======================================
| [   11.493663][  T200] softirqs last disabled at (45505): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.493665][  T200] Preemption disabled at:
| [   11.493666][  T200] 0x0
| [   11.493676][  T200] Tainted: [W]=WARN
[   11.493677][  T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.493679][  T200] Call Trace:
[   11.493681][  T200]  <TASK>
[   11.493682][  T200]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.493689][  T200]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.493693][  T200]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.493698][  T200]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.493703][  T200]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.493706][  T200]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.493712][  T200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.493715][  T200]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.493718][  T200]  put_chars (drivers/char/virtio_console.c:1176)
[   11.493721][  T200]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.493722][  T200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.493727][  T200]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.493733][  T200]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.493740][  T200]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.493743][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.493745][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.493750][  T200]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.493753][  T200]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.493755][  T200]  ? 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))
[   11.493759][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.493761][  T200]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.493765][  T200]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.493769][  T200]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.493771][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.493777][  T200]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.493779][  T200]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.493781][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.493784][  T200]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.493787][  T200]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.493789][  T200]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.493792][  T200]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.493796][  T200]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.493799][  T200]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.493803][  T200]  _printk (kernel/printk/printk.c:2504)
[   11.493807][  T200]  ? snapshot_read.cold (user.c:?)
[   11.493810][  T200]  ? 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)
[   11.493813][  T200]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.493817][  T200]  ? 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)
[   11.493819][  T200]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   11.493823][  T200]  ? exit_notify (kernel/exit.c:780)
[   11.493825][  T200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.493828][  T200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.493832][  T200]  do_group_exit (kernel/exit.c:1151)
[   11.493835][  T200]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   11.493837][  T200]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   11.493839][  T200]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.493842][  T200]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.493845][  T200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.493847][  T200] RIP: 0033:0x7fcbcfcc01b8
[   11.493850][  T200] Code: Unable to access opcode bytes at 0x7fcbcfcc018e.

Code starting with the faulting instruction
===========================================
[   11.493851][  T200] RSP: 002b:00007ffea413fa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   11.493854][  T200] RAX: ffffffffffffffda RBX: 00007fcbcfdf0f88 RCX: 00007fcbcfcc01b8
[   11.493855][  T200] RDX: 00007fcbcfa0afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   11.493856][  T200] RBP: 00007ffea413fa90 R08: 0000000000000000 R09: 0000000000008010
[   11.493857][  T200] R10: 00007ffea413f850 R11: 0000000000000246 R12: 0000000000000001
[   11.493858][  T200] R13: 0000000000000000 R14: 00007fcbcfdef680 R15: 00007fcbcfdf0fa0
| [   13.547936][  T266] softirqs last disabled at (20943): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.547939][  T266] Preemption disabled at:
| [   13.547940][  T266] 0x0
| [   13.547954][  T266] Tainted: [W]=WARN
[   13.547955][  T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.547958][  T266] Call Trace:
[   13.547960][  T266]  <TASK>
[   13.547963][  T266]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.547971][  T266]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.547978][  T266]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.547983][  T266]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.547991][  T266]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.547995][  T266]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.548004][  T266]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.548008][  T266]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.548013][  T266]  put_chars (drivers/char/virtio_console.c:1176)
[   13.548018][  T266]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.548020][  T266]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.548027][  T266]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.548036][  T266]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.548047][  T266]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.548051][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.548054][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.548061][  T266]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.548068][  T266]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.548071][  T266]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.548076][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.548080][  T266]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.548087][  T266]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.548094][  T266]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.548097][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.548107][  T266]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.548112][  T266]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.548114][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.548118][  T266]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.548125][  T266]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.548128][  T266]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.548133][  T266]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.548140][  T266]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.548146][  T266]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.548155][  T266]  _printk (kernel/printk/printk.c:2504)
[   13.548160][  T266]  ? snapshot_read.cold (user.c:?)
[   13.548165][  T266]  ? 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)
[   13.548169][  T266]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.548176][  T266]  ? 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)
[   13.548181][  T266]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   13.548186][  T266]  ? exit_notify (kernel/exit.c:780)
[   13.548189][  T266]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.548194][  T266]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.548201][  T266]  do_group_exit (kernel/exit.c:1151)
[   13.548206][  T266]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   13.548209][  T266]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   13.548213][  T266]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.548217][  T266]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.548222][  T266]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.548226][  T266] RIP: 0033:0x7fc0a60bd1b8
[   13.548229][  T266] Code: Unable to access opcode bytes at 0x7fc0a60bd18e.

Code starting with the faulting instruction
===========================================
[   13.548231][  T266] RSP: 002b:00007fffb1022178 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   13.548234][  T266] RAX: ffffffffffffffda RBX: 00007fc0a61edf88 RCX: 00007fc0a60bd1b8
[   13.548236][  T266] RDX: 00007fc0a5e07fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   13.548238][  T266] RBP: 00007fffb10221d0 R08: 0000000000000000 R09: 0000000000000050
[   13.548240][  T266] R10: 00007fffb1021f90 R11: 0000000000000246 R12: 0000000000000001
[   13.548241][  T266] R13: 0000000000000000 R14: 00007fc0a61ec680 R15: 00007fc0a61edfa0
| [   21.044711][  T349] softirqs last disabled at (16618): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   21.044720][  T349] Preemption disabled at:
| [   21.044720][  T349] 0x0
| [   21.044731][  T349] Tainted: [W]=WARN
[   21.044731][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.044733][  T349] Call Trace:
[   21.044735][  T349]  <TASK>
[   21.044736][  T349]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.044743][  T349]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.044748][  T349]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.044752][  T349]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.044758][  T349]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.044760][  T349]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.044766][  T349]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.044768][  T349]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.044772][  T349]  put_chars (drivers/char/virtio_console.c:1176)
[   21.044774][  T349]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.044776][  T349]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   21.044780][  T349]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   21.044784][  T349]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.044786][  T349]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   21.044788][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.044790][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.044794][  T349]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.044795][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.044800][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.044804][  T349]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.044808][  T349]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.044810][  T349]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.044813][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.044817][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.044821][  T349]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.044825][  T349]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.044827][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.044833][  T349]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.044835][  T349]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.044837][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.044840][  T349]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.044843][  T349]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.044845][  T349]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.044849][  T349]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.044853][  T349]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.044855][  T349]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.044857][  T349]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.044860][  T349]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.044865][  T349]  _printk (kernel/printk/printk.c:2504)
[   21.044868][  T349]  ? snapshot_read.cold (user.c:?)
[   21.044876][  T349] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   21.044888][  T349] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   21.044898][  T349] br_device_event (net/bridge/br.c:111) bridge
[   21.044906][  T349]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   21.044910][  T349]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   21.044916][  T349]  notifier_call_chain (kernel/notifier.c:85)
[   21.044922][  T349]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   21.044927][  T349]  ? netif_change_name (net/core/dev.c:1517)
[   21.044931][  T349]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   21.044934][  T349]  ? __kernel_text_address (kernel/extable.c:79)
[   21.044936][  T349]  ? write_profile (profile.c:?)
[   21.044938][  T349]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.044943][  T349]  netif_change_flags (net/core/dev.c:9882)
[   21.044947][  T349]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   21.044951][  T349]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.044953][  T349]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.044955][  T349]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.044957][  T349]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.044960][  T349]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.044963][  T349]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.044965][  T349]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.044967][  T349]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.044970][  T349]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.044972][  T349]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.044975][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.044977][  T349]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   21.044979][  T349]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.044984][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.044986][  T349]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.044989][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.044991][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.044993][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.044995][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.044997][  T349]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.045001][  T349]  ? __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)
[   21.045003][  T349]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.045005][  T349]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.045008][  T349]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.045014][  T349]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.045019][  T349]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.045025][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.045027][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.045031][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.045033][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.045036][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.045037][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.045041][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.045043][  T349]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.045047][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.045048][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.045052][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.045054][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.045058][  T349]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.045060][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.045063][  T349]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.045069][  T349]  ? 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))
[   21.045070][  T349]  ? 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))
[   21.045075][  T349]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.045079][  T349]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.045081][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.045086][  T349]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.045089][  T349]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.045093][  T349]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.045099][  T349]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.045101][  T349]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.045104][  T349]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.045105][  T349]  ? move_addr_to_kernel (net/socket.c:258)
[   21.045113][  T349]  ___sys_sendmsg (net/socket.c:2767)
[   21.045116][  T349]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.045132][  T349]  __sys_sendmsg (net/socket.c:2799)
[   21.045135][  T349]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.045141][  T349]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   21.045144][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.045148][  T349]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.045150][  T349]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.045156][  T349]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.045158][  T349] RIP: 0033:0x7f122840654e
[   21.045160][  T349] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.045162][  T349] RSP: 002b:00007ffcd58cb680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.045165][  T349] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f122840654e
[   21.045167][  T349] RDX: 0000000000000000 RSI: 00007ffcd58cb730 RDI: 0000000000000005
[   21.045168][  T349] RBP: 00007ffcd58cb690 R08: 0000000000000000 R09: 0000000000000000
[   21.045169][  T349] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91513c
[   21.045170][  T349] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd58cbdf0
| [   26.332975][  T359] softirqs last disabled at (13380): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   26.332983][  T359] Preemption disabled at:
| [   26.332983][  T359] 0x0
| [   26.332993][  T359] Tainted: [W]=WARN
[   26.332994][  T359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.332996][  T359] Call Trace:
[   26.332998][  T359]  <TASK>
[   26.332999][  T359]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.333006][  T359]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.333010][  T359]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.333015][  T359]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.333020][  T359]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.333022][  T359]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.333028][  T359]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.333030][  T359]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.333034][  T359]  put_chars (drivers/char/virtio_console.c:1176)
[   26.333036][  T359]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   26.333038][  T359]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.333041][  T359]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.333044][  T359]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.333048][  T359]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.333051][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.333053][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.333057][  T359]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.333059][  T359]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   26.333062][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.333065][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.333069][  T359]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.333073][  T359]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.333075][  T359]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   26.333078][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.333081][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.333085][  T359]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.333089][  T359]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.333091][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.333096][  T359]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.333099][  T359]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.333101][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.333103][  T359]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.333107][  T359]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.333109][  T359]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.333112][  T359]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.333116][  T359]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.333119][  T359]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.333122][  T359]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.333126][  T359]  _printk (kernel/printk/printk.c:2504)
[   26.333129][  T359]  ? snapshot_read.cold (user.c:?)
[   26.333137][  T359] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   26.333147][  T359] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   26.333160][  T359] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   26.333169][  T359] br_dev_stop (net/bridge/br_device.c:193) bridge
[   26.333178][  T359]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.333181][  T359]  __dev_close_many (net/core/dev.c:1798)
[   26.333185][  T359]  ? netif_open (net/core/dev.c:1755)
[   26.333187][  T359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.333189][  T359]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.333194][  T359]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   26.333197][  T359]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   26.333200][  T359]  ? __kernel_text_address (kernel/extable.c:79)
[   26.333203][  T359]  ? write_profile (profile.c:?)
[   26.333205][  T359]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.333210][  T359]  netif_change_flags (net/core/dev.c:9877)
[   26.333214][  T359]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   26.333217][  T359]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.333219][  T359]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.333221][  T359]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.333223][  T359]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.333226][  T359]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.333229][  T359]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.333231][  T359]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.333233][  T359]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.333236][  T359]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.333238][  T359]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.333241][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.333243][  T359]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   26.333245][  T359]  ? ___sys_sendmsg (net/socket.c:2757)
[   26.333250][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.333252][  T359]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.333255][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.333257][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.333259][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.333260][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.333263][  T359]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.333267][  T359]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   26.333270][  T359]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.333272][  T359]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.333275][  T359]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.333281][  T359]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.333286][  T359]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.333291][  T359]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.333293][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.333298][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.333300][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.333302][  T359]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.333304][  T359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.333308][  T359]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.333310][  T359]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.333313][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.333314][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.333319][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.333321][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.333324][  T359]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.333326][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.333329][  T359]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.333335][  T359]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.333337][  T359]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.333341][  T359]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.333345][  T359]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.333348][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.333352][  T359]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.333356][  T359]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.333360][  T359]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.333365][  T359]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.333368][  T359]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.333370][  T359]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.333372][  T359]  ? move_addr_to_kernel (net/socket.c:258)
[   26.333385][  T359]  ___sys_sendmsg (net/socket.c:2767)
[   26.333390][  T359]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.333408][  T359]  __sys_sendmsg (net/socket.c:2799)
[   26.333411][  T359]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.333417][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.333421][  T359]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.333424][  T359]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.333427][  T359]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.333429][  T359] RIP: 0033:0x7fcc63c2854e
[   26.333431][  T359] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.333433][  T359] RSP: 002b:00007ffcc0a68a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.333436][  T359] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcc63c2854e
[   26.333437][  T359] RDX: 0000000000000000 RSI: 00007ffcc0a68b30 RDI: 0000000000000005
[   26.333438][  T359] RBP: 00007ffcc0a68a90 R08: 0000000000000000 R09: 0000000000000000
[   26.333439][  T359] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915141
[   26.333440][  T359] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc0a691f0
| [   27.349555][  T385] softirqs last disabled at (19480): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   27.349562][  T385] Preemption disabled at:
| [   27.349563][  T385] 0x0
| [   27.349573][  T385] Tainted: [W]=WARN
[   27.349574][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.349576][  T385] Call Trace:
[   27.349578][  T385]  <TASK>
[   27.349579][  T385]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.349592][  T385]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.349597][  T385]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.349601][  T385]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.349606][  T385]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.349609][  T385]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.349615][  T385]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.349618][  T385]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.349621][  T385]  put_chars (drivers/char/virtio_console.c:1176)
[   27.349624][  T385]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.349627][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.349631][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.349633][  T385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.349637][  T385]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.349640][  T385]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.349642][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.349644][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.349648][  T385]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.349649][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.349653][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.349657][  T385]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.349661][  T385]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.349663][  T385]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   27.349666][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.349668][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.349672][  T385]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.349677][  T385]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.349678][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.349684][  T385]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.349686][  T385]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.349688][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.349691][  T385]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.349694][  T385]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.349696][  T385]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.349700][  T385]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.349704][  T385]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.349706][  T385]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.349708][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.349711][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.349714][  T385]  _printk (kernel/printk/printk.c:2504)
[   27.349718][  T385]  ? snapshot_read.cold (user.c:?)
[   27.349726][  T385] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   27.349737][  T385] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   27.349747][  T385] br_device_event (net/bridge/br.c:111) bridge
[   27.349754][  T385]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   27.349758][  T385]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   27.349764][  T385]  notifier_call_chain (kernel/notifier.c:85)
[   27.349770][  T385]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   27.349774][  T385]  ? netif_change_name (net/core/dev.c:1517)
[   27.349778][  T385]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   27.349781][  T385]  ? __kernel_text_address (kernel/extable.c:79)
[   27.349783][  T385]  ? write_profile (profile.c:?)
[   27.349786][  T385]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   27.349791][  T385]  netif_change_flags (net/core/dev.c:9882)
[   27.349795][  T385]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   27.349799][  T385]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   27.349801][  T385]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   27.349802][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.349804][  T385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.349807][  T385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.349810][  T385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.349812][  T385]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.349814][  T385]  ? kasan_save_stack (mm/kasan/common.c:58)
[   27.349817][  T385]  ? kasan_save_stack (mm/kasan/common.c:57)
[   27.349819][  T385]  ? kasan_save_track (mm/kasan/common.c:78)
[   27.349822][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.349824][  T385]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   27.349827][  T385]  ? ___sys_sendmsg (net/socket.c:2757)
[   27.349831][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.349833][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.349836][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.349838][  T385]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.349840][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.349842][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.349844][  T385]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   27.349848][  T385]  ? __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)
[   27.349850][  T385]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   27.349852][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   27.349855][  T385]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.349861][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   27.349866][  T385]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   27.349871][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.349873][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.349878][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.349879][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.349881][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.349883][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.349887][  T385]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   27.349889][  T385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   27.349892][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.349894][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.349898][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.349900][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.349903][  T385]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   27.349905][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   27.349908][  T385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.349914][  T385]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.349916][  T385]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.349920][  T385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.349924][  T385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.349927][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.349931][  T385]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   27.349935][  T385]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   27.349939][  T385]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.349944][  T385]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   27.349947][  T385]  ? copy_msghdr_from_user (net/socket.c:2650)
[   27.349949][  T385]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   27.349950][  T385]  ? move_addr_to_kernel (net/socket.c:258)
[   27.349958][  T385]  ___sys_sendmsg (net/socket.c:2767)
[   27.349961][  T385]  ? copy_msghdr_from_user (net/socket.c:2619)
[   27.349977][  T385]  __sys_sendmsg (net/socket.c:2799)
[   27.349979][  T385]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   27.349986][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.349990][  T385]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.349992][  T385]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   27.349995][  T385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.349997][  T385] RIP: 0033:0x7f296668f54e
[   27.350000][  T385] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.350002][  T385] RSP: 002b:00007fffed5b1380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.350004][  T385] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f296668f54e
[   27.350006][  T385] RDX: 0000000000000000 RSI: 00007fffed5b1430 RDI: 0000000000000005
[   27.350007][  T385] RBP: 00007fffed5b1390 R08: 0000000000000000 R09: 0000000000000000
[   27.350008][  T385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915142
[   27.350008][  T385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffed5b1af0
| [   32.676867][  T394] softirqs last disabled at (12194): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   32.676881][  T394] Preemption disabled at:
| [   32.676882][  T394] 0x0
| [   32.676895][  T394] Tainted: [W]=WARN
[   32.676896][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.676899][  T394] Call Trace:
[   32.676901][  T394]  <TASK>
[   32.676904][  T394]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.676913][  T394]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.676919][  T394]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.676926][  T394]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.676933][  T394]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   32.676937][  T394]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.676947][  T394]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.676950][  T394]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.676956][  T394]  put_chars (drivers/char/virtio_console.c:1176)
[   32.676959][  T394]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   32.676963][  T394]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.676968][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.676973][  T394]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.676981][  T394]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.676984][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.676987][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.676995][  T394]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.676997][  T394]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   32.677003][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.677008][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.677015][  T394]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.677022][  T394]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.677025][  T394]  ? 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))
[   32.677030][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.677034][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.677042][  T394]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.677050][  T394]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.677052][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.677065][  T394]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.677070][  T394]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.677073][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.677077][  T394]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.677084][  T394]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.677087][  T394]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.677093][  T394]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.677100][  T394]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.677105][  T394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.677109][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.677116][  T394]  _printk (kernel/printk/printk.c:2504)
[   32.677121][  T394]  ? snapshot_read.cold (user.c:?)
[   32.677137][  T394] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   32.677156][  T394] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   32.677173][  T394] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   32.677188][  T394] br_dev_stop (net/bridge/br_device.c:193) bridge
[   32.677204][  T394]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.677208][  T394]  __dev_close_many (net/core/dev.c:1798)
[   32.677214][  T394]  ? netif_open (net/core/dev.c:1755)
[   32.677221][  T394]  ? __local_bh_enable_ip (kernel/softirq.c:478)
[   32.677229][  T394]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   32.677235][  T394]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   32.677240][  T394]  ? __kernel_text_address (kernel/extable.c:79)
[   32.677244][  T394]  ? write_profile (profile.c:?)
[   32.677247][  T394]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.677255][  T394]  netif_change_flags (net/core/dev.c:9877)
[   32.677262][  T394]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   32.677269][  T394]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.677272][  T394]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.677274][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.677277][  T394]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.677282][  T394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.677286][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.677289][  T394]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.677294][  T394]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.677298][  T394]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.677301][  T394]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.677306][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.677309][  T394]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   32.677313][  T394]  ? ___sys_sendmsg (net/socket.c:2757)
[   32.677320][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.677324][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.677329][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.677333][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.677335][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.677338][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.677342][  T394]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.677348][  T394]  ? __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)
[   32.677351][  T394]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.677355][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.677362][  T394]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.677373][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.677383][  T394]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.677393][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.677396][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.677404][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.677407][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.677411][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.677414][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.677422][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.677426][  T394]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.677432][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.677434][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.677443][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.677446][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.677453][  T394]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.677456][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.677462][  T394]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.677474][  T394]  ? 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))
[   32.677477][  T394]  ? 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))
[   32.677485][  T394]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.677493][  T394]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.677498][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.677506][  T394]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.677513][  T394]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.677521][  T394]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.677530][  T394]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.677534][  T394]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.677538][  T394]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.677541][  T394]  ? move_addr_to_kernel (net/socket.c:258)
[   32.677556][  T394]  ___sys_sendmsg (net/socket.c:2767)
[   32.677561][  T394]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.677595][  T394]  __sys_sendmsg (net/socket.c:2799)
[   32.677600][  T394]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.677612][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.677624][  T394]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.677628][  T394]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.677633][  T394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.677636][  T394] RIP: 0033:0x7f2e7e79954e
[   32.677640][  T394] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.677643][  T394] RSP: 002b:00007ffe934e5140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.677647][  T394] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2e7e79954e
[   32.677649][  T394] RDX: 0000000000000000 RSI: 00007ffe934e51f0 RDI: 0000000000000005
[   32.677650][  T394] RBP: 00007ffe934e5150 R08: 0000000000000000 R09: 0000000000000000
[   32.677652][  T394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915147
[   32.677653][  T394] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe934e58b0
| [   40.976167][  T694] softirqs last disabled at (20526): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   40.976180][  T694] Preemption disabled at:
| [   40.976181][  T694] 0x0
| [   40.976196][  T694] Tainted: [W]=WARN
[   40.976197][  T694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.976199][  T694] Call Trace:
[   40.976202][  T694]  <TASK>
[   40.976204][  T694]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   40.976212][  T694]  __might_resched.cold (kernel/sched/core.c:9234)
[   40.976219][  T694]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   40.976225][  T694]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   40.976233][  T694]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   40.976237][  T694]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.976246][  T694]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   40.976249][  T694]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   40.976255][  T694]  put_chars (drivers/char/virtio_console.c:1176)
[   40.976259][  T694]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   40.976264][  T694]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.976270][  T694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.976274][  T694]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.976281][  T694]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   40.976285][  T694]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   40.976288][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.976290][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.976298][  T694]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   40.976300][  T694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.976308][  T694]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.976316][  T694]  console_emit_next_record (kernel/printk/printk.c:3183)
[   40.976322][  T694]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   40.976325][  T694]  ? 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))
[   40.976330][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.976334][  T694]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.976341][  T694]  console_flush_one_record (kernel/printk/printk.c:3268)
[   40.976349][  T694]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   40.976352][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.976361][  T694]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   40.976366][  T694]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   40.976369][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.976373][  T694]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   40.976379][  T694]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   40.976382][  T694]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   40.976388][  T694]  vprintk_emit (kernel/printk/printk.c:2479)
[   40.976395][  T694]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   40.976398][  T694]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   40.976402][  T694]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.976406][  T694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.976413][  T694]  _printk (kernel/printk/printk.c:2504)
[   40.976418][  T694]  ? snapshot_read.cold (user.c:?)
[   40.976433][  T694] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   40.976452][  T694] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   40.976469][  T694] br_device_event (net/bridge/br.c:111) bridge
[   40.976482][  T694]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   40.976488][  T694]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   40.976499][  T694]  notifier_call_chain (kernel/notifier.c:85)
[   40.976509][  T694]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   40.976517][  T694]  ? netif_change_name (net/core/dev.c:1517)
[   40.976524][  T694]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   40.976529][  T694]  ? __kernel_text_address (kernel/extable.c:79)
[   40.976532][  T694]  ? write_profile (profile.c:?)
[   40.976536][  T694]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   40.976543][  T694]  netif_change_flags (net/core/dev.c:9882)
[   40.976550][  T694]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   40.976557][  T694]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   40.976561][  T694]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   40.976563][  T694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   40.976566][  T694]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   40.976571][  T694]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   40.976575][  T694]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   40.976578][  T694]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   40.976582][  T694]  ? kasan_save_stack (mm/kasan/common.c:58)
[   40.976587][  T694]  ? kasan_save_stack (mm/kasan/common.c:57)
[   40.976589][  T694]  ? kasan_save_track (mm/kasan/common.c:78)
[   40.976594][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.976597][  T694]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   40.976601][  T694]  ? ___sys_sendmsg (net/socket.c:2757)
[   40.976608][  T694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.976611][  T694]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.976616][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.976620][  T694]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   40.976622][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.976625][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.976629][  T694]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   40.976635][  T694]  ? __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)
[   40.976637][  T694]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   40.976641][  T694]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   40.976648][  T694]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   40.976658][  T694]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   40.976676][  T694]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   40.976686][  T694]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.976690][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.976698][  T694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.976701][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.976705][  T694]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.976709][  T694]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   40.976715][  T694]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   40.976719][  T694]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   40.976725][  T694]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.976727][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.976735][  T694]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   40.976738][  T694]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   40.976745][  T694]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   40.976748][  T694]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   40.976754][  T694]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   40.976766][  T694]  ? 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))
[   40.976768][  T694]  ? 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))
[   40.976777][  T694]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   40.976784][  T694]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   40.976788][  T694]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   40.976796][  T694]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   40.976803][  T694]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   40.976810][  T694]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   40.976820][  T694]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   40.976824][  T694]  ? copy_msghdr_from_user (net/socket.c:2650)
[   40.976827][  T694]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   40.976830][  T694]  ? move_addr_to_kernel (net/socket.c:258)
[   40.976844][  T694]  ___sys_sendmsg (net/socket.c:2767)
[   40.976849][  T694]  ? copy_msghdr_from_user (net/socket.c:2619)
[   40.976881][  T694]  __sys_sendmsg (net/socket.c:2799)
[   40.976885][  T694]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   40.976897][  T694]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   40.976904][  T694]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   40.976908][  T694]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   40.976913][  T694]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   40.976917][  T694] RIP: 0033:0x7efc82b8254e
[   40.976921][  T694] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   40.976924][  T694] RSP: 002b:00007fff728799b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   40.976928][  T694] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efc82b8254e
[   40.976930][  T694] RDX: 0000000000000000 RSI: 00007fff72879a60 RDI: 0000000000000005
[   40.976931][  T694] RBP: 00007fff728799c0 R08: 0000000000000000 R09: 0000000000000000
[   40.976933][  T694] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915150
[   40.976934][  T694] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7287a120
| [   46.351468][  T703] softirqs last disabled at (14430): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   46.351481][  T703] Preemption disabled at:
| [   46.351482][  T703] 0x0
| [   46.351494][  T703] Tainted: [W]=WARN
[   46.351495][  T703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.351497][  T703] Call Trace:
[   46.351499][  T703]  <TASK>
[   46.351501][  T703]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.351509][  T703]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.351515][  T703]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.351521][  T703]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.351529][  T703]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.351533][  T703]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.351542][  T703]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.351546][  T703]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.351551][  T703]  put_chars (drivers/char/virtio_console.c:1176)
[   46.351554][  T703]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   46.351558][  T703]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.351562][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.351567][  T703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.351575][  T703]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.351579][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.351581][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.351590][  T703]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.351592][  T703]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   46.351597][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.351602][  T703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.351609][  T703]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.351615][  T703]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.351618][  T703]  ? 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))
[   46.351623][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.351627][  T703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.351634][  T703]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.351642][  T703]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.351644][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.351654][  T703]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.351658][  T703]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.351661][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.351665][  T703]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.351671][  T703]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.351674][  T703]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.351679][  T703]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.351686][  T703]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.351697][  T703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.351702][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.351708][  T703]  _printk (kernel/printk/printk.c:2504)
[   46.351713][  T703]  ? snapshot_read.cold (user.c:?)
[   46.351728][  T703] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   46.351746][  T703] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   46.351762][  T703] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   46.351777][  T703] br_dev_stop (net/bridge/br_device.c:193) bridge
[   46.351792][  T703]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.351796][  T703]  __dev_close_many (net/core/dev.c:1798)
[   46.351802][  T703]  ? netif_open (net/core/dev.c:1755)
[   46.351804][  T703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.351809][  T703]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   46.351816][  T703]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   46.351822][  T703]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   46.351827][  T703]  ? __kernel_text_address (kernel/extable.c:79)
[   46.351830][  T703]  ? write_profile (profile.c:?)
[   46.351833][  T703]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.351841][  T703]  netif_change_flags (net/core/dev.c:9877)
[   46.351848][  T703]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   46.351854][  T703]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.351857][  T703]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.351859][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.351862][  T703]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.351867][  T703]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.351871][  T703]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.351874][  T703]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.351878][  T703]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.351882][  T703]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.351884][  T703]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.351889][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.351892][  T703]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   46.351896][  T703]  ? ___sys_sendmsg (net/socket.c:2757)
[   46.351903][  T703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.351906][  T703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.351911][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.351914][  T703]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.351917][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.351919][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.351923][  T703]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.351929][  T703]  ? __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)
[   46.351932][  T703]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.351936][  T703]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.351942][  T703]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.351952][  T703]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.351962][  T703]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.351972][  T703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.351975][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.351984][  T703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.351987][  T703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.351991][  T703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.351994][  T703]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.352001][  T703]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.352004][  T703]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.352010][  T703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.352012][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.352020][  T703]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.352023][  T703]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.352029][  T703]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.352032][  T703]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.352037][  T703]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.352051][  T703]  ? 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))
[   46.352053][  T703]  ? 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))
[   46.352061][  T703]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.352068][  T703]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.352073][  T703]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.352081][  T703]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.352088][  T703]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.352094][  T703]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.352103][  T703]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.352106][  T703]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.352110][  T703]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.352112][  T703]  ? move_addr_to_kernel (net/socket.c:258)
[   46.352125][  T703]  ___sys_sendmsg (net/socket.c:2767)
[   46.352129][  T703]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.352158][  T703]  __sys_sendmsg (net/socket.c:2799)
[   46.352162][  T703]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.352172][  T703]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.352178][  T703]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.352181][  T703]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.352186][  T703]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.352189][  T703] RIP: 0033:0x7f653d37654e
[   46.352193][  T703] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.352195][  T703] RSP: 002b:00007ffcd493e050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.352199][  T703] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f653d37654e
[   46.352201][  T703] RDX: 0000000000000000 RSI: 00007ffcd493e100 RDI: 0000000000000005
[   46.352203][  T703] RBP: 00007ffcd493e060 R08: 0000000000000000 R09: 0000000000000000
[   46.352204][  T703] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915155
[   46.352206][  T703] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd493e7c0
| [   52.411023][  T738] softirqs last disabled at (12112): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   52.411044][  T738] Preemption disabled at:
| [   52.411045][  T738] 0x0
| [   52.411060][  T738] Tainted: [W]=WARN
[   52.411062][  T738] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   52.411064][  T738] Call Trace:
[   52.411067][  T738]  <TASK>
[   52.411071][  T738]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   52.411080][  T738]  __might_resched.cold (kernel/sched/core.c:9234)
[   52.411086][  T738]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   52.411092][  T738]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   52.411099][  T738]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   52.411102][  T738]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.411110][  T738]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   52.411114][  T738]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   52.411118][  T738]  put_chars (drivers/char/virtio_console.c:1176)
[   52.411121][  T738]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   52.411124][  T738]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   52.411129][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.411133][  T738]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.411140][  T738]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   52.411143][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.411145][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.411156][  T738]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   52.411158][  T738]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   52.411163][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.411167][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.411173][  T738]  console_emit_next_record (kernel/printk/printk.c:3183)
[   52.411179][  T738]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   52.411181][  T738]  ? 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))
[   52.411186][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.411189][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.411195][  T738]  console_flush_one_record (kernel/printk/printk.c:3268)
[   52.411201][  T738]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   52.411204][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.411212][  T738]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   52.411216][  T738]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   52.411219][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.411222][  T738]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   52.411228][  T738]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   52.411230][  T738]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   52.411235][  T738]  vprintk_emit (kernel/printk/printk.c:2479)
[   52.411242][  T738]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   52.411246][  T738]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.411250][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.411255][  T738]  _printk (kernel/printk/printk.c:2504)
[   52.411260][  T738]  ? snapshot_read.cold (user.c:?)
[   52.411270][  T738] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   52.411281][  T738] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   52.411290][  T738] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   52.411297][  T738] br_dev_stop (net/bridge/br_device.c:193) bridge
[   52.411306][  T738]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   52.411309][  T738]  __dev_close_many (net/core/dev.c:1798)
[   52.411313][  T738]  ? netif_open (net/core/dev.c:1755)
[   52.411315][  T738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.411317][  T738]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   52.411321][  T738]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   52.411325][  T738]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   52.411328][  T738]  ? __kernel_text_address (kernel/extable.c:79)
[   52.411330][  T738]  ? write_profile (profile.c:?)
[   52.411332][  T738]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   52.411337][  T738]  netif_change_flags (net/core/dev.c:9877)
[   52.411341][  T738]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   52.411344][  T738]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   52.411346][  T738]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   52.411347][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   52.411349][  T738]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   52.411353][  T738]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   52.411355][  T738]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   52.411357][  T738]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   52.411359][  T738]  ? kasan_save_stack (mm/kasan/common.c:58)
[   52.411362][  T738]  ? kasan_save_stack (mm/kasan/common.c:57)
[   52.411364][  T738]  ? kasan_save_track (mm/kasan/common.c:78)
[   52.411366][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.411368][  T738]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   52.411372][  T738]  ? ___sys_sendmsg (net/socket.c:2757)
[   52.411378][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.411381][  T738]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.411385][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.411389][  T738]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   52.411391][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.411393][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.411397][  T738]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   52.411402][  T738]  ? __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)
[   52.411406][  T738]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   52.411410][  T738]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   52.411415][  T738]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   52.411424][  T738]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   52.411432][  T738]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   52.411441][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.411444][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.411452][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.411454][  T738]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.411457][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.411460][  T738]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   52.411466][  T738]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   52.411469][  T738]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   52.411474][  T738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.411475][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.411482][  T738]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   52.411485][  T738]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   52.411491][  T738]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   52.411493][  T738]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   52.411496][  T738]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   52.411502][  T738]  ? 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))
[   52.411503][  T738]  ? 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))
[   52.411507][  T738]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   52.411511][  T738]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   52.411514][  T738]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   52.411518][  T738]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   52.411521][  T738]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   52.411525][  T738]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   52.411530][  T738]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   52.411533][  T738]  ? copy_msghdr_from_user (net/socket.c:2650)
[   52.411535][  T738]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   52.411537][  T738]  ? move_addr_to_kernel (net/socket.c:258)
[   52.411544][  T738]  ___sys_sendmsg (net/socket.c:2767)
[   52.411546][  T738]  ? copy_msghdr_from_user (net/socket.c:2619)
[   52.411562][  T738]  __sys_sendmsg (net/socket.c:2799)
[   52.411564][  T738]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   52.411570][  T738]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   52.411574][  T738]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   52.411576][  T738]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   52.411579][  T738]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   52.411582][  T738] RIP: 0033:0x7ff2a541554e
[   52.411585][  T738] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   52.411588][  T738] RSP: 002b:00007ffc8fc35590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   52.411592][  T738] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff2a541554e
[   52.411597][  T738] RDX: 0000000000000000 RSI: 00007ffc8fc35640 RDI: 0000000000000005
[   52.411599][  T738] RBP: 00007ffc8fc355a0 R08: 0000000000000000 R09: 0000000000000000
[   52.411600][  T738] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91515b
[   52.411602][  T738] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8fc35d00
| [   55.594097][  T854] softirqs last disabled at (22586): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   55.594105][  T854] Preemption disabled at:
| [   55.594105][  T854] 0x0
| [   55.594115][  T854] Tainted: [W]=WARN
[   55.594115][  T854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.594117][  T854] Call Trace:
[   55.594119][  T854]  <TASK>
[   55.594120][  T854]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   55.594127][  T854]  __might_resched.cold (kernel/sched/core.c:9234)
[   55.594131][  T854]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   55.594135][  T854]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   55.594141][  T854]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   55.594143][  T854]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.594148][  T854]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   55.594153][  T854]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   55.594156][  T854]  put_chars (drivers/char/virtio_console.c:1176)
[   55.594159][  T854]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   55.594162][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.594166][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.594168][  T854]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.594172][  T854]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   55.594175][  T854]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   55.594177][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.594179][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.594183][  T854]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   55.594184][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.594188][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.594192][  T854]  console_emit_next_record (kernel/printk/printk.c:3183)
[   55.594196][  T854]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   55.594198][  T854]  ? 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))
[   55.594201][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.594203][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.594207][  T854]  console_flush_one_record (kernel/printk/printk.c:3268)
[   55.594211][  T854]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   55.594213][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.594218][  T854]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   55.594221][  T854]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   55.594223][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.594225][  T854]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   55.594229][  T854]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   55.594230][  T854]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   55.594234][  T854]  vprintk_emit (kernel/printk/printk.c:2479)
[   55.594238][  T854]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   55.594240][  T854]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   55.594242][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.594245][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.594248][  T854]  _printk (kernel/printk/printk.c:2504)
[   55.594252][  T854]  ? snapshot_read.cold (user.c:?)
[   55.594259][  T854] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   55.594270][  T854] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   55.594280][  T854] br_device_event (net/bridge/br.c:111) bridge
[   55.594287][  T854]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   55.594291][  T854]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   55.594297][  T854]  notifier_call_chain (kernel/notifier.c:85)
[   55.594302][  T854]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   55.594307][  T854]  ? netif_change_name (net/core/dev.c:1517)
[   55.594311][  T854]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   55.594314][  T854]  ? __kernel_text_address (kernel/extable.c:79)
[   55.594316][  T854]  ? write_profile (profile.c:?)
[   55.594319][  T854]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.594323][  T854]  netif_change_flags (net/core/dev.c:9882)
[   55.594327][  T854]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   55.594331][  T854]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   55.594333][  T854]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   55.594334][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.594336][  T854]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.594339][  T854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   55.594342][  T854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.594343][  T854]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   55.594346][  T854]  ? kasan_save_stack (mm/kasan/common.c:58)
[   55.594349][  T854]  ? kasan_save_stack (mm/kasan/common.c:57)
[   55.594350][  T854]  ? kasan_save_track (mm/kasan/common.c:78)
[   55.594353][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.594355][  T854]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   55.594358][  T854]  ? ___sys_sendmsg (net/socket.c:2757)
[   55.594363][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.594365][  T854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.594367][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.594370][  T854]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   55.594372][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.594375][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.594379][  T854]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   55.594384][  T854]  ? __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)
[   55.594386][  T854]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   55.594388][  T854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   55.594391][  T854]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   55.594396][  T854]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   55.594401][  T854]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   55.594407][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.594409][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.594413][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.594415][  T854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.594417][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.594419][  T854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   55.594422][  T854]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   55.594424][  T854]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   55.594428][  T854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.594429][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.594433][  T854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   55.594435][  T854]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   55.594438][  T854]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   55.594440][  T854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.594443][  T854]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.594449][  T854]  ? 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))
[   55.594451][  T854]  ? 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))
[   55.594455][  T854]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.594459][  T854]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.594461][  T854]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   55.594465][  T854]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   55.594469][  T854]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   55.594473][  T854]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   55.594478][  T854]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   55.594480][  T854]  ? copy_msghdr_from_user (net/socket.c:2650)
[   55.594483][  T854]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   55.594484][  T854]  ? move_addr_to_kernel (net/socket.c:258)
[   55.594492][  T854]  ___sys_sendmsg (net/socket.c:2767)
[   55.594494][  T854]  ? copy_msghdr_from_user (net/socket.c:2619)
[   55.594510][  T854]  __sys_sendmsg (net/socket.c:2799)
[   55.594513][  T854]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   55.594519][  T854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   55.594522][  T854]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   55.594525][  T854]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   55.594528][  T854]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.594530][  T854] RIP: 0033:0x7fed47be054e
[   55.594532][  T854] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   55.594534][  T854] RSP: 002b:00007ffe2782da20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.594537][  T854] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fed47be054e
[   55.594538][  T854] RDX: 0000000000000000 RSI: 00007ffe2782dad0 RDI: 0000000000000005
[   55.594539][  T854] RBP: 00007ffe2782da30 R08: 0000000000000000 R09: 0000000000000000
[   55.594540][  T854] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91515e
[   55.594541][  T854] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2782e190
| [   60.899143][  T863] softirqs last disabled at (12462): br_stp_disable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:73) bridge
| [   60.899159][  T863] Preemption disabled at:
| [   60.899160][  T863] 0x0
| [   60.899173][  T863] Tainted: [W]=WARN
[   60.899174][  T863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.899177][  T863] Call Trace:
[   60.899179][  T863]  <TASK>
[   60.899182][  T863]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.899191][  T863]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.899197][  T863]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.899203][  T863]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   60.899211][  T863]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   60.899215][  T863]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.899223][  T863]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.899227][  T863]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.899232][  T863]  put_chars (drivers/char/virtio_console.c:1176)
[   60.899235][  T863]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   60.899239][  T863]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.899245][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.899249][  T863]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.899257][  T863]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.899261][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.899263][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.899272][  T863]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.899274][  T863]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   60.899279][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.899284][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.899291][  T863]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.899298][  T863]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.899300][  T863]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   60.899306][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.899310][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.899317][  T863]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.899325][  T863]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.899327][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.899337][  T863]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.899342][  T863]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.899344][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.899348][  T863]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   60.899355][  T863]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.899357][  T863]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.899363][  T863]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.899370][  T863]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.899375][  T863]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.899379][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.899386][  T863]  _printk (kernel/printk/printk.c:2504)
[   60.899391][  T863]  ? snapshot_read.cold (user.c:?)
[   60.899406][  T863] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   60.899424][  T863] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   60.899440][  T863] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[   60.899455][  T863] br_dev_stop (net/bridge/br_device.c:193) bridge
[   60.899470][  T863]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   60.899474][  T863]  __dev_close_many (net/core/dev.c:1798)
[   60.899480][  T863]  ? netif_open (net/core/dev.c:1755)
[   60.899483][  T863]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.899487][  T863]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   60.899495][  T863]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   60.899501][  T863]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   60.899506][  T863]  ? __kernel_text_address (kernel/extable.c:79)
[   60.899509][  T863]  ? write_profile (profile.c:?)
[   60.899513][  T863]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   60.899521][  T863]  netif_change_flags (net/core/dev.c:9877)
[   60.899527][  T863]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   60.899534][  T863]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   60.899537][  T863]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   60.899539][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   60.899542][  T863]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   60.899547][  T863]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   60.899551][  T863]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   60.899554][  T863]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   60.899559][  T863]  ? kasan_save_stack (mm/kasan/common.c:58)
[   60.899563][  T863]  ? kasan_save_stack (mm/kasan/common.c:57)
[   60.899566][  T863]  ? kasan_save_track (mm/kasan/common.c:78)
[   60.899570][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.899573][  T863]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   60.899577][  T863]  ? ___sys_sendmsg (net/socket.c:2757)
[   60.899584][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.899587][  T863]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.899592][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.899596][  T863]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.899599][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.899601][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.899605][  T863]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   60.899611][  T863]  ? __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)
[   60.899615][  T863]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   60.899619][  T863]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   60.899625][  T863]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   60.899635][  T863]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   60.899646][  T863]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   60.899656][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.899659][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.899667][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.899670][  T863]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.899674][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.899677][  T863]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   60.899684][  T863]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   60.899688][  T863]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   60.899694][  T863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.899696][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.899704][  T863]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   60.899707][  T863]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   60.899713][  T863]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   60.899716][  T863]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.899722][  T863]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.899734][  T863]  ? 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))
[   60.899736][  T863]  ? 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))
[   60.899744][  T863]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.899751][  T863]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.899756][  T863]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   60.899764][  T863]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   60.899776][  T863]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   60.899783][  T863]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   60.899792][  T863]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   60.899796][  T863]  ? copy_msghdr_from_user (net/socket.c:2650)
[   60.899800][  T863]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   60.899803][  T863]  ? move_addr_to_kernel (net/socket.c:258)
[   60.899817][  T863]  ___sys_sendmsg (net/socket.c:2767)
[   60.899822][  T863]  ? copy_msghdr_from_user (net/socket.c:2619)
[   60.899853][  T863]  __sys_sendmsg (net/socket.c:2799)
[   60.899858][  T863]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   60.899870][  T863]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.899876][  T863]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.899879][  T863]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.899885][  T863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.899888][  T863] RIP: 0033:0x7f6da37a854e
[   60.899892][  T863] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   60.899895][  T863] RSP: 002b:00007ffee233af20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.899899][  T863] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6da37a854e
[   60.899901][  T863] RDX: 0000000000000000 RSI: 00007ffee233afd0 RDI: 0000000000000005
[   60.899902][  T863] RBP: 00007ffee233af30 R08: 0000000000000000 R09: 0000000000000000
[   60.899904][  T863] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915164
[   60.899905][  T863] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee233b690
| [   61.942838][  T894] softirqs last disabled at (17088): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   61.942842][  T894] Preemption disabled at:
| [   61.942843][  T894] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.942855][  T894] Tainted: [W]=WARN
[   61.942856][  T894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.942859][  T894] Call Trace:
[   61.942861][  T894]  <TASK>
[   61.942864][  T894]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.942872][  T894]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.942875][  T894]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.942882][  T894]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.942888][  T894]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   61.942896][  T894]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   61.942900][  T894]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.942908][  T894]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   61.942912][  T894]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.942917][  T894]  put_chars (drivers/char/virtio_console.c:1176)
[   61.942922][  T894]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.942934][  T894]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.942945][  T894]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.942950][  T894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.942957][  T894]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.942964][  T894]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.942966][  T894]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   61.942972][  T894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.942977][  T894]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.942984][  T894]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.942991][  T894]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.942994][  T894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.943004][  T894]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.943009][  T894]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.943011][  T894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.943015][  T894]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   61.943022][  T894]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.943025][  T894]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.943031][  T894]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.943037][  T894]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.943043][  T894]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   61.943046][  T894]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.943048][  T894]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.943054][  T894]  _printk (kernel/printk/printk.c:2504)
[   61.943059][  T894]  ? snapshot_read.cold (user.c:?)
[   61.943065][  T894]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   61.943087][  T894]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   61.943095][  T894] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   61.943113][  T894] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   61.943128][  T894] new_nbp (net/bridge/br_if.c:449) bridge
[   61.943145][  T894] br_add_if (net/bridge/br_if.c:592) bridge
[   61.943161][  T894]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   61.943172][  T894]  do_set_master (net/core/rtnetlink.c:3071)
[   61.943180][  T894]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   61.943187][  T894]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   61.943189][  T894]  ? __dev_get_by_name (net/core/dev.c:905)
[   61.943193][  T894]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   61.943210][  T894]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   61.943223][  T894]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.943233][  T894]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.943236][  T894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.943249][  T894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.943256][  T894]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.943259][  T894]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.943265][  T894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.943268][  T894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.943276][  T894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.943279][  T894]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.943286][  T894]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.943290][  T894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.943296][  T894]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.943307][  T894]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   61.943310][  T894]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   61.943318][  T894]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.943325][  T894]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.943330][  T894]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.943338][  T894]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.943345][  T894]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.943352][  T894]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   61.943361][  T894]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.943366][  T894]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.943370][  T894]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   61.943373][  T894]  ? move_addr_to_kernel (net/socket.c:258)
[   61.943380][  T894]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   61.943383][  T894]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   61.943392][  T894]  ___sys_sendmsg (net/socket.c:2767)
[   61.943397][  T894]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.943428][  T894]  __sys_sendmsg (net/socket.c:2799)
[   61.943433][  T894]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.943443][  T894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.943447][  T894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.943454][  T894]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.943457][  T894]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.943461][  T894]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.943465][  T894] RIP: 0033:0x7f2e6b1e754e
[   61.943470][  T894] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   61.943473][  T894] RSP: 002b:00007ffe23c8b380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.943477][  T894] RAX: ffffffffffffffda RBX: 00007ffe23c8bb38 RCX: 00007f2e6b1e754e
[   61.943479][  T894] RDX: 0000000000000000 RSI: 00007ffe23c8b430 RDI: 0000000000000005
[   61.943481][  T894] RBP: 00007ffe23c8b390 R08: 0000000000000000 R09: 0000000000000000
[   61.943482][  T894] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915165
[   61.943484][  T894] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe23c8baf0
| [   62.962849][  T924] softirqs last disabled at (15512): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   62.962851][  T924] Preemption disabled at:
| [   62.962852][  T924] vprintk_emit (kernel/printk/printk.c:2471)
| [   62.962861][  T924] Tainted: [W]=WARN
[   62.962862][  T924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.962864][  T924] Call Trace:
[   62.962865][  T924]  <TASK>
[   62.962867][  T924]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.962873][  T924]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   62.962875][  T924]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.962880][  T924]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.962884][  T924]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   62.962889][  T924]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   62.962892][  T924]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.962897][  T924]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.962900][  T924]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.962903][  T924]  put_chars (drivers/char/virtio_console.c:1176)
[   62.962906][  T924]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.962913][  T924]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.962920][  T924]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.962923][  T924]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.962927][  T924]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.962932][  T924]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.962933][  T924]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   62.962937][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.962941][  T924]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.962946][  T924]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.962951][  T924]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.962953][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.962958][  T924]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.962961][  T924]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.962963][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.962966][  T924]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   62.962969][  T924]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.962971][  T924]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.962975][  T924]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.962979][  T924]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.962982][  T924]  ? __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)
[   62.962985][  T924]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   62.962986][  T924]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   62.962990][  T924]  _printk (kernel/printk/printk.c:2504)
[   62.962994][  T924]  ? snapshot_read.cold (user.c:?)
[   62.962997][  T924]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   62.963012][  T924]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   62.963017][  T924] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   62.963028][  T924] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   62.963036][  T924] new_nbp (net/bridge/br_if.c:449) bridge
[   62.963046][  T924] br_add_if (net/bridge/br_if.c:592) bridge
[   62.963053][  T924]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   62.963059][  T924]  do_set_master (net/core/rtnetlink.c:3071)
[   62.963064][  T924]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   62.963067][  T924]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   62.963069][  T924]  ? __dev_get_by_name (net/core/dev.c:905)
[   62.963072][  T924]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   62.963081][  T924]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   62.963088][  T924]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   62.963094][  T924]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.963096][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.963102][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   62.963106][  T924]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   62.963108][  T924]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   62.963111][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.963113][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.963117][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   62.963119][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.963123][  T924]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   62.963126][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.963129][  T924]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.963135][  T924]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   62.963137][  T924]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   62.963141][  T924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.963145][  T924]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.963148][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   62.963154][  T924]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   62.963158][  T924]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   62.963162][  T924]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   62.963168][  T924]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   62.963171][  T924]  ? copy_msghdr_from_user (net/socket.c:2650)
[   62.963174][  T924]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   62.963175][  T924]  ? move_addr_to_kernel (net/socket.c:258)
[   62.963179][  T924]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   62.963182][  T924]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   62.963187][  T924]  ___sys_sendmsg (net/socket.c:2767)
[   62.963190][  T924]  ? copy_msghdr_from_user (net/socket.c:2619)
[   62.963206][  T924]  __sys_sendmsg (net/socket.c:2799)
[   62.963209][  T924]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   62.963214][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.963217][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.963220][  T924]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   62.963223][  T924]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   62.963226][  T924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.963228][  T924] RIP: 0033:0x7f8a910ea54e
[   62.963232][  T924] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   62.963234][  T924] RSP: 002b:00007ffdac506290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.963237][  T924] RAX: ffffffffffffffda RBX: 00007ffdac506a48 RCX: 00007f8a910ea54e
[   62.963238][  T924] RDX: 0000000000000000 RSI: 00007ffdac506340 RDI: 0000000000000005
[   62.963239][  T924] RBP: 00007ffdac5062a0 R08: 0000000000000000 R09: 0000000000000000
[   62.963240][  T924] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915166
[   62.963241][  T924] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdac506a00
| [   63.962842][  T954] softirqs last disabled at (19478): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   63.962844][  T954] Preemption disabled at:
| [   63.962845][  T954] vprintk_emit (kernel/printk/printk.c:2471)
| [   63.962855][  T954] Tainted: [W]=WARN
[   63.962855][  T954] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.962857][  T954] Call Trace:
[   63.962859][  T954]  <TASK>
[   63.962860][  T954]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   63.962866][  T954]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   63.962868][  T954]  __might_resched.cold (kernel/sched/core.c:9234)
[   63.962873][  T954]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   63.962877][  T954]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   63.962883][  T954]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   63.962885][  T954]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.962891][  T954]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   63.962894][  T954]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   63.962897][  T954]  put_chars (drivers/char/virtio_console.c:1176)
[   63.962899][  T954]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   63.962906][  T954]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   63.962912][  T954]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   63.962915][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.962919][  T954]  console_emit_next_record (kernel/printk/printk.c:3183)
[   63.962923][  T954]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   63.962925][  T954]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   63.962929][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.962933][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.962937][  T954]  console_flush_one_record (kernel/printk/printk.c:3268)
[   63.962941][  T954]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   63.962943][  T954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.962949][  T954]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   63.962952][  T954]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   63.962953][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.962956][  T954]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   63.962960][  T954]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   63.962961][  T954]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   63.962965][  T954]  vprintk_emit (kernel/printk/printk.c:2479)
[   63.962968][  T954]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   63.962971][  T954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.962973][  T954]  ? __ww_mutex_add_waiter (kernel/locking/ww_mutex.h:582 (discriminator 1))
[   63.962979][  T954]  _printk (kernel/printk/printk.c:2504)
[   63.962982][  T954]  ? snapshot_read.cold (user.c:?)
[   63.962985][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.962988][  T954]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   63.962989][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.962991][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.962993][  T954]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   63.962997][  T954]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   63.963000][  T954]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   63.963003][  T954]  ? netdev_notice (net/core/dev.c:13194)
[   63.963005][  T954]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   63.963009][  T954]  ? 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)
[   63.963013][  T954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.963018][  T954]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   63.963020][  T954]  ? br_add_if (net/bridge/br_if.c:629) bridge
[   63.963036][  T954]  netif_set_promiscuity (net/core/dev.c:9699)
[   63.963040][  T954]  dev_set_promiscuity (net/core/dev_api.c:288)
[   63.963042][  T954] br_port_set_promisc (net/bridge/br_if.c:109) bridge
[   63.963051][  T954] br_manage_promisc (net/bridge/br_if.c:175) bridge
[   63.963061][  T954] br_add_if (net/bridge/br_if.c:243 net/bridge/br_if.c:633) bridge
[   63.963073][  T954]  do_set_master (net/core/rtnetlink.c:3071)
[   63.963077][  T954]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   63.963081][  T954]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   63.963083][  T954]  ? __dev_get_by_name (net/core/dev.c:905)
[   63.963085][  T954]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   63.963095][  T954]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   63.963102][  T954]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   63.963107][  T954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.963109][  T954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.963116][  T954]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   63.963120][  T954]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   63.963122][  T954]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   63.963126][  T954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.963127][  T954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.963132][  T954]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   63.963134][  T954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.963137][  T954]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   63.963140][  T954]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.963143][  T954]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.963150][  T954]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   63.963154][  T954]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   63.963159][  T954]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.963163][  T954]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.963166][  T954]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   63.963170][  T954]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   63.963174][  T954]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   63.963178][  T954]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   63.963183][  T954]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   63.963187][  T954]  ? copy_msghdr_from_user (net/socket.c:2650)
[   63.963189][  T954]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   63.963191][  T954]  ? move_addr_to_kernel (net/socket.c:258)
[   63.963196][  T954]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   63.963198][  T954]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   63.963202][  T954]  ___sys_sendmsg (net/socket.c:2767)
[   63.963203][  T954]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   63.963207][  T954]  ? copy_msghdr_from_user (net/socket.c:2619)
[   63.963209][  T954]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   63.963225][  T954]  __sys_sendmsg (net/socket.c:2799)
[   63.963228][  T954]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   63.963234][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.963236][  T954]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   63.963240][  T954]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   63.963242][  T954]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   63.963246][  T954]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.963248][  T954] RIP: 0033:0x7f7c8436854e
[   63.963252][  T954] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   63.963254][  T954] RSP: 002b:00007ffd9eb964e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.963256][  T954] RAX: ffffffffffffffda RBX: 00007ffd9eb96c98 RCX: 00007f7c8436854e
[   63.963258][  T954] RDX: 0000000000000000 RSI: 00007ffd9eb96590 RDI: 0000000000000005
[   63.963259][  T954] RBP: 00007ffd9eb964f0 R08: 0000000000000000 R09: 0000000000000000
[   63.963260][  T954] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915167
[   63.963261][  T954] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9eb96c50
| [   64.977552][  T984] softirqs last disabled at (25072): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   64.977556][  T984] Preemption disabled at:
| [   64.977556][  T984] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.977570][  T984] Tainted: [W]=WARN
[   64.977571][  T984] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.977574][  T984] Call Trace:
[   64.977576][  T984]  <TASK>
[   64.977579][  T984]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.977586][  T984]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.977590][  T984]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.977597][  T984]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.977603][  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)
[   64.977610][  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))
[   64.977614][  T984]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.977623][  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)
[   64.977627][  T984]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.977633][  T984]  put_chars (drivers/char/virtio_console.c:1176)
[   64.977638][  T984]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.977650][  T984]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.977661][  T984]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.977666][  T984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.977673][  T984]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.977680][  T984]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.977682][  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))
[   64.977688][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.977693][  T984]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.977701][  T984]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.977709][  T984]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.977711][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.977722][  T984]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.977727][  T984]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.977730][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.977734][  T984]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   64.977742][  T984]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.977745][  T984]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.977751][  T984]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.977758][  T984]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.977764][  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)
[   64.977768][  T984]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   64.977770][  T984]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   64.977776][  T984]  _printk (kernel/printk/printk.c:2504)
[   64.977782][  T984]  ? snapshot_read.cold (user.c:?)
[   64.977788][  T984]  ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) bridge
[   64.977816][  T984]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   64.977825][  T984] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   64.977845][  T984] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   64.977861][  T984] new_nbp (net/bridge/br_if.c:449) bridge
[   64.977880][  T984] br_add_if (net/bridge/br_if.c:592) bridge
[   64.977894][  T984]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   64.977905][  T984]  do_set_master (net/core/rtnetlink.c:3071)
[   64.977913][  T984]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   64.977920][  T984]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   64.977923][  T984]  ? __dev_get_by_name (net/core/dev.c:905)
[   64.977926][  T984]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   64.977944][  T984]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   64.977956][  T984]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.977967][  T984]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.977970][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.977983][  T984]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   64.977989][  T984]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.977993][  T984]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.977999][  T984]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.978002][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.978010][  T984]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   64.978014][  T984]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.978021][  T984]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.978024][  T984]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.978030][  T984]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.978042][  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))
[   64.978044][  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))
[   64.978052][  T984]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.978059][  T984]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.978064][  T984]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   64.978072][  T984]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.978079][  T984]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.978086][  T984]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   64.978095][  T984]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   64.978100][  T984]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.978103][  T984]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   64.978106][  T984]  ? move_addr_to_kernel (net/socket.c:258)
[   64.978114][  T984]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   64.978117][  T984]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   64.978126][  T984]  ___sys_sendmsg (net/socket.c:2767)
[   64.978131][  T984]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.978167][  T984]  __sys_sendmsg (net/socket.c:2799)
[   64.978172][  T984]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.978183][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.978187][  T984]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.978193][  T984]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.978197][  T984]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.978202][  T984]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.978205][  T984] RIP: 0033:0x7fdd46ccf54e
[   64.978210][  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
[   64.978213][  T984] RSP: 002b:00007ffc8af1df10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.978217][  T984] RAX: ffffffffffffffda RBX: 00007ffc8af1e6c8 RCX: 00007fdd46ccf54e
[   64.978219][  T984] RDX: 0000000000000000 RSI: 00007ffc8af1dfc0 RDI: 0000000000000005
[   64.978221][  T984] RBP: 00007ffc8af1df20 R08: 0000000000000000 R09: 0000000000000000
[   64.978223][  T984] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915168
[   64.978224][  T984] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8af1e680
| [   65.978220][ T1014] softirqs last disabled at (24582): br_add_if (./include/linux/spinlock.h:353 net/bridge/br_if.c:674) bridge
| [   65.978228][ T1014] Preemption disabled at:
| [   65.978229][ T1014] 0x0
| [   65.978240][ T1014] Tainted: [W]=WARN
[   65.978240][ T1014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.978242][ T1014] Call Trace:
[   65.978244][ T1014]  <TASK>
[   65.978245][ T1014]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   65.978252][ T1014]  __might_resched.cold (kernel/sched/core.c:9234)
[   65.978257][ T1014]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   65.978261][ T1014]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   65.978267][ T1014]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   65.978269][ T1014]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.978275][ T1014]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   65.978278][ T1014]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   65.978281][ T1014]  put_chars (drivers/char/virtio_console.c:1176)
[   65.978283][ T1014]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   65.978286][ T1014]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.978290][ T1014]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.978293][ T1014]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   65.978297][ T1014]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   65.978300][ T1014]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   65.978301][ T1014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.978303][ T1014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.978308][ T1014]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   65.978309][ T1014]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.978313][ T1014]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.978317][ T1014]  console_emit_next_record (kernel/printk/printk.c:3183)
[   65.978321][ T1014]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   65.978323][ T1014]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   65.978326][ T1014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.978329][ T1014]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   65.978333][ T1014]  console_flush_one_record (kernel/printk/printk.c:3268)
[   65.978337][ T1014]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   65.978339][ T1014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.978344][ T1014]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   65.978347][ T1014]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   65.978349][ T1014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.978352][ T1014]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   65.978355][ T1014]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   65.978357][ T1014]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   65.978361][ T1014]  vprintk_emit (kernel/printk/printk.c:2479)
[   65.978364][ T1014]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   65.978367][ T1014]  ? do_one_broadcast (net/netlink/af_netlink.c:1500)
[   65.978370][ T1014]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   65.978374][ T1014]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.978381][ T1014]  _printk (kernel/printk/printk.c:2504)
[   65.978385][ T1014]  ? snapshot_read.cold (user.c:?)
[   65.978395][ T1014]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.978402][ T1014] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   65.978420][ T1014] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   65.978435][ T1014] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   65.978449][ T1014] br_add_if (net/bridge/br_if.c:679) bridge
[   65.978472][ T1014]  do_set_master (net/core/rtnetlink.c:3071)
[   65.978481][ T1014]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   65.978488][ T1014]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   65.978491][ T1014]  ? __dev_get_by_name (net/core/dev.c:905)
[   65.978494][ T1014]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   65.978512][ T1014]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   65.978526][ T1014]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   65.978537][ T1014]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.978540][ T1014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.978556][ T1014]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   65.978563][ T1014]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   65.978567][ T1014]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   65.978573][ T1014]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.978575][ T1014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.978584][ T1014]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   65.978587][ T1014]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   65.978594][ T1014]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   65.978598][ T1014]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.978603][ T1014]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.978609][ T1014]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   65.978611][ T1014]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   65.978616][ T1014]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.978620][ T1014]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.978622][ T1014]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   65.978627][ T1014]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   65.978631][ T1014]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   65.978635][ T1014]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   65.978641][ T1014]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   65.978644][ T1014]  ? copy_msghdr_from_user (net/socket.c:2650)
[   65.978647][ T1014]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   65.978648][ T1014]  ? move_addr_to_kernel (net/socket.c:258)
[   65.978653][ T1014]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   65.978655][ T1014]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   65.978660][ T1014]  ___sys_sendmsg (net/socket.c:2767)
[   65.978663][ T1014]  ? copy_msghdr_from_user (net/socket.c:2619)
[   65.978681][ T1014]  __sys_sendmsg (net/socket.c:2799)
[   65.978684][ T1014]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   65.978689][ T1014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.978692][ T1014]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   65.978696][ T1014]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   65.978699][ T1014]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   65.978702][ T1014]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.978705][ T1014] RIP: 0033:0x7f54dc59954e
[   65.978708][ T1014] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   65.978709][ T1014] RSP: 002b:00007ffe9db85ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.978712][ T1014] RAX: ffffffffffffffda RBX: 00007ffe9db86278 RCX: 00007f54dc59954e
[   65.978714][ T1014] RDX: 0000000000000000 RSI: 00007ffe9db85b70 RDI: 0000000000000005
[   65.978715][ T1014] RBP: 00007ffe9db85ad0 R08: 0000000000000000 R09: 0000000000000000
[   65.978716][ T1014] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915169
[   65.978717][ T1014] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9db86230
| [   74.693030][ T1161] softirqs last disabled at (18602): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   74.693033][ T1161] Preemption disabled at:
| [   74.693034][ T1161] vprintk_emit (kernel/printk/printk.c:2471)
| [   74.693044][ T1161] Tainted: [W]=WARN
[   74.693045][ T1161] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.693047][ T1161] Call Trace:
[   74.693049][ T1161]  <TASK>
[   74.693051][ T1161]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.693057][ T1161]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   74.693060][ T1161]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.693065][ T1161]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.693069][ T1161]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   74.693075][ T1161]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   74.693077][ T1161]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.693083][ T1161]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.693085][ T1161]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.693089][ T1161]  put_chars (drivers/char/virtio_console.c:1176)
[   74.693092][ T1161]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.693093][ T1161]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   74.693098][ T1161]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   74.693101][ T1161]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.693104][ T1161]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   74.693106][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.693108][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.693112][ T1161]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.693113][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.693118][ T1161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.693122][ T1161]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.693126][ T1161]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.693128][ T1161]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   74.693131][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.693135][ T1161]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.693139][ T1161]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.693144][ T1161]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.693146][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.693151][ T1161]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.693156][ T1161]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.693158][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.693160][ T1161]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   74.693164][ T1161]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.693166][ T1161]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.693169][ T1161]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.693173][ T1161]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.693180][ T1161]  _printk (kernel/printk/printk.c:2504)
[   74.693183][ T1161]  ? snapshot_read.cold (user.c:?)
[   74.693185][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.693188][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.693190][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.693192][ T1161]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   74.693196][ T1161]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   74.693199][ T1161]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   74.693203][ T1161]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   74.693206][ T1161]  ? netdev_notice (net/core/dev.c:13194)
[   74.693207][ T1161]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   74.693217][ T1161]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   74.693222][ T1161]  dev_set_allmulti (net/core/dev_api.c:315)
[   74.693225][ T1161] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   74.693239][ T1161]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   74.693244][ T1161] br_dev_delete (net/bridge/br_if.c:387) bridge
[   74.693253][ T1161]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   74.693256][ T1161]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   74.693258][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.693260][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.693262][ T1161]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   74.693284][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.693286][ T1161]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.693289][ T1161]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.693291][ T1161]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   74.693293][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.693298][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.693301][ T1161]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.693303][ T1161]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   74.693306][ T1161]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   74.693310][ T1161]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   74.693313][ T1161]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   74.693316][ T1161]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.693318][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.693322][ T1161]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   74.693324][ T1161]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   74.693328][ T1161]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.693331][ T1161]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.693334][ T1161]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.693340][ T1161]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   74.693342][ T1161]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   74.693346][ T1161]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.693350][ T1161]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.693353][ T1161]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   74.693357][ T1161]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.693361][ T1161]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.693365][ T1161]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   74.693371][ T1161]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   74.693375][ T1161]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.693377][ T1161]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   74.693379][ T1161]  ? move_addr_to_kernel (net/socket.c:258)
[   74.693386][ T1161]  ___sys_sendmsg (net/socket.c:2767)
[   74.693389][ T1161]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.693406][ T1161]  __sys_sendmsg (net/socket.c:2799)
[   74.693409][ T1161]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.693415][ T1161]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.693419][ T1161]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.693422][ T1161]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.693425][ T1161]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.693427][ T1161] RIP: 0033:0x7f2628d4a54e
[   74.693431][ T1161] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   74.693433][ T1161] RSP: 002b:00007ffec33034d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.693436][ T1161] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2628d4a54e
[   74.693437][ T1161] RDX: 0000000000000000 RSI: 00007ffec3303580 RDI: 0000000000000005
[   74.693438][ T1161] RBP: 00007ffec33034e0 R08: 0000000000000000 R09: 0000000000000000
[   74.693439][ T1161] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915171
[   74.693440][ T1161] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec3303c40
| [   76.284250][    C2] softirqs last disabled at (2677647): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   76.284252][    C2] Preemption disabled at:
| [   76.284253][    C2] 0x0
| [   76.284263][    C2] Tainted: [W]=WARN
[   76.284263][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.284265][    C2] Call Trace:
[   76.284267][    C2]  <IRQ>
[   76.284269][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   76.284274][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   76.284278][    C2]  ? trace_pelt_cfs_tp (./include/trace/events/sched.h:833 (discriminator 22))
[   76.284281][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   76.284285][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   76.284287][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.284291][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   76.284295][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   76.284297][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.284301][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   76.284303][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   76.284305][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   76.284307][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   76.284309][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   76.284313][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   76.284316][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   76.284318][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.284319][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.284322][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   76.284324][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   76.284326][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.284328][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.284330][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.284332][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   76.284334][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   76.284336][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   76.284339][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   76.284341][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.284343][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   76.284344][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.284346][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.284347][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   76.284349][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   76.284351][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   76.284354][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   76.284356][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   76.284358][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   76.284372][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   76.284374][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   76.284387][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   76.284400][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   76.284405][    C2]  _printk (kernel/printk/printk.c:2504)
[   76.284409][    C2]  ? snapshot_read.cold (user.c:?)
[   76.284412][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   76.284418][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   76.284421][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   76.284424][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   76.284428][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   76.284433][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   76.284436][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   76.284439][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   76.284442][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.284445][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   76.284459][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.284461][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.284464][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   76.284478][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   76.284481][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   76.284494][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   76.284508][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   76.284522][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   76.284526][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   76.284529][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   76.284534][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.284537][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.284541][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.284546][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   76.284549][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   76.284564][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   76.284567][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.284572][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   76.284575][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   76.284577][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   76.284579][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.284581][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.284583][    C2]  handle_softirqs (kernel/softirq.c:645)
[   76.284586][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.284587][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   76.284590][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   76.284591][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   76.284593][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   76.284596][    C2]  </IRQ>
[   76.284596][    C2]  <TASK>
[   76.284597][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   76.284599][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   76.284602][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   76.284604][    C2] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   76.284606][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   76.284610][    C2] RAX: 000000000028db8d RBX: ff11000001bec6c0 RCX: ffffffff84cf0307
[   76.284611][    C2] RDX: ff11000001bec6c0 RSI: ffffffff87a38b01 RDI: ffffffff8748d8e0
[   76.284612][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   76.284613][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   76.284614][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   76.284615][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   76.284618][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   76.284620][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   76.284622][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   76.284624][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   76.284625][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   76.284628][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.284629][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.284631][    C2]  do_idle (kernel/sched/idle.c:355)
[   76.284633][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   76.284635][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   76.284637][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   76.284639][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   76.347393][    C2]
| [   76.347499][    C2]
| [   76.347499][    C2] stack backtrace:
| [   76.347776][    C2] Tainted: [W]=WARN
[   76.347778][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   76.347779][    C2] Call Trace:
[   76.347781][    C2]  <IRQ>
[   76.347783][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   76.347789][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   76.347793][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   76.347798][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   76.347801][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   76.347804][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   76.347807][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   76.347810][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   76.347828][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.347832][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   76.347835][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   76.347848][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   76.347851][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   76.347871][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   76.347884][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   76.347897][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   76.347900][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   76.347903][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   76.347907][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   76.347911][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.347913][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.347917][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   76.347920][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   76.347933][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   76.347936][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   76.347941][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   76.347945][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   76.347948][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   76.347951][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.347954][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.347957][    C2]  handle_softirqs (kernel/softirq.c:645)
[   76.347960][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   76.347963][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   76.347966][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   76.347969][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   76.347971][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   76.347974][    C2]  </IRQ>
[   76.347976][    C2]  <TASK>
[   76.347976][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   76.347979][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   76.347982][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   76.347985][    C2] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   76.347987][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   76.347991][    C2] RAX: 000000000028db8d RBX: ff11000001bec6c0 RCX: ffffffff84cf0307
[   76.347993][    C2] RDX: ff11000001bec6c0 RSI: ffffffff87a38b01 RDI: ffffffff8748d8e0
[   76.347995][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   76.347996][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   76.347998][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   76.348001][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   76.348004][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   76.348007][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   76.348009][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   76.348012][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   76.348015][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   76.348018][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   76.348020][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   76.348023][    C2]  do_idle (kernel/sched/idle.c:355)
[   76.348026][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   76.348028][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   76.348031][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   76.348034][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   77.378546][ T1198] softirqs last disabled at (0): 0x0
| [   77.378548][ T1198] Preemption disabled at:
| [   77.378549][ T1198] vprintk_emit (kernel/printk/printk.c:2471)
| [   77.378560][ T1198] Tainted: [W]=WARN
[   77.378561][ T1198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   77.378563][ T1198] Call Trace:
[   77.378564][ T1198]  <TASK>
[   77.378566][ T1198]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   77.378571][ T1198]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   77.378573][ T1198]  __might_resched.cold (kernel/sched/core.c:9234)
[   77.378577][ T1198]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   77.378580][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378584][ T1198]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   77.378588][ T1198]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   77.378590][ T1198]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.378594][ T1198]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   77.378596][ T1198]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   77.378598][ T1198]  put_chars (drivers/char/virtio_console.c:1176)
[   77.378600][ T1198]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   77.378602][ T1198]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   77.378605][ T1198]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   77.378608][ T1198]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   77.378610][ T1198]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   77.378611][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378613][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.378615][ T1198]  console_emit_next_record (kernel/printk/printk.c:3183)
[   77.378618][ T1198]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   77.378620][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378622][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378623][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378625][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.378627][ T1198]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   77.378629][ T1198]  console_flush_one_record (kernel/printk/printk.c:3268)
[   77.378631][ T1198]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   77.378634][ T1198]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   77.378636][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.378637][ T1198]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   77.378639][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378641][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.378642][ T1198]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   77.378644][ T1198]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   77.378646][ T1198]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   77.378648][ T1198]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   77.378650][ T1198]  vprintk_emit (kernel/printk/printk.c:2479)
[   77.378652][ T1198]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   77.378654][ T1198]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.378657][ T1198]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   77.378660][ T1198]  ? ___sys_sendmsg (net/socket.c:2767)
[   77.378662][ T1198]  ? __sys_sendmsg (net/socket.c:2799)
[   77.378664][ T1198]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.378667][ T1198]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.378669][ T1198]  _printk (kernel/printk/printk.c:2504)
[   77.378672][ T1198]  ? snapshot_read.cold (user.c:?)
[   77.378674][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378676][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378677][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378679][ T1198]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   77.378682][ T1198]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   77.378685][ T1198]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   77.378687][ T1198]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   77.378689][ T1198]  ? netdev_notice (net/core/dev.c:13194)
[   77.378690][ T1198]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   77.378693][ T1198]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   77.378695][ T1198]  ? 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)
[   77.378697][ T1198]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   77.378700][ T1198]  dev_set_allmulti (net/core/dev_api.c:315)
[   77.378703][ T1198] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   77.378716][ T1198]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   77.378719][ T1198] br_dev_delete (net/bridge/br_if.c:387) bridge
[   77.378726][ T1198]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[   77.378729][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.378731][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378733][ T1198]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   77.378735][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378741][ T1198]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[   77.378744][ T1198]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.378746][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378747][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378749][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.378751][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378752][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.378754][ T1198]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   77.378757][ T1198]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   77.378759][ T1198]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   77.378761][ T1198]  ? __kernel_text_address (kernel/extable.c:79)
[   77.378763][ T1198]  ? write_profile (profile.c:?)
[   77.378765][ T1198]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   77.378766][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378768][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378770][ T1198]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   77.378773][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.378775][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378777][ T1198]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   77.378779][ T1198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   77.378781][ T1198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.378782][ T1198]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   77.378784][ T1198]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   77.378788][ T1198]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   77.378789][ T1198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   77.378791][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.378792][ T1198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   77.378794][ T1198]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   77.378796][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378798][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.378800][ T1198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   77.378802][ T1198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   77.378804][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378805][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378807][ T1198]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   77.378809][ T1198]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   77.378811][ T1198]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   77.378813][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378815][ T1198]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   77.378817][ T1198]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   77.378818][ T1198]  ? copy_msghdr_from_user (net/socket.c:2650)
[   77.378820][ T1198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   77.378822][ T1198]  ? move_addr_to_kernel (net/socket.c:258)
[   77.378823][ T1198]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   77.378826][ T1198]  ___sys_sendmsg (net/socket.c:2767)
[   77.378828][ T1198]  ? copy_msghdr_from_user (net/socket.c:2619)
[   77.378832][ T1198]  __sys_sendmsg (net/socket.c:2799)
[   77.378834][ T1198]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   77.378837][ T1198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   77.378839][ T1198]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   77.378841][ T1198]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   77.378843][ T1198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   77.378845][ T1198] RIP: 0033:0x7f6c65a4c54e
[   77.378846][ T1198] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   77.378848][ T1198] RSP: 002b:00007fff36a95c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   77.378852][ T1198] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6c65a4c54e
[   77.378853][ T1198] RDX: 0000000000000000 RSI: 00007fff36a95cc0 RDI: 0000000000000005
[   77.378854][ T1198] RBP: 00007fff36a95c20 R08: 0000000000000000 R09: 0000000000000000
[   77.378855][ T1198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915174
[   77.378856][ T1198] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff36a96380
| [   79.797964][ T1237] softirqs last disabled at (0): 0x0
| [   79.797966][ T1237] Preemption disabled at:
| [   79.797967][ T1237] vprintk_emit (kernel/printk/printk.c:2471)
| [   79.797978][ T1237] Tainted: [W]=WARN
[   79.797979][ T1237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.797980][ T1237] Call Trace:
[   79.797982][ T1237]  <TASK>
[   79.797984][ T1237]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   79.797989][ T1237]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   79.797991][ T1237]  __might_resched.cold (kernel/sched/core.c:9234)
[   79.797995][ T1237]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   79.797998][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798002][ T1237]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   79.798005][ T1237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   79.798008][ T1237]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.798012][ T1237]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   79.798013][ T1237]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.798015][ T1237]  put_chars (drivers/char/virtio_console.c:1176)
[   79.798017][ T1237]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   79.798018][ T1237]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   79.798020][ T1237]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   79.798023][ T1237]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   79.798026][ T1237]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   79.798027][ T1237]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   79.798029][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.798031][ T1237]  console_emit_next_record (kernel/printk/printk.c:3183)
[   79.798034][ T1237]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   79.798036][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798037][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798039][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798041][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.798043][ T1237]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   79.798044][ T1237]  console_flush_one_record (kernel/printk/printk.c:3268)
[   79.798047][ T1237]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   79.798049][ T1237]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   79.798051][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.798052][ T1237]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   79.798054][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798056][ T1237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.798057][ T1237]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   79.798058][ T1237]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   79.798061][ T1237]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   79.798062][ T1237]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   79.798064][ T1237]  vprintk_emit (kernel/printk/printk.c:2479)
[   79.798067][ T1237]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   79.798069][ T1237]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   79.798072][ T1237]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   79.798073][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798075][ T1237]  _printk (kernel/printk/printk.c:2504)
[   79.798078][ T1237]  ? snapshot_read.cold (user.c:?)
[   79.798080][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798082][ T1237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.798084][ T1237]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   79.798086][ T1237] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   79.798099][ T1237] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   79.798107][ T1237] new_nbp (net/bridge/br_if.c:449) bridge
[   79.798116][ T1237] br_add_if (net/bridge/br_if.c:592) bridge
[   79.798123][ T1237]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   79.798125][ T1237]  do_set_master (net/core/rtnetlink.c:3071)
[   79.798130][ T1237]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   79.798132][ T1237]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   79.798133][ T1237]  ? __dev_get_by_name (net/core/dev.c:905)
[   79.798135][ T1237]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   79.798139][ T1237]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   79.798141][ T1237]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   79.798143][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798145][ T1237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.798146][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.798148][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798153][ T1237]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   79.798157][ T1237]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   79.798159][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798160][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798162][ T1237]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   79.798166][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.798167][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798169][ T1237]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.798170][ T1237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.798172][ T1237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.798173][ T1237]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   79.798176][ T1237]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   79.798180][ T1237]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.798183][ T1237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.798184][ T1237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.798185][ T1237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.798187][ T1237]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   79.798189][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798191][ T1237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.798193][ T1237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.798195][ T1237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.798196][ T1237]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   79.798200][ T1237]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.798201][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798203][ T1237]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.798205][ T1237]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   79.798207][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798209][ T1237]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.798211][ T1237]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   79.798214][ T1237]  ? copy_msghdr_from_user (net/socket.c:2650)
[   79.798215][ T1237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   79.798217][ T1237]  ? move_addr_to_kernel (net/socket.c:258)
[   79.798219][ T1237]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   79.798222][ T1237]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   79.798225][ T1237]  ___sys_sendmsg (net/socket.c:2767)
[   79.798226][ T1237]  ? copy_msghdr_from_user (net/socket.c:2619)
[   79.798231][ T1237]  __sys_sendmsg (net/socket.c:2799)
[   79.798233][ T1237]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   79.798236][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798238][ T1237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.798240][ T1237]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.798242][ T1237]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   79.798244][ T1237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.798246][ T1237] RIP: 0033:0x7fdfccae554e
[   79.798248][ T1237] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   79.798250][ T1237] RSP: 002b:00007ffcedb98080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.798253][ T1237] RAX: ffffffffffffffda RBX: 00007ffcedb98838 RCX: 00007fdfccae554e
[   79.798255][ T1237] RDX: 0000000000000000 RSI: 00007ffcedb98130 RDI: 0000000000000005
[   79.798256][ T1237] RBP: 00007ffcedb98090 R08: 0000000000000000 R09: 0000000000000000
[   79.798257][ T1237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915177
[   79.798257][ T1237] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcedb987f0
| [   80.824812][ T1283] softirqs last disabled at (0): 0x0
| [   80.824815][ T1283] Preemption disabled at:
| [   80.824816][ T1283] vprintk_emit (kernel/printk/printk.c:2471)
| [   80.824831][ T1283] Tainted: [W]=WARN
[   80.824832][ T1283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.824834][ T1283] Call Trace:
[   80.824836][ T1283]  <TASK>
[   80.824838][ T1283]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   80.824845][ T1283]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   80.824848][ T1283]  __might_resched.cold (kernel/sched/core.c:9234)
[   80.824852][ T1283]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   80.824857][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.824862][ T1283]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   80.824867][ T1283]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.824870][ T1283]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.824875][ T1283]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   80.824878][ T1283]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   80.824887][ T1283]  put_chars (drivers/char/virtio_console.c:1176)
[   80.824891][ T1283]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   80.824893][ T1283]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   80.824896][ T1283]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   80.824900][ T1283]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   80.824906][ T1283]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   80.824908][ T1283]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   80.824910][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.824914][ T1283]  console_emit_next_record (kernel/printk/printk.c:3183)
[   80.824917][ T1283]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   80.824921][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.824923][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.824926][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.824929][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.824932][ T1283]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   80.824934][ T1283]  console_flush_one_record (kernel/printk/printk.c:3268)
[   80.824938][ T1283]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   80.824943][ T1283]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   80.824946][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.824948][ T1283]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   80.824951][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.824953][ T1283]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.824956][ T1283]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   80.824958][ T1283]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   80.824962][ T1283]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   80.824964][ T1283]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   80.824967][ T1283]  vprintk_emit (kernel/printk/printk.c:2479)
[   80.824971][ T1283]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   80.824974][ T1283]  ? __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)
[   80.824979][ T1283]  _printk (kernel/printk/printk.c:2504)
[   80.824984][ T1283]  ? snapshot_read.cold (user.c:?)
[   80.824986][ T1283]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   80.824992][ T1283] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   80.825010][ T1283] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   80.825024][ T1283] new_nbp (net/bridge/br_if.c:449) bridge
[   80.825039][ T1283] br_add_if (net/bridge/br_if.c:592) bridge
[   80.825052][ T1283]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   80.825057][ T1283]  do_set_master (net/core/rtnetlink.c:3071)
[   80.825062][ T1283]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   80.825066][ T1283]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   80.825068][ T1283]  ? __dev_get_by_name (net/core/dev.c:905)
[   80.825071][ T1283]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   80.825077][ T1283]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   80.825082][ T1283]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   80.825085][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.825088][ T1283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.825090][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.825092][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.825096][ T1283]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   80.825100][ T1283]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   80.825103][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.825106][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.825108][ T1283]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   80.825113][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.825115][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.825118][ T1283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   80.825121][ T1283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   80.825123][ T1283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.825126][ T1283]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   80.825129][ T1283]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   80.825135][ T1283]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   80.825139][ T1283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.825141][ T1283]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.825143][ T1283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.825146][ T1283]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   80.825150][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.825154][ T1283]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.825158][ T1283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.825161][ T1283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.825163][ T1283]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1436)
[   80.825168][ T1283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   80.825170][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.825173][ T1283]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   80.825177][ T1283]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   80.825180][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.825183][ T1283]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   80.825186][ T1283]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   80.825190][ T1283]  ? copy_msghdr_from_user (net/socket.c:2650)
[   80.825192][ T1283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   80.825195][ T1283]  ? move_addr_to_kernel (net/socket.c:258)
[   80.825198][ T1283]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   80.825202][ T1283]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   80.825207][ T1283]  ___sys_sendmsg (net/socket.c:2767)
[   80.825210][ T1283]  ? copy_msghdr_from_user (net/socket.c:2619)
[   80.825218][ T1283]  __sys_sendmsg (net/socket.c:2799)
[   80.825221][ T1283]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   80.825225][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.825228][ T1283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   80.825231][ T1283]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   80.825234][ T1283]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   80.825238][ T1283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.825241][ T1283] RIP: 0033:0x7f3e63e4f54e
[   80.825243][ T1283] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   80.825246][ T1283] RSP: 002b:00007fffbbee8300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.825251][ T1283] RAX: ffffffffffffffda RBX: 00007fffbbee8ab8 RCX: 00007f3e63e4f54e
[   80.825253][ T1283] RDX: 0000000000000000 RSI: 00007fffbbee83b0 RDI: 0000000000000005
[   80.825255][ T1283] RBP: 00007fffbbee8310 R08: 0000000000000000 R09: 0000000000000000
[   80.825256][ T1283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915178
[   80.825258][ T1283] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbbee8a70
| [   81.828344][ T1335] softirqs last disabled at (0): 0x0
| [   81.828346][ T1335] Preemption disabled at:
| [   81.828347][ T1335] vprintk_emit (kernel/printk/printk.c:2471)
| [   81.828358][ T1335] Tainted: [W]=WARN
[   81.828359][ T1335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.828361][ T1335] Call Trace:
[   81.828363][ T1335]  <TASK>
[   81.828364][ T1335]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   81.828370][ T1335]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   81.828372][ T1335]  __might_resched.cold (kernel/sched/core.c:9234)
[   81.828375][ T1335]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   81.828379][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828383][ T1335]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   81.828386][ T1335]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   81.828389][ T1335]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.828393][ T1335]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   81.828394][ T1335]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   81.828396][ T1335]  put_chars (drivers/char/virtio_console.c:1176)
[   81.828398][ T1335]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   81.828400][ T1335]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   81.828402][ T1335]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   81.828404][ T1335]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   81.828408][ T1335]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   81.828409][ T1335]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   81.828411][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.828413][ T1335]  console_emit_next_record (kernel/printk/printk.c:3183)
[   81.828415][ T1335]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   81.828417][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828419][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828420][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828422][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.828424][ T1335]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   81.828426][ T1335]  console_flush_one_record (kernel/printk/printk.c:3268)
[   81.828428][ T1335]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   81.828431][ T1335]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   81.828433][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.828434][ T1335]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   81.828436][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828438][ T1335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   81.828439][ T1335]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   81.828440][ T1335]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   81.828443][ T1335]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   81.828445][ T1335]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   81.828447][ T1335]  vprintk_emit (kernel/printk/printk.c:2479)
[   81.828449][ T1335]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   81.828451][ T1335]  ? __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)
[   81.828454][ T1335]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   81.828455][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828458][ T1335]  _printk (kernel/printk/printk.c:2504)
[   81.828461][ T1335]  ? snapshot_read.cold (user.c:?)
[   81.828463][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828465][ T1335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   81.828466][ T1335]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   81.828469][ T1335] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   81.828482][ T1335] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   81.828489][ T1335] new_nbp (net/bridge/br_if.c:449) bridge
[   81.828498][ T1335] br_add_if (net/bridge/br_if.c:592) bridge
[   81.828506][ T1335]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   81.828508][ T1335]  do_set_master (net/core/rtnetlink.c:3071)
[   81.828513][ T1335]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   81.828515][ T1335]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   81.828516][ T1335]  ? __dev_get_by_name (net/core/dev.c:905)
[   81.828519][ T1335]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   81.828522][ T1335]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   81.828525][ T1335]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   81.828527][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828529][ T1335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   81.828530][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.828532][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828534][ T1335]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   81.828537][ T1335]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   81.828539][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828541][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828543][ T1335]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   81.828546][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.828548][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828549][ T1335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   81.828551][ T1335]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   81.828553][ T1335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.828554][ T1335]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   81.828556][ T1335]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   81.828560][ T1335]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   81.828563][ T1335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.828565][ T1335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   81.828566][ T1335]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.828568][ T1335]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   81.828570][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828572][ T1335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   81.828574][ T1335]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.828577][ T1335]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.828578][ T1335]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[   81.828582][ T1335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   81.828583][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828586][ T1335]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   81.828588][ T1335]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   81.828589][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828591][ T1335]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   81.828593][ T1335]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   81.828596][ T1335]  ? copy_msghdr_from_user (net/socket.c:2650)
[   81.828598][ T1335]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   81.828599][ T1335]  ? move_addr_to_kernel (net/socket.c:258)
[   81.828602][ T1335]  ? __vmf_anon_prepare (mm/memory.c:3958)
[   81.828605][ T1335]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[   81.828608][ T1335]  ___sys_sendmsg (net/socket.c:2767)
[   81.828610][ T1335]  ? copy_msghdr_from_user (net/socket.c:2619)
[   81.828615][ T1335]  __sys_sendmsg (net/socket.c:2799)
[   81.828617][ T1335]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   81.828619][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828621][ T1335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   81.828623][ T1335]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   81.828626][ T1335]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   81.828628][ T1335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.828630][ T1335] RIP: 0033:0x7f81de9d754e
[   81.828632][ T1335] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   81.828634][ T1335] RSP: 002b:00007ffda5e708e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   81.828638][ T1335] RAX: ffffffffffffffda RBX: 00007ffda5e71098 RCX: 00007f81de9d754e
[   81.828639][ T1335] RDX: 0000000000000000 RSI: 00007ffda5e70990 RDI: 0000000000000005
[   81.828640][ T1335] RBP: 00007ffda5e708f0 R08: 0000000000000000 R09: 0000000000000000
[   81.828641][ T1335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915179
[   81.828642][ T1335] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda5e71050
| [  143.022212][T17899] softirqs last disabled at (0): 0x0
| [  143.022214][T17899] Preemption disabled at:
| [  143.022215][T17899] vprintk_emit (kernel/printk/printk.c:2471)
| [  143.022236][T17899] Tainted: [W]=WARN
[  143.022237][T17899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  143.022240][T17899] Call Trace:
[  143.022242][T17899]  <TASK>
[  143.022244][T17899]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  143.022251][T17899]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  143.022254][T17899]  __might_resched.cold (kernel/sched/core.c:9234)
[  143.022259][T17899]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  143.022264][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022269][T17899]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  143.022274][T17899]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  143.022277][T17899]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.022283][T17899]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  143.022286][T17899]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.022289][T17899]  put_chars (drivers/char/virtio_console.c:1176)
[  143.022292][T17899]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  143.022295][T17899]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  143.022299][T17899]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  143.022304][T17899]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  143.022307][T17899]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  143.022309][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022312][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.022316][T17899]  console_emit_next_record (kernel/printk/printk.c:3183)
[  143.022320][T17899]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  143.022323][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022326][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.022329][T17899]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  143.022332][T17899]  console_flush_one_record (kernel/printk/printk.c:3268)
[  143.022336][T17899]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  143.022340][T17899]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  143.022343][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.022345][T17899]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  143.022348][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022351][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.022353][T17899]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  143.022356][T17899]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  143.022359][T17899]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  143.022362][T17899]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  143.022365][T17899]  vprintk_emit (kernel/printk/printk.c:2479)
[  143.022369][T17899]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  143.022372][T17899]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  143.022376][T17899]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  143.022380][T17899]  ? ___sys_sendmsg (net/socket.c:2767)
[  143.022383][T17899]  ? __sys_sendmsg (net/socket.c:2799)
[  143.022385][T17899]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  143.022389][T17899]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  143.022393][T17899]  _printk (kernel/printk/printk.c:2504)
[  143.022398][T17899]  ? snapshot_read.cold (user.c:?)
[  143.022400][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022404][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022406][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022409][T17899]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  143.022413][T17899]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  143.022417][T17899]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  143.022421][T17899]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  143.022424][T17899]  ? netdev_notice (net/core/dev.c:13194)
[  143.022426][T17899]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  143.022431][T17899]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  143.022433][T17899]  ? 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)
[  143.022437][T17899]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  143.022441][T17899]  dev_set_allmulti (net/core/dev_api.c:315)
[  143.022445][T17899] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  143.022465][T17899]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  143.022469][T17899] br_dev_delete (net/bridge/br_if.c:387) bridge
[  143.022484][T17899]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  143.022488][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.022490][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022494][T17899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  143.022497][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022508][T17899]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  143.022512][T17899]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  143.022515][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022517][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022520][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.022522][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022525][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.022528][T17899]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  143.022532][T17899]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  143.022535][T17899]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  143.022539][T17899]  ? __kernel_text_address (kernel/extable.c:79)
[  143.022541][T17899]  ? write_profile (profile.c:?)
[  143.022545][T17899]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  143.022547][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022550][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022552][T17899]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  143.022557][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.022559][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022562][T17899]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  143.022566][T17899]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  143.022569][T17899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.022571][T17899]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  143.022574][T17899]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  143.022580][T17899]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  143.022582][T17899]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.022585][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.022587][T17899]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  143.022589][T17899]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  143.022594][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022597][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.022600][T17899]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  143.022603][T17899]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  143.022606][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022609][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022612][T17899]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.022615][T17899]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  143.022618][T17899]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  143.022621][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022624][T17899]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.022627][T17899]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  143.022630][T17899]  ? copy_msghdr_from_user (net/socket.c:2650)
[  143.022633][T17899]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  143.022636][T17899]  ? move_addr_to_kernel (net/socket.c:258)
[  143.022638][T17899]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  143.022643][T17899]  ___sys_sendmsg (net/socket.c:2767)
[  143.022646][T17899]  ? copy_msghdr_from_user (net/socket.c:2619)
[  143.022654][T17899]  __sys_sendmsg (net/socket.c:2799)
[  143.022658][T17899]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  143.022662][T17899]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.022666][T17899]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  143.022668][T17899]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  143.022672][T17899]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  143.022675][T17899] RIP: 0033:0x7f078066a54e
[  143.022678][T17899] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  143.022681][T17899] RSP: 002b:00007ffed7fcaff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  143.022685][T17899] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f078066a54e
[  143.022687][T17899] RDX: 0000000000000000 RSI: 00007ffed7fcb0a0 RDI: 0000000000000005
[  143.022689][T17899] RBP: 00007ffed7fcb000 R08: 0000000000000000 R09: 0000000000000000
[  143.022691][T17899] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151b6
[  143.022693][T17899] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed7fcb760
| [  145.227665][T17936] softirqs last disabled at (0): 0x0
| [  145.227667][T17936] Preemption disabled at:
| [  145.227668][T17936] vprintk_emit (kernel/printk/printk.c:2471)
| [  145.227680][T17936] Tainted: [W]=WARN
[  145.227681][T17936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  145.227683][T17936] Call Trace:
[  145.227685][T17936]  <TASK>
[  145.227686][T17936]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  145.227693][T17936]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  145.227695][T17936]  __might_resched.cold (kernel/sched/core.c:9234)
[  145.227699][T17936]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  145.227702][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227706][T17936]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  145.227710][T17936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  145.227713][T17936]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  145.227717][T17936]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  145.227719][T17936]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  145.227721][T17936]  put_chars (drivers/char/virtio_console.c:1176)
[  145.227723][T17936]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  145.227725][T17936]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  145.227728][T17936]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  145.227731][T17936]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  145.227732][T17936]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  145.227734][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227736][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  145.227738][T17936]  console_emit_next_record (kernel/printk/printk.c:3183)
[  145.227741][T17936]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  145.227743][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227745][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227747][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227749][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  145.227751][T17936]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  145.227753][T17936]  console_flush_one_record (kernel/printk/printk.c:3268)
[  145.227755][T17936]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  145.227758][T17936]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  145.227760][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  145.227762][T17936]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  145.227763][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227765][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  145.227767][T17936]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  145.227768][T17936]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  145.227771][T17936]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  145.227773][T17936]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  145.227775][T17936]  vprintk_emit (kernel/printk/printk.c:2479)
[  145.227777][T17936]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  145.227779][T17936]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  145.227782][T17936]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  145.227785][T17936]  ? ___sys_sendmsg (net/socket.c:2767)
[  145.227787][T17936]  ? __sys_sendmsg (net/socket.c:2799)
[  145.227789][T17936]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  145.227792][T17936]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  145.227794][T17936]  _printk (kernel/printk/printk.c:2504)
[  145.227798][T17936]  ? snapshot_read.cold (user.c:?)
[  145.227799][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227801][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227803][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227805][T17936]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  145.227808][T17936]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  145.227811][T17936]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  145.227813][T17936]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  145.227815][T17936]  ? netdev_notice (net/core/dev.c:13194)
[  145.227816][T17936]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  145.227819][T17936]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  145.227821][T17936]  ? 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)
[  145.227823][T17936]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  145.227826][T17936]  dev_set_allmulti (net/core/dev_api.c:315)
[  145.227829][T17936] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  145.227842][T17936]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  145.227845][T17936] br_dev_delete (net/bridge/br_if.c:387) bridge
[  145.227853][T17936]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  145.227856][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  145.227858][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227860][T17936]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  145.227862][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227869][T17936]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  145.227872][T17936]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  145.227875][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227878][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227881][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  145.227883][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227886][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  145.227888][T17936]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  145.227892][T17936]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  145.227894][T17936]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  145.227896][T17936]  ? __kernel_text_address (kernel/extable.c:79)
[  145.227898][T17936]  ? write_profile (profile.c:?)
[  145.227900][T17936]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  145.227901][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227903][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227905][T17936]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  145.227909][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  145.227910][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227912][T17936]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  145.227914][T17936]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  145.227916][T17936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  145.227918][T17936]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  145.227919][T17936]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  145.227924][T17936]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  145.227925][T17936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  145.227927][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  145.227928][T17936]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  145.227930][T17936]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  145.227932][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227934][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  145.227936][T17936]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  145.227939][T17936]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  145.227940][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227942][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227944][T17936]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  145.227946][T17936]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  145.227948][T17936]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  145.227950][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227952][T17936]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  145.227954][T17936]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  145.227956][T17936]  ? copy_msghdr_from_user (net/socket.c:2650)
[  145.227958][T17936]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  145.227959][T17936]  ? move_addr_to_kernel (net/socket.c:258)
[  145.227961][T17936]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  145.227964][T17936]  ___sys_sendmsg (net/socket.c:2767)
[  145.227966][T17936]  ? copy_msghdr_from_user (net/socket.c:2619)
[  145.227971][T17936]  __sys_sendmsg (net/socket.c:2799)
[  145.227973][T17936]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  145.227976][T17936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  145.227978][T17936]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  145.227980][T17936]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  145.227982][T17936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  145.227984][T17936] RIP: 0033:0x7f35f6b2354e
[  145.227986][T17936] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  145.227988][T17936] RSP: 002b:00007ffc8414deb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  145.227992][T17936] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f35f6b2354e
[  145.227994][T17936] RDX: 0000000000000000 RSI: 00007ffc8414df60 RDI: 0000000000000005
[  145.227995][T17936] RBP: 00007ffc8414dec0 R08: 0000000000000000 R09: 0000000000000000
[  145.227996][T17936] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151b8
[  145.227997][T17936] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8414e620
| [  147.403479][T17975] softirqs last disabled at (0): 0x0
| [  147.403481][T17975] Preemption disabled at:
| [  147.403481][T17975] vprintk_emit (kernel/printk/printk.c:2471)
| [  147.403493][T17975] Tainted: [W]=WARN
[  147.403494][T17975] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  147.403496][T17975] Call Trace:
[  147.403498][T17975]  <TASK>
[  147.403499][T17975]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  147.403505][T17975]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  147.403507][T17975]  __might_resched.cold (kernel/sched/core.c:9234)
[  147.403511][T17975]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  147.403515][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403519][T17975]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  147.403522][T17975]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  147.403525][T17975]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  147.403529][T17975]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  147.403531][T17975]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  147.403533][T17975]  put_chars (drivers/char/virtio_console.c:1176)
[  147.403535][T17975]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  147.403536][T17975]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  147.403539][T17975]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  147.403541][T17975]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  147.403545][T17975]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  147.403546][T17975]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  147.403548][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  147.403550][T17975]  console_emit_next_record (kernel/printk/printk.c:3183)
[  147.403552][T17975]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  147.403554][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403556][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403558][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403560][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  147.403562][T17975]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  147.403563][T17975]  console_flush_one_record (kernel/printk/printk.c:3268)
[  147.403566][T17975]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  147.403569][T17975]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  147.403571][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  147.403572][T17975]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  147.403574][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403576][T17975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  147.403577][T17975]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  147.403579][T17975]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  147.403581][T17975]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  147.403583][T17975]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  147.403585][T17975]  vprintk_emit (kernel/printk/printk.c:2479)
[  147.403588][T17975]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  147.403590][T17975]  ? __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)
[  147.403593][T17975]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  147.403594][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403596][T17975]  _printk (kernel/printk/printk.c:2504)
[  147.403599][T17975]  ? snapshot_read.cold (user.c:?)
[  147.403601][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403603][T17975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  147.403605][T17975]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  147.403607][T17975] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  147.403621][T17975] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  147.403629][T17975] new_nbp (net/bridge/br_if.c:449) bridge
[  147.403638][T17975] br_add_if (net/bridge/br_if.c:592) bridge
[  147.403645][T17975]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  147.403648][T17975]  do_set_master (net/core/rtnetlink.c:3071)
[  147.403653][T17975]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  147.403655][T17975]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  147.403656][T17975]  ? __dev_get_by_name (net/core/dev.c:905)
[  147.403659][T17975]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  147.403663][T17975]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  147.403665][T17975]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  147.403667][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403669][T17975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  147.403671][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  147.403672][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403675][T17975]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  147.403678][T17975]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  147.403680][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403682][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403684][T17975]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  147.403688][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  147.403689][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403691][T17975]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  147.403693][T17975]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  147.403695][T17975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  147.403696][T17975]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  147.403698][T17975]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  147.403703][T17975]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  147.403705][T17975]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  147.403707][T17975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  147.403708][T17975]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  147.403710][T17975]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  147.403712][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403714][T17975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  147.403716][T17975]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  147.403718][T17975]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  147.403720][T17975]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1436)
[  147.403723][T17975]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  147.403725][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403727][T17975]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  147.403729][T17975]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  147.403731][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403733][T17975]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  147.403735][T17975]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  147.403738][T17975]  ? copy_msghdr_from_user (net/socket.c:2650)
[  147.403740][T17975]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  147.403741][T17975]  ? move_addr_to_kernel (net/socket.c:258)
[  147.403743][T17975]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  147.403746][T17975]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  147.403749][T17975]  ___sys_sendmsg (net/socket.c:2767)
[  147.403751][T17975]  ? copy_msghdr_from_user (net/socket.c:2619)
[  147.403757][T17975]  __sys_sendmsg (net/socket.c:2799)
[  147.403759][T17975]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  147.403762][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403763][T17975]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  147.403766][T17975]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  147.403768][T17975]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  147.403770][T17975]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  147.403772][T17975] RIP: 0033:0x7f59e2b3454e
[  147.403774][T17975] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  147.403776][T17975] RSP: 002b:00007ffd46bd0cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  147.403780][T17975] RAX: ffffffffffffffda RBX: 00007ffd46bd1468 RCX: 00007f59e2b3454e
[  147.403782][T17975] RDX: 0000000000000000 RSI: 00007ffd46bd0d60 RDI: 0000000000000005
[  147.403783][T17975] RBP: 00007ffd46bd0cc0 R08: 0000000000000000 R09: 0000000000000000
[  147.403784][T17975] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151ba
[  147.403785][T17975] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd46bd1420
| [  148.414097][T18023] softirqs last disabled at (0): 0x0
| [  148.414099][T18023] Preemption disabled at:
| [  148.414099][T18023] vprintk_emit (kernel/printk/printk.c:2471)
| [  148.414111][T18023] Tainted: [W]=WARN
[  148.414112][T18023] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.414114][T18023] Call Trace:
[  148.414116][T18023]  <TASK>
[  148.414117][T18023]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  148.414123][T18023]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  148.414125][T18023]  __might_resched.cold (kernel/sched/core.c:9234)
[  148.414129][T18023]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  148.414132][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414136][T18023]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  148.414140][T18023]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  148.414143][T18023]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.414147][T18023]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  148.414148][T18023]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.414154][T18023]  put_chars (drivers/char/virtio_console.c:1176)
[  148.414156][T18023]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  148.414157][T18023]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  148.414159][T18023]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  148.414162][T18023]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  148.414166][T18023]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  148.414167][T18023]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  148.414169][T18023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.414171][T18023]  console_emit_next_record (kernel/printk/printk.c:3183)
[  148.414174][T18023]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  148.414176][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414178][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414179][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414181][T18023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.414183][T18023]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  148.414185][T18023]  console_flush_one_record (kernel/printk/printk.c:3268)
[  148.414188][T18023]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  148.414191][T18023]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  148.414192][T18023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.414194][T18023]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  148.414196][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414198][T18023]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  148.414199][T18023]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  148.414201][T18023]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  148.414203][T18023]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  148.414205][T18023]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  148.414207][T18023]  vprintk_emit (kernel/printk/printk.c:2479)
[  148.414210][T18023]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  148.414212][T18023]  ? __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)
[  148.414215][T18023]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  148.414216][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414218][T18023]  _printk (kernel/printk/printk.c:2504)
[  148.414222][T18023]  ? snapshot_read.cold (user.c:?)
[  148.414224][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414226][T18023]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  148.414227][T18023]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  148.414230][T18023] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  148.414243][T18023] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  148.414251][T18023] new_nbp (net/bridge/br_if.c:449) bridge
[  148.414266][T18023] br_add_if (net/bridge/br_if.c:592) bridge
[  148.414276][T18023]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  148.414279][T18023]  do_set_master (net/core/rtnetlink.c:3071)
[  148.414283][T18023]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  148.414285][T18023]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  148.414287][T18023]  ? __dev_get_by_name (net/core/dev.c:905)
[  148.414289][T18023]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  148.414293][T18023]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  148.414295][T18023]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  148.414298][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414300][T18023]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  148.414301][T18023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.414303][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414305][T18023]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  148.414309][T18023]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  148.414311][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414314][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414315][T18023]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  148.414319][T18023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.414321][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414323][T18023]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  148.414325][T18023]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  148.414327][T18023]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  148.414329][T18023]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  148.414332][T18023]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  148.414336][T18023]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  148.414339][T18023]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  148.414341][T18023]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  148.414343][T18023]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  148.414344][T18023]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  148.414348][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414350][T18023]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  148.414352][T18023]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  148.414354][T18023]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  148.414356][T18023]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1436)
[  148.414360][T18023]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.414362][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414364][T18023]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  148.414367][T18023]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  148.414369][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414372][T18023]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  148.414374][T18023]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  148.414377][T18023]  ? copy_msghdr_from_user (net/socket.c:2650)
[  148.414379][T18023]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  148.414381][T18023]  ? move_addr_to_kernel (net/socket.c:258)
[  148.414383][T18023]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  148.414386][T18023]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  148.414390][T18023]  ___sys_sendmsg (net/socket.c:2767)
[  148.414392][T18023]  ? copy_msghdr_from_user (net/socket.c:2619)
[  148.414398][T18023]  __sys_sendmsg (net/socket.c:2799)
[  148.414401][T18023]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  148.414404][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414406][T18023]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.414409][T18023]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  148.414411][T18023]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  148.414414][T18023]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  148.414416][T18023] RIP: 0033:0x7f3ebd28254e
[  148.414418][T18023] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  148.414420][T18023] RSP: 002b:00007ffe819d50f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  148.414425][T18023] RAX: ffffffffffffffda RBX: 00007ffe819d58a8 RCX: 00007f3ebd28254e
[  148.414427][T18023] RDX: 0000000000000000 RSI: 00007ffe819d51a0 RDI: 0000000000000005
[  148.414428][T18023] RBP: 00007ffe819d5100 R08: 0000000000000000 R09: 0000000000000000
[  148.414429][T18023] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151bb
[  148.414430][T18023] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe819d5860
| [  149.432446][T18072] softirqs last disabled at (0): 0x0
| [  149.432448][T18072] Preemption disabled at:
| [  149.432449][T18072] vprintk_emit (kernel/printk/printk.c:2471)
| [  149.432460][T18072] Tainted: [W]=WARN
[  149.432461][T18072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  149.432463][T18072] Call Trace:
[  149.432465][T18072]  <TASK>
[  149.432466][T18072]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  149.432472][T18072]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  149.432474][T18072]  __might_resched.cold (kernel/sched/core.c:9234)
[  149.432478][T18072]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  149.432481][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432485][T18072]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  149.432489][T18072]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.432492][T18072]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.432495][T18072]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  149.432497][T18072]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  149.432499][T18072]  put_chars (drivers/char/virtio_console.c:1176)
[  149.432502][T18072]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  149.432503][T18072]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  149.432505][T18072]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  149.432508][T18072]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  149.432512][T18072]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  149.432513][T18072]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  149.432515][T18072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.432517][T18072]  console_emit_next_record (kernel/printk/printk.c:3183)
[  149.432519][T18072]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  149.432521][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432523][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432525][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432527][T18072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.432529][T18072]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  149.432530][T18072]  console_flush_one_record (kernel/printk/printk.c:3268)
[  149.432533][T18072]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  149.432536][T18072]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  149.432538][T18072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.432539][T18072]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  149.432541][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432543][T18072]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.432544][T18072]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  149.432546][T18072]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  149.432548][T18072]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  149.432550][T18072]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  149.432552][T18072]  vprintk_emit (kernel/printk/printk.c:2479)
[  149.432555][T18072]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  149.432557][T18072]  ? __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)
[  149.432561][T18072]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  149.432562][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432564][T18072]  _printk (kernel/printk/printk.c:2504)
[  149.432567][T18072]  ? snapshot_read.cold (user.c:?)
[  149.432569][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432571][T18072]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.432573][T18072]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[  149.432575][T18072] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  149.432588][T18072] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  149.432596][T18072] new_nbp (net/bridge/br_if.c:449) bridge
[  149.432606][T18072] br_add_if (net/bridge/br_if.c:592) bridge
[  149.432614][T18072]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[  149.432616][T18072]  do_set_master (net/core/rtnetlink.c:3071)
[  149.432621][T18072]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[  149.432623][T18072]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[  149.432624][T18072]  ? __dev_get_by_name (net/core/dev.c:905)
[  149.432627][T18072]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[  149.432631][T18072]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[  149.432633][T18072]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  149.432636][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432638][T18072]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  149.432639][T18072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.432640][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432643][T18072]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  149.432646][T18072]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  149.432648][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432650][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432652][T18072]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  149.432656][T18072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.432657][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432659][T18072]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  149.432661][T18072]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  149.432662][T18072]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.432664][T18072]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  149.432666][T18072]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  149.432671][T18072]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  149.432673][T18072]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  149.432675][T18072]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.432676][T18072]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  149.432678][T18072]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  149.432681][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432683][T18072]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.432685][T18072]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  149.432687][T18072]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  149.432688][T18072]  ? flush_tlb_mm_range (arch/x86/mm/tlb.c:1431 (discriminator 1))
[  149.432692][T18072]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  149.432693][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432696][T18072]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  149.432698][T18072]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  149.432700][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432702][T18072]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  149.432704][T18072]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  149.432707][T18072]  ? copy_msghdr_from_user (net/socket.c:2650)
[  149.432709][T18072]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  149.432710][T18072]  ? move_addr_to_kernel (net/socket.c:258)
[  149.432713][T18072]  ? __vmf_anon_prepare (mm/memory.c:3958)
[  149.432715][T18072]  ? apply_to_pte_range (mm/memory.c:3453 (discriminator 7))
[  149.432719][T18072]  ___sys_sendmsg (net/socket.c:2767)
[  149.432721][T18072]  ? copy_msghdr_from_user (net/socket.c:2619)
[  149.432726][T18072]  __sys_sendmsg (net/socket.c:2799)
[  149.432728][T18072]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  149.432731][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432733][T18072]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  149.432735][T18072]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  149.432737][T18072]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  149.432739][T18072]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  149.432741][T18072] RIP: 0033:0x7f2e33a0554e
[  149.432744][T18072] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  149.432746][T18072] RSP: 002b:00007ffd477aa0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  149.432750][T18072] RAX: ffffffffffffffda RBX: 00007ffd477aa888 RCX: 00007f2e33a0554e
[  149.432751][T18072] RDX: 0000000000000000 RSI: 00007ffd477aa180 RDI: 0000000000000005
[  149.432752][T18072] RBP: 00007ffd477aa0e0 R08: 0000000000000000 R09: 0000000000000000
[  149.432753][T18072] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151bc
[  149.432754][T18072] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd477aa840
| [  207.300791][ T2168] softirqs last disabled at (0): 0x0
| [  207.300793][ T2168] Preemption disabled at:
| [  207.300794][ T2168] vprintk_emit (kernel/printk/printk.c:2471)
| [  207.300806][ T2168] Tainted: [W]=WARN
[  207.300807][ T2168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  207.300809][ T2168] Call Trace:
[  207.300811][ T2168]  <TASK>
[  207.300812][ T2168]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  207.300818][ T2168]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  207.300820][ T2168]  __might_resched.cold (kernel/sched/core.c:9234)
[  207.300824][ T2168]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  207.300827][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.300831][ T2168]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  207.300835][ T2168]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  207.300837][ T2168]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  207.300841][ T2168]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  207.300843][ T2168]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  207.300845][ T2168]  put_chars (drivers/char/virtio_console.c:1176)
[  207.300847][ T2168]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  207.300849][ T2168]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  207.300852][ T2168]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  207.300856][ T2168]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  207.300857][ T2168]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  207.300859][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.300861][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.300863][ T2168]  console_emit_next_record (kernel/printk/printk.c:3183)
[  207.300866][ T2168]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  207.300868][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.300870][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.300873][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.300875][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.300879][ T2168]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  207.300881][ T2168]  console_flush_one_record (kernel/printk/printk.c:3268)
[  207.300885][ T2168]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  207.300888][ T2168]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  207.300890][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.300892][ T2168]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  207.300894][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.300896][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  207.300897][ T2168]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  207.300899][ T2168]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  207.300901][ T2168]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  207.300903][ T2168]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  207.300905][ T2168]  vprintk_emit (kernel/printk/printk.c:2479)
[  207.300907][ T2168]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  207.300909][ T2168]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  207.300913][ T2168]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  207.300916][ T2168]  ? ___sys_sendmsg (net/socket.c:2767)
[  207.300917][ T2168]  ? __sys_sendmsg (net/socket.c:2799)
[  207.300919][ T2168]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  207.300922][ T2168]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  207.300924][ T2168]  _printk (kernel/printk/printk.c:2504)
[  207.300928][ T2168]  ? snapshot_read.cold (user.c:?)
[  207.300930][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.300932][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.300933][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.300935][ T2168]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  207.300938][ T2168]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  207.300941][ T2168]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  207.300943][ T2168]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  207.300945][ T2168]  ? netdev_notice (net/core/dev.c:13194)
[  207.300946][ T2168]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  207.300950][ T2168]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  207.300951][ T2168]  ? 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)
[  207.300953][ T2168]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  207.300957][ T2168]  dev_set_allmulti (net/core/dev_api.c:315)
[  207.300959][ T2168] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  207.300972][ T2168]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  207.300975][ T2168] br_dev_delete (net/bridge/br_if.c:387) bridge
[  207.300982][ T2168]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  207.300985][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  207.300987][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.300989][ T2168]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  207.300992][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.300998][ T2168]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  207.301001][ T2168]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  207.301003][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.301005][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.301007][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.301008][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.301010][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  207.301012][ T2168]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  207.301015][ T2168]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  207.301017][ T2168]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  207.301020][ T2168]  ? __kernel_text_address (kernel/extable.c:79)
[  207.301021][ T2168]  ? write_profile (profile.c:?)
[  207.301023][ T2168]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  207.301025][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.301027][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.301028][ T2168]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  207.301032][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.301034][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.301036][ T2168]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  207.301038][ T2168]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  207.301040][ T2168]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  207.301041][ T2168]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  207.301043][ T2168]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  207.301047][ T2168]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  207.301049][ T2168]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  207.301050][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  207.301052][ T2168]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  207.301053][ T2168]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  207.301056][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.301058][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  207.301060][ T2168]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  207.301062][ T2168]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  207.301063][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.301065][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.301067][ T2168]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  207.301069][ T2168]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  207.301071][ T2168]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  207.301073][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.301075][ T2168]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  207.301077][ T2168]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  207.301078][ T2168]  ? copy_msghdr_from_user (net/socket.c:2650)
[  207.301080][ T2168]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  207.301082][ T2168]  ? move_addr_to_kernel (net/socket.c:258)
[  207.301083][ T2168]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  207.301086][ T2168]  ___sys_sendmsg (net/socket.c:2767)
[  207.301088][ T2168]  ? copy_msghdr_from_user (net/socket.c:2619)
[  207.301093][ T2168]  __sys_sendmsg (net/socket.c:2799)
[  207.301095][ T2168]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  207.301098][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  207.301100][ T2168]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  207.301102][ T2168]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  207.301104][ T2168]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  207.301106][ T2168] RIP: 0033:0x7f2cd3f0754e
[  207.301108][ T2168] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  207.301109][ T2168] RSP: 002b:00007ffcee444580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  207.301114][ T2168] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2cd3f0754e
[  207.301115][ T2168] RDX: 0000000000000000 RSI: 00007ffcee444630 RDI: 0000000000000005
[  207.301116][ T2168] RBP: 00007ffcee444590 R08: 0000000000000000 R09: 0000000000000000
[  207.301117][ T2168] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151f6
[  207.301118][ T2168] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcee444cf0
| [  209.467261][ T2204] softirqs last disabled at (0): 0x0
| [  209.467263][ T2204] Preemption disabled at:
| [  209.467264][ T2204] vprintk_emit (kernel/printk/printk.c:2471)
| [  209.467275][ T2204] Tainted: [W]=WARN
[  209.467276][ T2204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  209.467278][ T2204] Call Trace:
[  209.467280][ T2204]  <TASK>
[  209.467281][ T2204]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  209.467287][ T2204]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  209.467289][ T2204]  __might_resched.cold (kernel/sched/core.c:9234)
[  209.467293][ T2204]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  209.467297][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467301][ T2204]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  209.467305][ T2204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  209.467307][ T2204]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  209.467311][ T2204]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  209.467313][ T2204]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  209.467315][ T2204]  put_chars (drivers/char/virtio_console.c:1176)
[  209.467317][ T2204]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  209.467319][ T2204]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  209.467322][ T2204]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  209.467325][ T2204]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  209.467327][ T2204]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  209.467328][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467330][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.467333][ T2204]  console_emit_next_record (kernel/printk/printk.c:3183)
[  209.467335][ T2204]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  209.467337][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467339][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467341][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467343][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.467345][ T2204]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  209.467346][ T2204]  console_flush_one_record (kernel/printk/printk.c:3268)
[  209.467349][ T2204]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  209.467352][ T2204]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  209.467354][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.467355][ T2204]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  209.467357][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467359][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  209.467360][ T2204]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  209.467362][ T2204]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  209.467364][ T2204]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  209.467366][ T2204]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  209.467368][ T2204]  vprintk_emit (kernel/printk/printk.c:2479)
[  209.467370][ T2204]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  209.467372][ T2204]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  209.467376][ T2204]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  209.467379][ T2204]  ? ___sys_sendmsg (net/socket.c:2767)
[  209.467380][ T2204]  ? __sys_sendmsg (net/socket.c:2799)
[  209.467382][ T2204]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  209.467385][ T2204]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  209.467387][ T2204]  _printk (kernel/printk/printk.c:2504)
[  209.467390][ T2204]  ? snapshot_read.cold (user.c:?)
[  209.467392][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467394][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467396][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467398][ T2204]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  209.467401][ T2204]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  209.467404][ T2204]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  209.467406][ T2204]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  209.467407][ T2204]  ? netdev_notice (net/core/dev.c:13194)
[  209.467409][ T2204]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  209.467412][ T2204]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  209.467414][ T2204]  ? 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)
[  209.467416][ T2204]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  209.467419][ T2204]  dev_set_allmulti (net/core/dev_api.c:315)
[  209.467422][ T2204] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  209.467434][ T2204]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[  209.467437][ T2204] br_dev_delete (net/bridge/br_if.c:387) bridge
[  209.467445][ T2204]  rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694)
[  209.467448][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  209.467450][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467452][ T2204]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  209.467454][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467461][ T2204]  ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495)
[  209.467464][ T2204]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  209.467465][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467467][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467469][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.467471][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467473][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  209.467474][ T2204]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  209.467478][ T2204]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  209.467480][ T2204]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  209.467482][ T2204]  ? __kernel_text_address (kernel/extable.c:79)
[  209.467483][ T2204]  ? write_profile (profile.c:?)
[  209.467485][ T2204]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  209.467487][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467489][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467490][ T2204]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  209.467494][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.467495][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467497][ T2204]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[  209.467500][ T2204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  209.467502][ T2204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  209.467503][ T2204]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  209.467505][ T2204]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  209.467509][ T2204]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  209.467510][ T2204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  209.467512][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  209.467513][ T2204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  209.467515][ T2204]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  209.467517][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467519][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  209.467521][ T2204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  209.467523][ T2204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  209.467525][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467527][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467529][ T2204]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  209.467530][ T2204]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  209.467533][ T2204]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  209.467534][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467536][ T2204]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  209.467538][ T2204]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  209.467540][ T2204]  ? copy_msghdr_from_user (net/socket.c:2650)
[  209.467542][ T2204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  209.467544][ T2204]  ? move_addr_to_kernel (net/socket.c:258)
[  209.467545][ T2204]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  209.467548][ T2204]  ___sys_sendmsg (net/socket.c:2767)
[  209.467550][ T2204]  ? copy_msghdr_from_user (net/socket.c:2619)
[  209.467555][ T2204]  __sys_sendmsg (net/socket.c:2799)
[  209.467557][ T2204]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  209.467560][ T2204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  209.467562][ T2204]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  209.467563][ T2204]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  209.467565][ T2204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  209.467567][ T2204] RIP: 0033:0x7f9d9898d54e
[  209.467569][ T2204] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  209.467571][ T2204] RSP: 002b:00007ffd90b8c8e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  209.467575][ T2204] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9d9898d54e
[  209.467576][ T2204] RDX: 0000000000000000 RSI: 00007ffd90b8c990 RDI: 0000000000000005
[  209.467577][ T2204] RBP: 00007ffd90b8c8f0 R08: 0000000000000000 R09: 0000000000000000
[  209.467578][ T2204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9151f8
[  209.467579][ T2204] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd90b8d050
| [  223.467119][ T2339] softirqs last disabled at (0): 0x0
| [  223.467121][ T2339] Preemption disabled at:
| [  223.467121][ T2339] vprintk_emit (kernel/printk/printk.c:2471)
| [  223.467133][ T2339] Tainted: [W]=WARN
[  223.467134][ T2339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  223.467136][ T2339] Call Trace:
[  223.467137][ T2339]  <TASK>
[  223.467139][ T2339]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  223.467144][ T2339]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  223.467146][ T2339]  __might_resched.cold (kernel/sched/core.c:9234)
[  223.467153][ T2339]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  223.467157][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.467161][ T2339]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  223.467165][ T2339]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  223.467168][ T2339]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.467172][ T2339]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  223.467174][ T2339]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  223.467176][ T2339]  put_chars (drivers/char/virtio_console.c:1176)
[  223.467177][ T2339]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  223.467180][ T2339]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  223.467182][ T2339]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  223.467184][ T2339]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  223.467188][ T2339]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  223.467189][ T2339]  ? 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)
[  223.467191][ T2339]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  223.467193][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.467194][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.467196][ T2339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.467199][ T2339]  console_emit_next_record (kernel/printk/printk.c:3183)
[  223.467201][ T2339]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  223.467204][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.467205][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.467207][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.467209][ T2339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.467211][ T2339]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  223.467213][ T2339]  console_flush_one_record (kernel/printk/printk.c:3268)
[  223.467215][ T2339]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  223.467218][ T2339]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  223.467220][ T2339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  223.467222][ T2339]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  223.467224][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.467226][ T2339]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  223.467227][ T2339]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  223.467229][ T2339]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  223.467231][ T2339]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  223.467233][ T2339]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  223.467235][ T2339]  vprintk_emit (kernel/printk/printk.c:2479)
[  223.467238][ T2339]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  223.467241][ T2339]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[  223.467243][ T2339]  _printk (kernel/printk/printk.c:2504)
[  223.467247][ T2339]  ? snapshot_read.cold (user.c:?)
[  223.467250][ T2339]  ? 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)
[  223.467252][ T2339] gact_init_module (net/sched/act_gact.c:180) act_gact
[  223.467254][ T2339]  do_one_initcall (init/main.c:1357)
[  223.467256][ T2339]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[  223.467259][ T2339]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[  223.467262][ T2339]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[  223.467265][ T2339]  do_init_module (kernel/module/main.c:3117)
[  223.467267][ T2339]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[  223.467270][ T2339]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[  223.467272][ T2339]  load_module (kernel/module/main.c:3593)
[  223.467276][ T2339]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[  223.467278][ T2339]  ? __ia32_sys_fsconfig (??:?)
[  223.467281][ T2339]  ? ovl_real_file (fs/overlayfs/file.c:195)
[  223.467284][ T2339]  ? backing_file_read_iter (fs/backing-file.c:211)
[  223.467287][ T2339]  init_module_from_file (kernel/module/main.c:3790)
[  223.467290][ T2339]  ? __do_sys_init_module (kernel/module/main.c:3664)
[  223.467292][ T2339]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  223.467295][ T2339]  ? ovl_mmap (fs/overlayfs/file.c:477)
[  223.467298][ T2339]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  223.467300][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.467302][ T2339]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  223.467303][ T2339]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  223.467305][ T2339]  idempotent_init_module (kernel/module/main.c:3802)
[  223.467308][ T2339]  ? init_module_from_file (kernel/module/main.c:3791)
[  223.467311][ T2339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  223.467313][ T2339]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  223.467317][ T2339]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[  223.467319][ T2339]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  223.467321][ T2339]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  223.467325][ T2339]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  223.467327][ T2339]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  223.467329][ T2339] RIP: 0033:0x7fc2d91ab37d
[  223.467331][ T2339] 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
[  223.467333][ T2339] RSP: 002b:00007ffd52c95008 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  223.467337][ T2339] RAX: ffffffffffffffda RBX: 000055bbe8cff810 RCX: 00007fc2d91ab37d
[  223.467339][ T2339] RDX: 0000000000000000 RSI: 000055bbdda16ffd RDI: 0000000000000000
[  223.467340][ T2339] RBP: 00007ffd52c950a0 R08: 0000000000000000 R09: 0000000000000000
[  223.467341][ T2339] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bbdda16ffd
[  223.467342][ T2339] R13: 000055bbe8cff960 R14: 0000000000040000 R15: 0000000000000000
| [  241.524812][ T2965] softirqs last disabled at (0): 0x0
| [  241.524815][ T2965] Preemption disabled at:
| [  241.524816][ T2965] 0x0
| [  241.524828][ T2965] Tainted: [W]=WARN
[  241.524829][ T2965] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  241.524831][ T2965] Call Trace:
[  241.524833][ T2965]  <TASK>
[  241.524835][ T2965]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  241.524842][ T2965]  __might_resched.cold (kernel/sched/core.c:9234)
[  241.524848][ T2965]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  241.524852][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.524858][ T2965]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  241.524862][ T2965]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  241.524866][ T2965]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  241.524872][ T2965]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  241.524874][ T2965]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  241.524878][ T2965]  put_chars (drivers/char/virtio_console.c:1176)
[  241.524881][ T2965]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  241.524883][ T2965]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  241.524889][ T2965]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  241.524894][ T2965]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  241.524897][ T2965]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  241.524900][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.524903][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.524906][ T2965]  console_emit_next_record (kernel/printk/printk.c:3183)
[  241.524910][ T2965]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  241.524913][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.524916][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.524919][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.524921][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.524925][ T2965]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  241.524928][ T2965]  console_flush_one_record (kernel/printk/printk.c:3268)
[  241.524931][ T2965]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  241.524936][ T2965]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  241.524939][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.524941][ T2965]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  241.524944][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.524947][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  241.524949][ T2965]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  241.524952][ T2965]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  241.524955][ T2965]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  241.524958][ T2965]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  241.524961][ T2965]  vprintk_emit (kernel/printk/printk.c:2479)
[  241.524965][ T2965]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  241.524968][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.524971][ T2965]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  241.524975][ T2965]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  241.524978][ T2965]  _printk (kernel/printk/printk.c:2504)
[  241.524982][ T2965]  ? snapshot_read.cold (user.c:?)
[  241.524986][ T2965]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  241.524992][ T2965] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  241.525012][ T2965] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  241.525027][ T2965] br_device_event (net/bridge/br.c:111) bridge
[  241.525042][ T2965]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  241.525046][ T2965]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  241.525050][ T2965]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  241.525055][ T2965]  notifier_call_chain (kernel/notifier.c:85)
[  241.525060][ T2965]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  241.525065][ T2965]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  241.525067][ T2965]  ? netif_change_name (net/core/dev.c:1517)
[  241.525071][ T2965]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  241.525074][ T2965]  ? __kernel_text_address (kernel/extable.c:79)
[  241.525077][ T2965]  ? write_profile (profile.c:?)
[  241.525080][ T2965]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  241.525085][ T2965]  netif_change_flags (net/core/dev.c:9882)
[  241.525088][ T2965]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  241.525093][ T2965]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  241.525095][ T2965]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  241.525098][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525100][ T2965]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  241.525106][ T2965]  ? kasan_save_stack (mm/kasan/common.c:58)
[  241.525110][ T2965]  ? kasan_save_stack (mm/kasan/common.c:57)
[  241.525112][ T2965]  ? kasan_save_track (mm/kasan/common.c:78)
[  241.525115][ T2965]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  241.525117][ T2965]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  241.525120][ T2965]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  241.525122][ T2965]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  241.525125][ T2965]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  241.525128][ T2965]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  241.525130][ T2965]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  241.525133][ T2965]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  241.525137][ T2965]  ? ___sys_sendmsg (net/socket.c:2767)
[  241.525139][ T2965]  ? __sys_sendmsg (net/socket.c:2799)
[  241.525142][ T2965]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  241.525145][ T2965]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  241.525149][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525154][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.525156][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525159][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525162][ T2965]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  241.525166][ T2965]  ? __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)
[  241.525169][ T2965]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  241.525171][ T2965]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  241.525175][ T2965]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  241.525178][ T2965]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  241.525182][ T2965]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  241.525186][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525188][ T2965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  241.525191][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.525193][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525196][ T2965]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  241.525201][ T2965]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  241.525203][ T2965]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  241.525206][ T2965]  ? __kernel_text_address (kernel/extable.c:79)
[  241.525208][ T2965]  ? write_profile (profile.c:?)
[  241.525211][ T2965]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  241.525213][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525216][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525218][ T2965]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  241.525223][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.525225][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525229][ T2965]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  241.525231][ T2965]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  241.525234][ T2965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  241.525236][ T2965]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  241.525239][ T2965]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  241.525243][ T2965]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  241.525246][ T2965]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  241.525248][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  241.525251][ T2965]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  241.525253][ T2965]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  241.525257][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525260][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  241.525263][ T2965]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  241.525267][ T2965]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  241.525270][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525272][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525275][ T2965]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  241.525278][ T2965]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  241.525282][ T2965]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  241.525285][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525288][ T2965]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  241.525291][ T2965]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  241.525293][ T2965]  ? copy_msghdr_from_user (net/socket.c:2650)
[  241.525296][ T2965]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  241.525298][ T2965]  ? move_addr_to_kernel (net/socket.c:258)
[  241.525301][ T2965]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  241.525305][ T2965]  ___sys_sendmsg (net/socket.c:2767)
[  241.525309][ T2965]  ? copy_msghdr_from_user (net/socket.c:2619)
[  241.525317][ T2965]  __sys_sendmsg (net/socket.c:2799)
[  241.525320][ T2965]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  241.525325][ T2965]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  241.525328][ T2965]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  241.525330][ T2965]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  241.525334][ T2965]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  241.525336][ T2965] RIP: 0033:0x7f8c98ea554e
[  241.525339][ T2965] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  241.525342][ T2965] RSP: 002b:00007ffd66878110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  241.525347][ T2965] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8c98ea554e
[  241.525349][ T2965] RDX: 0000000000000000 RSI: 00007ffd668781c0 RDI: 0000000000000005
[  241.525351][ T2965] RBP: 00007ffd66878120 R08: 0000000000000000 R09: 0000000000000000
[  241.525353][ T2965] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915218
[  241.525355][ T2965] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd66878880
| [  258.134803][ T3057] softirqs last disabled at (0): 0x0
| [  258.134805][ T3057] Preemption disabled at:
| [  258.134807][ T3057] 0x0
| [  258.134818][ T3057] Tainted: [W]=WARN
[  258.134820][ T3057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  258.134822][ T3057] Call Trace:
[  258.134824][ T3057]  <TASK>
[  258.134826][ T3057]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  258.134833][ T3057]  __might_resched.cold (kernel/sched/core.c:9234)
[  258.134839][ T3057]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  258.134844][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.134849][ T3057]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  258.134854][ T3057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  258.134865][ T3057]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  258.134871][ T3057]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  258.134874][ T3057]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  258.134877][ T3057]  put_chars (drivers/char/virtio_console.c:1176)
[  258.134880][ T3057]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  258.134883][ T3057]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  258.134888][ T3057]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  258.134893][ T3057]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  258.134897][ T3057]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  258.134899][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.134902][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.134906][ T3057]  console_emit_next_record (kernel/printk/printk.c:3183)
[  258.134910][ T3057]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  258.134913][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.134916][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.134918][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.134921][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.134925][ T3057]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  258.134928][ T3057]  console_flush_one_record (kernel/printk/printk.c:3268)
[  258.134931][ T3057]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  258.134936][ T3057]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  258.134939][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.134941][ T3057]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  258.134944][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.134947][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  258.134949][ T3057]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  258.134952][ T3057]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  258.134955][ T3057]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  258.134959][ T3057]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  258.134962][ T3057]  vprintk_emit (kernel/printk/printk.c:2479)
[  258.134966][ T3057]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  258.134969][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.134971][ T3057]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  258.134975][ T3057]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  258.134978][ T3057]  _printk (kernel/printk/printk.c:2504)
[  258.134982][ T3057]  ? snapshot_read.cold (user.c:?)
[  258.134986][ T3057]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  258.134992][ T3057] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  258.135012][ T3057] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  258.135026][ T3057] br_device_event (net/bridge/br.c:111) bridge
[  258.135041][ T3057]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  258.135045][ T3057]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  258.135049][ T3057]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  258.135054][ T3057]  notifier_call_chain (kernel/notifier.c:85)
[  258.135059][ T3057]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  258.135063][ T3057]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  258.135067][ T3057]  ? netif_change_name (net/core/dev.c:1517)
[  258.135070][ T3057]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  258.135074][ T3057]  ? __kernel_text_address (kernel/extable.c:79)
[  258.135077][ T3057]  ? write_profile (profile.c:?)
[  258.135080][ T3057]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  258.135085][ T3057]  netif_change_flags (net/core/dev.c:9882)
[  258.135088][ T3057]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  258.135093][ T3057]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  258.135095][ T3057]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  258.135098][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135100][ T3057]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  258.135106][ T3057]  ? kasan_save_stack (mm/kasan/common.c:58)
[  258.135110][ T3057]  ? kasan_save_stack (mm/kasan/common.c:57)
[  258.135112][ T3057]  ? kasan_save_track (mm/kasan/common.c:78)
[  258.135115][ T3057]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  258.135117][ T3057]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  258.135120][ T3057]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  258.135122][ T3057]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  258.135125][ T3057]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  258.135128][ T3057]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.135131][ T3057]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  258.135133][ T3057]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  258.135137][ T3057]  ? ___sys_sendmsg (net/socket.c:2767)
[  258.135139][ T3057]  ? __sys_sendmsg (net/socket.c:2799)
[  258.135142][ T3057]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  258.135145][ T3057]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.135149][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135156][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.135158][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135161][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135164][ T3057]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  258.135168][ T3057]  ? __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)
[  258.135171][ T3057]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  258.135173][ T3057]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  258.135177][ T3057]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  258.135181][ T3057]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  258.135184][ T3057]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  258.135188][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135191][ T3057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  258.135193][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.135195][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135199][ T3057]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  258.135203][ T3057]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  258.135206][ T3057]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  258.135209][ T3057]  ? __kernel_text_address (kernel/extable.c:79)
[  258.135211][ T3057]  ? write_profile (profile.c:?)
[  258.135213][ T3057]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  258.135216][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135219][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135221][ T3057]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  258.135226][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.135228][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135231][ T3057]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  258.135233][ T3057]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  258.135236][ T3057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  258.135239][ T3057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  258.135241][ T3057]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  258.135245][ T3057]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  258.135248][ T3057]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  258.135250][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  258.135253][ T3057]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  258.135255][ T3057]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  258.135259][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135262][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  258.135266][ T3057]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  258.135269][ T3057]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  258.135272][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135274][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135277][ T3057]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  258.135281][ T3057]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  258.135284][ T3057]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  258.135287][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135290][ T3057]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  258.135293][ T3057]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  258.135296][ T3057]  ? copy_msghdr_from_user (net/socket.c:2650)
[  258.135299][ T3057]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  258.135302][ T3057]  ? move_addr_to_kernel (net/socket.c:258)
[  258.135304][ T3057]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  258.135309][ T3057]  ___sys_sendmsg (net/socket.c:2767)
[  258.135312][ T3057]  ? copy_msghdr_from_user (net/socket.c:2619)
[  258.135321][ T3057]  __sys_sendmsg (net/socket.c:2799)
[  258.135324][ T3057]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  258.135329][ T3057]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  258.135332][ T3057]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  258.135334][ T3057]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  258.135337][ T3057]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  258.135341][ T3057] RIP: 0033:0x7f5246c4054e
[  258.135344][ T3057] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  258.135347][ T3057] RSP: 002b:00007ffccb1304c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  258.135352][ T3057] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5246c4054e
[  258.135354][ T3057] RDX: 0000000000000000 RSI: 00007ffccb130570 RDI: 0000000000000005
[  258.135356][ T3057] RBP: 00007ffccb1304d0 R08: 0000000000000000 R09: 0000000000000000
[  258.135357][ T3057] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915229
[  258.135359][ T3057] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccb130c30
| [  264.162434][ T3111] softirqs last disabled at (0): 0x0
| [  264.162436][ T3111] Preemption disabled at:
| [  264.162437][ T3111] 0x0
| [  264.162445][ T3111] Tainted: [W]=WARN
[  264.162446][ T3111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  264.162448][ T3111] Call Trace:
[  264.162450][ T3111]  <TASK>
[  264.162451][ T3111]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  264.162457][ T3111]  __might_resched.cold (kernel/sched/core.c:9234)
[  264.162461][ T3111]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  264.162465][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162469][ T3111]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  264.162473][ T3111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  264.162475][ T3111]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  264.162479][ T3111]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  264.162481][ T3111]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  264.162483][ T3111]  put_chars (drivers/char/virtio_console.c:1176)
[  264.162486][ T3111]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  264.162487][ T3111]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  264.162491][ T3111]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  264.162494][ T3111]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  264.162496][ T3111]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  264.162498][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162500][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  264.162502][ T3111]  console_emit_next_record (kernel/printk/printk.c:3183)
[  264.162505][ T3111]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  264.162507][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162509][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162510][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162512][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  264.162514][ T3111]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  264.162516][ T3111]  console_flush_one_record (kernel/printk/printk.c:3268)
[  264.162518][ T3111]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  264.162521][ T3111]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  264.162523][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  264.162524][ T3111]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  264.162526][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162528][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  264.162529][ T3111]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  264.162531][ T3111]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  264.162533][ T3111]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  264.162535][ T3111]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  264.162537][ T3111]  vprintk_emit (kernel/printk/printk.c:2479)
[  264.162539][ T3111]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  264.162541][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162543][ T3111]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  264.162546][ T3111]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  264.162548][ T3111]  _printk (kernel/printk/printk.c:2504)
[  264.162551][ T3111]  ? snapshot_read.cold (user.c:?)
[  264.162553][ T3111]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  264.162558][ T3111] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  264.162572][ T3111] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  264.162580][ T3111] br_device_event (net/bridge/br.c:111) bridge
[  264.162589][ T3111]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  264.162593][ T3111]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  264.162595][ T3111]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  264.162599][ T3111]  notifier_call_chain (kernel/notifier.c:85)
[  264.162602][ T3111]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  264.162606][ T3111]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  264.162607][ T3111]  ? netif_change_name (net/core/dev.c:1517)
[  264.162610][ T3111]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  264.162612][ T3111]  ? __kernel_text_address (kernel/extable.c:79)
[  264.162614][ T3111]  ? write_profile (profile.c:?)
[  264.162616][ T3111]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  264.162619][ T3111]  netif_change_flags (net/core/dev.c:9882)
[  264.162622][ T3111]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  264.162625][ T3111]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  264.162626][ T3111]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  264.162627][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162629][ T3111]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  264.162633][ T3111]  ? kasan_save_stack (mm/kasan/common.c:58)
[  264.162636][ T3111]  ? kasan_save_stack (mm/kasan/common.c:57)
[  264.162638][ T3111]  ? kasan_save_track (mm/kasan/common.c:78)
[  264.162639][ T3111]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  264.162641][ T3111]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  264.162642][ T3111]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  264.162644][ T3111]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  264.162645][ T3111]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  264.162648][ T3111]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  264.162649][ T3111]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  264.162650][ T3111]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  264.162653][ T3111]  ? ___sys_sendmsg (net/socket.c:2767)
[  264.162654][ T3111]  ? __sys_sendmsg (net/socket.c:2799)
[  264.162656][ T3111]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  264.162658][ T3111]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  264.162661][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162663][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  264.162664][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162666][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162668][ T3111]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  264.162671][ T3111]  ? __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)
[  264.162672][ T3111]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  264.162674][ T3111]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  264.162675][ T3111]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  264.162677][ T3111]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  264.162680][ T3111]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  264.162682][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162684][ T3111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  264.162685][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  264.162686][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162688][ T3111]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  264.162692][ T3111]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  264.162694][ T3111]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  264.162695][ T3111]  ? __kernel_text_address (kernel/extable.c:79)
[  264.162696][ T3111]  ? write_profile (profile.c:?)
[  264.162697][ T3111]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  264.162699][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162700][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162702][ T3111]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  264.162706][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  264.162707][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162709][ T3111]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  264.162710][ T3111]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  264.162712][ T3111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  264.162713][ T3111]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  264.162715][ T3111]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  264.162718][ T3111]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  264.162719][ T3111]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  264.162720][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  264.162722][ T3111]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  264.162723][ T3111]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  264.162726][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162728][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  264.162730][ T3111]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  264.162732][ T3111]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  264.162733][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162735][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162737][ T3111]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  264.162739][ T3111]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  264.162741][ T3111]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  264.162743][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162744][ T3111]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  264.162746][ T3111]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  264.162748][ T3111]  ? copy_msghdr_from_user (net/socket.c:2650)
[  264.162750][ T3111]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  264.162751][ T3111]  ? move_addr_to_kernel (net/socket.c:258)
[  264.162753][ T3111]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  264.162755][ T3111]  ___sys_sendmsg (net/socket.c:2767)
[  264.162757][ T3111]  ? copy_msghdr_from_user (net/socket.c:2619)
[  264.162762][ T3111]  __sys_sendmsg (net/socket.c:2799)
[  264.162764][ T3111]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  264.162767][ T3111]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  264.162769][ T3111]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  264.162770][ T3111]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  264.162773][ T3111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  264.162775][ T3111] RIP: 0033:0x7fb80f68554e
[  264.162777][ T3111] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  264.162778][ T3111] RSP: 002b:00007ffed06f71c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  264.162782][ T3111] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb80f68554e
[  264.162784][ T3111] RDX: 0000000000000000 RSI: 00007ffed06f7270 RDI: 0000000000000005
[  264.162785][ T3111] RBP: 00007ffed06f71d0 R08: 0000000000000000 R09: 0000000000000000
[  264.162786][ T3111] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91522f


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__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
br_add_if: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
br_stp_disable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars