======================================
| [   10.042361][  T220] softirqs last disabled at (25645): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.042364][  T220] Preemption disabled at:
| [   10.042364][  T220] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.042373][  T220] Tainted: [W]=WARN
[   10.042374][  T220] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.042376][  T220] Call Trace:
[   10.042378][  T220]  <TASK>
[   10.042379][  T220]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.042385][  T220]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.042387][  T220]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.042392][  T220]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.042396][  T220]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.042401][  T220]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.042403][  T220]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.042409][  T220]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.042412][  T220]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.042415][  T220]  put_chars (drivers/char/virtio_console.c:1176)
[   10.042417][  T220]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.042419][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.042423][  T220]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.042426][  T220]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.042430][  T220]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.042433][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.042438][  T220]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.042440][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.042445][  T220]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.042449][  T220]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.042451][  T220]  ? 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))
[   10.042454][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.042456][  T220]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.042460][  T220]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.042464][  T220]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.042466][  T220]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.042471][  T220]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.042474][  T220]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.042476][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.042478][  T220]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.042481][  T220]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.042483][  T220]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.042486][  T220]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.042490][  T220]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.042498][  T220]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.042502][  T220]  _printk (kernel/printk/printk.c:2504)
[   10.042506][  T220]  ? snapshot_read.cold (user.c:?)
[   10.042512][  T220]  ? 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)
[   10.042515][  T220] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   10.042518][  T220]  do_one_initcall (init/main.c:1357)
[   10.042521][  T220]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.042525][  T220]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.042528][  T220]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.042532][  T220]  do_init_module (kernel/module/main.c:3117)
[   10.042536][  T220]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.042540][  T220]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.042543][  T220]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.042547][  T220]  load_module (kernel/module/main.c:3593)
[   10.042554][  T220]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.042558][  T220]  ? __ia32_sys_fsconfig (??:?)
[   10.042561][  T220]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.042565][  T220]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.042568][  T220]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.042572][  T220]  init_module_from_file (kernel/module/main.c:3790)
[   10.042575][  T220]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.042582][  T220]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.042586][  T220]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.042589][  T220]  idempotent_init_module (kernel/module/main.c:3802)
[   10.042592][  T220]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.042598][  T220]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.042600][  T220]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.042606][  T220]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.042608][  T220]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.042612][  T220]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.042613][  T220]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.042616][  T220]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.042618][  T220] RIP: 0033:0x7f0d57be337d
[   10.042622][  T220] 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
[   10.042624][  T220] RSP: 002b:00007ffea8768cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.042627][  T220] RAX: ffffffffffffffda RBX: 000055b87201b810 RCX: 00007f0d57be337d
[   10.042628][  T220] RDX: 0000000000000000 RSI: 000055b837a3dffd RDI: 0000000000000000
[   10.042629][  T220] RBP: 00007ffea8768d90 R08: 0000000000000000 R09: 0000000000000000
[   10.042630][  T220] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b837a3dffd
[   10.042631][  T220] R13: 000055b87201b960 R14: 0000000000040000 R15: 0000000000000000
| [   11.062012][   T46] softirqs last disabled at (48668): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   11.062020][   T46] Preemption disabled at:
| [   11.062021][   T46] 0x0
| [   11.062032][   T46] Tainted: [W]=WARN
[   11.062033][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.062035][   T46] Workqueue: events_unbound linkwatch_event
[   11.062038][   T46] Call Trace:
[   11.062040][   T46]  <TASK>
[   11.062042][   T46]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.062048][   T46]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.062053][   T46]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.062057][   T46]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.062063][   T46]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.062065][   T46]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.062071][   T46]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.062074][   T46]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.062077][   T46]  put_chars (drivers/char/virtio_console.c:1176)
[   11.062080][   T46]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.062081][   T46]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   11.062086][   T46]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.062089][   T46]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.062092][   T46]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.062094][   T46]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.062095][   T46]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.062100][   T46]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.062101][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.062105][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.062110][   T46]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.062113][   T46]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.062115][   T46]  ? 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))
[   11.062118][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.062123][   T46]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.062127][   T46]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.062131][   T46]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.062133][   T46]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.062138][   T46]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.062141][   T46]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.062143][   T46]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.062145][   T46]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.062149][   T46]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.062151][   T46]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.062155][   T46]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.062159][   T46]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.062165][   T46]  _printk (kernel/printk/printk.c:2504)
[   11.062168][   T46]  ? snapshot_read.cold (user.c:?)
[   11.062179][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.062183][   T46] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.062193][   T46] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.062201][   T46] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   11.062209][   T46] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   11.062218][   T46] br_device_event (net/bridge/br.c:101) bridge
[   11.062226][   T46]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   11.062229][   T46]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   11.062236][   T46]  notifier_call_chain (kernel/notifier.c:85)
[   11.062242][   T46]  netif_state_change (net/core/dev.c:1625)
[   11.062246][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   11.062251][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.062253][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.062257][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.062259][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.062264][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.062266][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   11.062269][   T46]  process_one_work (kernel/workqueue.c:3387)
[   11.062276][   T46]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   11.062279][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.062287][   T46]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   11.062294][   T46]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   11.062296][   T46]  kthread (kernel/kthread.c:436)
[   11.062299][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.062301][   T46]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.062304][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.062308][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   11.062312][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.062315][   T46]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   11.062318][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   17.922701][  T337] softirqs last disabled at (14802): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   17.922708][  T337] Preemption disabled at:
| [   17.922709][  T337] 0x0
| [   17.922720][  T337] Tainted: [W]=WARN
[   17.922720][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.922723][  T337] Call Trace:
[   17.922724][  T337]  <TASK>
[   17.922726][  T337]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.922732][  T337]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.922737][  T337]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.922741][  T337]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.922746][  T337]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   17.922748][  T337]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.922754][  T337]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   17.922757][  T337]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.922760][  T337]  put_chars (drivers/char/virtio_console.c:1176)
[   17.922763][  T337]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.922764][  T337]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   17.922768][  T337]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   17.922772][  T337]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.922774][  T337]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   17.922776][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.922778][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.922782][  T337]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.922783][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.922787][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.922791][  T337]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.922794][  T337]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.922796][  T337]  ? 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))
[   17.922799][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.922803][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.922807][  T337]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.922811][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.922813][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.922818][  T337]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.922820][  T337]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.922822][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.922825][  T337]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.922828][  T337]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.922830][  T337]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.922833][  T337]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.922837][  T337]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.922839][  T337]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   17.922842][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.922844][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.922848][  T337]  _printk (kernel/printk/printk.c:2504)
[   17.922852][  T337]  ? snapshot_read.cold (user.c:?)
[   17.922859][  T337] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   17.922870][  T337] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   17.922879][  T337] br_device_event (net/bridge/br.c:111) bridge
[   17.922887][  T337]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   17.922891][  T337]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   17.922896][  T337]  notifier_call_chain (kernel/notifier.c:85)
[   17.922902][  T337]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   17.922907][  T337]  ? netif_change_name (net/core/dev.c:1517)
[   17.922911][  T337]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   17.922913][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   17.922916][  T337]  ? write_profile (profile.c:?)
[   17.922918][  T337]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   17.922923][  T337]  netif_change_flags (net/core/dev.c:9882)
[   17.922927][  T337]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   17.922930][  T337]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   17.922932][  T337]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   17.922933][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   17.922935][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   17.922939][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.922941][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.922943][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.922946][  T337]  ? kasan_save_stack (mm/kasan/common.c:58)
[   17.922949][  T337]  ? kasan_save_stack (mm/kasan/common.c:57)
[   17.922951][  T337]  ? kasan_save_track (mm/kasan/common.c:78)
[   17.922953][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.922955][  T337]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   17.922958][  T337]  ? ___sys_sendmsg (net/socket.c:2757)
[   17.922962][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.922964][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.922967][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.922969][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.922970][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.922972][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.922974][  T337]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   17.922978][  T337]  ? __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)
[   17.922980][  T337]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   17.922982][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   17.922985][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.922990][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   17.922995][  T337]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   17.923001][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.923002][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.923007][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.923008][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.923011][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.923012][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   17.923016][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   17.923018][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   17.923021][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.923022][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.923027][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.923029][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   17.923032][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   17.923034][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   17.923037][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   17.923043][  T337]  ? 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))
[   17.923044][  T337]  ? 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))
[   17.923048][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   17.923052][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.923055][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.923059][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   17.923062][  T337]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   17.923066][  T337]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   17.923072][  T337]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   17.923074][  T337]  ? copy_msghdr_from_user (net/socket.c:2650)
[   17.923076][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   17.923078][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   17.923085][  T337]  ___sys_sendmsg (net/socket.c:2767)
[   17.923088][  T337]  ? copy_msghdr_from_user (net/socket.c:2619)
[   17.923103][  T337]  __sys_sendmsg (net/socket.c:2799)
[   17.923106][  T337]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   17.923112][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.923115][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   17.923118][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   17.923121][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   17.923123][  T337] RIP: 0033:0x7ff01bd8654e
[   17.923125][  T337] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   17.923127][  T337] RSP: 002b:00007ffcc5896c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   17.923130][  T337] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff01bd8654e
[   17.923131][  T337] RDX: 0000000000000000 RSI: 00007ffcc5896cf0 RDI: 0000000000000005
[   17.923132][  T337] RBP: 00007ffcc5896c50 R08: 0000000000000000 R09: 0000000000000000
[   17.923133][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91074b
[   17.923134][  T337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc58973b0
| [   23.164977][  T347] softirqs last disabled at (12126): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   23.164985][  T347] Preemption disabled at:
| [   23.164986][  T347] 0x0
| [   23.164996][  T347] Tainted: [W]=WARN
[   23.164996][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.164998][  T347] Call Trace:
[   23.165000][  T347]  <TASK>
[   23.165001][  T347]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.165008][  T347]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.165012][  T347]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.165017][  T347]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.165022][  T347]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.165024][  T347]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.165030][  T347]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.165033][  T347]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.165036][  T347]  put_chars (drivers/char/virtio_console.c:1176)
[   23.165038][  T347]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   23.165040][  T347]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.165043][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.165046][  T347]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.165051][  T347]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.165053][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.165055][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.165060][  T347]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.165061][  T347]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   23.165064][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.165067][  T347]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.165071][  T347]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.165075][  T347]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.165077][  T347]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   23.165080][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.165082][  T347]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.165086][  T347]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.165091][  T347]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.165092][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.165098][  T347]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.165101][  T347]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.165103][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.165105][  T347]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.165109][  T347]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.165110][  T347]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.165114][  T347]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.165118][  T347]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.165121][  T347]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.165124][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.165127][  T347]  _printk (kernel/printk/printk.c:2504)
[   23.165131][  T347]  ? snapshot_read.cold (user.c:?)
[   23.165139][  T347] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   23.165149][  T347] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   23.165158][  T347] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   23.165166][  T347] br_dev_stop (net/bridge/br_device.c:193) bridge
[   23.165175][  T347]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   23.165178][  T347]  __dev_close_many (net/core/dev.c:1798)
[   23.165182][  T347]  ? netif_open (net/core/dev.c:1755)
[   23.165188][  T347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.165191][  T347]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   23.165195][  T347]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   23.165199][  T347]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   23.165202][  T347]  ? __kernel_text_address (kernel/extable.c:79)
[   23.165204][  T347]  ? write_profile (profile.c:?)
[   23.165206][  T347]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.165211][  T347]  netif_change_flags (net/core/dev.c:9877)
[   23.165215][  T347]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   23.165219][  T347]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   23.165221][  T347]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   23.165222][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.165224][  T347]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.165228][  T347]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.165230][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.165232][  T347]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.165235][  T347]  ? kasan_save_stack (mm/kasan/common.c:58)
[   23.165238][  T347]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.165240][  T347]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.165243][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.165244][  T347]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   23.165247][  T347]  ? ___sys_sendmsg (net/socket.c:2757)
[   23.165252][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.165254][  T347]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.165257][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.165259][  T347]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.165261][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.165263][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.165265][  T347]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   23.165269][  T347]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   23.165272][  T347]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   23.165274][  T347]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   23.165278][  T347]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   23.165283][  T347]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   23.165288][  T347]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   23.165294][  T347]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.165296][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.165300][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.165302][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.165304][  T347]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.165306][  T347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   23.165310][  T347]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   23.165312][  T347]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   23.165315][  T347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.165317][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.165321][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.165323][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   23.165326][  T347]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   23.165328][  T347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.165331][  T347]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.165338][  T347]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   23.165342][  T347]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   23.165346][  T347]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.165350][  T347]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.165352][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.165357][  T347]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   23.165361][  T347]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   23.165364][  T347]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   23.165370][  T347]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   23.165373][  T347]  ? copy_msghdr_from_user (net/socket.c:2650)
[   23.165375][  T347]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   23.165377][  T347]  ? move_addr_to_kernel (net/socket.c:258)
[   23.165384][  T347]  ___sys_sendmsg (net/socket.c:2767)
[   23.165387][  T347]  ? copy_msghdr_from_user (net/socket.c:2619)
[   23.165403][  T347]  __sys_sendmsg (net/socket.c:2799)
[   23.165406][  T347]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   23.165413][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.165417][  T347]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.165419][  T347]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.165422][  T347]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.165425][  T347] RIP: 0033:0x7fcd2936d54e
[   23.165427][  T347] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   23.165429][  T347] RSP: 002b:00007ffff9e81120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.165432][  T347] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcd2936d54e
[   23.165433][  T347] RDX: 0000000000000000 RSI: 00007ffff9e811d0 RDI: 0000000000000005
[   23.165434][  T347] RBP: 00007ffff9e81130 R08: 0000000000000000 R09: 0000000000000000
[   23.165435][  T347] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910750
[   23.165436][  T347] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff9e81890
| [   29.095928][  T383] softirqs last disabled at (11746): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   29.095936][  T383] Preemption disabled at:
| [   29.095936][  T383] 0x0
| [   29.095946][  T383] Tainted: [W]=WARN
[   29.095947][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.095949][  T383] Call Trace:
[   29.095951][  T383]  <TASK>
[   29.095952][  T383]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.095958][  T383]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.095963][  T383]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.095967][  T383]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.095972][  T383]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.095975][  T383]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.095980][  T383]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.095983][  T383]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.095986][  T383]  put_chars (drivers/char/virtio_console.c:1176)
[   29.095988][  T383]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.095990][  T383]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.095993][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.095996][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.096001][  T383]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.096003][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.096005][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.096009][  T383]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.096010][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.096013][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.096016][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.096020][  T383]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.096024][  T383]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.096026][  T383]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   29.096029][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.096031][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.096035][  T383]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.096039][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.096041][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.096046][  T383]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.096049][  T383]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.096051][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.096053][  T383]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.096056][  T383]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.096058][  T383]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.096061][  T383]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.096066][  T383]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.096068][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.096071][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.096074][  T383]  _printk (kernel/printk/printk.c:2504)
[   29.096078][  T383]  ? snapshot_read.cold (user.c:?)
[   29.096086][  T383] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   29.096096][  T383] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   29.096105][  T383] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   29.096112][  T383] br_dev_stop (net/bridge/br_device.c:193) bridge
[   29.096121][  T383]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.096123][  T383]  __dev_close_many (net/core/dev.c:1798)
[   29.096127][  T383]  ? netif_open (net/core/dev.c:1755)
[   29.096131][  T383]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   29.096135][  T383]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   29.096139][  T383]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   29.096142][  T383]  ? __kernel_text_address (kernel/extable.c:79)
[   29.096144][  T383]  ? write_profile (profile.c:?)
[   29.096146][  T383]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   29.096151][  T383]  netif_change_flags (net/core/dev.c:9877)
[   29.096155][  T383]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   29.096158][  T383]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   29.096160][  T383]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   29.096161][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   29.096163][  T383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   29.096167][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.096169][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.096171][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.096174][  T383]  ? kasan_save_stack (mm/kasan/common.c:58)
[   29.096177][  T383]  ? kasan_save_stack (mm/kasan/common.c:57)
[   29.096178][  T383]  ? kasan_save_track (mm/kasan/common.c:78)
[   29.096181][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.096183][  T383]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   29.096185][  T383]  ? ___sys_sendmsg (net/socket.c:2757)
[   29.096195][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.096197][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.096200][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.096202][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.096203][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.096205][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.096208][  T383]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   29.096211][  T383]  ? __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)
[   29.096214][  T383]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   29.096216][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   29.096220][  T383]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   29.096225][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   29.096230][  T383]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   29.096235][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.096237][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.096241][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.096243][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.096245][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.096247][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.096251][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   29.096253][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.096256][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.096257][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.096262][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.096263][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.096267][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.096269][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.096272][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.096278][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.096279][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.096284][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.096287][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.096290][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.096294][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.096298][  T383]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.096301][  T383]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.096307][  T383]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.096309][  T383]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.096311][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.096313][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   29.096320][  T383]  ___sys_sendmsg (net/socket.c:2767)
[   29.096323][  T383]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.096339][  T383]  __sys_sendmsg (net/socket.c:2799)
[   29.096342][  T383]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.096348][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.096352][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.096354][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.096357][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.096359][  T383] RIP: 0033:0x7f10a416b54e
[   29.096361][  T383] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.096363][  T383] RSP: 002b:00007fff86fcb7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.096366][  T383] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f10a416b54e
[   29.096367][  T383] RDX: 0000000000000000 RSI: 00007fff86fcb850 RDI: 0000000000000005
[   29.096368][  T383] RBP: 00007fff86fcb7b0 R08: 0000000000000000 R09: 0000000000000000
[   29.096369][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910756
[   29.096370][  T383] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff86fcbf10
| [   35.042355][  T683] softirqs last disabled at (24952): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   35.042363][  T683] Preemption disabled at:
| [   35.042363][  T683] 0x0
| [   35.042374][  T683] Tainted: [W]=WARN
[   35.042374][  T683] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.042376][  T683] Call Trace:
[   35.042378][  T683]  <TASK>
[   35.042379][  T683]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.042385][  T683]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.042390][  T683]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.042394][  T683]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   35.042399][  T683]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   35.042401][  T683]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.042406][  T683]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.042409][  T683]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.042412][  T683]  put_chars (drivers/char/virtio_console.c:1176)
[   35.042414][  T683]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.042417][  T683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.042421][  T683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.042424][  T683]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.042427][  T683]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.042430][  T683]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.042431][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.042433][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.042437][  T683]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.042438][  T683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.042442][  T683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.042446][  T683]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.042450][  T683]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.042452][  T683]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   35.042455][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.042457][  T683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.042461][  T683]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.042465][  T683]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.042467][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.042472][  T683]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.042475][  T683]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.042476][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.042479][  T683]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.042482][  T683]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.042484][  T683]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.042487][  T683]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.042493][  T683]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.042495][  T683]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   35.042498][  T683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.042500][  T683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.042503][  T683]  _printk (kernel/printk/printk.c:2504)
[   35.042507][  T683]  ? snapshot_read.cold (user.c:?)
[   35.042514][  T683] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   35.042525][  T683] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   35.042534][  T683] br_device_event (net/bridge/br.c:111) bridge
[   35.042541][  T683]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   35.042545][  T683]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   35.042551][  T683]  notifier_call_chain (kernel/notifier.c:85)
[   35.042557][  T683]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   35.042562][  T683]  ? netif_change_name (net/core/dev.c:1517)
[   35.042565][  T683]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   35.042568][  T683]  ? __kernel_text_address (kernel/extable.c:79)
[   35.042570][  T683]  ? write_profile (profile.c:?)
[   35.042573][  T683]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.042578][  T683]  netif_change_flags (net/core/dev.c:9882)
[   35.042581][  T683]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   35.042585][  T683]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   35.042587][  T683]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   35.042588][  T683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.042590][  T683]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.042593][  T683]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.042596][  T683]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.042598][  T683]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.042600][  T683]  ? kasan_save_stack (mm/kasan/common.c:58)
[   35.042603][  T683]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.042605][  T683]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.042607][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.042609][  T683]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   35.042612][  T683]  ? ___sys_sendmsg (net/socket.c:2757)
[   35.042617][  T683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.042619][  T683]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.042621][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.042623][  T683]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.042625][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.042626][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.042629][  T683]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   35.042633][  T683]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   35.042634][  T683]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   35.042636][  T683]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   35.042640][  T683]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   35.042645][  T683]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   35.042650][  T683]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   35.042655][  T683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.042657][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.042661][  T683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.042663][  T683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.042665][  T683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.042667][  T683]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.042670][  T683]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   35.042672][  T683]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.042675][  T683]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.042677][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.042681][  T683]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.042683][  T683]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.042686][  T683]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.042688][  T683]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.042691][  T683]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.042697][  T683]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.042698][  T683]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.042702][  T683]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.042706][  T683]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.042708][  T683]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.042712][  T683]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.042716][  T683]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.042720][  T683]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.042725][  T683]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.042727][  T683]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.042729][  T683]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.042731][  T683]  ? move_addr_to_kernel (net/socket.c:258)
[   35.042738][  T683]  ___sys_sendmsg (net/socket.c:2767)
[   35.042740][  T683]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.042756][  T683]  __sys_sendmsg (net/socket.c:2799)
[   35.042759][  T683]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.042765][  T683]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.042768][  T683]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.042770][  T683]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.042773][  T683]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.042776][  T683] RIP: 0033:0x7fe7a99a254e
[   35.042778][  T683] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.042780][  T683] RSP: 002b:00007fffaa6f3af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.042782][  T683] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe7a99a254e
[   35.042784][  T683] RDX: 0000000000000000 RSI: 00007fffaa6f3ba0 RDI: 0000000000000005
[   35.042785][  T683] RBP: 00007fffaa6f3b00 R08: 0000000000000000 R09: 0000000000000000
[   35.042785][  T683] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91075c
[   35.042786][  T683] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffaa6f4260
| [   40.269967][  T692] softirqs last disabled at (13832): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   40.269975][  T692] Preemption disabled at:
| [   40.269976][  T692] 0x0
| [   40.269986][  T692] Tainted: [W]=WARN
[   40.269987][  T692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.269988][  T692] Call Trace:
[   40.269990][  T692]  <TASK>
[   40.269992][  T692]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.269998][  T692]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.270002][  T692]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.270006][  T692]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.270011][  T692]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   40.270014][  T692]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.270019][  T692]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.270022][  T692]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.270025][  T692]  put_chars (drivers/char/virtio_console.c:1176)
[   40.270027][  T692]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   40.270029][  T692]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.270032][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.270036][  T692]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.270040][  T692]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.270042][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.270044][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.270048][  T692]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.270049][  T692]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   40.270052][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.270055][  T692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.270059][  T692]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.270063][  T692]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.270065][  T692]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   40.270068][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.270070][  T692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.270074][  T692]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.270078][  T692]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.270080][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.270085][  T692]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.270087][  T692]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.270089][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.270091][  T692]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.270095][  T692]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.270096][  T692]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.270100][  T692]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.270104][  T692]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.270107][  T692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.270109][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.270113][  T692]  _printk (kernel/printk/printk.c:2504)
[   40.270116][  T692]  ? snapshot_read.cold (user.c:?)
[   40.270124][  T692] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   40.270134][  T692] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   40.270142][  T692] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   40.270150][  T692] br_dev_stop (net/bridge/br_device.c:193) bridge
[   40.270159][  T692]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.270162][  T692]  __dev_close_many (net/core/dev.c:1798)
[   40.270166][  T692]  ? netif_open (net/core/dev.c:1755)
[   40.270167][  T692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.270170][  T692]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.270174][  T692]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   40.270177][  T692]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   40.270180][  T692]  ? __kernel_text_address (kernel/extable.c:79)
[   40.270183][  T692]  ? write_profile (profile.c:?)
[   40.270185][  T692]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   40.270190][  T692]  netif_change_flags (net/core/dev.c:9877)
[   40.270194][  T692]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   40.270197][  T692]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.270199][  T692]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.270200][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.270207][  T692]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.270210][  T692]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.270213][  T692]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.270214][  T692]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.270217][  T692]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.270220][  T692]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.270222][  T692]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.270224][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.270226][  T692]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   40.270229][  T692]  ? ___sys_sendmsg (net/socket.c:2757)
[   40.270233][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.270235][  T692]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.270238][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.270240][  T692]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.270241][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.270243][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.270245][  T692]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.270249][  T692]  ? __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)
[   40.270252][  T692]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.270254][  T692]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.270257][  T692]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.270262][  T692]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.270267][  T692]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.270272][  T692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.270274][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.270279][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.270280][  T692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.270283][  T692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.270284][  T692]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.270288][  T692]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.270290][  T692]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.270293][  T692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.270294][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.270299][  T692]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.270300][  T692]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.270304][  T692]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.270305][  T692]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.270308][  T692]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.270314][  T692]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   40.270316][  T692]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   40.270320][  T692]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.270323][  T692]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.270326][  T692]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.270330][  T692]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.270333][  T692]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.270337][  T692]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.270343][  T692]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.270345][  T692]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.270347][  T692]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.270349][  T692]  ? move_addr_to_kernel (net/socket.c:258)
[   40.270356][  T692]  ___sys_sendmsg (net/socket.c:2767)
[   40.270358][  T692]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.270374][  T692]  __sys_sendmsg (net/socket.c:2799)
[   40.270376][  T692]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.270382][  T692]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.270386][  T692]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.270388][  T692]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.270391][  T692]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.270393][  T692] RIP: 0033:0x7fb0f52f854e
[   40.270395][  T692] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.270397][  T692] RSP: 002b:00007fffd8bc6560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.270400][  T692] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb0f52f854e
[   40.270401][  T692] RDX: 0000000000000000 RSI: 00007fffd8bc6610 RDI: 0000000000000005
[   40.270402][  T692] RBP: 00007fffd8bc6570 R08: 0000000000000000 R09: 0000000000000000
[   40.270403][  T692] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910761
[   40.270404][  T692] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd8bc6cd0
| [   46.133476][  T728] softirqs last disabled at (13656): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   46.133484][  T728] Preemption disabled at:
| [   46.133484][  T728] 0x0
| [   46.133497][  T728] Tainted: [W]=WARN
[   46.133498][  T728] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.133499][  T728] Call Trace:
[   46.133501][  T728]  <TASK>
[   46.133502][  T728]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.133509][  T728]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.133514][  T728]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.133519][  T728]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.133524][  T728]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.133526][  T728]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.133532][  T728]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.133535][  T728]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.133538][  T728]  put_chars (drivers/char/virtio_console.c:1176)
[   46.133540][  T728]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   46.133542][  T728]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.133545][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.133549][  T728]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.133553][  T728]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.133556][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.133557][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.133562][  T728]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.133563][  T728]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   46.133567][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.133570][  T728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.133574][  T728]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.133577][  T728]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.133579][  T728]  ? 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))
[   46.133582][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.133585][  T728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.133589][  T728]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.133593][  T728]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.133595][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.133600][  T728]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.133603][  T728]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.133605][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.133607][  T728]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.133611][  T728]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.133612][  T728]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.133616][  T728]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.133620][  T728]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.133623][  T728]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.133626][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.133629][  T728]  _printk (kernel/printk/printk.c:2504)
[   46.133634][  T728]  ? snapshot_read.cold (user.c:?)
[   46.133641][  T728] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   46.133651][  T728] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   46.133660][  T728] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   46.133668][  T728] br_dev_stop (net/bridge/br_device.c:193) bridge
[   46.133677][  T728]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.133680][  T728]  __dev_close_many (net/core/dev.c:1798)
[   46.133684][  T728]  ? netif_open (net/core/dev.c:1755)
[   46.133686][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.133688][  T728]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   46.133692][  T728]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   46.133696][  T728]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   46.133699][  T728]  ? __kernel_text_address (kernel/extable.c:79)
[   46.133701][  T728]  ? write_profile (profile.c:?)
[   46.133703][  T728]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.133708][  T728]  netif_change_flags (net/core/dev.c:9877)
[   46.133712][  T728]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   46.133715][  T728]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.133717][  T728]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.133719][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.133721][  T728]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.133724][  T728]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.133727][  T728]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.133729][  T728]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.133731][  T728]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.133734][  T728]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.133736][  T728]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.133739][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.133740][  T728]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   46.133743][  T728]  ? ___sys_sendmsg (net/socket.c:2757)
[   46.133748][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.133750][  T728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.133752][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.133755][  T728]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.133757][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.133758][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.133761][  T728]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.133764][  T728]  ? __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)
[   46.133767][  T728]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.133769][  T728]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.133773][  T728]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.133778][  T728]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.133783][  T728]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.133788][  T728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.133790][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.133795][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.133797][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.133799][  T728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.133800][  T728]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.133804][  T728]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.133806][  T728]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.133809][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.133811][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.133815][  T728]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.133817][  T728]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.133820][  T728]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.133822][  T728]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.133825][  T728]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.133831][  T728]  ? 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))
[   46.133833][  T728]  ? 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))
[   46.133837][  T728]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.133841][  T728]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.133843][  T728]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.133847][  T728]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.133851][  T728]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.133855][  T728]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.133861][  T728]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.133863][  T728]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.133865][  T728]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.133867][  T728]  ? move_addr_to_kernel (net/socket.c:258)
[   46.133874][  T728]  ___sys_sendmsg (net/socket.c:2767)
[   46.133877][  T728]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.133893][  T728]  __sys_sendmsg (net/socket.c:2799)
[   46.133896][  T728]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.133902][  T728]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.133906][  T728]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.133908][  T728]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.133911][  T728]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.133913][  T728] RIP: 0033:0x7f03f397954e
[   46.133916][  T728] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.133918][  T728] RSP: 002b:00007ffcb0454e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.133921][  T728] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f03f397954e
[   46.133922][  T728] RDX: 0000000000000000 RSI: 00007ffcb0454f40 RDI: 0000000000000005
[   46.133923][  T728] RBP: 00007ffcb0454ea0 R08: 0000000000000000 R09: 0000000000000000
[   46.133924][  T728] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910767
[   46.133925][  T728] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb0455600
| [   48.613888][  T844] softirqs last disabled at (19852): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   48.613896][  T844] Preemption disabled at:
| [   48.613896][  T844] 0x0
| [   48.613907][  T844] Tainted: [W]=WARN
[   48.613907][  T844] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   48.613909][  T844] Call Trace:
[   48.613911][  T844]  <TASK>
[   48.613912][  T844]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   48.613919][  T844]  __might_resched.cold (kernel/sched/core.c:9234)
[   48.613923][  T844]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   48.613927][  T844]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   48.613933][  T844]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   48.613935][  T844]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.613940][  T844]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   48.613943][  T844]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   48.613946][  T844]  put_chars (drivers/char/virtio_console.c:1176)
[   48.613949][  T844]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   48.613952][  T844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.613956][  T844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.613959][  T844]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.613963][  T844]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   48.613965][  T844]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   48.613967][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.613969][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.613973][  T844]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   48.613974][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.613979][  T844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.613982][  T844]  console_emit_next_record (kernel/printk/printk.c:3183)
[   48.613986][  T844]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   48.613988][  T844]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   48.613991][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.613994][  T844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.613998][  T844]  console_flush_one_record (kernel/printk/printk.c:3268)
[   48.614002][  T844]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   48.614004][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.614009][  T844]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   48.614012][  T844]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   48.614013][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.614016][  T844]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   48.614019][  T844]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   48.614021][  T844]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   48.614025][  T844]  vprintk_emit (kernel/printk/printk.c:2479)
[   48.614029][  T844]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   48.614031][  T844]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   48.614033][  T844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.614036][  T844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.614039][  T844]  _printk (kernel/printk/printk.c:2504)
[   48.614043][  T844]  ? snapshot_read.cold (user.c:?)
[   48.614051][  T844] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   48.614062][  T844] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   48.614071][  T844] br_device_event (net/bridge/br.c:111) bridge
[   48.614079][  T844]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   48.614083][  T844]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   48.614089][  T844]  notifier_call_chain (kernel/notifier.c:85)
[   48.614095][  T844]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   48.614100][  T844]  ? netif_change_name (net/core/dev.c:1517)
[   48.614104][  T844]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   48.614107][  T844]  ? __kernel_text_address (kernel/extable.c:79)
[   48.614109][  T844]  ? write_profile (profile.c:?)
[   48.614111][  T844]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   48.614116][  T844]  netif_change_flags (net/core/dev.c:9882)
[   48.614120][  T844]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   48.614124][  T844]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   48.614126][  T844]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   48.614127][  T844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   48.614129][  T844]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   48.614132][  T844]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   48.614135][  T844]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   48.614137][  T844]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   48.614139][  T844]  ? kasan_save_stack (mm/kasan/common.c:58)
[   48.614142][  T844]  ? kasan_save_stack (mm/kasan/common.c:57)
[   48.614144][  T844]  ? kasan_save_track (mm/kasan/common.c:78)
[   48.614147][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.614149][  T844]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   48.614151][  T844]  ? ___sys_sendmsg (net/socket.c:2757)
[   48.614156][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.614158][  T844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.614160][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.614163][  T844]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   48.614164][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.614166][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.614169][  T844]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   48.614172][  T844]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   48.614174][  T844]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   48.614176][  T844]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   48.614179][  T844]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   48.614185][  T844]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   48.614190][  T844]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   48.614195][  T844]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.614197][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.614202][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.614204][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.614206][  T844]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.614208][  T844]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   48.614215][  T844]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   48.614218][  T844]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   48.614221][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.614222][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.614227][  T844]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   48.614229][  T844]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   48.614232][  T844]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   48.614234][  T844]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   48.614237][  T844]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   48.614243][  T844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   48.614245][  T844]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   48.614249][  T844]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   48.614253][  T844]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   48.614255][  T844]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   48.614260][  T844]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   48.614263][  T844]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   48.614267][  T844]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   48.614273][  T844]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   48.614275][  T844]  ? copy_msghdr_from_user (net/socket.c:2650)
[   48.614277][  T844]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   48.614279][  T844]  ? move_addr_to_kernel (net/socket.c:258)
[   48.614287][  T844]  ___sys_sendmsg (net/socket.c:2767)
[   48.614289][  T844]  ? copy_msghdr_from_user (net/socket.c:2619)
[   48.614306][  T844]  __sys_sendmsg (net/socket.c:2799)
[   48.614308][  T844]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   48.614315][  T844]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   48.614318][  T844]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   48.614321][  T844]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   48.614324][  T844]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   48.614326][  T844] RIP: 0033:0x7ff15152d54e
[   48.614328][  T844] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   48.614330][  T844] RSP: 002b:00007ffe19ff3070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   48.614333][  T844] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff15152d54e
[   48.614335][  T844] RDX: 0000000000000000 RSI: 00007ffe19ff3120 RDI: 0000000000000005
[   48.614336][  T844] RBP: 00007ffe19ff3080 R08: 0000000000000000 R09: 0000000000000000
[   48.614336][  T844] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91076a
[   48.614337][  T844] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe19ff37e0
| [   53.855057][  T853] softirqs last disabled at (14788): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   53.855064][  T853] Preemption disabled at:
| [   53.855065][  T853] 0x0
| [   53.855075][  T853] Tainted: [W]=WARN
[   53.855075][  T853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.855077][  T853] Call Trace:
[   53.855079][  T853]  <TASK>
[   53.855080][  T853]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   53.855087][  T853]  __might_resched.cold (kernel/sched/core.c:9234)
[   53.855091][  T853]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   53.855096][  T853]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   53.855100][  T853]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   53.855103][  T853]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.855108][  T853]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   53.855111][  T853]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   53.855114][  T853]  put_chars (drivers/char/virtio_console.c:1176)
[   53.855115][  T853]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   53.855117][  T853]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   53.855120][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.855124][  T853]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.855128][  T853]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   53.855130][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.855132][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.855136][  T853]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   53.855138][  T853]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   53.855141][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.855144][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.855148][  T853]  console_emit_next_record (kernel/printk/printk.c:3183)
[   53.855151][  T853]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   53.855153][  T853]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   53.855156][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.855159][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.855162][  T853]  console_flush_one_record (kernel/printk/printk.c:3268)
[   53.855167][  T853]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   53.855168][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.855173][  T853]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   53.855176][  T853]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   53.855178][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.855180][  T853]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   53.855184][  T853]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   53.855185][  T853]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   53.855189][  T853]  vprintk_emit (kernel/printk/printk.c:2479)
[   53.855193][  T853]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   53.855196][  T853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.855199][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.855202][  T853]  _printk (kernel/printk/printk.c:2504)
[   53.855206][  T853]  ? snapshot_read.cold (user.c:?)
[   53.855213][  T853] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   53.855231][  T853] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   53.855240][  T853] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   53.855247][  T853] br_dev_stop (net/bridge/br_device.c:193) bridge
[   53.855256][  T853]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.855258][  T853]  __dev_close_many (net/core/dev.c:1798)
[   53.855263][  T853]  ? netif_open (net/core/dev.c:1755)
[   53.855264][  T853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.855267][  T853]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   53.855271][  T853]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   53.855274][  T853]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   53.855277][  T853]  ? __kernel_text_address (kernel/extable.c:79)
[   53.855280][  T853]  ? write_profile (profile.c:?)
[   53.855282][  T853]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   53.855287][  T853]  netif_change_flags (net/core/dev.c:9877)
[   53.855291][  T853]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   53.855294][  T853]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   53.855296][  T853]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   53.855297][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   53.855299][  T853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   53.855302][  T853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   53.855305][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   53.855307][  T853]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   53.855309][  T853]  ? kasan_save_stack (mm/kasan/common.c:58)
[   53.855312][  T853]  ? kasan_save_stack (mm/kasan/common.c:57)
[   53.855314][  T853]  ? kasan_save_track (mm/kasan/common.c:78)
[   53.855317][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.855318][  T853]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   53.855321][  T853]  ? ___sys_sendmsg (net/socket.c:2757)
[   53.855326][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.855328][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.855330][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.855332][  T853]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   53.855334][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.855336][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.855338][  T853]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   53.855342][  T853]  ? __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)
[   53.855345][  T853]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   53.855347][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   53.855350][  T853]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   53.855355][  T853]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   53.855361][  T853]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   53.855366][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.855368][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.855372][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.855374][  T853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.855376][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.855378][  T853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   53.855381][  T853]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   53.855383][  T853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   53.855386][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.855388][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.855392][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   53.855394][  T853]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   53.855397][  T853]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   53.855399][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   53.855402][  T853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   53.855408][  T853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   53.855410][  T853]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   53.855414][  T853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   53.855417][  T853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   53.855420][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   53.855424][  T853]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   53.855428][  T853]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   53.855431][  T853]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   53.855437][  T853]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   53.855439][  T853]  ? copy_msghdr_from_user (net/socket.c:2650)
[   53.855441][  T853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   53.855443][  T853]  ? move_addr_to_kernel (net/socket.c:258)
[   53.855450][  T853]  ___sys_sendmsg (net/socket.c:2767)
[   53.855453][  T853]  ? copy_msghdr_from_user (net/socket.c:2619)
[   53.855468][  T853]  __sys_sendmsg (net/socket.c:2799)
[   53.855471][  T853]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   53.855477][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   53.855481][  T853]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   53.855483][  T853]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   53.855486][  T853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   53.855489][  T853] RIP: 0033:0x7f52c694754e
[   53.855495][  T853] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   53.855497][  T853] RSP: 002b:00007ffdd0909990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   53.855499][  T853] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f52c694754e
[   53.855501][  T853] RDX: 0000000000000000 RSI: 00007ffdd0909a40 RDI: 0000000000000005
[   53.855501][  T853] RBP: 00007ffdd09099a0 R08: 0000000000000000 R09: 0000000000000000
[   53.855502][  T853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91076f
[   53.855503][  T853] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd090a100
| [   54.856098][  T899] softirqs last disabled at (15310): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   54.856101][  T899] Preemption disabled at:
| [   54.856101][  T899] vprintk_emit (kernel/printk/printk.c:2471)
| [   54.856110][  T899] Tainted: [W]=WARN
[   54.856111][  T899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.856113][  T899] Call Trace:
[   54.856114][  T899]  <TASK>
[   54.856116][  T899]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   54.856122][  T899]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   54.856124][  T899]  __might_resched.cold (kernel/sched/core.c:9234)
[   54.856129][  T899]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   54.856133][  T899]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   54.856139][  T899]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   54.856141][  T899]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.856147][  T899]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   54.856149][  T899]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   54.856152][  T899]  put_chars (drivers/char/virtio_console.c:1176)
[   54.856155][  T899]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   54.856161][  T899]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   54.856167][  T899]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   54.856170][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.856174][  T899]  console_emit_next_record (kernel/printk/printk.c:3183)
[   54.856178][  T899]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   54.856180][  T899]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   54.856183][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.856187][  T899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   54.856191][  T899]  console_flush_one_record (kernel/printk/printk.c:3268)
[   54.856195][  T899]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   54.856197][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.856202][  T899]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   54.856205][  T899]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   54.856207][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.856209][  T899]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   54.856213][  T899]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   54.856214][  T899]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   54.856226][  T899]  vprintk_emit (kernel/printk/printk.c:2479)
[   54.856230][  T899]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   54.856233][  T899]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   54.856236][  T899]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   54.856237][  T899]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   54.856241][  T899]  _printk (kernel/printk/printk.c:2504)
[   54.856244][  T899]  ? snapshot_read.cold (user.c:?)
[   54.856248][  T899]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   54.856262][  T899]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   54.856267][  T899] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   54.856277][  T899] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   54.856287][  T899] new_nbp (net/bridge/br_if.c:449) bridge
[   54.856296][  T899] br_add_if (net/bridge/br_if.c:592) bridge
[   54.856304][  T899]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   54.856310][  T899]  do_set_master (net/core/rtnetlink.c:3071)
[   54.856315][  T899]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   54.856319][  T899]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   54.856321][  T899]  ? __dev_get_by_name (net/core/dev.c:905)
[   54.856324][  T899]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   54.856333][  T899]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   54.856340][  T899]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   54.856345][  T899]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.856347][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.856354][  T899]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   54.856357][  T899]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   54.856360][  T899]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   54.856363][  T899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.856364][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.856368][  T899]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   54.856370][  T899]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   54.856374][  T899]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   54.856377][  T899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.856380][  T899]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.856386][  T899]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   54.856388][  T899]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   54.856392][  T899]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.856396][  T899]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.856398][  T899]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   54.856402][  T899]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   54.856406][  T899]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   54.856410][  T899]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   54.856416][  T899]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   54.856419][  T899]  ? copy_msghdr_from_user (net/socket.c:2650)
[   54.856421][  T899]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   54.856423][  T899]  ? move_addr_to_kernel (net/socket.c:258)
[   54.856427][  T899]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   54.856430][  T899]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   54.856435][  T899]  ___sys_sendmsg (net/socket.c:2767)
[   54.856438][  T899]  ? copy_msghdr_from_user (net/socket.c:2619)
[   54.856454][  T899]  __sys_sendmsg (net/socket.c:2799)
[   54.856457][  T899]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   54.856462][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.856465][  T899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   54.856468][  T899]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   54.856471][  T899]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   54.856474][  T899]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.856476][  T899] RIP: 0033:0x7f267dbfa54e
[   54.856480][  T899] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   54.856482][  T899] RSP: 002b:00007ffc50a5e320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.856485][  T899] RAX: ffffffffffffffda RBX: 00007ffc50a5ead8 RCX: 00007f267dbfa54e
[   54.856486][  T899] RDX: 0000000000000000 RSI: 00007ffc50a5e3d0 RDI: 0000000000000005
[   54.856487][  T899] RBP: 00007ffc50a5e330 R08: 0000000000000000 R09: 0000000000000000
[   54.856488][  T899] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910770
[   54.856489][  T899] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc50a5ea90
| [   55.935058][  T945] softirqs last disabled at (21614): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   55.935060][  T945] Preemption disabled at:
| [   55.935060][  T945] vprintk_emit (kernel/printk/printk.c:2471)
| [   55.935069][  T945] Tainted: [W]=WARN
[   55.935070][  T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.935072][  T945] Call Trace:
[   55.935073][  T945]  <TASK>
[   55.935075][  T945]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.935080][  T945]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   55.935083][  T945]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.935087][  T945]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.935091][  T945]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.935096][  T945]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   55.935098][  T945]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.935104][  T945]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.935107][  T945]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.935110][  T945]  put_chars (drivers/char/virtio_console.c:1176)
[   55.935113][  T945]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.935119][  T945]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.935125][  T945]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.935128][  T945]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.935132][  T945]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.935136][  T945]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.935138][  T945]  ? 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))
[   55.935141][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.935145][  T945]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.935149][  T945]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.935153][  T945]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.935155][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.935160][  T945]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.935163][  T945]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.935164][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.935167][  T945]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.935170][  T945]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.935172][  T945]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.935175][  T945]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.935179][  T945]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.935183][  T945]  ? __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)
[   55.935185][  T945]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.935186][  T945]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.935190][  T945]  _printk (kernel/printk/printk.c:2504)
[   55.935194][  T945]  ? snapshot_read.cold (user.c:?)
[   55.935197][  T945]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   55.935211][  T945]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   55.935215][  T945] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   55.935235][  T945] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   55.935243][  T945] new_nbp (net/bridge/br_if.c:449) bridge
[   55.935253][  T945] br_add_if (net/bridge/br_if.c:592) bridge
[   55.935260][  T945]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   55.935266][  T945]  do_set_master (net/core/rtnetlink.c:3071)
[   55.935271][  T945]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   55.935275][  T945]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   55.935276][  T945]  ? __dev_get_by_name (net/core/dev.c:905)
[   55.935279][  T945]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   55.935288][  T945]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   55.935295][  T945]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.935300][  T945]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.935302][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.935309][  T945]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.935313][  T945]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.935315][  T945]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.935318][  T945]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.935319][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.935324][  T945]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.935325][  T945]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.935329][  T945]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.935332][  T945]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.935335][  T945]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.935341][  T945]  ? 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))
[   55.935343][  T945]  ? 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))
[   55.935347][  T945]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.935351][  T945]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.935353][  T945]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.935357][  T945]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.935361][  T945]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.935365][  T945]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.935371][  T945]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.935374][  T945]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.935376][  T945]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.935378][  T945]  ? move_addr_to_kernel (net/socket.c:258)
[   55.935382][  T945]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   55.935384][  T945]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   55.935389][  T945]  ___sys_sendmsg (net/socket.c:2767)
[   55.935392][  T945]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.935408][  T945]  __sys_sendmsg (net/socket.c:2799)
[   55.935411][  T945]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.935416][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.935419][  T945]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.935422][  T945]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.935425][  T945]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.935428][  T945]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.935430][  T945] RIP: 0033:0x7fb7e661154e
[   55.935434][  T945] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.935436][  T945] RSP: 002b:00007ffeba7fe040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.935438][  T945] RAX: ffffffffffffffda RBX: 00007ffeba7fe7f8 RCX: 00007fb7e661154e
[   55.935440][  T945] RDX: 0000000000000000 RSI: 00007ffeba7fe0f0 RDI: 0000000000000005
[   55.935440][  T945] RBP: 00007ffeba7fe050 R08: 0000000000000000 R09: 0000000000000000
[   55.935441][  T945] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910771
[   55.935442][  T945] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeba7fe7b0
| [   56.943753][  T984] softirqs last disabled at (23690): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   56.943755][  T984] Preemption disabled at:
| [   56.943756][  T984] vprintk_emit (kernel/printk/printk.c:2471)
| [   56.943764][  T984] Tainted: [W]=WARN
[   56.943765][  T984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.943767][  T984] Call Trace:
[   56.943768][  T984]  <TASK>
[   56.943770][  T984]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.943776][  T984]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   56.943778][  T984]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.943782][  T984]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.943787][  T984]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   56.943792][  T984]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   56.943794][  T984]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.943800][  T984]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   56.943802][  T984]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.943806][  T984]  put_chars (drivers/char/virtio_console.c:1176)
[   56.943808][  T984]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.943815][  T984]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.943822][  T984]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.943825][  T984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.943829][  T984]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.943833][  T984]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.943835][  T984]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   56.943838][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.943843][  T984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.943847][  T984]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.943851][  T984]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.943853][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.943859][  T984]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.943862][  T984]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.943864][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.943866][  T984]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   56.943871][  T984]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.943873][  T984]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.943877][  T984]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.943881][  T984]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.943885][  T984]  ? __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)
[   56.943888][  T984]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   56.943889][  T984]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   56.943893][  T984]  _printk (kernel/printk/printk.c:2504)
[   56.943896][  T984]  ? snapshot_read.cold (user.c:?)
[   56.943900][  T984]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   56.943913][  T984]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   56.943918][  T984] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   56.943928][  T984] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   56.943937][  T984] new_nbp (net/bridge/br_if.c:449) bridge
[   56.943946][  T984] br_add_if (net/bridge/br_if.c:592) bridge
[   56.943953][  T984]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   56.943959][  T984]  do_set_master (net/core/rtnetlink.c:3071)
[   56.943964][  T984]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   56.943968][  T984]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   56.943970][  T984]  ? __dev_get_by_name (net/core/dev.c:905)
[   56.943973][  T984]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   56.943983][  T984]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   56.943990][  T984]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   56.943996][  T984]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.943998][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.944005][  T984]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.944009][  T984]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   56.944011][  T984]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   56.944014][  T984]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.944016][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.944020][  T984]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.944022][  T984]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.944027][  T984]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   56.944030][  T984]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.944033][  T984]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.944039][  T984]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   56.944040][  T984]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   56.944045][  T984]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.944048][  T984]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.944051][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.944055][  T984]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   56.944059][  T984]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   56.944063][  T984]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   56.944069][  T984]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   56.944072][  T984]  ? copy_msghdr_from_user (net/socket.c:2650)
[   56.944074][  T984]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   56.944076][  T984]  ? move_addr_to_kernel (net/socket.c:258)
[   56.944080][  T984]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   56.944083][  T984]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   56.944088][  T984]  ___sys_sendmsg (net/socket.c:2767)
[   56.944091][  T984]  ? copy_msghdr_from_user (net/socket.c:2619)
[   56.944108][  T984]  __sys_sendmsg (net/socket.c:2799)
[   56.944111][  T984]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   56.944117][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.944120][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.944124][  T984]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.944126][  T984]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.944130][  T984]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.944132][  T984] RIP: 0033:0x7f2d977c154e
[   56.944135][  T984] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   56.944137][  T984] RSP: 002b:00007ffdec2e6cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.944140][  T984] RAX: ffffffffffffffda RBX: 00007ffdec2e7468 RCX: 00007f2d977c154e
[   56.944142][  T984] RDX: 0000000000000000 RSI: 00007ffdec2e6d60 RDI: 0000000000000005
[   56.944142][  T984] RBP: 00007ffdec2e6cc0 R08: 0000000000000000 R09: 0000000000000000
[   56.944143][  T984] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910772
[   56.944144][  T984] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdec2e7420
| [   64.004381][ T1153] softirqs last disabled at (14718): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   64.004383][ T1153] Preemption disabled at:
| [   64.004384][ T1153] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.004393][ T1153] Tainted: [W]=WARN
[   64.004394][ T1153] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.004396][ T1153] Call Trace:
[   64.004397][ T1153]  <TASK>
[   64.004399][ T1153]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.004405][ T1153]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.004407][ T1153]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.004411][ T1153]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.004415][ T1153]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   64.004421][ T1153]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   64.004423][ T1153]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.004429][ T1153]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.004431][ T1153]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.004435][ T1153]  put_chars (drivers/char/virtio_console.c:1176)
[   64.004438][ T1153]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.004439][ T1153]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   64.004443][ T1153]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   64.004447][ T1153]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.004449][ T1153]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   64.004451][ T1153]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.004453][ T1153]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.004457][ T1153]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.004458][ T1153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.004462][ T1153]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.004467][ T1153]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.004471][ T1153]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.004472][ T1153]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   64.004475][ T1153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.004479][ T1153]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.004483][ T1153]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.004488][ T1153]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.004489][ T1153]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.004497][ T1153]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.004500][ T1153]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.004502][ T1153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.004504][ T1153]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   64.004508][ T1153]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.004510][ T1153]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.004513][ T1153]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.004517][ T1153]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.004522][ T1153]  _printk (kernel/printk/printk.c:2504)
[   64.004526][ T1153]  ? snapshot_read.cold (user.c:?)
[   64.004528][ T1153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.004530][ T1153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.004532][ T1153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.004534][ T1153]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   64.004538][ T1153]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   64.004541][ T1153]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   64.004545][ T1153]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   64.004547][ T1153]  ? netdev_notice (net/core/dev.c:13194)
[   64.004548][ T1153]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   64.004558][ T1153]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   64.004563][ T1153]  dev_set_allmulti (net/core/dev_api.c:315)
[   64.004566][ T1153] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   64.004579][ T1153]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   64.004584][ T1153] br_dev_delete (net/bridge/br_if.c:387) bridge
[   64.004593][ T1153]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   64.004595][ T1153]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   64.004597][ T1153]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.004599][ T1153]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.004601][ T1153]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   64.004622][ T1153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.004624][ T1153]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.004627][ T1153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.004629][ T1153]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   64.004631][ T1153]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.004635][ T1153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.004637][ T1153]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.004639][ T1153]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   64.004642][ T1153]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.004645][ T1153]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   64.004648][ T1153]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.004651][ T1153]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.004653][ T1153]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.004657][ T1153]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.004659][ T1153]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.004662][ T1153]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.004666][ T1153]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.004668][ T1153]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.004674][ T1153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   64.004676][ T1153]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   64.004680][ T1153]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.004684][ T1153]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.004686][ T1153]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.004690][ T1153]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.004694][ T1153]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.004698][ T1153]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   64.004703][ T1153]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   64.004707][ T1153]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.004709][ T1153]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   64.004710][ T1153]  ? move_addr_to_kernel (net/socket.c:258)
[   64.004717][ T1153]  ___sys_sendmsg (net/socket.c:2767)
[   64.004720][ T1153]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.004736][ T1153]  __sys_sendmsg (net/socket.c:2799)
[   64.004738][ T1153]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.004745][ T1153]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.004748][ T1153]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.004750][ T1153]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.004753][ T1153]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.004756][ T1153] RIP: 0033:0x7fd02ae1454e
[   64.004759][ T1153] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.004761][ T1153] RSP: 002b:00007fff4fcb3c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.004764][ T1153] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd02ae1454e
[   64.004765][ T1153] RDX: 0000000000000000 RSI: 00007fff4fcb3cc0 RDI: 0000000000000005
[   64.004766][ T1153] RBP: 00007fff4fcb3c20 R08: 0000000000000000 R09: 0000000000000000
[   64.004767][ T1153] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910779
[   64.004768][ T1153] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4fcb4380
| [   66.427602][ T1190] softirqs last disabled at (19453): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   66.427604][ T1190] Preemption disabled at:
| [   66.427605][ T1190] vprintk_emit (kernel/printk/printk.c:2471)
| [   66.427614][ T1190] Tainted: [W]=WARN
[   66.427615][ T1190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   66.427617][ T1190] Call Trace:
[   66.427618][ T1190]  <TASK>
[   66.427620][ T1190]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   66.427626][ T1190]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   66.427628][ T1190]  __might_resched.cold (kernel/sched/core.c:9234)
[   66.427632][ T1190]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   66.427636][ T1190]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   66.427641][ T1190]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   66.427644][ T1190]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.427649][ T1190]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   66.427652][ T1190]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   66.427655][ T1190]  put_chars (drivers/char/virtio_console.c:1176)
[   66.427658][ T1190]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   66.427661][ T1190]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   66.427665][ T1190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   66.427667][ T1190]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   66.427671][ T1190]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   66.427674][ T1190]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.427675][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.427677][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.427681][ T1190]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   66.427682][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.427687][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.427691][ T1190]  console_emit_next_record (kernel/printk/printk.c:3183)
[   66.427695][ T1190]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   66.427696][ T1190]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   66.427699][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.427702][ T1190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   66.427706][ T1190]  console_flush_one_record (kernel/printk/printk.c:3268)
[   66.427710][ T1190]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   66.427712][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.427717][ T1190]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   66.427720][ T1190]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   66.427722][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.427724][ T1190]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   66.427728][ T1190]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   66.427729][ T1190]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   66.427733][ T1190]  vprintk_emit (kernel/printk/printk.c:2479)
[   66.427736][ T1190]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   66.427742][ T1190]  _printk (kernel/printk/printk.c:2504)
[   66.427746][ T1190]  ? snapshot_read.cold (user.c:?)
[   66.427748][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.427751][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.427752][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.427755][ T1190]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   66.427758][ T1190]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   66.427761][ T1190]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   66.427765][ T1190]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   66.427767][ T1190]  ? netdev_notice (net/core/dev.c:13194)
[   66.427769][ T1190]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   66.427779][ T1190]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   66.427783][ T1190]  dev_set_allmulti (net/core/dev_api.c:315)
[   66.427787][ T1190] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   66.427800][ T1190]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   66.427804][ T1190] br_dev_delete (net/bridge/br_if.c:387) bridge
[   66.427813][ T1190]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   66.427816][ T1190]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.427817][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.427819][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.427821][ T1190]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.427843][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.427845][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.427848][ T1190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.427850][ T1190]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   66.427852][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.427856][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.427858][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.427860][ T1190]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.427863][ T1190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   66.427866][ T1190]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   66.427869][ T1190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   66.427872][ T1190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.427874][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.427878][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   66.427880][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   66.427883][ T1190]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   66.427886][ T1190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   66.427889][ T1190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   66.427895][ T1190]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   66.427897][ T1190]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   66.427901][ T1190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   66.427905][ T1190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   66.427908][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   66.427912][ T1190]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   66.427916][ T1190]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   66.427919][ T1190]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   66.427925][ T1190]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   66.427928][ T1190]  ? copy_msghdr_from_user (net/socket.c:2650)
[   66.427930][ T1190]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   66.427932][ T1190]  ? move_addr_to_kernel (net/socket.c:258)
[   66.427939][ T1190]  ___sys_sendmsg (net/socket.c:2767)
[   66.427942][ T1190]  ? copy_msghdr_from_user (net/socket.c:2619)
[   66.427958][ T1190]  __sys_sendmsg (net/socket.c:2799)
[   66.427961][ T1190]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   66.427967][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   66.427971][ T1190]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   66.427973][ T1190]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   66.427976][ T1190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   66.427978][ T1190] RIP: 0033:0x7f366cf0c54e
[   66.427981][ T1190] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   66.427983][ T1190] RSP: 002b:00007fff41850ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   66.427986][ T1190] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f366cf0c54e
[   66.427987][ T1190] RDX: 0000000000000000 RSI: 00007fff41850f90 RDI: 0000000000000005
[   66.427988][ T1190] RBP: 00007fff41850ef0 R08: 0000000000000000 R09: 0000000000000000
[   66.427989][ T1190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91077b
[   66.427990][ T1190] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff41851650
| [   68.889797][ T1229] softirqs last disabled at (20844): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   68.889799][ T1229] Preemption disabled at:
| [   68.889800][ T1229] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.889809][ T1229] Tainted: [W]=WARN
[   68.889810][ T1229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.889812][ T1229] Call Trace:
[   68.889813][ T1229]  <TASK>
[   68.889815][ T1229]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.889821][ T1229]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.889823][ T1229]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.889828][ T1229]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.889832][ T1229]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.889837][ T1229]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   68.889840][ T1229]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.889845][ T1229]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.889848][ T1229]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.889851][ T1229]  put_chars (drivers/char/virtio_console.c:1176)
[   68.889854][ T1229]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.889861][ T1229]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.889867][ T1229]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.889872][ T1229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.889877][ T1229]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.889881][ T1229]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.889883][ T1229]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   68.889887][ T1229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.889890][ T1229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.889894][ T1229]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.889899][ T1229]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.889900][ T1229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.889906][ T1229]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.889908][ T1229]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.889910][ T1229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.889913][ T1229]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.889916][ T1229]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.889918][ T1229]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.889921][ T1229]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.889925][ T1229]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.889928][ T1229]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   68.889931][ T1229]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   68.889933][ T1229]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   68.889936][ T1229]  _printk (kernel/printk/printk.c:2504)
[   68.889940][ T1229]  ? snapshot_read.cold (user.c:?)
[   68.889943][ T1229]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   68.889958][ T1229]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   68.889963][ T1229] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   68.889974][ T1229] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   68.889983][ T1229] new_nbp (net/bridge/br_if.c:449) bridge
[   68.889993][ T1229] br_add_if (net/bridge/br_if.c:592) bridge
[   68.890001][ T1229]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   68.890007][ T1229]  do_set_master (net/core/rtnetlink.c:3071)
[   68.890011][ T1229]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   68.890015][ T1229]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   68.890017][ T1229]  ? __dev_get_by_name (net/core/dev.c:905)
[   68.890019][ T1229]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   68.890029][ T1229]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   68.890035][ T1229]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.890041][ T1229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.890043][ T1229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.890049][ T1229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.890053][ T1229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.890055][ T1229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.890058][ T1229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.890059][ T1229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.890064][ T1229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.890066][ T1229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.890069][ T1229]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.890072][ T1229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.890075][ T1229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.890082][ T1229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.890083][ T1229]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.890087][ T1229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.890091][ T1229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.890094][ T1229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.890098][ T1229]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.890102][ T1229]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.890106][ T1229]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   68.890111][ T1229]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.890114][ T1229]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.890117][ T1229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   68.890119][ T1229]  ? move_addr_to_kernel (net/socket.c:258)
[   68.890123][ T1229]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   68.890125][ T1229]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   68.890130][ T1229]  ___sys_sendmsg (net/socket.c:2767)
[   68.890133][ T1229]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.890149][ T1229]  __sys_sendmsg (net/socket.c:2799)
[   68.890152][ T1229]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.890157][ T1229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.890160][ T1229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.890163][ T1229]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.890166][ T1229]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.890169][ T1229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.890171][ T1229] RIP: 0033:0x7fe8a888654e
[   68.890175][ T1229] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.890177][ T1229] RSP: 002b:00007fff6791e7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.890180][ T1229] RAX: ffffffffffffffda RBX: 00007fff6791efa8 RCX: 00007fe8a888654e
[   68.890181][ T1229] RDX: 0000000000000000 RSI: 00007fff6791e8a0 RDI: 0000000000000005
[   68.890182][ T1229] RBP: 00007fff6791e800 R08: 0000000000000000 R09: 0000000000000000
[   68.890183][ T1229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91077e
[   68.890184][ T1229] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6791ef60
| [   68.995880][    C0]
| [   68.995944][    C0]
| [   68.995944][    C0] stack backtrace:
| [   68.996105][    C0] Tainted: [W]=WARN
[   68.996106][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.996108][    C0] Call Trace:
[   68.996109][    C0]  <TASK>
[   68.996110][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.996115][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   68.996118][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   68.996121][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   68.996123][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   68.996124][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   68.996126][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.996128][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   68.996135][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.996138][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.996140][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   68.996147][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   68.996148][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   68.996155][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   68.996161][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   68.996168][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   68.996170][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   68.996172][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.996174][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.996176][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.996178][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   68.996180][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   68.996187][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   68.996189][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.996191][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.996194][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   68.996196][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   68.996198][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.996200][    C0]  ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[   68.996201][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.996203][    C0]  handle_softirqs (kernel/softirq.c:645)
[   68.996205][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   68.996207][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.996209][    C0]  run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100)
[   68.996210][    C0]  smpboot_thread_fn (kernel/smpboot.c:160)
[   68.996212][    C0]  ? sort_range (kernel/range.c:164)
[   68.996214][    C0]  kthread (kernel/kthread.c:436)
[   68.996215][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.996217][    C0]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   68.996218][    C0]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.996220][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   68.996222][    C0]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.996224][    C0]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   68.996226][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.909996][ T1291] softirqs last disabled at (0): 0x0
| [   69.909997][ T1291] Preemption disabled at:
| [   69.909998][ T1291] vprintk_emit (kernel/printk/printk.c:2471)
| [   69.910010][ T1291] Tainted: [W]=WARN
[   69.910011][ T1291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.910013][ T1291] Call Trace:
[   69.910014][ T1291]  <TASK>
[   69.910016][ T1291]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   69.910022][ T1291]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   69.910024][ T1291]  __might_resched.cold (kernel/sched/core.c:9234)
[   69.910028][ T1291]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   69.910032][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910036][ T1291]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   69.910040][ T1291]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   69.910043][ T1291]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.910047][ T1291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   69.910049][ T1291]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   69.910051][ T1291]  put_chars (drivers/char/virtio_console.c:1176)
[   69.910053][ T1291]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   69.910054][ T1291]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   69.910057][ T1291]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   69.910060][ T1291]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   69.910064][ T1291]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   69.910065][ T1291]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   69.910067][ T1291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.910069][ T1291]  console_emit_next_record (kernel/printk/printk.c:3183)
[   69.910072][ T1291]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   69.910075][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910076][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910078][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910080][ T1291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.910083][ T1291]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   69.910085][ T1291]  console_flush_one_record (kernel/printk/printk.c:3268)
[   69.910087][ T1291]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   69.910091][ T1291]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   69.910093][ T1291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.910094][ T1291]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   69.910096][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910098][ T1291]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.910099][ T1291]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   69.910101][ T1291]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   69.910103][ T1291]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   69.910105][ T1291]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   69.910107][ T1291]  vprintk_emit (kernel/printk/printk.c:2479)
[   69.910110][ T1291]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   69.910112][ T1291]  ? __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)
[   69.910115][ T1291]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   69.910116][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910118][ T1291]  _printk (kernel/printk/printk.c:2504)
[   69.910121][ T1291]  ? snapshot_read.cold (user.c:?)
[   69.910123][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910125][ T1291]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.910127][ T1291]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   69.910129][ T1291] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   69.910143][ T1291] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   69.910151][ T1291] new_nbp (net/bridge/br_if.c:449) bridge
[   69.910161][ T1291] br_add_if (net/bridge/br_if.c:592) bridge
[   69.910169][ T1291]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   69.910172][ T1291]  do_set_master (net/core/rtnetlink.c:3071)
[   69.910176][ T1291]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   69.910178][ T1291]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   69.910180][ T1291]  ? __dev_get_by_name (net/core/dev.c:905)
[   69.910182][ T1291]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   69.910186][ T1291]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   69.910189][ T1291]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   69.910191][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910193][ T1291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.910194][ T1291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.910195][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910198][ T1291]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   69.910201][ T1291]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   69.910203][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910205][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910207][ T1291]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   69.910210][ T1291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.910212][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910214][ T1291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   69.910215][ T1291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   69.910217][ T1291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.910218][ T1291]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   69.910221][ T1291]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   69.910225][ T1291]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   69.910228][ T1291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.910229][ T1291]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.910231][ T1291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.910237][ T1291]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   69.910239][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910241][ T1291]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.910243][ T1291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.910245][ T1291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.910247][ T1291]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   69.910250][ T1291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   69.910252][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910254][ T1291]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   69.910256][ T1291]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   69.910258][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910260][ T1291]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   69.910262][ T1291]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   69.910264][ T1291]  ? copy_msghdr_from_user (net/socket.c:2650)
[   69.910266][ T1291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   69.910268][ T1291]  ? move_addr_to_kernel (net/socket.c:258)
[   69.910270][ T1291]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   69.910273][ T1291]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   69.910276][ T1291]  ___sys_sendmsg (net/socket.c:2767)
[   69.910278][ T1291]  ? copy_msghdr_from_user (net/socket.c:2619)
[   69.910283][ T1291]  __sys_sendmsg (net/socket.c:2799)
[   69.910285][ T1291]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   69.910288][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910289][ T1291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   69.910292][ T1291]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   69.910294][ T1291]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   69.910296][ T1291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.910298][ T1291] RIP: 0033:0x7fb7b674254e
[   69.910300][ T1291] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   69.910302][ T1291] RSP: 002b:00007ffc2e4f14f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.910306][ T1291] RAX: ffffffffffffffda RBX: 00007ffc2e4f1ca8 RCX: 00007fb7b674254e
[   69.910307][ T1291] RDX: 0000000000000000 RSI: 00007ffc2e4f15a0 RDI: 0000000000000005
[   69.910308][ T1291] RBP: 00007ffc2e4f1500 R08: 0000000000000000 R09: 0000000000000000
[   69.910309][ T1291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91077f
[   69.910310][ T1291] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2e4f1c60
| [   70.937119][ T1357] softirqs last disabled at (0): 0x0
| [   70.937120][ T1357] Preemption disabled at:
| [   70.937121][ T1357] vprintk_emit (kernel/printk/printk.c:2471)
| [   70.937132][ T1357] Tainted: [W]=WARN
[   70.937133][ T1357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.937135][ T1357] Call Trace:
[   70.937137][ T1357]  <TASK>
[   70.937138][ T1357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.937143][ T1357]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   70.937145][ T1357]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.937149][ T1357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.937152][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937156][ T1357]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   70.937160][ T1357]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.937163][ T1357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.937167][ T1357]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   70.937169][ T1357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.937171][ T1357]  put_chars (drivers/char/virtio_console.c:1176)
[   70.937172][ T1357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.937174][ T1357]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   70.937176][ T1357]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   70.937179][ T1357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.937182][ T1357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.937183][ T1357]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.937185][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.937187][ T1357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.937190][ T1357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.937192][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937193][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937195][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937197][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.937199][ T1357]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   70.937200][ T1357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.937203][ T1357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.937206][ T1357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.937207][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.937209][ T1357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.937211][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937213][ T1357]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.937214][ T1357]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   70.937215][ T1357]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   70.937218][ T1357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.937219][ T1357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.937221][ T1357]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.937224][ T1357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.937226][ T1357]  ? __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)
[   70.937229][ T1357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   70.937230][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937239][ T1357]  _printk (kernel/printk/printk.c:2504)
[   70.937242][ T1357]  ? snapshot_read.cold (user.c:?)
[   70.937244][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937246][ T1357]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.937248][ T1357]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   70.937250][ T1357] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   70.937262][ T1357] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   70.937270][ T1357] new_nbp (net/bridge/br_if.c:449) bridge
[   70.937279][ T1357] br_add_if (net/bridge/br_if.c:592) bridge
[   70.937287][ T1357]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   70.937289][ T1357]  do_set_master (net/core/rtnetlink.c:3071)
[   70.937294][ T1357]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   70.937295][ T1357]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   70.937297][ T1357]  ? __dev_get_by_name (net/core/dev.c:905)
[   70.937299][ T1357]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   70.937303][ T1357]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   70.937305][ T1357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   70.937307][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937309][ T1357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.937310][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.937312][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937314][ T1357]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   70.937317][ T1357]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   70.937319][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937321][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937322][ T1357]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   70.937326][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.937327][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937329][ T1357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   70.937331][ T1357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   70.937332][ T1357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.937334][ T1357]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   70.937336][ T1357]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   70.937340][ T1357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   70.937343][ T1357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.937344][ T1357]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.937346][ T1357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.937347][ T1357]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   70.937349][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937351][ T1357]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.937353][ T1357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.937355][ T1357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.937357][ T1357]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[   70.937359][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937361][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937363][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937364][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937366][ T1357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   70.937368][ T1357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   70.937370][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937372][ T1357]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.937374][ T1357]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   70.937376][ T1357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   70.937378][ T1357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   70.937379][ T1357]  ? move_addr_to_kernel (net/socket.c:258)
[   70.937382][ T1357]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   70.937385][ T1357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.937386][ T1357]  ___sys_sendmsg (net/socket.c:2767)
[   70.937388][ T1357]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   70.937390][ T1357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   70.937392][ T1357]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   70.937397][ T1357]  __sys_sendmsg (net/socket.c:2799)
[   70.937399][ T1357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   70.937401][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937403][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.937405][ T1357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   70.937407][ T1357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   70.937409][ T1357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.937411][ T1357] RIP: 0033:0x7f22cc5c854e
[   70.937413][ T1357] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   70.937415][ T1357] RSP: 002b:00007ffec51d11f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.937419][ T1357] RAX: ffffffffffffffda RBX: 00007ffec51d19a8 RCX: 00007f22cc5c854e
[   70.937420][ T1357] RDX: 0000000000000000 RSI: 00007ffec51d12a0 RDI: 0000000000000005
[   70.937421][ T1357] RBP: 00007ffec51d1200 R08: 0000000000000000 R09: 0000000000000000
[   70.937422][ T1357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910780
[   70.937423][ T1357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec51d1960
| [  117.222684][T17890] softirqs last disabled at (0): 0x0
| [  117.222686][T17890] Preemption disabled at:
| [  117.222687][T17890] vprintk_emit (kernel/printk/printk.c:2471)
| [  117.222701][T17890] Tainted: [W]=WARN
[  117.222702][T17890] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  117.222705][T17890] Call Trace:
[  117.222707][T17890]  <TASK>
[  117.222708][T17890]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  117.222715][T17890]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  117.222717][T17890]  __might_resched.cold (kernel/sched/core.c:9234)
[  117.222722][T17890]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  117.222726][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222731][T17890]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  117.222736][T17890]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  117.222739][T17890]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.222744][T17890]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  117.222746][T17890]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  117.222749][T17890]  put_chars (drivers/char/virtio_console.c:1176)
[  117.222752][T17890]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  117.222754][T17890]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  117.222758][T17890]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  117.222763][T17890]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  117.222765][T17890]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  117.222767][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222770][T17890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.222773][T17890]  console_emit_next_record (kernel/printk/printk.c:3183)
[  117.222777][T17890]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  117.222780][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222782][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222784][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222787][T17890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.222789][T17890]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  117.222792][T17890]  console_flush_one_record (kernel/printk/printk.c:3268)
[  117.222795][T17890]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  117.222799][T17890]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  117.222802][T17890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.222804][T17890]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  117.222807][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222809][T17890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.222811][T17890]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  117.222813][T17890]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  117.222816][T17890]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  117.222819][T17890]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  117.222822][T17890]  vprintk_emit (kernel/printk/printk.c:2479)
[  117.222825][T17890]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  117.222827][T17890]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.222832][T17890]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  117.222835][T17890]  ? ___sys_sendmsg (net/socket.c:2767)
[  117.222837][T17890]  ? __sys_sendmsg (net/socket.c:2799)
[  117.222840][T17890]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.222843][T17890]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.222847][T17890]  _printk (kernel/printk/printk.c:2504)
[  117.222850][T17890]  ? snapshot_read.cold (user.c:?)
[  117.222853][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222855][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222858][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222860][T17890]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  117.222864][T17890]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  117.222868][T17890]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  117.222871][T17890]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  117.222873][T17890]  ? netdev_notice (net/core/dev.c:13194)
[  117.222875][T17890]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  117.222879][T17890]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  117.222882][T17890]  ? trace_contention_end (./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/lock.h:121)
[  117.222884][T17890]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  117.222888][T17890]  dev_set_allmulti (net/core/dev_api.c:315)
[  117.222892][T17890] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  117.222909][T17890]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  117.222913][T17890] br_dev_delete (net/bridge/br_if.c:387) bridge
[  117.222924][T17890]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  117.222928][T17890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.222931][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222933][T17890]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  117.222936][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222946][T17890]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  117.222950][T17890]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.222952][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222955][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222957][T17890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.222959][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222962][T17890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.222964][T17890]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  117.222968][T17890]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  117.222970][T17890]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  117.222973][T17890]  ? __kernel_text_address (kernel/extable.c:79)
[  117.222975][T17890]  ? write_profile (profile.c:?)
[  117.222978][T17890]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  117.222980][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222983][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222985][T17890]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  117.222989][T17890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.222991][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.222994][T17890]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  117.222997][T17890]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  117.223000][T17890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.223002][T17890]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  117.223004][T17890]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  117.223010][T17890]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  117.223012][T17890]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  117.223014][T17890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.223017][T17890]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  117.223019][T17890]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  117.223023][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.223025][T17890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.223028][T17890]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  117.223031][T17890]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  117.223033][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.223036][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.223038][T17890]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  117.223041][T17890]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  117.223044][T17890]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  117.223046][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.223049][T17890]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  117.223052][T17890]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  117.223054][T17890]  ? copy_msghdr_from_user (net/socket.c:2650)
[  117.223057][T17890]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  117.223059][T17890]  ? move_addr_to_kernel (net/socket.c:258)
[  117.223061][T17890]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  117.223065][T17890]  ___sys_sendmsg (net/socket.c:2767)
[  117.223068][T17890]  ? copy_msghdr_from_user (net/socket.c:2619)
[  117.223076][T17890]  __sys_sendmsg (net/socket.c:2799)
[  117.223079][T17890]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  117.223083][T17890]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  117.223086][T17890]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  117.223088][T17890]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  117.223091][T17890]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  117.223094][T17890] RIP: 0033:0x7fa54f7f054e
[  117.223096][T17890] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  117.223099][T17890] RSP: 002b:00007ffe46121660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  117.223104][T17890] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa54f7f054e
[  117.223106][T17890] RDX: 0000000000000000 RSI: 00007ffe46121710 RDI: 0000000000000005
[  117.223107][T17890] RBP: 00007ffe46121670 R08: 0000000000000000 R09: 0000000000000000
[  117.223108][T17890] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9107ae
[  117.223110][T17890] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe46121dd0
| [  119.466685][T17927] softirqs last disabled at (0): 0x0
| [  119.466688][T17927] Preemption disabled at:
| [  119.466689][T17927] vprintk_emit (kernel/printk/printk.c:2471)
| [  119.466702][T17927] Tainted: [W]=WARN
[  119.466703][T17927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  119.466705][T17927] Call Trace:
[  119.466707][T17927]  <TASK>
[  119.466709][T17927]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  119.466715][T17927]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  119.466718][T17927]  __might_resched.cold (kernel/sched/core.c:9234)
[  119.466722][T17927]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  119.466726][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466731][T17927]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  119.466735][T17927]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.466738][T17927]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.466743][T17927]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  119.466745][T17927]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  119.466748][T17927]  put_chars (drivers/char/virtio_console.c:1176)
[  119.466750][T17927]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  119.466753][T17927]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  119.466756][T17927]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  119.466761][T17927]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  119.466763][T17927]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  119.466765][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466768][T17927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.466771][T17927]  console_emit_next_record (kernel/printk/printk.c:3183)
[  119.466775][T17927]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  119.466778][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466780][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466782][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466784][T17927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.466787][T17927]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  119.466790][T17927]  console_flush_one_record (kernel/printk/printk.c:3268)
[  119.466793][T17927]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  119.466797][T17927]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  119.466799][T17927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.466801][T17927]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  119.466803][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466805][T17927]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.466807][T17927]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  119.466809][T17927]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  119.466812][T17927]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  119.466814][T17927]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  119.466817][T17927]  vprintk_emit (kernel/printk/printk.c:2479)
[  119.466821][T17927]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  119.466823][T17927]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  119.466827][T17927]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  119.466831][T17927]  ? ___sys_sendmsg (net/socket.c:2767)
[  119.466833][T17927]  ? __sys_sendmsg (net/socket.c:2799)
[  119.466835][T17927]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  119.466839][T17927]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.466842][T17927]  _printk (kernel/printk/printk.c:2504)
[  119.466846][T17927]  ? snapshot_read.cold (user.c:?)
[  119.466848][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466851][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466853][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466856][T17927]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  119.466859][T17927]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  119.466863][T17927]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  119.466866][T17927]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  119.466868][T17927]  ? netdev_notice (net/core/dev.c:13194)
[  119.466870][T17927]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  119.466875][T17927]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  119.466877][T17927]  ? trace_contention_end (./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/lock.h:121)
[  119.466880][T17927]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  119.466884][T17927]  dev_set_allmulti (net/core/dev_api.c:315)
[  119.466888][T17927] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  119.466905][T17927]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  119.466909][T17927] br_dev_delete (net/bridge/br_if.c:387) bridge
[  119.466921][T17927]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  119.466925][T17927]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.466927][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466930][T17927]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  119.466933][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466943][T17927]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  119.466947][T17927]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.466949][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466951][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466954][T17927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.466956][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466958][T17927]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.466960][T17927]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  119.466964][T17927]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  119.466967][T17927]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  119.466970][T17927]  ? __kernel_text_address (kernel/extable.c:79)
[  119.466972][T17927]  ? write_profile (profile.c:?)
[  119.466975][T17927]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  119.466977][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466979][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466981][T17927]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  119.466986][T17927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.466988][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.466990][T17927]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  119.466994][T17927]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  119.466997][T17927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.466999][T17927]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  119.467001][T17927]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  119.467006][T17927]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  119.467009][T17927]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  119.467011][T17927]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.467013][T17927]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  119.467015][T17927]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  119.467019][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.467021][T17927]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.467024][T17927]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  119.467027][T17927]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  119.467030][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.467032][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.467034][T17927]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  119.467037][T17927]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  119.467040][T17927]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  119.467043][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.467045][T17927]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  119.467048][T17927]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  119.467051][T17927]  ? copy_msghdr_from_user (net/socket.c:2650)
[  119.467053][T17927]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  119.467055][T17927]  ? move_addr_to_kernel (net/socket.c:258)
[  119.467057][T17927]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  119.467061][T17927]  ___sys_sendmsg (net/socket.c:2767)
[  119.467063][T17927]  ? copy_msghdr_from_user (net/socket.c:2619)
[  119.467071][T17927]  __sys_sendmsg (net/socket.c:2799)
[  119.467074][T17927]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  119.467078][T17927]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  119.467081][T17927]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  119.467083][T17927]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  119.467086][T17927]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  119.467089][T17927] RIP: 0033:0x7f9ffbf6554e
[  119.467092][T17927] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  119.467095][T17927] RSP: 002b:00007fffd87d3360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  119.467099][T17927] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9ffbf6554e
[  119.467101][T17927] RDX: 0000000000000000 RSI: 00007fffd87d3410 RDI: 0000000000000005
[  119.467102][T17927] RBP: 00007fffd87d3370 R08: 0000000000000000 R09: 0000000000000000
[  119.467104][T17927] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9107b0
[  119.467105][T17927] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd87d3ad0
| [  121.578235][T17965] softirqs last disabled at (0): 0x0
| [  121.578237][T17965] Preemption disabled at:
| [  121.578237][T17965] vprintk_emit (kernel/printk/printk.c:2471)
| [  121.578248][T17965] Tainted: [W]=WARN
[  121.578249][T17965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  121.578251][T17965] Call Trace:
[  121.578252][T17965]  <TASK>
[  121.578254][T17965]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  121.578260][T17965]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  121.578262][T17965]  __might_resched.cold (kernel/sched/core.c:9234)
[  121.578266][T17965]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  121.578270][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578274][T17965]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  121.578278][T17965]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.578280][T17965]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.578284][T17965]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  121.578293][T17965]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  121.578296][T17965]  put_chars (drivers/char/virtio_console.c:1176)
[  121.578298][T17965]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  121.578299][T17965]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  121.578302][T17965]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  121.578304][T17965]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  121.578308][T17965]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  121.578309][T17965]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  121.578311][T17965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.578313][T17965]  console_emit_next_record (kernel/printk/printk.c:3183)
[  121.578316][T17965]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  121.578318][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578320][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578322][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578324][T17965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.578326][T17965]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  121.578328][T17965]  console_flush_one_record (kernel/printk/printk.c:3268)
[  121.578330][T17965]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  121.578333][T17965]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  121.578334][T17965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.578336][T17965]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  121.578338][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578340][T17965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.578341][T17965]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  121.578343][T17965]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  121.578345][T17965]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  121.578347][T17965]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  121.578349][T17965]  vprintk_emit (kernel/printk/printk.c:2479)
[  121.578352][T17965]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  121.578355][T17965]  ? __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)
[  121.578358][T17965]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  121.578359][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578361][T17965]  _printk (kernel/printk/printk.c:2504)
[  121.578365][T17965]  ? snapshot_read.cold (user.c:?)
[  121.578367][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578369][T17965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.578370][T17965]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  121.578373][T17965] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  121.578387][T17965] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  121.578396][T17965] new_nbp (net/bridge/br_if.c:449) bridge
[  121.578406][T17965] br_add_if (net/bridge/br_if.c:592) bridge
[  121.578414][T17965]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  121.578417][T17965]  do_set_master (net/core/rtnetlink.c:3071)
[  121.578421][T17965]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  121.578424][T17965]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  121.578425][T17965]  ? __dev_get_by_name (net/core/dev.c:905)
[  121.578427][T17965]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  121.578432][T17965]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  121.578434][T17965]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  121.578437][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578439][T17965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  121.578440][T17965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.578442][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578444][T17965]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  121.578447][T17965]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  121.578450][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578452][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578454][T17965]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  121.578458][T17965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.578459][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578461][T17965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  121.578463][T17965]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  121.578464][T17965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.578466][T17965]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  121.578469][T17965]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  121.578473][T17965]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  121.578476][T17965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  121.578477][T17965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.578479][T17965]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  121.578480][T17965]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  121.578483][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578485][T17965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.578487][T17965]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  121.578489][T17965]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  121.578491][T17965]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  121.578496][T17965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  121.578498][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578500][T17965]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  121.578503][T17965]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  121.578505][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578507][T17965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  121.578509][T17965]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  121.578512][T17965]  ? copy_msghdr_from_user (net/socket.c:2650)
[  121.578514][T17965]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  121.578515][T17965]  ? move_addr_to_kernel (net/socket.c:258)
[  121.578518][T17965]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  121.578521][T17965]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  121.578524][T17965]  ___sys_sendmsg (net/socket.c:2767)
[  121.578526][T17965]  ? copy_msghdr_from_user (net/socket.c:2619)
[  121.578531][T17965]  __sys_sendmsg (net/socket.c:2799)
[  121.578534][T17965]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  121.578536][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578538][T17965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  121.578540][T17965]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  121.578542][T17965]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  121.578545][T17965]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  121.578547][T17965] RIP: 0033:0x7fe06d70654e
[  121.578549][T17965] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  121.578551][T17965] RSP: 002b:00007ffcdd7a1990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  121.578555][T17965] RAX: ffffffffffffffda RBX: 00007ffcdd7a2148 RCX: 00007fe06d70654e
[  121.578557][T17965] RDX: 0000000000000000 RSI: 00007ffcdd7a1a40 RDI: 0000000000000005
[  121.578558][T17965] RBP: 00007ffcdd7a19a0 R08: 0000000000000000 R09: 0000000000000000
[  121.578559][T17965] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9107b3
[  121.578560][T17965] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdd7a2100
| [  122.578298][T18026] softirqs last disabled at (0): 0x0
| [  122.578300][T18026] Preemption disabled at:
| [  122.578301][T18026] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.578313][T18026] Tainted: [W]=WARN
[  122.578314][T18026] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.578315][T18026] Call Trace:
[  122.578317][T18026]  <TASK>
[  122.578318][T18026]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.578324][T18026]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.578326][T18026]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.578330][T18026]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.578333][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578337][T18026]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  122.578341][T18026]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.578343][T18026]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.578347][T18026]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  122.578349][T18026]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.578351][T18026]  put_chars (drivers/char/virtio_console.c:1176)
[  122.578353][T18026]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.578354][T18026]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  122.578356][T18026]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  122.578358][T18026]  ? pointer (lib/vsprintf.c:2577)
[  122.578362][T18026]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.578365][T18026]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.578366][T18026]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.578368][T18026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.578370][T18026]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.578373][T18026]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.578375][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578377][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578378][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578380][T18026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.578382][T18026]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  122.578384][T18026]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.578386][T18026]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.578389][T18026]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.578391][T18026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.578393][T18026]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.578395][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578396][T18026]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.578398][T18026]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  122.578399][T18026]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  122.578402][T18026]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.578404][T18026]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.578406][T18026]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.578408][T18026]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.578411][T18026]  ? vlan_device_event (net/8021q/vlan.c:392 (discriminator 1)) 8021q
[  122.578415][T18026]  _printk (kernel/printk/printk.c:2504)
[  122.578418][T18026]  ? snapshot_read.cold (user.c:?)
[  122.578420][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578422][T18026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.578423][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578425][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578427][T18026]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  122.578430][T18026]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  122.578432][T18026]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  122.578433][T18026]  ? netdev_notice (net/core/dev.c:13194)
[  122.578435][T18026]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  122.578438][T18026]  ? dev_disable_lro (./include/linux/netdevice.h:2861 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:266)
[  122.578442][T18026]  ? trace_contention_end (./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/lock.h:121)
[  122.578446][T18026]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  122.578449][T18026]  netif_set_promiscuity (net/core/dev.c:9699)
[  122.578451][T18026]  dev_set_promiscuity (net/core/dev_api.c:288)
[  122.578453][T18026] br_port_set_promisc (net/bridge/br_if.c:109) bridge
[  122.578465][T18026] br_manage_promisc (net/bridge/br_if.c:175) bridge
[  122.578473][T18026] br_add_if (net/bridge/br_if.c:243 net/bridge/br_if.c:633) bridge
[  122.578482][T18026]  do_set_master (net/core/rtnetlink.c:3071)
[  122.578485][T18026]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  122.578488][T18026]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  122.578489][T18026]  ? __dev_get_by_name (net/core/dev.c:905)
[  122.578494][T18026]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  122.578498][T18026]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  122.578501][T18026]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  122.578503][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578505][T18026]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.578507][T18026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.578508][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578511][T18026]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  122.578515][T18026]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  122.578517][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578519][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578521][T18026]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  122.578525][T18026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.578526][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578528][T18026]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.578529][T18026]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.578531][T18026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.578533][T18026]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.578535][T18026]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  122.578540][T18026]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.578542][T18026]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.578544][T18026]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.578545][T18026]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.578547][T18026]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  122.578549][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578551][T18026]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.578553][T18026]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.578555][T18026]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.578557][T18026]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  122.578560][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578561][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578563][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578565][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578567][T18026]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.578569][T18026]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.578571][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578573][T18026]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.578575][T18026]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  122.578578][T18026]  ? copy_msghdr_from_user (net/socket.c:2650)
[  122.578580][T18026]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  122.578581][T18026]  ? move_addr_to_kernel (net/socket.c:258)
[  122.578584][T18026]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  122.578587][T18026]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.578589][T18026]  ___sys_sendmsg (net/socket.c:2767)
[  122.578591][T18026]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  122.578593][T18026]  ? copy_msghdr_from_user (net/socket.c:2619)
[  122.578595][T18026]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  122.578600][T18026]  __sys_sendmsg (net/socket.c:2799)
[  122.578602][T18026]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  122.578605][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578607][T18026]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.578609][T18026]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.578611][T18026]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.578613][T18026]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.578615][T18026] RIP: 0033:0x7fcb343f854e
[  122.578617][T18026] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  122.578619][T18026] RSP: 002b:00007ffc9c63c900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  122.578623][T18026] RAX: ffffffffffffffda RBX: 00007ffc9c63d0b8 RCX: 00007fcb343f854e
[  122.578624][T18026] RDX: 0000000000000000 RSI: 00007ffc9c63c9b0 RDI: 0000000000000005
[  122.578625][T18026] RBP: 00007ffc9c63c910 R08: 0000000000000000 R09: 0000000000000000
[  122.578626][T18026] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9107b4
[  122.578627][T18026] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9c63d070
| [  123.593402][T18087] softirqs last disabled at (0): 0x0
| [  123.593405][T18087] Preemption disabled at:
| [  123.593406][T18087] vprintk_emit (kernel/printk/printk.c:2471)
| [  123.593420][T18087] Tainted: [W]=WARN
[  123.593421][T18087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  123.593423][T18087] Call Trace:
[  123.593425][T18087]  <TASK>
[  123.593427][T18087]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  123.593434][T18087]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  123.593436][T18087]  __might_resched.cold (kernel/sched/core.c:9234)
[  123.593441][T18087]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  123.593446][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593451][T18087]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  123.593455][T18087]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  123.593459][T18087]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.593464][T18087]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  123.593466][T18087]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.593469][T18087]  put_chars (drivers/char/virtio_console.c:1176)
[  123.593472][T18087]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  123.593474][T18087]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  123.593477][T18087]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  123.593481][T18087]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  123.593486][T18087]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  123.593488][T18087]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  123.593490][T18087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.593496][T18087]  console_emit_next_record (kernel/printk/printk.c:3183)
[  123.593499][T18087]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  123.593502][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593505][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593507][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593509][T18087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.593512][T18087]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  123.593515][T18087]  console_flush_one_record (kernel/printk/printk.c:3268)
[  123.593519][T18087]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  123.593523][T18087]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  123.593525][T18087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.593527][T18087]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  123.593530][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593532][T18087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.593535][T18087]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  123.593537][T18087]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  123.593540][T18087]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  123.593543][T18087]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  123.593546][T18087]  vprintk_emit (kernel/printk/printk.c:2479)
[  123.593549][T18087]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  123.593552][T18087]  ? __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)
[  123.593556][T18087]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  123.593558][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593561][T18087]  _printk (kernel/printk/printk.c:2504)
[  123.593565][T18087]  ? snapshot_read.cold (user.c:?)
[  123.593568][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593571][T18087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.593573][T18087]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  123.593577][T18087] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  123.593595][T18087] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  123.593608][T18087] new_nbp (net/bridge/br_if.c:449) bridge
[  123.593622][T18087] br_add_if (net/bridge/br_if.c:592) bridge
[  123.593635][T18087]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  123.593639][T18087]  do_set_master (net/core/rtnetlink.c:3071)
[  123.593645][T18087]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  123.593648][T18087]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  123.593650][T18087]  ? __dev_get_by_name (net/core/dev.c:905)
[  123.593653][T18087]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  123.593659][T18087]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  123.593663][T18087]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  123.593667][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593669][T18087]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  123.593671][T18087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.593673][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593677][T18087]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  123.593681][T18087]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  123.593684][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593687][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593689][T18087]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  123.593693][T18087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.593696][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593698][T18087]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  123.593701][T18087]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  123.593703][T18087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.593705][T18087]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  123.593709][T18087]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  123.593715][T18087]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  123.593718][T18087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.593721][T18087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.593723][T18087]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  123.593725][T18087]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  123.593729][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593731][T18087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.593735][T18087]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  123.593738][T18087]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  123.593740][T18087]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  123.593744][T18087]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.593746][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593750][T18087]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  123.593753][T18087]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  123.593756][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593758][T18087]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.593761][T18087]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  123.593765][T18087]  ? copy_msghdr_from_user (net/socket.c:2650)
[  123.593767][T18087]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  123.593769][T18087]  ? move_addr_to_kernel (net/socket.c:258)
[  123.593773][T18087]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  123.593776][T18087]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  123.593781][T18087]  ___sys_sendmsg (net/socket.c:2767)
[  123.593783][T18087]  ? copy_msghdr_from_user (net/socket.c:2619)
[  123.593791][T18087]  __sys_sendmsg (net/socket.c:2799)
[  123.593795][T18087]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  123.593798][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593801][T18087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.593804][T18087]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  123.593807][T18087]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  123.593810][T18087]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  123.593813][T18087] RIP: 0033:0x7ffbf6ea254e
[  123.593816][T18087] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  123.593818][T18087] RSP: 002b:00007ffe4ee4c6f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  123.593823][T18087] RAX: ffffffffffffffda RBX: 00007ffe4ee4cea8 RCX: 00007ffbf6ea254e
[  123.593825][T18087] RDX: 0000000000000000 RSI: 00007ffe4ee4c7a0 RDI: 0000000000000005
[  123.593827][T18087] RBP: 00007ffe4ee4c700 R08: 0000000000000000 R09: 0000000000000000
[  123.593828][T18087] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9107b5
[  123.593829][T18087] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4ee4ce60
| [  170.788780][ T2163] softirqs last disabled at (0): 0x0
| [  170.788781][ T2163] Preemption disabled at:
| [  170.788782][ T2163] vprintk_emit (kernel/printk/printk.c:2471)
| [  170.788793][ T2163] Tainted: [W]=WARN
[  170.788794][ T2163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  170.788796][ T2163] Call Trace:
[  170.788797][ T2163]  <TASK>
[  170.788799][ T2163]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  170.788804][ T2163]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  170.788806][ T2163]  __might_resched.cold (kernel/sched/core.c:9234)
[  170.788810][ T2163]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  170.788813][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788817][ T2163]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  170.788821][ T2163]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.788823][ T2163]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.788827][ T2163]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  170.788829][ T2163]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  170.788831][ T2163]  put_chars (drivers/char/virtio_console.c:1176)
[  170.788833][ T2163]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  170.788835][ T2163]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  170.788837][ T2163]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  170.788841][ T2163]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  170.788842][ T2163]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  170.788844][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788846][ T2163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.788848][ T2163]  console_emit_next_record (kernel/printk/printk.c:3183)
[  170.788851][ T2163]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  170.788853][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788854][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788856][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788858][ T2163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.788859][ T2163]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  170.788861][ T2163]  console_flush_one_record (kernel/printk/printk.c:3268)
[  170.788864][ T2163]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  170.788866][ T2163]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  170.788868][ T2163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.788870][ T2163]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  170.788872][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788873][ T2163]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.788875][ T2163]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  170.788876][ T2163]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  170.788878][ T2163]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  170.788880][ T2163]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  170.788882][ T2163]  vprintk_emit (kernel/printk/printk.c:2479)
[  170.788885][ T2163]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  170.788887][ T2163]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  170.788890][ T2163]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  170.788893][ T2163]  ? ___sys_sendmsg (net/socket.c:2767)
[  170.788895][ T2163]  ? __sys_sendmsg (net/socket.c:2799)
[  170.788896][ T2163]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  170.788899][ T2163]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.788901][ T2163]  _printk (kernel/printk/printk.c:2504)
[  170.788904][ T2163]  ? snapshot_read.cold (user.c:?)
[  170.788906][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788908][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788910][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788911][ T2163]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  170.788914][ T2163]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  170.788917][ T2163]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  170.788919][ T2163]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  170.788921][ T2163]  ? netdev_notice (net/core/dev.c:13194)
[  170.788922][ T2163]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  170.788926][ T2163]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  170.788927][ T2163]  ? trace_contention_end (./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/lock.h:121)
[  170.788929][ T2163]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  170.788932][ T2163]  dev_set_allmulti (net/core/dev_api.c:315)
[  170.788935][ T2163] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  170.788947][ T2163]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  170.788950][ T2163] br_dev_delete (net/bridge/br_if.c:387) bridge
[  170.788958][ T2163]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  170.788961][ T2163]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.788962][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788964][ T2163]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  170.788967][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788973][ T2163]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  170.788976][ T2163]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.788977][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788979][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788981][ T2163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.788982][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.788984][ T2163]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.788986][ T2163]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  170.788989][ T2163]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  170.788991][ T2163]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  170.788993][ T2163]  ? __kernel_text_address (kernel/extable.c:79)
[  170.788994][ T2163]  ? write_profile (profile.c:?)
[  170.788997][ T2163]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  170.788999][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.789000][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.789002][ T2163]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  170.789006][ T2163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.789007][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.789009][ T2163]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  170.789011][ T2163]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  170.789013][ T2163]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.789015][ T2163]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  170.789016][ T2163]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  170.789020][ T2163]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  170.789022][ T2163]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  170.789023][ T2163]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.789025][ T2163]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  170.789026][ T2163]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  170.789029][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.789031][ T2163]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.789033][ T2163]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  170.789035][ T2163]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  170.789036][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.789038][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.789040][ T2163]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  170.789042][ T2163]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  170.789044][ T2163]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  170.789045][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.789047][ T2163]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  170.789049][ T2163]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  170.789051][ T2163]  ? copy_msghdr_from_user (net/socket.c:2650)
[  170.789052][ T2163]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  170.789054][ T2163]  ? move_addr_to_kernel (net/socket.c:258)
[  170.789055][ T2163]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  170.789058][ T2163]  ___sys_sendmsg (net/socket.c:2767)
[  170.789060][ T2163]  ? copy_msghdr_from_user (net/socket.c:2619)
[  170.789065][ T2163]  __sys_sendmsg (net/socket.c:2799)
[  170.789067][ T2163]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  170.789070][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  170.789072][ T2163]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  170.789073][ T2163]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  170.789075][ T2163]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  170.789077][ T2163] RIP: 0033:0x7fe29d19a54e
[  170.789079][ T2163] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  170.789081][ T2163] RSP: 002b:00007ffd3066b520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  170.789085][ T2163] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe29d19a54e
[  170.789087][ T2163] RDX: 0000000000000000 RSI: 00007ffd3066b5d0 RDI: 0000000000000005
[  170.789088][ T2163] RBP: 00007ffd3066b530 R08: 0000000000000000 R09: 0000000000000000
[  170.789088][ T2163] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9107e4
[  170.789089][ T2163] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3066bc90
| [  172.542694][ T2200] softirqs last disabled at (0): 0x0
| [  172.542695][ T2200] Preemption disabled at:
| [  172.542696][ T2200] vprintk_emit (kernel/printk/printk.c:2471)
| [  172.542707][ T2200] Tainted: [W]=WARN
[  172.542708][ T2200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  172.542710][ T2200] Call Trace:
[  172.542712][ T2200]  <TASK>
[  172.542713][ T2200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  172.542719][ T2200]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  172.542721][ T2200]  __might_resched.cold (kernel/sched/core.c:9234)
[  172.542724][ T2200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  172.542728][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542731][ T2200]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  172.542735][ T2200]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.542737][ T2200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.542741][ T2200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  172.542743][ T2200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  172.542745][ T2200]  put_chars (drivers/char/virtio_console.c:1176)
[  172.542747][ T2200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  172.542748][ T2200]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  172.542751][ T2200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  172.542754][ T2200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  172.542756][ T2200]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  172.542757][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542759][ T2200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.542761][ T2200]  console_emit_next_record (kernel/printk/printk.c:3183)
[  172.542764][ T2200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  172.542766][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542768][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542769][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542771][ T2200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.542773][ T2200]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  172.542775][ T2200]  console_flush_one_record (kernel/printk/printk.c:3268)
[  172.542777][ T2200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  172.542780][ T2200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  172.542782][ T2200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.542783][ T2200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  172.542785][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542787][ T2200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.542788][ T2200]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  172.542789][ T2200]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  172.542792][ T2200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  172.542794][ T2200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  172.542796][ T2200]  vprintk_emit (kernel/printk/printk.c:2479)
[  172.542798][ T2200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  172.542800][ T2200]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  172.542804][ T2200]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  172.542807][ T2200]  ? ___sys_sendmsg (net/socket.c:2767)
[  172.542808][ T2200]  ? __sys_sendmsg (net/socket.c:2799)
[  172.542810][ T2200]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  172.542813][ T2200]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.542815][ T2200]  _printk (kernel/printk/printk.c:2504)
[  172.542818][ T2200]  ? snapshot_read.cold (user.c:?)
[  172.542820][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542822][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542824][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542825][ T2200]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  172.542829][ T2200]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  172.542832][ T2200]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  172.542833][ T2200]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  172.542835][ T2200]  ? netdev_notice (net/core/dev.c:13194)
[  172.542837][ T2200]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  172.542840][ T2200]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  172.542841][ T2200]  ? trace_contention_end (./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/lock.h:121)
[  172.542843][ T2200]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  172.542847][ T2200]  dev_set_allmulti (net/core/dev_api.c:315)
[  172.542849][ T2200] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  172.542862][ T2200]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  172.542864][ T2200] br_dev_delete (net/bridge/br_if.c:387) bridge
[  172.542872][ T2200]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  172.542875][ T2200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.542876][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542878][ T2200]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  172.542880][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542887][ T2200]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  172.542889][ T2200]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.542891][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542892][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542894][ T2200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.542896][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542898][ T2200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.542899][ T2200]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  172.542903][ T2200]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  172.542905][ T2200]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  172.542908][ T2200]  ? __kernel_text_address (kernel/extable.c:79)
[  172.542909][ T2200]  ? write_profile (profile.c:?)
[  172.542911][ T2200]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  172.542913][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542915][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542916][ T2200]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  172.542920][ T2200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.542922][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542923][ T2200]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  172.542925][ T2200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  172.542927][ T2200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  172.542929][ T2200]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  172.542930][ T2200]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  172.542934][ T2200]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  172.542936][ T2200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  172.542937][ T2200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.542939][ T2200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  172.542940][ T2200]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  172.542943][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542944][ T2200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.542946][ T2200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  172.542948][ T2200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  172.542950][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542952][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542954][ T2200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  172.542955][ T2200]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  172.542957][ T2200]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  172.542959][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542961][ T2200]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  172.542963][ T2200]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  172.542964][ T2200]  ? copy_msghdr_from_user (net/socket.c:2650)
[  172.542966][ T2200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  172.542968][ T2200]  ? move_addr_to_kernel (net/socket.c:258)
[  172.542969][ T2200]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  172.542972][ T2200]  ___sys_sendmsg (net/socket.c:2767)
[  172.542973][ T2200]  ? copy_msghdr_from_user (net/socket.c:2619)
[  172.542978][ T2200]  __sys_sendmsg (net/socket.c:2799)
[  172.542980][ T2200]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  172.542983][ T2200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  172.542985][ T2200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  172.542986][ T2200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  172.542989][ T2200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  172.542990][ T2200] RIP: 0033:0x7f961ddbe54e
[  172.542992][ T2200] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  172.542994][ T2200] RSP: 002b:00007ffc2769ae30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  172.542998][ T2200] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f961ddbe54e
[  172.542999][ T2200] RDX: 0000000000000000 RSI: 00007ffc2769aee0 RDI: 0000000000000005
[  172.543000][ T2200] RBP: 00007ffc2769ae40 R08: 0000000000000000 R09: 0000000000000000
[  172.543001][ T2200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9107e6
[  172.543002][ T2200] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2769b5a0
| [  185.736232][ T2334] softirqs last disabled at (0): 0x0
| [  185.736233][ T2334] Preemption disabled at:
| [  185.736234][ T2334] vprintk_emit (kernel/printk/printk.c:2471)
| [  185.736245][ T2334] Tainted: [W]=WARN
[  185.736246][ T2334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  185.736247][ T2334] Call Trace:
[  185.736249][ T2334]  <TASK>
[  185.736250][ T2334]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  185.736255][ T2334]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  185.736257][ T2334]  __might_resched.cold (kernel/sched/core.c:9234)
[  185.736261][ T2334]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  185.736264][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.736268][ T2334]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  185.736271][ T2334]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  185.736274][ T2334]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.736278][ T2334]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  185.736279][ T2334]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  185.736281][ T2334]  put_chars (drivers/char/virtio_console.c:1176)
[  185.736283][ T2334]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  185.736285][ T2334]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  185.736287][ T2334]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  185.736289][ T2334]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  185.736292][ T2334]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  185.736293][ T2334]  ? 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)
[  185.736295][ T2334]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  185.736296][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.736298][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.736300][ T2334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.736302][ T2334]  console_emit_next_record (kernel/printk/printk.c:3183)
[  185.736304][ T2334]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  185.736306][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.736308][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.736310][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.736311][ T2334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.736313][ T2334]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  185.736315][ T2334]  console_flush_one_record (kernel/printk/printk.c:3268)
[  185.736317][ T2334]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  185.736320][ T2334]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  185.736321][ T2334]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  185.736323][ T2334]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  185.736325][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.736326][ T2334]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  185.736328][ T2334]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  185.736329][ T2334]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  185.736331][ T2334]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  185.736333][ T2334]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  185.736335][ T2334]  vprintk_emit (kernel/printk/printk.c:2479)
[  185.736338][ T2334]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  185.736341][ T2334]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  185.736343][ T2334]  _printk (kernel/printk/printk.c:2504)
[  185.736346][ T2334]  ? snapshot_read.cold (user.c:?)
[  185.736349][ T2334]  ? 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)
[  185.736351][ T2334] gact_init_module (net/sched/act_gact.c:180) act_gact
[  185.736359][ T2334]  do_one_initcall (init/main.c:1357)
[  185.736361][ T2334]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  185.736364][ T2334]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  185.736367][ T2334]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  185.736369][ T2334]  do_init_module (kernel/module/main.c:3117)
[  185.736372][ T2334]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  185.736374][ T2334]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  185.736376][ T2334]  load_module (kernel/module/main.c:3593)
[  185.736380][ T2334]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  185.736382][ T2334]  ? __ia32_sys_fsconfig (??:?)
[  185.736385][ T2334]  ? ovl_real_file (fs/overlayfs/file.c:195)
[  185.736388][ T2334]  ? backing_file_read_iter (fs/backing-file.c:211)
[  185.736391][ T2334]  init_module_from_file (kernel/module/main.c:3790)
[  185.736393][ T2334]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  185.736395][ T2334]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  185.736398][ T2334]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  185.736400][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.736401][ T2334]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  185.736403][ T2334]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  185.736405][ T2334]  idempotent_init_module (kernel/module/main.c:3802)
[  185.736407][ T2334]  ? init_module_from_file (kernel/module/main.c:3791)
[  185.736410][ T2334]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  185.736412][ T2334]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  185.736416][ T2334]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  185.736418][ T2334]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  185.736420][ T2334]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  185.736423][ T2334]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  185.736425][ T2334]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  185.736427][ T2334] RIP: 0033:0x7fb32371537d
[  185.736429][ T2334] 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
[  185.736431][ T2334] RSP: 002b:00007ffe1f5bec08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  185.736435][ T2334] RAX: ffffffffffffffda RBX: 000055581d500810 RCX: 00007fb32371537d
[  185.736436][ T2334] RDX: 0000000000000000 RSI: 00005557e4085ffd RDI: 0000000000000000
[  185.736437][ T2334] RBP: 00007ffe1f5beca0 R08: 0000000000000000 R09: 0000000000000000
[  185.736438][ T2334] R10: 0000000000000000 R11: 0000000000000246 R12: 00005557e4085ffd
[  185.736439][ T2334] R13: 000055581d500960 R14: 0000000000040000 R15: 0000000000000000
| [  202.155932][ T2961] softirqs last disabled at (0): 0x0
| [  202.155934][ T2961] Preemption disabled at:
| [  202.155934][ T2961] 0x0
| [  202.155943][ T2961] Tainted: [W]=WARN
[  202.155944][ T2961] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  202.155945][ T2961] Call Trace:
[  202.155947][ T2961]  <TASK>
[  202.155948][ T2961]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  202.155954][ T2961]  __might_resched.cold (kernel/sched/core.c:9234)
[  202.155958][ T2961]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  202.155962][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.155966][ T2961]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  202.155969][ T2961]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  202.155972][ T2961]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.155976][ T2961]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  202.155977][ T2961]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  202.155979][ T2961]  put_chars (drivers/char/virtio_console.c:1176)
[  202.155981][ T2961]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  202.155983][ T2961]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  202.155987][ T2961]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  202.155990][ T2961]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  202.155992][ T2961]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  202.155994][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.155995][ T2961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.155998][ T2961]  console_emit_next_record (kernel/printk/printk.c:3183)
[  202.156000][ T2961]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  202.156002][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156003][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156005][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156007][ T2961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.156009][ T2961]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  202.156010][ T2961]  console_flush_one_record (kernel/printk/printk.c:3268)
[  202.156013][ T2961]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  202.156015][ T2961]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  202.156017][ T2961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.156018][ T2961]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  202.156020][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156021][ T2961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.156023][ T2961]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  202.156024][ T2961]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  202.156026][ T2961]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  202.156028][ T2961]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  202.156030][ T2961]  vprintk_emit (kernel/printk/printk.c:2479)
[  202.156033][ T2961]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  202.156035][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156036][ T2961]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  202.156039][ T2961]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  202.156040][ T2961]  _printk (kernel/printk/printk.c:2504)
[  202.156044][ T2961]  ? snapshot_read.cold (user.c:?)
[  202.156046][ T2961]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  202.156050][ T2961] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  202.156063][ T2961] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  202.156071][ T2961] br_device_event (net/bridge/br.c:111) bridge
[  202.156080][ T2961]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  202.156083][ T2961]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  202.156086][ T2961]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  202.156089][ T2961]  notifier_call_chain (kernel/notifier.c:85)
[  202.156092][ T2961]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  202.156095][ T2961]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  202.156097][ T2961]  ? netif_change_name (net/core/dev.c:1517)
[  202.156099][ T2961]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  202.156101][ T2961]  ? __kernel_text_address (kernel/extable.c:79)
[  202.156103][ T2961]  ? write_profile (profile.c:?)
[  202.156105][ T2961]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  202.156108][ T2961]  netif_change_flags (net/core/dev.c:9882)
[  202.156110][ T2961]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  202.156113][ T2961]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  202.156115][ T2961]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  202.156116][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156118][ T2961]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  202.156122][ T2961]  ? kasan_save_stack (mm/kasan/common.c:58)
[  202.156125][ T2961]  ? kasan_save_stack (mm/kasan/common.c:57)
[  202.156126][ T2961]  ? kasan_save_track (mm/kasan/common.c:78)
[  202.156127][ T2961]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  202.156129][ T2961]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  202.156130][ T2961]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  202.156132][ T2961]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  202.156133][ T2961]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  202.156136][ T2961]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  202.156137][ T2961]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  202.156138][ T2961]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  202.156141][ T2961]  ? ___sys_sendmsg (net/socket.c:2767)
[  202.156142][ T2961]  ? __sys_sendmsg (net/socket.c:2799)
[  202.156144][ T2961]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  202.156146][ T2961]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  202.156148][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156150][ T2961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.156151][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156153][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156154][ T2961]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  202.156158][ T2961]  ? __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)
[  202.156159][ T2961]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  202.156160][ T2961]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  202.156162][ T2961]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  202.156164][ T2961]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  202.156166][ T2961]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  202.156168][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156170][ T2961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.156171][ T2961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.156172][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156174][ T2961]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  202.156178][ T2961]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  202.156179][ T2961]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  202.156181][ T2961]  ? __kernel_text_address (kernel/extable.c:79)
[  202.156182][ T2961]  ? write_profile (profile.c:?)
[  202.156183][ T2961]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  202.156184][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156186][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156188][ T2961]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  202.156191][ T2961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.156193][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156194][ T2961]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  202.156196][ T2961]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  202.156197][ T2961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.156199][ T2961]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  202.156200][ T2961]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  202.156203][ T2961]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  202.156204][ T2961]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  202.156205][ T2961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.156207][ T2961]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  202.156208][ T2961]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  202.156211][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156212][ T2961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.156214][ T2961]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  202.156216][ T2961]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  202.156218][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156220][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156221][ T2961]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  202.156223][ T2961]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  202.156225][ T2961]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  202.156227][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156228][ T2961]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  202.156230][ T2961]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  202.156232][ T2961]  ? copy_msghdr_from_user (net/socket.c:2650)
[  202.156234][ T2961]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  202.156235][ T2961]  ? move_addr_to_kernel (net/socket.c:258)
[  202.156236][ T2961]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  202.156239][ T2961]  ___sys_sendmsg (net/socket.c:2767)
[  202.156241][ T2961]  ? copy_msghdr_from_user (net/socket.c:2619)
[  202.156245][ T2961]  __sys_sendmsg (net/socket.c:2799)
[  202.156247][ T2961]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  202.156250][ T2961]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  202.156252][ T2961]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  202.156253][ T2961]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  202.156255][ T2961]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  202.156257][ T2961] RIP: 0033:0x7f40d997054e
[  202.156259][ T2961] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  202.156261][ T2961] RSP: 002b:00007ffc09817e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  202.156265][ T2961] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f40d997054e
[  202.156266][ T2961] RDX: 0000000000000000 RSI: 00007ffc09817f40 RDI: 0000000000000005
[  202.156267][ T2961] RBP: 00007ffc09817ea0 R08: 0000000000000000 R09: 0000000000000000
[  202.156268][ T2961] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910803
[  202.156269][ T2961] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc09818600
| [  218.487222][ T3053] softirqs last disabled at (0): 0x0
| [  218.487224][ T3053] Preemption disabled at:
| [  218.487225][ T3053] 0x0
| [  218.487233][ T3053] Tainted: [W]=WARN
[  218.487234][ T3053] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  218.487236][ T3053] Call Trace:
[  218.487238][ T3053]  <TASK>
[  218.487239][ T3053]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  218.487244][ T3053]  __might_resched.cold (kernel/sched/core.c:9234)
[  218.487248][ T3053]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  218.487252][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487256][ T3053]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  218.487259][ T3053]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  218.487262][ T3053]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.487266][ T3053]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  218.487268][ T3053]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  218.487270][ T3053]  put_chars (drivers/char/virtio_console.c:1176)
[  218.487272][ T3053]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  218.487273][ T3053]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  218.487277][ T3053]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  218.487280][ T3053]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  218.487283][ T3053]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  218.487284][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487286][ T3053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.487288][ T3053]  console_emit_next_record (kernel/printk/printk.c:3183)
[  218.487291][ T3053]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  218.487293][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487295][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487296][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487298][ T3053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.487300][ T3053]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  218.487301][ T3053]  console_flush_one_record (kernel/printk/printk.c:3268)
[  218.487304][ T3053]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  218.487306][ T3053]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  218.487308][ T3053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.487309][ T3053]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  218.487311][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487313][ T3053]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  218.487314][ T3053]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  218.487315][ T3053]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  218.487318][ T3053]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  218.487320][ T3053]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  218.487322][ T3053]  vprintk_emit (kernel/printk/printk.c:2479)
[  218.487324][ T3053]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  218.487326][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487327][ T3053]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  218.487330][ T3053]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  218.487332][ T3053]  _printk (kernel/printk/printk.c:2504)
[  218.487335][ T3053]  ? snapshot_read.cold (user.c:?)
[  218.487337][ T3053]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  218.487342][ T3053] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  218.487354][ T3053] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  218.487362][ T3053] br_device_event (net/bridge/br.c:111) bridge
[  218.487371][ T3053]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  218.487374][ T3053]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  218.487376][ T3053]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  218.487380][ T3053]  notifier_call_chain (kernel/notifier.c:85)
[  218.487383][ T3053]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  218.487393][ T3053]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  218.487394][ T3053]  ? netif_change_name (net/core/dev.c:1517)
[  218.487397][ T3053]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  218.487399][ T3053]  ? __kernel_text_address (kernel/extable.c:79)
[  218.487401][ T3053]  ? write_profile (profile.c:?)
[  218.487403][ T3053]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  218.487406][ T3053]  netif_change_flags (net/core/dev.c:9882)
[  218.487409][ T3053]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  218.487412][ T3053]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  218.487413][ T3053]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  218.487414][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487416][ T3053]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  218.487420][ T3053]  ? kasan_save_stack (mm/kasan/common.c:58)
[  218.487423][ T3053]  ? kasan_save_stack (mm/kasan/common.c:57)
[  218.487424][ T3053]  ? kasan_save_track (mm/kasan/common.c:78)
[  218.487426][ T3053]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  218.487427][ T3053]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  218.487429][ T3053]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  218.487430][ T3053]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  218.487431][ T3053]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  218.487434][ T3053]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  218.487435][ T3053]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  218.487436][ T3053]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  218.487439][ T3053]  ? ___sys_sendmsg (net/socket.c:2767)
[  218.487440][ T3053]  ? __sys_sendmsg (net/socket.c:2799)
[  218.487442][ T3053]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  218.487444][ T3053]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  218.487446][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487448][ T3053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.487450][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487451][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487453][ T3053]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  218.487456][ T3053]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  218.487458][ T3053]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  218.487459][ T3053]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  218.487461][ T3053]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  218.487463][ T3053]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  218.487465][ T3053]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  218.487467][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487469][ T3053]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.487470][ T3053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.487471][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487473][ T3053]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  218.487476][ T3053]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  218.487478][ T3053]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  218.487480][ T3053]  ? __kernel_text_address (kernel/extable.c:79)
[  218.487481][ T3053]  ? write_profile (profile.c:?)
[  218.487482][ T3053]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  218.487483][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487485][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487487][ T3053]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  218.487492][ T3053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.487494][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487496][ T3053]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  218.487498][ T3053]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  218.487499][ T3053]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.487500][ T3053]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  218.487502][ T3053]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  218.487504][ T3053]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  218.487506][ T3053]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  218.487507][ T3053]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  218.487509][ T3053]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  218.487510][ T3053]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  218.487512][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487514][ T3053]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  218.487516][ T3053]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  218.487518][ T3053]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  218.487520][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487521][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487523][ T3053]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  218.487525][ T3053]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  218.487527][ T3053]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  218.487529][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487530][ T3053]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  218.487532][ T3053]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  218.487534][ T3053]  ? copy_msghdr_from_user (net/socket.c:2650)
[  218.487535][ T3053]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  218.487537][ T3053]  ? move_addr_to_kernel (net/socket.c:258)
[  218.487538][ T3053]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  218.487541][ T3053]  ___sys_sendmsg (net/socket.c:2767)
[  218.487542][ T3053]  ? copy_msghdr_from_user (net/socket.c:2619)
[  218.487547][ T3053]  __sys_sendmsg (net/socket.c:2799)
[  218.487549][ T3053]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  218.487552][ T3053]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  218.487554][ T3053]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  218.487555][ T3053]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  218.487557][ T3053]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  218.487558][ T3053] RIP: 0033:0x7f90d635454e
[  218.487560][ T3053] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  218.487563][ T3053] RSP: 002b:00007ffc1dfb8260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  218.487567][ T3053] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f90d635454e
[  218.487568][ T3053] RDX: 0000000000000000 RSI: 00007ffc1dfb8310 RDI: 0000000000000005
[  218.487569][ T3053] RBP: 00007ffc1dfb8270 R08: 0000000000000000 R09: 0000000000000000
[  218.487570][ T3053] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910813
[  218.487571][ T3053] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1dfb89d0
| [  224.240160][ T3107] softirqs last disabled at (0): 0x0
| [  224.240162][ T3107] Preemption disabled at:
| [  224.240163][ T3107] 0x0
| [  224.240172][ T3107] Tainted: [W]=WARN
[  224.240173][ T3107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  224.240175][ T3107] Call Trace:
[  224.240176][ T3107]  <TASK>
[  224.240178][ T3107]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  224.240183][ T3107]  __might_resched.cold (kernel/sched/core.c:9234)
[  224.240187][ T3107]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  224.240191][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240195][ T3107]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  224.240198][ T3107]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  224.240201][ T3107]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  224.240206][ T3107]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  224.240207][ T3107]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  224.240209][ T3107]  put_chars (drivers/char/virtio_console.c:1176)
[  224.240211][ T3107]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  224.240213][ T3107]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  224.240217][ T3107]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  224.240220][ T3107]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  224.240222][ T3107]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  224.240224][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240225][ T3107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.240227][ T3107]  console_emit_next_record (kernel/printk/printk.c:3183)
[  224.240230][ T3107]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  224.240232][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240233][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240235][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240237][ T3107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.240239][ T3107]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  224.240240][ T3107]  console_flush_one_record (kernel/printk/printk.c:3268)
[  224.240243][ T3107]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  224.240245][ T3107]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  224.240247][ T3107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.240248][ T3107]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  224.240250][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240252][ T3107]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  224.240253][ T3107]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  224.240254][ T3107]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  224.240257][ T3107]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  224.240258][ T3107]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  224.240260][ T3107]  vprintk_emit (kernel/printk/printk.c:2479)
[  224.240263][ T3107]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  224.240264][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240266][ T3107]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  224.240269][ T3107]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  224.240270][ T3107]  _printk (kernel/printk/printk.c:2504)
[  224.240274][ T3107]  ? snapshot_read.cold (user.c:?)
[  224.240276][ T3107]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  224.240281][ T3107] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  224.240294][ T3107] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  224.240302][ T3107] br_device_event (net/bridge/br.c:111) bridge
[  224.240310][ T3107]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  224.240313][ T3107]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  224.240316][ T3107]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  224.240319][ T3107]  notifier_call_chain (kernel/notifier.c:85)
[  224.240322][ T3107]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  224.240326][ T3107]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  224.240327][ T3107]  ? netif_change_name (net/core/dev.c:1517)
[  224.240330][ T3107]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  224.240331][ T3107]  ? __kernel_text_address (kernel/extable.c:79)
[  224.240334][ T3107]  ? write_profile (profile.c:?)
[  224.240336][ T3107]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  224.240339][ T3107]  netif_change_flags (net/core/dev.c:9882)
[  224.240341][ T3107]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  224.240344][ T3107]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  224.240346][ T3107]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  224.240347][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240348][ T3107]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  224.240353][ T3107]  ? kasan_save_stack (mm/kasan/common.c:58)
[  224.240355][ T3107]  ? kasan_save_stack (mm/kasan/common.c:57)
[  224.240357][ T3107]  ? kasan_save_track (mm/kasan/common.c:78)
[  224.240358][ T3107]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  224.240360][ T3107]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  224.240362][ T3107]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  224.240363][ T3107]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  224.240364][ T3107]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  224.240366][ T3107]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  224.240368][ T3107]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  224.240369][ T3107]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  224.240371][ T3107]  ? ___sys_sendmsg (net/socket.c:2767)
[  224.240373][ T3107]  ? __sys_sendmsg (net/socket.c:2799)
[  224.240374][ T3107]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  224.240377][ T3107]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  224.240379][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240381][ T3107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.240383][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240384][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240386][ T3107]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  224.240389][ T3107]  ? __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)
[  224.240390][ T3107]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  224.240398][ T3107]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  224.240399][ T3107]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  224.240401][ T3107]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  224.240403][ T3107]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  224.240405][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240407][ T3107]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  224.240408][ T3107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.240410][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240412][ T3107]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  224.240415][ T3107]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  224.240417][ T3107]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  224.240418][ T3107]  ? __kernel_text_address (kernel/extable.c:79)
[  224.240419][ T3107]  ? write_profile (profile.c:?)
[  224.240420][ T3107]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  224.240422][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240423][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240425][ T3107]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  224.240429][ T3107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.240430][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240432][ T3107]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  224.240433][ T3107]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  224.240435][ T3107]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  224.240436][ T3107]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  224.240438][ T3107]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  224.240440][ T3107]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  224.240441][ T3107]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  224.240443][ T3107]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  224.240444][ T3107]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  224.240446][ T3107]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  224.240448][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240450][ T3107]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  224.240452][ T3107]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  224.240454][ T3107]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  224.240455][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240457][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240458][ T3107]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  224.240460][ T3107]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  224.240462][ T3107]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  224.240464][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240466][ T3107]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  224.240467][ T3107]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  224.240469][ T3107]  ? copy_msghdr_from_user (net/socket.c:2650)
[  224.240471][ T3107]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  224.240472][ T3107]  ? move_addr_to_kernel (net/socket.c:258)
[  224.240474][ T3107]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  224.240476][ T3107]  ___sys_sendmsg (net/socket.c:2767)
[  224.240478][ T3107]  ? copy_msghdr_from_user (net/socket.c:2619)
[  224.240483][ T3107]  __sys_sendmsg (net/socket.c:2799)
[  224.240485][ T3107]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  224.240487][ T3107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  224.240489][ T3107]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  224.240493][ T3107]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  224.240496][ T3107]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  224.240497][ T3107] RIP: 0033:0x7fe187d0954e
[  224.240499][ T3107] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  224.240502][ T3107] RSP: 002b:00007ffd48b1ea50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  224.240505][ T3107] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe187d0954e
[  224.240507][ T3107] RDX: 0000000000000000 RSI: 00007ffd48b1eb00 RDI: 0000000000000005
[  224.240508][ T3107] RBP: 00007ffd48b1ea60 R08: 0000000000000000 R09: 0000000000000000
[  224.240508][ T3107] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910819


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_stp_disable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars