.098113][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   93.098115][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.098116][    C3]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   93.098119][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   93.098122][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.098125][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.098126][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.098128][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098129][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098131][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.098133][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.098136][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.098138][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098139][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098141][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098143][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.098144][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   93.098146][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.098148][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.098151][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.098153][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.098154][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.098156][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098157][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.098159][    C3]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   93.098160][    C3]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   93.098162][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.098164][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.098166][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.098170][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.098172][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098174][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.098176][    C3]  _printk (kernel/printk/printk.c:2504)
[   93.098179][    C3]  ? snapshot_read.cold (user.c:?)
[   93.098181][    C3]  ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3))
[   93.098184][    C3]  ? idr_get_free (??:?)
[   93.098186][    C3]  ? csum_partial (lib/checksum.c:119)
[   93.098188][    C3]  ? skb_pull_rcsum (./include/linux/skbuff.h:4097 (discriminator 1) net/core/skbuff.c:4670 (discriminator 1))
[   93.098191][    C3]  ? 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)
[   93.098194][    C3] vxlan_ecn_decapsulate.cold (drivers/net/vxlan/vxlan_core.c:1636 (discriminator 3)) vxlan
[   93.098201][    C3] vxlan_rcv (drivers/net/vxlan/vxlan_core.c:1780) vxlan
[   93.098205][    C3]  ? fib_rules_unregister (net/core/fib_rules.c:189)
[   93.098209][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   93.098212][    C3]  ? csum_partial (lib/checksum.c:119)
[   93.098213][    C3]  ? skb_checksum (net/core/skbuff.c:3543)
[   93.098216][    C3]  ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan
[   93.098219][    C3]  ? udp_queue_rcv_one_skb (net/ipv4/udp.c:2390)
[   93.098222][    C3]  udp_queue_rcv_one_skb (net/ipv4/udp.c:2390)
[   93.098224][    C3]  ? fib_multipath_hash (net/ipv4/route.c:2083)
[   93.098227][    C3]  udp_unicast_rcv_skb (net/ipv4/udp.c:2578)
[   93.098229][    C3]  ? udp_rcv (net/ipv4/udp.c:742 (discriminator 3) net/ipv4/udp.c:2653 (discriminator 3))
[   93.098231][    C3]  udp_rcv (net/ipv4/udp.c:2655)
[   93.098233][    C3]  ? udp_sk_rx_dst_set (net/ipv4/udp.c:2453 (discriminator 1))
[   93.098235][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098237][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.098239][    C3]  ip_protocol_deliver_rcu (net/ipv4/ip_input.c:207)
[   93.098241][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   93.098243][    C3]  ip_local_deliver_finish (net/ipv4/ip_input.c:241 (discriminator 1))
[   93.098245][    C3]  ip_local_deliver (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:262)
[   93.098247][    C3]  ? ip_local_deliver_finish (net/ipv4/ip_input.c:232 (discriminator 42))
[   93.098249][    C3]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   93.098251][    C3]  ? ip_rcv_finish_core (./include/linux/skbuff.h:1162 (discriminator 2) ./include/net/route.h:88 (discriminator 2) net/ipv4/ip_input.c:435 (discriminator 2))
[   93.098252][    C3]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   93.098255][    C3]  ? rcu_read_lock_held (kernel/rcu/update.c:105 kernel/rcu/update.c:349)
[   93.098257][    C3]  ? process_backlog (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/dev.c:6726 (discriminator 2))
[   93.098258][    C3]  ip_rcv (./include/linux/netfilter.h:325 ./include/linux/netfilter.h:319 net/ipv4/ip_input.c:612)
[   93.098260][    C3]  ? ip_local_deliver (./include/linux/rcupdate.h:878 (discriminator 3))
[   93.098262][    C3]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:2102)
[   93.098266][    C3]  __netif_receive_skb_one_core (net/core/dev.c:6264)
[   93.098268][    C3]  ? trace_pelt_cfs_tp (./include/trace/events/sched.h:833 (discriminator 22))
[   93.098271][    C3]  ? __netif_receive_skb_list_core (net/core/dev.c:6310)
[   93.098273][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098274][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098276][    C3]  process_backlog (net/core/dev.c:6728)
[   93.098279][    C3]  __napi_poll (net/core/dev.c:7787)
[   93.098281][    C3]  net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007)
[   93.098284][    C3]  ? __napi_poll (./include/net/gro.h:507)
[   93.098286][    C3]  ? enqueue_task_fair (./arch/x86/include/asm/jump_label.h:37 ./include/linux/jump_label.h:206 kernel/sched/features.h:69 kernel/sched/sched.h:3178 kernel/sched/fair.c:7824 kernel/sched/fair.c:8060)
[   93.098288][    C3]  ? wakeup_preempt (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/thread_info.h:133 ./include/linux/sched.h:2102 ./include/linux/sched.h:2121 kernel/sched/core.c:2310)
[   93.098290][    C3]  ? trace_sched_wakeup (./include/trace/events/sched.h:178 (discriminator 22))
[   93.098293][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098295][    C3]  handle_softirqs (kernel/softirq.c:645)
[   93.098298][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   93.098299][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098301][    C3]  ? trace_csd_function_exit (./include/trace/events/csd.h:64 (discriminator 22))
[   93.098304][    C3]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   93.098305][    C3]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   93.098307][    C3]  </IRQ>
[   93.098308][    C3]  <TASK>
[   93.098308][    C3]  __local_bh_enable_ip (kernel/softirq.c:473)
[   93.098310][    C3]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   93.098312][    C3]  ? _copy_from_iter (./include/linux/instrumented.h:146 lib/iov_iter.c:66 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[   93.098315][    C3]  ? _copy_from_iter_flushcache (./include/linux/iov_iter.h:112)
[   93.098317][    C3]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   93.098320][    C3]  ? ref_tracker_alloc (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:252 ./include/linux/refcount.h:283 ./include/linux/refcount.h:366 ./include/linux/refcount.h:383 lib/ref_tracker.c:265)
[   93.098322][    C3]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   93.098326][    C3]  packet_snd (net/packet/af_packet.c:3110)
[   93.098330][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.098331][    C3]  ? tpacket_snd (net/packet/af_packet.c:2786 (discriminator 1))
[   93.098333][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098334][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.098336][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.098338][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.098339][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.098341][    C3]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   93.098344][    C3]  __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4))
[   93.098347][    C3]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   93.098349][    C3]  ? sock_ioctl (net/socket.c:1446)
[   93.098352][    C3]  ? __sys_setsockopt (net/socket.c:2422)
[   93.098354][    C3]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   93.098356][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.098357][    C3]  ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[   93.098359][    C3]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   93.098360][    C3]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   93.098362][    C3]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   93.098364][    C3]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.098366][    C3] RIP: 0033:0x7fe99301e54e
[   93.098368][    C3] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   93.098369][    C3] RSP: 002b:00007fffe81b9f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   93.098373][    C3] RAX: ffffffffffffffda RBX: 000055c0306a7b52 RCX: 00007fe99301e54e
[   93.098375][    C3] RDX: 0000000000000094 RSI: 000055c0306a7b52 RDI: 0000000000000005
[   93.098376][    C3] RBP: 00007fffe81b9f30 R08: 00007fffe81b9f80 R09: 0000000000000014
[   93.098376][    C3] R10: 0000000000000000 R11: 0000000000000202 R12: 000055c0306a7830
[   93.098377][    C3] R13: 0000000000000094 R14: 0000000000000005 R15: 000055c0306a7830
| [   94.312400][ T2714] softirqs last disabled at (0): 0x0
| [   94.312402][ T2714] Preemption disabled at:
| [   94.312403][ T2714] vprintk_emit (kernel/printk/printk.c:2471)
| [   94.312413][ T2714] Tainted: [W]=WARN
[   94.312414][ T2714] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.312416][ T2714] Call Trace:
[   94.312417][ T2714]  <TASK>
[   94.312419][ T2714]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   94.312424][ T2714]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   94.312426][ T2714]  __might_resched.cold (kernel/sched/core.c:9234)
[   94.312429][ T2714]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   94.312433][ T2714]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   94.312435][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312439][ T2714]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   94.312442][ T2714]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   94.312444][ T2714]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.312448][ T2714]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   94.312450][ T2714]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   94.312452][ T2714]  put_chars (drivers/char/virtio_console.c:1176)
[   94.312454][ T2714]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   94.312455][ T2714]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   94.312458][ T2714]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   94.312461][ T2714]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   94.312462][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312464][ T2714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.312466][ T2714]  console_emit_next_record (kernel/printk/printk.c:3183)
[   94.312468][ T2714]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   94.312470][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312472][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312473][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312475][ T2714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.312477][ T2714]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   94.312478][ T2714]  console_flush_one_record (kernel/printk/printk.c:3268)
[   94.312481][ T2714]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   94.312483][ T2714]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   94.312485][ T2714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.312486][ T2714]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   94.312488][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312489][ T2714]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.312491][ T2714]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   94.312492][ T2714]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   94.312494][ T2714]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   94.312496][ T2714]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   94.312498][ T2714]  vprintk_emit (kernel/printk/printk.c:2479)
[   94.312500][ T2714]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   94.312502][ T2714]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.312505][ T2714]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.312507][ T2714]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.312509][ T2714]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   94.312511][ T2714]  ? ___sys_sendmsg (net/socket.c:2767)
[   94.312513][ T2714]  ? __sys_sendmsg (net/socket.c:2799)
[   94.312514][ T2714]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.312517][ T2714]  _printk (kernel/printk/printk.c:2504)
[   94.312521][ T2714]  ? snapshot_read.cold (user.c:?)
[   94.312523][ T2714]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   94.312525][ T2714]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   94.312527][ T2714]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   94.312529][ T2714]  ? netdev_notice (net/core/dev.c:13194)
[   94.312531][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312532][ T2714]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   94.312534][ T2714]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   94.312536][ T2714]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   94.312538][ T2714]  ? 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)
[   94.312540][ T2714]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   94.312543][ T2714]  dev_set_allmulti (net/core/dev_api.c:315)
[   94.312545][ T2714] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   94.312557][ T2714]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   94.312561][ T2714]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   94.312563][ T2714] br_del_if (net/bridge/br_if.c:732) bridge
[   94.312570][ T2714]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   94.312573][ T2714]  do_set_master (net/core/rtnetlink.c:3055)
[   94.312575][ T2714]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   94.312577][ T2714]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   94.312580][ T2714]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   94.312581][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312583][ T2714]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   94.312586][ T2714]  ? kasan_save_stack (mm/kasan/common.c:58)
[   94.312589][ T2714]  ? kasan_save_stack (mm/kasan/common.c:57)
[   94.312590][ T2714]  ? kasan_save_track (mm/kasan/common.c:78)
[   94.312592][ T2714]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   94.312593][ T2714]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   94.312595][ T2714]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   94.312596][ T2714]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.312597][ T2714]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.312598][ T2714]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.312600][ T2714]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.312601][ T2714]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   94.312602][ T2714]  ? ___sys_sendmsg (net/socket.c:2767)
[   94.312603][ T2714]  ? __sys_sendmsg (net/socket.c:2799)
[   94.312605][ T2714]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.312606][ T2714]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.312609][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312610][ T2714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.312612][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312613][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312615][ T2714]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   94.312617][ T2714]  ? __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)
[   94.312619][ T2714]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   94.312620][ T2714]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   94.312622][ T2714]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   94.312623][ T2714]  ? nla_get_range_signed (lib/nlattr.c:270)
[   94.312625][ T2714]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   94.312627][ T2714]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   94.312629][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312631][ T2714]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.312632][ T2714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.312633][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312635][ T2714]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   94.312637][ T2714]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   94.312638][ T2714]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   94.312640][ T2714]  ? __kernel_text_address (kernel/extable.c:79)
[   94.312641][ T2714]  ? write_profile (profile.c:?)
[   94.312642][ T2714]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   94.312645][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312646][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312648][ T2714]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   94.312651][ T2714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.312653][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312654][ T2714]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   94.312655][ T2714]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   94.312657][ T2714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.312658][ T2714]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   94.312660][ T2714]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   94.312662][ T2714]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   94.312664][ T2714]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.312665][ T2714]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.312666][ T2714]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.312668][ T2714]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   94.312670][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312672][ T2714]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.312674][ T2714]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.312675][ T2714]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.312677][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312679][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312680][ T2714]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   94.312682][ T2714]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   94.312684][ T2714]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   94.312686][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312687][ T2714]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   94.312689][ T2714]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   94.312691][ T2714]  ? copy_msghdr_from_user (net/socket.c:2650)
[   94.312692][ T2714]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   94.312694][ T2714]  ? move_addr_to_kernel (net/socket.c:258)
[   94.312695][ T2714]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   94.312698][ T2714]  ___sys_sendmsg (net/socket.c:2767)
[   94.312700][ T2714]  ? copy_msghdr_from_user (net/socket.c:2619)
[   94.312706][ T2714]  __sys_sendmsg (net/socket.c:2799)
[   94.312708][ T2714]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   94.312711][ T2714]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   94.312713][ T2714]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   94.312714][ T2714]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   94.312716][ T2714]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.312718][ T2714] RIP: 0033:0x7ff54fb6f54e
[   94.312719][ T2714] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   94.312721][ T2714] RSP: 002b:00007ffd805e7440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   94.312725][ T2714] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff54fb6f54e
[   94.312727][ T2714] RDX: 0000000000000000 RSI: 00007ffd805e74f0 RDI: 0000000000000005
[   94.312731][ T2714] RBP: 00007ffd805e7450 R08: 0000000000000000 R09: 0000000000000000
[   94.312732][ T2714] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b12d
[   94.312733][ T2714] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd805e7bb0
| [   99.383600][ T2716] softirqs last disabled at (0): 0x0
| [   99.383602][ T2716] Preemption disabled at:
| [   99.383603][ T2716] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.383613][ T2716] Tainted: [W]=WARN
[   99.383614][ T2716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.383616][ T2716] Call Trace:
[   99.383617][ T2716]  <TASK>
[   99.383618][ T2716]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.383623][ T2716]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.383625][ T2716]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.383629][ T2716]  ? __module_address (kernel/module/main.c:3915)
[   99.383632][ T2716]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.383635][ T2716]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   99.383636][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383640][ T2716]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   99.383643][ T2716]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   99.383646][ T2716]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.383650][ T2716]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.383651][ T2716]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.383653][ T2716]  put_chars (drivers/char/virtio_console.c:1176)
[   99.383655][ T2716]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   99.383656][ T2716]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.383658][ T2716]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   99.383660][ T2716]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.383664][ T2716]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.383665][ T2716]  ? 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)
[   99.383667][ T2716]  ? vsnprintf (lib/vsprintf.c:2900)
[   99.383670][ T2716]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   99.383671][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383673][ T2716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.383675][ T2716]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.383678][ T2716]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.383680][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383681][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383683][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383684][ T2716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.383686][ T2716]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   99.383688][ T2716]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.383690][ T2716]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.383693][ T2716]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.383695][ T2716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.383696][ T2716]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.383698][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383699][ T2716]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.383701][ T2716]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   99.383702][ T2716]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   99.383704][ T2716]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.383707][ T2716]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.383708][ T2716]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.383711][ T2716]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.383713][ T2716]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   99.383714][ T2716]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   99.383716][ T2716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.383718][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383720][ T2716]  _printk (kernel/printk/printk.c:2504)
[   99.383723][ T2716]  ? snapshot_read.cold (user.c:?)
[   99.383725][ T2716]  ? br_multicast_flood (??:?) bridge
[   99.383743][ T2716]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   99.383746][ T2716]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.383747][ T2716]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.383749][ T2716] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   99.383759][ T2716] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   99.383767][ T2716] new_nbp (net/bridge/br_if.c:449) bridge
[   99.383775][ T2716] br_add_if (net/bridge/br_if.c:592) bridge
[   99.383782][ T2716]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   99.383785][ T2716]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   99.383787][ T2716]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   99.383789][ T2716]  ? __kernel_text_address (kernel/extable.c:79)
[   99.383791][ T2716]  do_set_master (net/core/rtnetlink.c:3071)
[   99.383794][ T2716]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   99.383796][ T2716]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   99.383797][ T2716]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   99.383799][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383805][ T2716]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   99.383809][ T2716]  ? kasan_save_stack (mm/kasan/common.c:58)
[   99.383811][ T2716]  ? kasan_save_stack (mm/kasan/common.c:57)
[   99.383813][ T2716]  ? kasan_save_track (mm/kasan/common.c:78)
[   99.383814][ T2716]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.383816][ T2716]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   99.383817][ T2716]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   99.383818][ T2716]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.383819][ T2716]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.383822][ T2716]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.383823][ T2716]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.383824][ T2716]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   99.383827][ T2716]  ? ___sys_sendmsg (net/socket.c:2767)
[   99.383828][ T2716]  ? __sys_sendmsg (net/socket.c:2799)
[   99.383830][ T2716]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.383832][ T2716]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.383834][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383836][ T2716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.383837][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383839][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383840][ T2716]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   99.383844][ T2716]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   99.383846][ T2716]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   99.383847][ T2716]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   99.383849][ T2716]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   99.383850][ T2716]  ? nla_get_range_signed (lib/nlattr.c:270)
[   99.383852][ T2716]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   99.383854][ T2716]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.383856][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383858][ T2716]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.383859][ T2716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.383860][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383862][ T2716]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   99.383864][ T2716]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   99.383866][ T2716]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   99.383867][ T2716]  ? __kernel_text_address (kernel/extable.c:79)
[   99.383868][ T2716]  ? write_profile (profile.c:?)
[   99.383869][ T2716]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   99.383872][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383874][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383875][ T2716]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   99.383879][ T2716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.383880][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383882][ T2716]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.383884][ T2716]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.383885][ T2716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.383886][ T2716]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   99.383888][ T2716]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   99.383890][ T2716]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.383891][ T2716]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.383893][ T2716]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.383894][ T2716]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.383896][ T2716]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   99.383898][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383900][ T2716]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.383902][ T2716]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.383903][ T2716]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.383905][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383907][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383908][ T2716]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.383910][ T2716]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.383912][ T2716]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.383914][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383916][ T2716]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.383917][ T2716]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   99.383919][ T2716]  ? copy_msghdr_from_user (net/socket.c:2650)
[   99.383921][ T2716]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   99.383922][ T2716]  ? move_addr_to_kernel (net/socket.c:258)
[   99.383924][ T2716]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   99.383926][ T2716]  ___sys_sendmsg (net/socket.c:2767)
[   99.383928][ T2716]  ? copy_msghdr_from_user (net/socket.c:2619)
[   99.383933][ T2716]  __sys_sendmsg (net/socket.c:2799)
[   99.383935][ T2716]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   99.383937][ T2716]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.383939][ T2716]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.383941][ T2716]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.383943][ T2716]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.383944][ T2716] RIP: 0033:0x7faa193b154e
[   99.383946][ T2716] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.383948][ T2716] RSP: 002b:00007ffda9b3ffd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.383952][ T2716] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007faa193b154e
[   99.383953][ T2716] RDX: 0000000000000000 RSI: 00007ffda9b40080 RDI: 0000000000000005
[   99.383954][ T2716] RBP: 00007ffda9b3ffe0 R08: 0000000000000000 R09: 0000000000000000
[   99.383955][ T2716] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b132
[   99.383956][ T2716] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda9b40740
| [  115.627107][ T3088] softirqs last disabled at (0): 0x0
| [  115.627108][ T3088] Preemption disabled at:
| [  115.627109][ T3088] dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
| [  115.627121][ T3088] Tainted: [W]=WARN
[  115.627122][ T3088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  115.627124][ T3088] Call Trace:
[  115.627125][ T3088]  <TASK>
[  115.627126][ T3088]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  115.627132][ T3088]  ? dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
[  115.627133][ T3088]  __might_resched.cold (kernel/sched/core.c:9234)
[  115.627137][ T3088]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  115.627141][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627145][ T3088]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  115.627149][ T3088]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  115.627152][ T3088]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  115.627156][ T3088]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  115.627157][ T3088]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  115.627159][ T3088]  put_chars (drivers/char/virtio_console.c:1176)
[  115.627161][ T3088]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  115.627163][ T3088]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  115.627165][ T3088]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  115.627168][ T3088]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  115.627171][ T3088]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  115.627172][ T3088]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  115.627174][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627175][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627177][ T3088]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.627179][ T3088]  console_emit_next_record (kernel/printk/printk.c:3183)
[  115.627182][ T3088]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  115.627184][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627185][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627187][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627189][ T3088]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.627191][ T3088]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  115.627192][ T3088]  console_flush_one_record (kernel/printk/printk.c:3268)
[  115.627194][ T3088]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  115.627197][ T3088]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  115.627199][ T3088]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.627200][ T3088]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  115.627202][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627204][ T3088]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  115.627205][ T3088]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  115.627206][ T3088]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  115.627208][ T3088]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  115.627210][ T3088]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  115.627212][ T3088]  vprintk_emit (kernel/printk/printk.c:2479)
[  115.627214][ T3088]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  115.627217][ T3088]  _printk (kernel/printk/printk.c:2504)
[  115.627220][ T3088]  ? snapshot_read.cold (user.c:?)
[  115.627222][ T3088]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  115.627225][ T3088]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  115.627226][ T3088]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  115.627228][ T3088]  ? netdev_notice (net/core/dev.c:13194)
[  115.627230][ T3088]  ? kasan_save_track (mm/kasan/common.c:78)
[  115.627233][ T3088]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  115.627234][ T3088]  ? __hw_addr_add_ex (./include/linux/slab.h:991 (discriminator 1) net/core/dev_addr_lists.c:62 (discriminator 1) net/core/dev_addr_lists.c:120 (discriminator 1))
[  115.627236][ T3088]  ? 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)
[  115.627239][ T3088]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  115.627242][ T3088]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  115.627245][ T3088]  dev_uc_add_excl (net/core/dev_addr_lists.c:801)
[  115.627246][ T3088]  ndo_dflt_fdb_add (net/core/rtnetlink.c:4740)
[  115.627250][ T3088]  ? __nla_parse (lib/nlattr.c:732)
[  115.627253][ T3088]  rtnl_fdb_add (net/core/rtnetlink.c:4845)
[  115.627254][ T3088]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  115.627256][ T3088]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  115.627257][ T3088]  ? rtnl_fdb_del (net/core/rtnetlink.c:4918 (discriminator 2))
[  115.627258][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627260][ T3088]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  115.627263][ T3088]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  115.627265][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627267][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627269][ T3088]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  115.627272][ T3088]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.627274][ T3088]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  115.627276][ T3088]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  115.627277][ T3088]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  115.627279][ T3088]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  115.627282][ T3088]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  115.627285][ T3088]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  115.627286][ T3088]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  115.627288][ T3088]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  115.627289][ T3088]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  115.627291][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627293][ T3088]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  115.627295][ T3088]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  115.627297][ T3088]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  115.627298][ T3088]  ? next_uptodate_folio (mm/filemap.c:3747)
[  115.627302][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627303][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627305][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627307][ T3088]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  115.627309][ T3088]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  115.627311][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627312][ T3088]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  115.627314][ T3088]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  115.627317][ T3088]  ? copy_msghdr_from_user (net/socket.c:2650)
[  115.627319][ T3088]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  115.627320][ T3088]  ? move_addr_to_kernel (net/socket.c:258)
[  115.627322][ T3088]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  115.627325][ T3088]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  115.627327][ T3088]  ___sys_sendmsg (net/socket.c:2767)
[  115.627329][ T3088]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  115.627331][ T3088]  ? copy_msghdr_from_user (net/socket.c:2619)
[  115.627333][ T3088]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  115.627337][ T3088]  __sys_sendmsg (net/socket.c:2799)
[  115.627339][ T3088]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  115.627342][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627344][ T3088]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  115.627346][ T3088]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  115.627348][ T3088]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  115.627350][ T3088]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  115.627352][ T3088] RIP: 0033:0x7feccb20454e
[  115.627354][ T3088] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  115.627356][ T3088] RSP: 002b:00007fff3f3e5860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  115.627360][ T3088] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feccb20454e
[  115.627361][ T3088] RDX: 0000000000000000 RSI: 00007fff3f3e5910 RDI: 0000000000000005
[  115.627362][ T3088] RBP: 00007fff3f3e5870 R08: 0000000000000000 R09: 0000000000000000
[  115.627362][ T3088] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b144
[  115.627363][ T3088] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  126.183636][ T3577] softirqs last disabled at (0): 0x0
| [  126.183638][ T3577] Preemption disabled at:
| [  126.183639][ T3577] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  126.183650][ T3577] Tainted: [W]=WARN
[  126.183651][ T3577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  126.183653][ T3577] Call Trace:
[  126.183654][ T3577]  <TASK>
[  126.183655][ T3577]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  126.183661][ T3577]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  126.183662][ T3577]  __might_resched.cold (kernel/sched/core.c:9234)
[  126.183666][ T3577]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  126.183669][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183673][ T3577]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  126.183676][ T3577]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  126.183679][ T3577]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.183683][ T3577]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  126.183684][ T3577]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  126.183686][ T3577]  put_chars (drivers/char/virtio_console.c:1176)
[  126.183688][ T3577]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  126.183690][ T3577]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  126.183693][ T3577]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  126.183696][ T3577]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  126.183698][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183699][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183701][ T3577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.183703][ T3577]  console_emit_next_record (kernel/printk/printk.c:3183)
[  126.183706][ T3577]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  126.183708][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183710][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183711][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183713][ T3577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.183715][ T3577]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  126.183716][ T3577]  console_flush_one_record (kernel/printk/printk.c:3268)
[  126.183718][ T3577]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  126.183721][ T3577]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  126.183723][ T3577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.183724][ T3577]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  126.183726][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183731][ T3577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.183733][ T3577]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  126.183735][ T3577]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  126.183738][ T3577]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  126.183741][ T3577]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  126.183744][ T3577]  vprintk_emit (kernel/printk/printk.c:2479)
[  126.183747][ T3577]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  126.183750][ T3577]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  126.183753][ T3577]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  126.183755][ T3577]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  126.183758][ T3577]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  126.183760][ T3577]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.183764][ T3577]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.183766][ T3577]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.183769][ T3577]  _printk (kernel/printk/printk.c:2504)
[  126.183773][ T3577]  ? snapshot_read.cold (user.c:?)
[  126.183776][ T3577]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  126.183780][ T3577]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  126.183783][ T3577]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  126.183785][ T3577]  ? netdev_notice (net/core/dev.c:13194)
[  126.183788][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183790][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183792][ T3577]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  126.183795][ T3577]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  126.183797][ T3577]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  126.183799][ T3577]  ? 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)
[  126.183802][ T3577]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  126.183806][ T3577]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  126.183809][ T3577]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  126.183811][ T3577]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  126.183813][ T3577]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.183815][ T3577]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  126.183817][ T3577]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  126.183818][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183820][ T3577]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  126.183824][ T3577]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  126.183827][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183830][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183831][ T3577]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  126.183835][ T3577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.183838][ T3577]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  126.183840][ T3577]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.183842][ T3577]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  126.183845][ T3577]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  126.183849][ T3577]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  126.183851][ T3577]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  126.183852][ T3577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.183854][ T3577]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  126.183856][ T3577]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  126.183859][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183861][ T3577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.183863][ T3577]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  126.183865][ T3577]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  126.183867][ T3577]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  126.183870][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183872][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183874][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183875][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183878][ T3577]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  126.183880][ T3577]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  126.183882][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183884][ T3577]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  126.183886][ T3577]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  126.183888][ T3577]  ? copy_msghdr_from_user (net/socket.c:2650)
[  126.183890][ T3577]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  126.183892][ T3577]  ? move_addr_to_kernel (net/socket.c:258)
[  126.183894][ T3577]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  126.183897][ T3577]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  126.183899][ T3577]  ___sys_sendmsg (net/socket.c:2767)
[  126.183900][ T3577]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  126.183903][ T3577]  ? copy_msghdr_from_user (net/socket.c:2619)
[  126.183905][ T3577]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  126.183910][ T3577]  __sys_sendmsg (net/socket.c:2799)
[  126.183912][ T3577]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  126.183921][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183923][ T3577]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  126.183925][ T3577]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  126.183928][ T3577]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  126.183930][ T3577]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  126.183932][ T3577] RIP: 0033:0x7f8c3ad2654e
[  126.183934][ T3577] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  126.183936][ T3577] RSP: 002b:00007fffea3f7400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  126.183940][ T3577] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8c3ad2654e
[  126.183941][ T3577] RDX: 0000000000000000 RSI: 00007fffea3f74b0 RDI: 0000000000000005
[  126.183942][ T3577] RBP: 00007fffea3f7410 R08: 0000000000000000 R09: 0000000000000000
[  126.183943][ T3577] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b14e
[  126.183944][ T3577] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  131.506475][ T3601] softirqs last disabled at (0): 0x0
| [  131.506476][ T3601] Preemption disabled at:
| [  131.506477][ T3601] vprintk_emit (kernel/printk/printk.c:2471)
| [  131.506488][ T3601] Tainted: [W]=WARN
[  131.506488][ T3601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  131.506490][ T3601] Call Trace:
[  131.506492][ T3601]  <TASK>
[  131.506493][ T3601]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  131.506498][ T3601]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  131.506500][ T3601]  __might_resched.cold (kernel/sched/core.c:9234)
[  131.506504][ T3601]  ? __module_address (kernel/module/main.c:3915)
[  131.506507][ T3601]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  131.506510][ T3601]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  131.506512][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506515][ T3601]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  131.506519][ T3601]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  131.506521][ T3601]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  131.506525][ T3601]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  131.506527][ T3601]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  131.506529][ T3601]  put_chars (drivers/char/virtio_console.c:1176)
[  131.506531][ T3601]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  131.506532][ T3601]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  131.506533][ T3601]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  131.506536][ T3601]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  131.506539][ T3601]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  131.506541][ T3601]  ? 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)
[  131.506542][ T3601]  ? vsnprintf (lib/vsprintf.c:2900)
[  131.506546][ T3601]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  131.506547][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506549][ T3601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.506551][ T3601]  console_emit_next_record (kernel/printk/printk.c:3183)
[  131.506553][ T3601]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  131.506555][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506557][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506558][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506560][ T3601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.506562][ T3601]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  131.506564][ T3601]  console_flush_one_record (kernel/printk/printk.c:3268)
[  131.506566][ T3601]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  131.506569][ T3601]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  131.506570][ T3601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.506572][ T3601]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  131.506573][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506575][ T3601]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.506576][ T3601]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  131.506578][ T3601]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  131.506580][ T3601]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  131.506582][ T3601]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  131.506584][ T3601]  vprintk_emit (kernel/printk/printk.c:2479)
[  131.506586][ T3601]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  131.506588][ T3601]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  131.506589][ T3601]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  131.506591][ T3601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.506592][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506595][ T3601]  _printk (kernel/printk/printk.c:2504)
[  131.506598][ T3601]  ? snapshot_read.cold (user.c:?)
[  131.506600][ T3601]  ? br_multicast_flood (??:?) bridge
[  131.506612][ T3601]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  131.506614][ T3601]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  131.506615][ T3601]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  131.506617][ T3601] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  131.506626][ T3601] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  131.506633][ T3601] new_nbp (net/bridge/br_if.c:449) bridge
[  131.506640][ T3601] br_add_if (net/bridge/br_if.c:592) bridge
[  131.506647][ T3601]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[  131.506650][ T3601]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  131.506652][ T3601]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  131.506654][ T3601]  ? __kernel_text_address (kernel/extable.c:79)
[  131.506656][ T3601]  do_set_master (net/core/rtnetlink.c:3071)
[  131.506659][ T3601]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  131.506661][ T3601]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  131.506662][ T3601]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  131.506663][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506665][ T3601]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  131.506669][ T3601]  ? kasan_save_stack (mm/kasan/common.c:58)
[  131.506672][ T3601]  ? kasan_save_stack (mm/kasan/common.c:57)
[  131.506673][ T3601]  ? kasan_save_track (mm/kasan/common.c:78)
[  131.506675][ T3601]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  131.506676][ T3601]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  131.506677][ T3601]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  131.506678][ T3601]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  131.506679][ T3601]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  131.506682][ T3601]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  131.506683][ T3601]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  131.506685][ T3601]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  131.506687][ T3601]  ? ___sys_sendmsg (net/socket.c:2767)
[  131.506689][ T3601]  ? __sys_sendmsg (net/socket.c:2799)
[  131.506690][ T3601]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  131.506692][ T3601]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  131.506695][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506697][ T3601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.506698][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506700][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506701][ T3601]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  131.506705][ T3601]  ? __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)
[  131.506707][ T3601]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  131.506708][ T3601]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  131.506710][ T3601]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  131.506711][ T3601]  ? nla_get_range_signed (lib/nlattr.c:270)
[  131.506713][ T3601]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  131.506715][ T3601]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  131.506717][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506719][ T3601]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  131.506720][ T3601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.506722][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506724][ T3601]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  131.506725][ T3601]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  131.506727][ T3601]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  131.506731][ T3601]  ? __kernel_text_address (kernel/extable.c:79)
[  131.506733][ T3601]  ? write_profile (profile.c:?)
[  131.506734][ T3601]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  131.506737][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506739][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506741][ T3601]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  131.506744][ T3601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.506745][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506747][ T3601]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  131.506749][ T3601]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  131.506751][ T3601]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  131.506752][ T3601]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  131.506753][ T3601]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  131.506756][ T3601]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  131.506757][ T3601]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  131.506759][ T3601]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.506760][ T3601]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  131.506762][ T3601]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  131.506764][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506766][ T3601]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.506768][ T3601]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  131.506770][ T3601]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  131.506772][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506773][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506775][ T3601]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.506777][ T3601]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  131.506779][ T3601]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  131.506781][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506782][ T3601]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.506784][ T3601]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  131.506786][ T3601]  ? copy_msghdr_from_user (net/socket.c:2650)
[  131.506787][ T3601]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  131.506789][ T3601]  ? move_addr_to_kernel (net/socket.c:258)
[  131.506790][ T3601]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  131.506793][ T3601]  ___sys_sendmsg (net/socket.c:2767)
[  131.506795][ T3601]  ? copy_msghdr_from_user (net/socket.c:2619)
[  131.506799][ T3601]  __sys_sendmsg (net/socket.c:2799)
[  131.506801][ T3601]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  131.506804][ T3601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.506806][ T3601]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  131.506807][ T3601]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  131.506809][ T3601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  131.506811][ T3601] RIP: 0033:0x7f54f9b4a54e
[  131.506812][ T3601] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  131.506814][ T3601] RSP: 002b:00007ffd0f423950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  131.506818][ T3601] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f54f9b4a54e
[  131.506820][ T3601] RDX: 0000000000000000 RSI: 00007ffd0f423a00 RDI: 0000000000000005
[  131.506820][ T3601] RBP: 00007ffd0f423960 R08: 0000000000000000 R09: 0000000000000000
[  131.506821][ T3601] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b153
[  131.506822][ T3601] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd0f4240c0
| [  221.243176][ T4511] softirqs last disabled at (0): 0x0
| [  221.243178][ T4511] Preemption disabled at:
| [  221.243179][ T4511] vprintk_emit (kernel/printk/printk.c:2471)
| [  221.243190][ T4511] Tainted: [W]=WARN
[  221.243191][ T4511] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  221.243192][ T4511] Call Trace:
[  221.243194][ T4511]  <TASK>
[  221.243195][ T4511]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  221.243200][ T4511]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  221.243202][ T4511]  __might_resched.cold (kernel/sched/core.c:9234)
[  221.243206][ T4511]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  221.243209][ T4511]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  221.243212][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243216][ T4511]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  221.243219][ T4511]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  221.243222][ T4511]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.243226][ T4511]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  221.243228][ T4511]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  221.243230][ T4511]  put_chars (drivers/char/virtio_console.c:1176)
[  221.243232][ T4511]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  221.243233][ T4511]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  221.243236][ T4511]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  221.243239][ T4511]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  221.243240][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243242][ T4511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.243244][ T4511]  console_emit_next_record (kernel/printk/printk.c:3183)
[  221.243247][ T4511]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  221.243249][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243250][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243252][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243253][ T4511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.243255][ T4511]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  221.243257][ T4511]  console_flush_one_record (kernel/printk/printk.c:3268)
[  221.243259][ T4511]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  221.243262][ T4511]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  221.243263][ T4511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.243265][ T4511]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  221.243267][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243268][ T4511]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.243270][ T4511]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  221.243271][ T4511]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  221.243273][ T4511]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  221.243275][ T4511]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  221.243277][ T4511]  vprintk_emit (kernel/printk/printk.c:2479)
[  221.243279][ T4511]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  221.243281][ T4511]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  221.243283][ T4511]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.243286][ T4511]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.243288][ T4511]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  221.243290][ T4511]  ? ___sys_sendmsg (net/socket.c:2767)
[  221.243291][ T4511]  ? __sys_sendmsg (net/socket.c:2799)
[  221.243293][ T4511]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.243296][ T4511]  _printk (kernel/printk/printk.c:2504)
[  221.243299][ T4511]  ? snapshot_read.cold (user.c:?)
[  221.243301][ T4511]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  221.243304][ T4511]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  221.243306][ T4511]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  221.243307][ T4511]  ? netdev_notice (net/core/dev.c:13194)
[  221.243309][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243311][ T4511]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  221.243313][ T4511]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  221.243315][ T4511]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  221.243316][ T4511]  ? 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)
[  221.243326][ T4511]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  221.243329][ T4511]  dev_set_allmulti (net/core/dev_api.c:315)
[  221.243331][ T4511] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  221.243343][ T4511]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  221.243347][ T4511]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  221.243350][ T4511] br_del_if (net/bridge/br_if.c:732) bridge
[  221.243357][ T4511]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  221.243359][ T4511]  do_set_master (net/core/rtnetlink.c:3055)
[  221.243361][ T4511]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  221.243364][ T4511]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  221.243366][ T4511]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  221.243367][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243369][ T4511]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  221.243373][ T4511]  ? kasan_save_stack (mm/kasan/common.c:58)
[  221.243375][ T4511]  ? kasan_save_stack (mm/kasan/common.c:57)
[  221.243377][ T4511]  ? kasan_save_track (mm/kasan/common.c:78)
[  221.243378][ T4511]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  221.243380][ T4511]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  221.243381][ T4511]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  221.243382][ T4511]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  221.243383][ T4511]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  221.243384][ T4511]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.243386][ T4511]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.243387][ T4511]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  221.243388][ T4511]  ? ___sys_sendmsg (net/socket.c:2767)
[  221.243390][ T4511]  ? __sys_sendmsg (net/socket.c:2799)
[  221.243391][ T4511]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.243392][ T4511]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.243395][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243396][ T4511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.243398][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243399][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243401][ T4511]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  221.243403][ T4511]  ? __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)
[  221.243405][ T4511]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  221.243407][ T4511]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  221.243408][ T4511]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  221.243409][ T4511]  ? nla_get_range_signed (lib/nlattr.c:270)
[  221.243412][ T4511]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  221.243414][ T4511]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  221.243416][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243417][ T4511]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.243418][ T4511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.243420][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243422][ T4511]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  221.243423][ T4511]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  221.243425][ T4511]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  221.243426][ T4511]  ? __kernel_text_address (kernel/extable.c:79)
[  221.243428][ T4511]  ? write_profile (profile.c:?)
[  221.243429][ T4511]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  221.243431][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243433][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243435][ T4511]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  221.243438][ T4511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.243439][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243441][ T4511]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  221.243442][ T4511]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  221.243444][ T4511]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.243445][ T4511]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  221.243446][ T4511]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  221.243449][ T4511]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  221.243450][ T4511]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  221.243451][ T4511]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.243453][ T4511]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  221.243454][ T4511]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  221.243456][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243458][ T4511]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.243460][ T4511]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  221.243462][ T4511]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  221.243464][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243465][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243467][ T4511]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  221.243469][ T4511]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  221.243471][ T4511]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  221.243472][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243474][ T4511]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  221.243476][ T4511]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  221.243478][ T4511]  ? copy_msghdr_from_user (net/socket.c:2650)
[  221.243479][ T4511]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  221.243481][ T4511]  ? move_addr_to_kernel (net/socket.c:258)
[  221.243482][ T4511]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  221.243485][ T4511]  ___sys_sendmsg (net/socket.c:2767)
[  221.243486][ T4511]  ? copy_msghdr_from_user (net/socket.c:2619)
[  221.243491][ T4511]  __sys_sendmsg (net/socket.c:2799)
[  221.243493][ T4511]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  221.243496][ T4511]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  221.243498][ T4511]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  221.243499][ T4511]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  221.243501][ T4511]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  221.243503][ T4511] RIP: 0033:0x7f2d59f8c54e
[  221.243505][ T4511] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  221.243506][ T4511] RSP: 002b:00007ffee0914420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  221.243510][ T4511] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2d59f8c54e
[  221.243512][ T4511] RDX: 0000000000000000 RSI: 00007ffee09144d0 RDI: 0000000000000005
[  221.243512][ T4511] RBP: 00007ffee0914430 R08: 0000000000000000 R09: 0000000000000000
[  221.243513][ T4511] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b1ac
[  221.243514][ T4511] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee0914b90
| [  226.321817][ T4513] softirqs last disabled at (0): 0x0
| [  226.321819][ T4513] Preemption disabled at:
| [  226.321819][ T4513] vprintk_emit (kernel/printk/printk.c:2471)
| [  226.321831][ T4513] Tainted: [W]=WARN
[  226.321832][ T4513] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  226.321834][ T4513] Call Trace:
[  226.321835][ T4513]  <TASK>
[  226.321836][ T4513]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  226.321841][ T4513]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  226.321843][ T4513]  __might_resched.cold (kernel/sched/core.c:9234)
[  226.321847][ T4513]  ? __module_address (kernel/module/main.c:3915)
[  226.321850][ T4513]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  226.321853][ T4513]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  226.321855][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.321858][ T4513]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  226.321862][ T4513]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  226.321864][ T4513]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.321868][ T4513]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  226.321869][ T4513]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  226.321871][ T4513]  put_chars (drivers/char/virtio_console.c:1176)
[  226.321873][ T4513]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  226.321874][ T4513]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  226.321876][ T4513]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  226.321878][ T4513]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  226.321882][ T4513]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  226.321883][ T4513]  ? 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)
[  226.321884][ T4513]  ? vsnprintf (lib/vsprintf.c:2900)
[  226.321888][ T4513]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  226.321889][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.321891][ T4513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.321893][ T4513]  console_emit_next_record (kernel/printk/printk.c:3183)
[  226.321895][ T4513]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  226.321897][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.321899][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.321900][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.321902][ T4513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.321904][ T4513]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  226.321905][ T4513]  console_flush_one_record (kernel/printk/printk.c:3268)
[  226.321908][ T4513]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  226.321910][ T4513]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  226.321912][ T4513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.321913][ T4513]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  226.321915][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.321916][ T4513]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.321918][ T4513]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  226.321919][ T4513]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  226.321921][ T4513]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  226.321923][ T4513]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  226.321925][ T4513]  vprintk_emit (kernel/printk/printk.c:2479)
[  226.321928][ T4513]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  226.321929][ T4513]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  226.321931][ T4513]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  226.321932][ T4513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.321934][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.321936][ T4513]  _printk (kernel/printk/printk.c:2504)
[  226.321939][ T4513]  ? snapshot_read.cold (user.c:?)
[  226.321941][ T4513]  ? br_multicast_flood (??:?) bridge
[  226.321953][ T4513]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  226.321955][ T4513]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  226.321957][ T4513]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.321958][ T4513] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  226.321967][ T4513] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  226.321974][ T4513] new_nbp (net/bridge/br_if.c:449) bridge
[  226.321981][ T4513] br_add_if (net/bridge/br_if.c:592) bridge
[  226.321988][ T4513]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[  226.321991][ T4513]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  226.321993][ T4513]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  226.321995][ T4513]  ? __kernel_text_address (kernel/extable.c:79)
[  226.321997][ T4513]  do_set_master (net/core/rtnetlink.c:3071)
[  226.322000][ T4513]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  226.322001][ T4513]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  226.322003][ T4513]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  226.322004][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322006][ T4513]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  226.322009][ T4513]  ? kasan_save_stack (mm/kasan/common.c:58)
[  226.322012][ T4513]  ? kasan_save_stack (mm/kasan/common.c:57)
[  226.322014][ T4513]  ? kasan_save_track (mm/kasan/common.c:78)
[  226.322015][ T4513]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  226.322016][ T4513]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  226.322018][ T4513]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  226.322019][ T4513]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.322020][ T4513]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  226.322022][ T4513]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  226.322024][ T4513]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  226.322025][ T4513]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  226.322027][ T4513]  ? ___sys_sendmsg (net/socket.c:2767)
[  226.322029][ T4513]  ? __sys_sendmsg (net/socket.c:2799)
[  226.322030][ T4513]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  226.322032][ T4513]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  226.322034][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322036][ T4513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.322038][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322039][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322041][ T4513]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  226.322044][ T4513]  ? __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)
[  226.322046][ T4513]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  226.322047][ T4513]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  226.322049][ T4513]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  226.322050][ T4513]  ? nla_get_range_signed (lib/nlattr.c:270)
[  226.322052][ T4513]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  226.322054][ T4513]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  226.322056][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322058][ T4513]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.322059][ T4513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.322061][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322062][ T4513]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  226.322064][ T4513]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  226.322066][ T4513]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  226.322067][ T4513]  ? __kernel_text_address (kernel/extable.c:79)
[  226.322068][ T4513]  ? write_profile (profile.c:?)
[  226.322069][ T4513]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  226.322072][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322073][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322075][ T4513]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  226.322078][ T4513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.322080][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322081][ T4513]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  226.322083][ T4513]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  226.322084][ T4513]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.322086][ T4513]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  226.322087][ T4513]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  226.322089][ T4513]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  226.322091][ T4513]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  226.322092][ T4513]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.322094][ T4513]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  226.322095][ T4513]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  226.322097][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322099][ T4513]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.322101][ T4513]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  226.322103][ T4513]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  226.322104][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322106][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322108][ T4513]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  226.322109][ T4513]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  226.322111][ T4513]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  226.322113][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322115][ T4513]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  226.322117][ T4513]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  226.322118][ T4513]  ? copy_msghdr_from_user (net/socket.c:2650)
[  226.322120][ T4513]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  226.322121][ T4513]  ? move_addr_to_kernel (net/socket.c:258)
[  226.322123][ T4513]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  226.322125][ T4513]  ___sys_sendmsg (net/socket.c:2767)
[  226.322127][ T4513]  ? copy_msghdr_from_user (net/socket.c:2619)
[  226.322132][ T4513]  __sys_sendmsg (net/socket.c:2799)
[  226.322133][ T4513]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  226.322136][ T4513]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  226.322138][ T4513]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  226.322139][ T4513]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  226.322141][ T4513]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  226.322143][ T4513] RIP: 0033:0x7f80107fa54e
[  226.322145][ T4513] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  226.322147][ T4513] RSP: 002b:00007fff62e7db50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  226.322151][ T4513] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f80107fa54e
[  226.322152][ T4513] RDX: 0000000000000000 RSI: 00007fff62e7dc00 RDI: 0000000000000005
[  226.322153][ T4513] RBP: 00007fff62e7db60 R08: 0000000000000000 R09: 0000000000000000
[  226.322154][ T4513] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b1b1
[  226.322155][ T4513] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff62e7e2c0
| [  232.567502][   T68] softirqs last disabled at (27900): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  232.567505][   T68] Preemption disabled at:
| [  232.567505][   T68] vprintk_emit (kernel/printk/printk.c:2471)
| [  232.567517][   T68] Tainted: [W]=WARN
[  232.567518][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  232.567519][   T68] Workqueue: netns cleanup_net
[  232.567525][   T68] Call Trace:
[  232.567527][   T68]  <TASK>
[  232.567528][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  232.567534][   T68]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  232.567536][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[  232.567539][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  232.567543][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.567546][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  232.567550][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  232.567552][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.567556][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  232.567558][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  232.567560][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[  232.567561][   T68]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  232.567563][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  232.567565][   T68]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  232.567567][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  232.567571][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  232.567572][   T68]  ? 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)
[  232.567573][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  232.567575][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.567577][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.567578][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.567581][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[  232.567583][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  232.567585][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.567587][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.567588][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.567590][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.567592][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  232.567593][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[  232.567596][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  232.567598][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  232.567600][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.567602][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  232.567603][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.567605][   T68]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  232.567606][   T68]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  232.567608][   T68]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  232.567610][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  232.567612][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  232.567614][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[  232.567616][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  232.567618][   T68]  ? process_one_work (kernel/workqueue.c:3387)
[  232.567620][   T68]  ? kthread (kernel/kthread.c:436)
[  232.567622][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  232.567625][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  232.567627][   T68]  _printk (kernel/printk/printk.c:2504)
[  232.567630][   T68]  ? snapshot_read.cold (user.c:?)
[  232.567632][   T68]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  232.567635][   T68]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  232.567636][   T68]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  232.567638][   T68]  ? netdev_notice (net/core/dev.c:13194)
[  232.567640][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.567642][   T68]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  232.567644][   T68]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  232.567646][   T68]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  232.567647][   T68]  ? 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)
[  232.567650][   T68]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  232.567653][   T68]  dev_set_allmulti (net/core/dev_api.c:315)
[  232.567655][   T68] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  232.567669][   T68] br_dev_delete (net/bridge/br_if.c:387) bridge
[  232.567677][   T68] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  232.567685][   T68]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  232.567687][   T68]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  232.567689][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  232.567692][   T68]  cleanup_net (net/core/net_namespace.c:706)
[  232.567694][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[  232.567696][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  232.567697][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  232.567701][   T68]  process_one_work (kernel/workqueue.c:3387)
[  232.567704][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  232.567708][   T68]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  232.567712][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  232.567714][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  232.567716][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  232.567718][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  232.567720][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  232.567721][   T68]  kthread (kernel/kthread.c:436)
[  232.567723][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  232.567724][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  232.567726][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[  232.567731][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  232.567733][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  232.567735][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
dev_uc_del:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
dev_uc_add_excl:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars