======================================
| [    9.375822][  T186] softirqs last disabled at (39883): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.375825][  T186] Preemption disabled at:
| [    9.375825][  T186] 0x0
| [    9.375835][  T186] Tainted: [W]=WARN
[    9.375836][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.375838][  T186] Call Trace:
[    9.375839][  T186]  <TASK>
[    9.375841][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.375848][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.375854][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.375860][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    9.375866][  T186]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    9.375869][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.375875][  T186]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.375877][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.375880][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.375883][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.375885][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.375890][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.375895][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.375903][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.375905][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.375908][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.375912][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.375916][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.375918][  T186]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[    9.375921][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.375924][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.375928][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.375932][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.375934][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.375939][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.375942][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.375944][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.375946][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.375950][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.375952][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.375956][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.375959][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.375963][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.375967][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.375971][  T186]  ? snapshot_read.cold (user.c:?)
[    9.375974][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.375976][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.375980][  T186]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[    9.375983][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.375987][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.375989][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.375992][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.375996][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.375999][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.376001][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.376003][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.376007][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.376010][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.376012][  T186] RIP: 0033:0x7fdc877f11b8
[    9.376014][  T186] Code: Unable to access opcode bytes at 0x7fdc877f118e.

Code starting with the faulting instruction
===========================================
[    9.376016][  T186] RSP: 002b:00007ffc9975ffe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.376018][  T186] RAX: ffffffffffffffda RBX: 00007fdc87921f88 RCX: 00007fdc877f11b8
[    9.376020][  T186] RDX: 00007fdc8753bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.376020][  T186] RBP: 00007ffc99760040 R08: 0000000000000000 R09: 0000000000008010
[    9.376021][  T186] R10: 00007ffc9975fe00 R11: 0000000000000246 R12: 0000000000000001
[    9.376022][  T186] R13: 0000000000000000 R14: 00007fdc87920680 R15: 00007fdc87921fa0
| [   10.460038][  T247] softirqs last disabled at (17399): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.460041][  T247] Preemption disabled at:
| [   10.460041][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.460051][  T247] Tainted: [W]=WARN
[   10.460052][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.460053][  T247] Call Trace:
[   10.460055][  T247]  <TASK>
[   10.460056][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.460062][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.460064][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.460069][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.460073][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.460079][  T247]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.460081][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.460087][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.460090][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.460093][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   10.460095][  T247]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   10.460097][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.460100][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.460104][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.460108][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.460111][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.460112][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.460117][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.460118][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   10.460122][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.460125][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.460129][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.460133][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.460134][  T247]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.460138][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.460140][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.460144][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.460148][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.460150][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.460156][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.460158][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.460160][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.460163][  T247]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.460167][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.460168][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.460172][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.460176][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.460182][  T247]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   10.460185][  T247]  _printk (kernel/printk/printk.c:2504)
[   10.460189][  T247]  ? snapshot_read.cold (user.c:?)
[   10.460195][  T247]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.460198][  T247] gact_init_module (net/sched/act_gact.c:180) act_gact
[   10.460201][  T247]  do_one_initcall (init/main.c:1357)
[   10.460203][  T247]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.460208][  T247]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.460211][  T247]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.460216][  T247]  do_init_module (kernel/module/main.c:3117)
[   10.460220][  T247]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.460224][  T247]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.460227][  T247]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.460231][  T247]  load_module (kernel/module/main.c:3593)
[   10.460239][  T247]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.460243][  T247]  ? __ia32_sys_fsconfig (??:?)
[   10.460246][  T247]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.460250][  T247]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.460253][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.460257][  T247]  init_module_from_file (kernel/module/main.c:3790)
[   10.460261][  T247]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.460269][  T247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.460272][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.460276][  T247]  idempotent_init_module (kernel/module/main.c:3802)
[   10.460279][  T247]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.460285][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.460288][  T247]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.460294][  T247]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.460296][  T247]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.460300][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.460302][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.460305][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.460307][  T247] RIP: 0033:0x7f2d76ae537d
[   10.460310][  T247] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.460312][  T247] RSP: 002b:00007ffd96003348 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.460315][  T247] RAX: ffffffffffffffda RBX: 0000560d4675b810 RCX: 00007f2d76ae537d
[   10.460316][  T247] RDX: 0000000000000000 RSI: 0000560d0c65cffd RDI: 0000000000000000
[   10.460317][  T247] RBP: 00007ffd960033e0 R08: 0000000000000000 R09: 0000000000000000
[   10.460318][  T247] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560d0c65cffd
[   10.460319][  T247] R13: 0000560d4675b960 R14: 0000000000040000 R15: 0000000000000000
| [   16.830856][  T350] softirqs last disabled at (22286): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.830860][  T350] Preemption disabled at:
| [   16.830861][  T350] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.830870][  T350] Tainted: [W]=WARN
[   16.830871][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.830873][  T350] Call Trace:
[   16.830875][  T350]  <TASK>
[   16.830876][  T350]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.830882][  T350]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.830885][  T350]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.830890][  T350]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.830894][  T350]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.830901][  T350]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.830904][  T350]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.830909][  T350]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.830912][  T350]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.830915][  T350]  put_chars (drivers/char/virtio_console.c:1176)
[   16.830917][  T350]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.830919][  T350]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.830922][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.830927][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.830929][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.830933][  T350]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.830936][  T350]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.830938][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.830940][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.830943][  T350]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.830945][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.830949][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.830951][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.830955][  T350]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.830959][  T350]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.830961][  T350]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   16.830964][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.830967][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.830970][  T350]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.830975][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.830976][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.830981][  T350]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.830984][  T350]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.830986][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.830988][  T350]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.830992][  T350]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.830994][  T350]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.830997][  T350]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.831001][  T350]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.831004][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.831007][  T350]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.831010][  T350]  _printk (kernel/printk/printk.c:2504)
[   16.831014][  T350]  ? snapshot_read.cold (user.c:?)
[   16.831018][  T350]  ? br_multicast_flood (??:?) bridge
[   16.831031][  T350]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.831032][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.831034][  T350]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.831038][  T350] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.831048][  T350] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.831057][  T350] new_nbp (net/bridge/br_if.c:449) bridge
[   16.831067][  T350] br_add_if (net/bridge/br_if.c:592) bridge
[   16.831074][  T350]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.831078][  T350]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.831081][  T350]  ? __kernel_text_address (kernel/extable.c:79)
[   16.831085][  T350]  do_set_master (net/core/rtnetlink.c:3071)
[   16.831090][  T350]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.831093][  T350]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.831096][  T350]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.831098][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.831099][  T350]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.831103][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.831106][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.831108][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.831110][  T350]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.831113][  T350]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.831115][  T350]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.831118][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.831120][  T350]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.831123][  T350]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.831127][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.831129][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.831132][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.831134][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.831136][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.831137][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.831140][  T350]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.831144][  T350]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.831147][  T350]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.831149][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.831152][  T350]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.831154][  T350]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.831159][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.831164][  T350]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.831169][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.831171][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.831175][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.831177][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.831180][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.831181][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.831185][  T350]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.831187][  T350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.831190][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.831191][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.831196][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.831198][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.831201][  T350]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.831203][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.831206][  T350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.831212][  T350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.831213][  T350]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.831218][  T350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.831221][  T350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.831224][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.831228][  T350]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.831232][  T350]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.831236][  T350]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.831241][  T350]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.831244][  T350]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.831246][  T350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.831248][  T350]  ? move_addr_to_kernel (net/socket.c:258)
[   16.831255][  T350]  ___sys_sendmsg (net/socket.c:2767)
[   16.831258][  T350]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.831274][  T350]  __sys_sendmsg (net/socket.c:2799)
[   16.831277][  T350]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.831283][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.831286][  T350]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.831289][  T350]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.831292][  T350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.831294][  T350] RIP: 0033:0x7fd2c1b9154e
[   16.831298][  T350] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.831300][  T350] RSP: 002b:00007ffc79089000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.831302][  T350] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd2c1b9154e
[   16.831304][  T350] RDX: 0000000000000000 RSI: 00007ffc790890b0 RDI: 0000000000000005
[   16.831305][  T350] RBP: 00007ffc79089010 R08: 0000000000000000 R09: 0000000000000000
[   16.831306][  T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff15
[   16.831306][  T350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc79089770
| [   26.497322][    C2] softirqs last disabled at (10521): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.497323][    C2] Preemption disabled at:
| [   26.497324][    C2] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
| [   26.497332][    C2] Tainted: [W]=WARN
[   26.497333][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.497335][    C2] Call Trace:
[   26.497337][    C2]  <IRQ>
[   26.497338][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.497344][    C2]  ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1))
[   26.497345][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.497349][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.497352][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.497355][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497359][    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))
[   26.497362][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.497365][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.497369][    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)
[   26.497370][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.497372][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   26.497375][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.497376][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.497380][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.497383][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.497385][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497386][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.497389][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.497391][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.497393][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497395][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497397][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.497399][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.497400][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.497403][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.497405][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.497407][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.497409][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.497410][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497412][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.497413][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.497415][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.497418][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.497420][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.497422][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.497424][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497426][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.497428][    C2]  _printk (kernel/printk/printk.c:2504)
[   26.497431][    C2]  ? snapshot_read.cold (user.c:?)
[   26.497433][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   26.497437][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.497439][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.497441][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.497444][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.497447][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.497449][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.497450][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.497453][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.497454][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.497467][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497469][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.497471][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.497477][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.497479][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.497485][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.497492][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.497498][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.497502][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.497503][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.497507][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.497509][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.497511][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.497513][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.497515][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.497521][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.497523][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.497526][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.497528][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.497530][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.497532][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497534][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.497536][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.497538][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.497540][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.497541][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.497543][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.497545][    C2]  </IRQ>
[   26.497546][    C2]  <TASK>
[   26.497547][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.497549][    C2] RIP: 0010:unwind_next_frame (arch/x86/kernel/unwind_orc.c:536)
[   26.497552][    C2] Code: 89 c7 48 c1 ef 03 0f b6 14 17 4c 89 c7 83 e7 07 40 38 fe 40 0f 9e c7 40 84 f6 40 0f 95 c6 40 84 f7 0f 85 69 0c 00 00 83 e0 07 <38> c2 40 0f 9e c6 84 d2 0f 95 c0 40 84 c6 0f 85 52 0c 00 00 49 0f
All code
========
   0:	89 c7                	mov    %eax,%edi
   2:	48 c1 ef 03          	shr    $0x3,%rdi
   6:	0f b6 14 17          	movzbl (%rdi,%rdx,1),%edx
   a:	4c 89 c7             	mov    %r8,%rdi
   d:	83 e7 07             	and    $0x7,%edi
  10:	40 38 fe             	cmp    %dil,%sil
  13:	40 0f 9e c7          	setle  %dil
  17:	40 84 f6             	test   %sil,%sil
  1a:	40 0f 95 c6          	setne  %sil
  1e:	40 84 f7             	test   %sil,%dil
  21:	0f 85 69 0c 00 00    	jne    0xc90
  27:	83 e0 07             	and    $0x7,%eax
  2a:*	38 c2                	cmp    %al,%dl		<-- trapping instruction
  2c:	40 0f 9e c6          	setle  %sil
  30:	84 d2                	test   %dl,%dl
  32:	0f 95 c0             	setne  %al
  35:	40 84 c6             	test   %al,%sil
  38:	0f 85 52 0c 00 00    	jne    0xc90
  3e:	49                   	rex.WB
  3f:	0f                   	.byte 0xf

Code starting with the faulting instruction
===========================================
   0:	38 c2                	cmp    %al,%dl
   2:	40 0f 9e c6          	setle  %sil
   6:	84 d2                	test   %dl,%dl
   8:	0f 95 c0             	setne  %al
   b:	40 84 c6             	test   %al,%sil
   e:	0f 85 52 0c 00 00    	jne    0xc66
  14:	49                   	rex.WB
  15:	0f                   	.byte 0xf
[   26.497554][    C2] RSP: 0018:ffa00000040eec48 EFLAGS: 00000206
[   26.497557][    C2] RAX: 0000000000000003 RBX: 1ff400000081dd92 RCX: ffa00000040eff38
[   26.497559][    C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[   26.497560][    C2] RBP: 0000000000000001 R08: ffffffffb319ab4a R09: ffffffffb2eb8f08
[   26.497561][    C2] R10: ffffffffb319ab4e R11: 0000000000000000 R12: ffa00000040eeda0
[   26.497561][    C2] R13: ffa00000040eed48 R14: ff1100000a0746c0 R15: 0000000000000000
[   26.497564][    C2]  ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:217 arch/x86/kernel/unwind_orc.c:510)
[   26.497565][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.497568][    C2]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   26.497569][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.497571][    C2]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   26.497572][    C2]  ? write_profile (profile.c:?)
[   26.497574][    C2]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.497577][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.497578][    C2]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.497580][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   26.497582][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.497584][    C2]  kasan_save_stack (mm/kasan/common.c:57)
[   26.497587][    C2]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.497588][    C2]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.497590][    C2]  ? __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   26.497591][    C2]  ? kmem_cache_alloc_from_sheaf_noprof (./include/linux/kasan.h:253 (discriminator 32768) mm/slub.c:4683 (discriminator 32768) mm/slub.c:5325 (discriminator 32768))
[   26.497593][    C2]  ? mas_wr_split (lib/maple_tree.c:1062 (discriminator 7) lib/maple_tree.c:2418 (discriminator 7) lib/maple_tree.c:2671 (discriminator 7) lib/maple_tree.c:3475 (discriminator 7) lib/maple_tree.c:3537 (discriminator 7))
[   26.497596][    C2]  ? mas_store_prealloc (lib/maple_tree.c:5031)
[   26.497597][    C2]  ? __mmap_new_vma (mm/vma.h:704 mm/vma.h:711 mm/vma.c:2687)
[   26.497600][    C2]  ? __mmap_region (mm/vma.c:2879)
[   26.497601][    C2]  ? mmap_region (mm/vma.c:2964)
[   26.497603][    C2]  ? do_mmap (mm/mmap.c:573)
[   26.497605][    C2]  ? vm_mmap_pgoff (mm/util.c:581)
[   26.497608][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.497613][    C2]  kasan_save_track (mm/kasan/common.c:78)
[   26.497614][    C2]  __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   26.497616][    C2]  ? node_finalise (lib/maple_tree.c:2056 (discriminator 1))
[   26.497618][    C2]  kmem_cache_alloc_from_sheaf_noprof (./include/linux/kasan.h:253 (discriminator 32768) mm/slub.c:4683 (discriminator 32768) mm/slub.c:5325 (discriminator 32768))
[   26.497620][    C2]  mas_wr_split (lib/maple_tree.c:1062 (discriminator 7) lib/maple_tree.c:2418 (discriminator 7) lib/maple_tree.c:2671 (discriminator 7) lib/maple_tree.c:3475 (discriminator 7) lib/maple_tree.c:3537 (discriminator 7))
[   26.497623][    C2]  ? kernel_text_address (kernel/extable.c:133)
[   26.497625][    C2]  ? write_profile (profile.c:?)
[   26.497626][    C2]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.497628][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   26.497630][    C2]  ? mas_wmb_replace (lib/maple_tree.c:663 (discriminator 1))
[   26.497633][    C2]  ? kmem_cache_prefill_sheaf (mm/slub.c:5133)
[   26.497638][    C2]  ? __kmem_cache_alloc_bulk (mm/slub.c:7439)
[   26.497639][    C2]  ? kmem_cache_prefill_sheaf (mm/slub.c:5133)
[   26.497641][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497643][    C2]  mas_store_prealloc (lib/maple_tree.c:5031)
[   26.497645][    C2]  ? lock_next_vma_under_mmap_lock (./include/linux/mmap_lock.h:242)
[   26.497648][    C2]  ? mas_store (lib/maple_tree.c:1097)
[   26.497650][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   26.497653][    C2]  ? __vma_start_exclude_readers (mm/mmap_lock.c:126 (discriminator 38))
[   26.497655][    C2]  __mmap_new_vma (mm/vma.h:704 mm/vma.h:711 mm/vma.c:2687)
[   26.497658][    C2]  ? __mmap_new_file_vma (./include/linux/maple_tree.h:627)
[   26.497659][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.497661][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.497663][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497665][    C2]  __mmap_region (mm/vma.c:2879)
[   26.497667][    C2]  ? vma_merge_new_range (./include/linux/mm.h:4474)
[   26.497669][    C2]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   26.497670][    C2]  ? rmqueue_pcplist (mm/page_alloc.c:3392 (discriminator 2))
[   26.497673][    C2]  ? mas_rev_awalk (./include/linux/lockdep.h:249 lib/maple_tree.c:670 lib/maple_tree.c:676 lib/maple_tree.c:709 lib/maple_tree.c:4329)
[   26.497678][    C2]  ? unmapped_area_topdown (./include/linux/mm.h:1688 mm/vma.c:3163)
[   26.497684][    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)
[   26.497686][    C2]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   26.497688][    C2]  mmap_region (mm/vma.c:2964)
[   26.497690][    C2]  ? mm_take_all_locks (mm/vma.c:2365)
[   26.497692][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.497695][    C2]  ? __get_unmapped_area (./include/linux/security.h:1188 mm/mmap.c:877)
[   26.497697][    C2]  do_mmap (mm/mmap.c:573)
[   26.497699][    C2]  ? __ia32_sys_brk (mm/mmap.c:117)
[   26.497701][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497702][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.497704][    C2]  ? down_write_killable (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4457 kernel/locking/rwsem.c:268 kernel/locking/rwsem.c:1346 kernel/locking/rwsem.c:1361 kernel/locking/rwsem.c:1645)
[   26.497706][    C2]  ? down_write (kernel/locking/rwsem.c:1633)
[   26.497708][    C2]  vm_mmap_pgoff (mm/util.c:581)
[   26.497710][    C2]  ? randomize_page (mm/util.c:387)
[   26.497712][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497713][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.497715][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.497717][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.497718][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.497720][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.497722][    C2] RIP: 0033:0x7fb2d125d91c
[   26.497724][    C2] Code: 1e fa 41 f7 c1 ff 0f 00 00 75 33 55 48 89 e5 41 54 41 89 cc 53 48 89 fb 48 85 ff 74 51 45 89 e2 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 24 5b 41 5c 5d c3 0f 1f 80 00 00 00 00 c7 05
All code
========
   0:	1e                   	(bad)
   1:	fa                   	cli
   2:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   9:	75 33                	jne    0x3e
   b:	55                   	push   %rbp
   c:	48 89 e5             	mov    %rsp,%rbp
   f:	41 54                	push   %r12
  11:	41 89 cc             	mov    %ecx,%r12d
  14:	53                   	push   %rbx
  15:	48 89 fb             	mov    %rdi,%rbx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 51                	je     0x6e
  1d:	45 89 e2             	mov    %r12d,%r10d
  20:	48 89 df             	mov    %rbx,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 24                	ja     0x56
  32:	5b                   	pop    %rbx
  33:	41 5c                	pop    %r12
  35:	5d                   	pop    %rbp
  36:	c3                   	ret
  37:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3e:	c7                   	.byte 0xc7
  3f:	05                   	.byte 0x5

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 24                	ja     0x2c
   8:	5b                   	pop    %rbx
   9:	41 5c                	pop    %r12
   b:	5d                   	pop    %rbp
   c:	c3                   	ret
   d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  14:	c7                   	.byte 0xc7
  15:	05                   	.byte 0x5
[   26.497725][    C2] RSP: 002b:00007ffcf53c4010 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[   26.497726][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb2d125d91c
[   26.497727][    C2] RDX: 0000000000000003 RSI: 0000000000002000 RDI: 0000000000000000
[   26.497728][    C2] RBP: 00007ffcf53c4020 R08: 00000000ffffffff R09: 0000000000000000
[   26.497729][    C2] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000022
[   26.497730][    C2] R13: 0000000000000000 R14: 00000000000000a0 R15: 00007fb2d1272da0
| [   26.577702][    C2]
| [   26.577777][    C2]
| [   26.577777][    C2] stack backtrace:
| [   26.578033][    C2] Tainted: [W]=WARN
[   26.578033][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.578034][    C2] Call Trace:
[   26.578035][    C2]  <IRQ>
[   26.578036][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.578039][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.578042][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.578045][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.578047][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.578049][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.578051][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.578052][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.578059][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.578062][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.578064][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.578070][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.578072][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.578078][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.578084][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.578091][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.578093][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.578095][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.578097][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.578099][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.578101][    C2]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   26.578103][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.578105][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.578112][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.578113][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.578116][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.578118][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.578120][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.578122][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.578124][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.578126][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.578128][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.578130][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.578131][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.578133][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.578135][    C2]  </IRQ>
[   26.578135][    C2]  <TASK>
[   26.578136][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.578137][    C2] RIP: 0010:unwind_next_frame (arch/x86/kernel/unwind_orc.c:536)
[   26.578139][    C2] Code: 89 c7 48 c1 ef 03 0f b6 14 17 4c 89 c7 83 e7 07 40 38 fe 40 0f 9e c7 40 84 f6 40 0f 95 c6 40 84 f7 0f 85 69 0c 00 00 83 e0 07 <38> c2 40 0f 9e c6 84 d2 0f 95 c0 40 84 c6 0f 85 52 0c 00 00 49 0f
All code
========
   0:	89 c7                	mov    %eax,%edi
   2:	48 c1 ef 03          	shr    $0x3,%rdi
   6:	0f b6 14 17          	movzbl (%rdi,%rdx,1),%edx
   a:	4c 89 c7             	mov    %r8,%rdi
   d:	83 e7 07             	and    $0x7,%edi
  10:	40 38 fe             	cmp    %dil,%sil
  13:	40 0f 9e c7          	setle  %dil
  17:	40 84 f6             	test   %sil,%sil
  1a:	40 0f 95 c6          	setne  %sil
  1e:	40 84 f7             	test   %sil,%dil
  21:	0f 85 69 0c 00 00    	jne    0xc90
  27:	83 e0 07             	and    $0x7,%eax
  2a:*	38 c2                	cmp    %al,%dl		<-- trapping instruction
  2c:	40 0f 9e c6          	setle  %sil
  30:	84 d2                	test   %dl,%dl
  32:	0f 95 c0             	setne  %al
  35:	40 84 c6             	test   %al,%sil
  38:	0f 85 52 0c 00 00    	jne    0xc90
  3e:	49                   	rex.WB
  3f:	0f                   	.byte 0xf

Code starting with the faulting instruction
===========================================
   0:	38 c2                	cmp    %al,%dl
   2:	40 0f 9e c6          	setle  %sil
   6:	84 d2                	test   %dl,%dl
   8:	0f 95 c0             	setne  %al
   b:	40 84 c6             	test   %al,%sil
   e:	0f 85 52 0c 00 00    	jne    0xc66
  14:	49                   	rex.WB
  15:	0f                   	.byte 0xf
[   26.578141][    C2] RSP: 0018:ffa00000040eec48 EFLAGS: 00000206
[   26.578142][    C2] RAX: 0000000000000003 RBX: 1ff400000081dd92 RCX: ffa00000040eff38
[   26.578143][    C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[   26.578144][    C2] RBP: 0000000000000001 R08: ffffffffb319ab4a R09: ffffffffb2eb8f08
[   26.578145][    C2] R10: ffffffffb319ab4e R11: 0000000000000000 R12: ffa00000040eeda0
[   26.578146][    C2] R13: ffa00000040eed48 R14: ff1100000a0746c0 R15: 0000000000000000
[   26.578148][    C2]  ? unwind_next_frame (arch/x86/kernel/unwind_orc.c:217 arch/x86/kernel/unwind_orc.c:510)
[   26.578149][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.578151][    C2]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[   26.578152][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.578154][    C2]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[   26.578155][    C2]  ? write_profile (profile.c:?)
[   26.578157][    C2]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.578160][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.578161][    C2]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.578163][    C2]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   26.578165][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.578167][    C2]  kasan_save_stack (mm/kasan/common.c:57)
[   26.578169][    C2]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.578170][    C2]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.578171][    C2]  ? __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   26.578173][    C2]  ? kmem_cache_alloc_from_sheaf_noprof (./include/linux/kasan.h:253 (discriminator 32768) mm/slub.c:4683 (discriminator 32768) mm/slub.c:5325 (discriminator 32768))
[   26.578174][    C2]  ? mas_wr_split (lib/maple_tree.c:1062 (discriminator 7) lib/maple_tree.c:2418 (discriminator 7) lib/maple_tree.c:2671 (discriminator 7) lib/maple_tree.c:3475 (discriminator 7) lib/maple_tree.c:3537 (discriminator 7))
[   26.578176][    C2]  ? mas_store_prealloc (lib/maple_tree.c:5031)
[   26.578178][    C2]  ? __mmap_new_vma (mm/vma.h:704 mm/vma.h:711 mm/vma.c:2687)
[   26.578179][    C2]  ? __mmap_region (mm/vma.c:2879)
[   26.578181][    C2]  ? mmap_region (mm/vma.c:2964)
[   26.578182][    C2]  ? do_mmap (mm/mmap.c:573)
[   26.578184][    C2]  ? vm_mmap_pgoff (mm/util.c:581)
[   26.578185][    C2]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.578189][    C2]  kasan_save_track (mm/kasan/common.c:78)
[   26.578191][    C2]  __kasan_slab_alloc (mm/kasan/common.c:340 mm/kasan/common.c:366)
[   26.578193][    C2]  ? node_finalise (lib/maple_tree.c:2056 (discriminator 1))
[   26.578195][    C2]  kmem_cache_alloc_from_sheaf_noprof (./include/linux/kasan.h:253 (discriminator 32768) mm/slub.c:4683 (discriminator 32768) mm/slub.c:5325 (discriminator 32768))
[   26.578197][    C2]  mas_wr_split (lib/maple_tree.c:1062 (discriminator 7) lib/maple_tree.c:2418 (discriminator 7) lib/maple_tree.c:2671 (discriminator 7) lib/maple_tree.c:3475 (discriminator 7) lib/maple_tree.c:3537 (discriminator 7))
[   26.578200][    C2]  ? kernel_text_address (kernel/extable.c:133)
[   26.578201][    C2]  ? write_profile (profile.c:?)
[   26.578202][    C2]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.578204][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   26.578206][    C2]  ? mas_wmb_replace (lib/maple_tree.c:663 (discriminator 1))
[   26.578209][    C2]  ? kmem_cache_prefill_sheaf (mm/slub.c:5133)
[   26.578213][    C2]  ? __kmem_cache_alloc_bulk (mm/slub.c:7439)
[   26.578215][    C2]  ? kmem_cache_prefill_sheaf (mm/slub.c:5133)
[   26.578217][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.578219][    C2]  mas_store_prealloc (lib/maple_tree.c:5031)
[   26.578221][    C2]  ? lock_next_vma_under_mmap_lock (./include/linux/mmap_lock.h:242)
[   26.578223][    C2]  ? mas_store (lib/maple_tree.c:1097)
[   26.578225][    C2]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   26.578227][    C2]  ? __vma_start_exclude_readers (mm/mmap_lock.c:126 (discriminator 38))
[   26.578230][    C2]  __mmap_new_vma (mm/vma.h:704 mm/vma.h:711 mm/vma.c:2687)
[   26.578232][    C2]  ? __mmap_new_file_vma (./include/linux/maple_tree.h:627)
[   26.578234][    C2]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.578236][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.578237][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.578240][    C2]  __mmap_region (mm/vma.c:2879)
[   26.578242][    C2]  ? vma_merge_new_range (./include/linux/mm.h:4474)
[   26.578243][    C2]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   26.578245][    C2]  ? rmqueue_pcplist (mm/page_alloc.c:3392 (discriminator 2))
[   26.578247][    C2]  ? mas_rev_awalk (./include/linux/lockdep.h:249 lib/maple_tree.c:670 lib/maple_tree.c:676 lib/maple_tree.c:709 lib/maple_tree.c:4329)
[   26.578253][    C2]  ? unmapped_area_topdown (./include/linux/mm.h:1688 mm/vma.c:3163)
[   26.578258][    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)
[   26.578260][    C2]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   26.578262][    C2]  mmap_region (mm/vma.c:2964)
[   26.578264][    C2]  ? mm_take_all_locks (mm/vma.c:2365)
[   26.578266][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.578269][    C2]  ? __get_unmapped_area (./include/linux/security.h:1188 mm/mmap.c:877)
[   26.578271][    C2]  do_mmap (mm/mmap.c:573)
[   26.578273][    C2]  ? __ia32_sys_brk (mm/mmap.c:117)
[   26.578275][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.578276][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.578278][    C2]  ? down_write_killable (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4457 kernel/locking/rwsem.c:268 kernel/locking/rwsem.c:1346 kernel/locking/rwsem.c:1361 kernel/locking/rwsem.c:1645)
[   26.578280][    C2]  ? down_write (kernel/locking/rwsem.c:1633)
[   26.578282][    C2]  vm_mmap_pgoff (mm/util.c:581)
[   26.578284][    C2]  ? randomize_page (mm/util.c:387)
[   26.578285][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.578287][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.578289][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.578291][    C2]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.578292][    C2]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.578294][    C2]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.578295][    C2] RIP: 0033:0x7fb2d125d91c
[   26.578297][    C2] Code: 1e fa 41 f7 c1 ff 0f 00 00 75 33 55 48 89 e5 41 54 41 89 cc 53 48 89 fb 48 85 ff 74 51 45 89 e2 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 24 5b 41 5c 5d c3 0f 1f 80 00 00 00 00 c7 05
All code
========
   0:	1e                   	(bad)
   1:	fa                   	cli
   2:	41 f7 c1 ff 0f 00 00 	test   $0xfff,%r9d
   9:	75 33                	jne    0x3e
   b:	55                   	push   %rbp
   c:	48 89 e5             	mov    %rsp,%rbp
   f:	41 54                	push   %r12
  11:	41 89 cc             	mov    %ecx,%r12d
  14:	53                   	push   %rbx
  15:	48 89 fb             	mov    %rdi,%rbx
  18:	48 85 ff             	test   %rdi,%rdi
  1b:	74 51                	je     0x6e
  1d:	45 89 e2             	mov    %r12d,%r10d
  20:	48 89 df             	mov    %rbx,%rdi
  23:	b8 09 00 00 00       	mov    $0x9,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 24                	ja     0x56
  32:	5b                   	pop    %rbx
  33:	41 5c                	pop    %r12
  35:	5d                   	pop    %rbp
  36:	c3                   	ret
  37:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  3e:	c7                   	.byte 0xc7
  3f:	05                   	.byte 0x5

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 24                	ja     0x2c
   8:	5b                   	pop    %rbx
   9:	41 5c                	pop    %r12
   b:	5d                   	pop    %rbp
   c:	c3                   	ret
   d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  14:	c7                   	.byte 0xc7
  15:	05                   	.byte 0x5
[   26.578297][    C2] RSP: 002b:00007ffcf53c4010 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[   26.578299][    C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb2d125d91c
[   26.578300][    C2] RDX: 0000000000000003 RSI: 0000000000002000 RDI: 0000000000000000
[   26.578300][    C2] RBP: 00007ffcf53c4020 R08: 00000000ffffffff R09: 0000000000000000
[   26.578301][    C2] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000022
[   26.578302][    C2] R13: 0000000000000000 R14: 00000000000000a0 R15: 00007fb2d1272da0
| [   32.891469][ T2388] softirqs last disabled at (0): 0x0
| [   32.891471][ T2388] Preemption disabled at:
| [   32.891472][ T2388] vprintk_emit (kernel/printk/printk.c:2471)
| [   32.891482][ T2388] Tainted: [W]=WARN
[   32.891483][ T2388] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.891485][ T2388] Call Trace:
[   32.891487][ T2388]  <TASK>
[   32.891488][ T2388]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.891493][ T2388]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   32.891495][ T2388]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.891499][ T2388]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.891502][ T2388]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   32.891506][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891510][ T2388]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   32.891513][ T2388]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   32.891515][ T2388]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.891520][ T2388]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   32.891521][ T2388]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.891523][ T2388]  put_chars (drivers/char/virtio_console.c:1176)
[   32.891525][ T2388]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.891527][ T2388]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   32.891529][ T2388]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.891533][ T2388]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.891534][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891536][ T2388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.891538][ T2388]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.891541][ T2388]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.891543][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891544][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891546][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891548][ T2388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.891549][ T2388]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   32.891551][ T2388]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.891554][ T2388]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.891556][ T2388]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.891558][ T2388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.891560][ T2388]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.891561][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891563][ T2388]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.891564][ T2388]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.891566][ T2388]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   32.891568][ T2388]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.891570][ T2388]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.891572][ T2388]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.891574][ T2388]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.891576][ T2388]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.891579][ T2388]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.891582][ T2388]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.891583][ T2388]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.891586][ T2388]  ? ___sys_sendmsg (net/socket.c:2767)
[   32.891588][ T2388]  ? __sys_sendmsg (net/socket.c:2799)
[   32.891589][ T2388]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.891592][ T2388]  _printk (kernel/printk/printk.c:2504)
[   32.891596][ T2388]  ? snapshot_read.cold (user.c:?)
[   32.891598][ T2388]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   32.891601][ T2388]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   32.891603][ T2388]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   32.891605][ T2388]  ? netdev_notice (net/core/dev.c:13194)
[   32.891606][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891608][ T2388]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   32.891610][ T2388]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   32.891613][ T2388]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   32.891614][ T2388]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.891617][ T2388]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   32.891619][ T2388]  dev_set_allmulti (net/core/dev_api.c:315)
[   32.891622][ T2388] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   32.891635][ T2388]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   32.891638][ T2388]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   32.891641][ T2388] br_del_if (net/bridge/br_if.c:732) bridge
[   32.891648][ T2388]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.891651][ T2388]  do_set_master (net/core/rtnetlink.c:3055)
[   32.891653][ T2388]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   32.891656][ T2388]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.891659][ T2388]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.891660][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891662][ T2388]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   32.891666][ T2388]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.891668][ T2388]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.891670][ T2388]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.891671][ T2388]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   32.891673][ T2388]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   32.891674][ T2388]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   32.891675][ T2388]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.891677][ T2388]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.891678][ T2388]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.891679][ T2388]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.891681][ T2388]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.891682][ T2388]  ? ___sys_sendmsg (net/socket.c:2767)
[   32.891683][ T2388]  ? __sys_sendmsg (net/socket.c:2799)
[   32.891685][ T2388]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.891686][ T2388]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.891689][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891690][ T2388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.891692][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891694][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891696][ T2388]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.891698][ T2388]  ? __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)
[   32.891700][ T2388]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.891701][ T2388]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.891703][ T2388]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.891704][ T2388]  ? nla_get_range_signed (lib/nlattr.c:270)
[   32.891706][ T2388]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.891709][ T2388]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.891710][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891712][ T2388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.891713][ T2388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.891715][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891717][ T2388]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   32.891719][ T2388]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   32.891721][ T2388]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   32.891722][ T2388]  ? __kernel_text_address (kernel/extable.c:79)
[   32.891723][ T2388]  ? write_profile (profile.c:?)
[   32.891725][ T2388]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   32.891727][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891729][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891731][ T2388]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   32.891734][ T2388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.891736][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891738][ T2388]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.891739][ T2388]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.891741][ T2388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.891742][ T2388]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   32.891744][ T2388]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   32.891746][ T2388]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.891747][ T2388]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.891749][ T2388]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.891750][ T2388]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.891752][ T2388]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   32.891754][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891756][ T2388]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.891758][ T2388]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.891760][ T2388]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.891762][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891763][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891765][ T2388]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.891767][ T2388]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.891769][ T2388]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.891771][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891773][ T2388]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   32.891775][ T2388]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.891776][ T2388]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.891778][ T2388]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.891779][ T2388]  ? move_addr_to_kernel (net/socket.c:258)
[   32.891781][ T2388]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   32.891784][ T2388]  ___sys_sendmsg (net/socket.c:2767)
[   32.891785][ T2388]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.891790][ T2388]  __sys_sendmsg (net/socket.c:2799)
[   32.891792][ T2388]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.891795][ T2388]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.891797][ T2388]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.891798][ T2388]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.891800][ T2388]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.891802][ T2388] RIP: 0033:0x7faa4df0954e
[   32.891804][ T2388] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   32.891806][ T2388] RSP: 002b:00007fff35f66c10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.891809][ T2388] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faa4df0954e
[   32.891811][ T2388] RDX: 0000000000000000 RSI: 00007fff35f66cc0 RDI: 0000000000000005
[   32.891812][ T2388] RBP: 00007fff35f66c20 R08: 0000000000000000 R09: 0000000000000000
[   32.891813][ T2388] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff25
[   32.891814][ T2388] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff35f67380
| [   46.151200][ T4444] softirqs last disabled at (0): 0x0
| [   46.151202][ T4444] Preemption disabled at:
| [   46.151203][ T4444] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.151214][ T4444] Tainted: [W]=WARN
[   46.151215][ T4444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.151216][ T4444] Call Trace:
[   46.151218][ T4444]  <TASK>
[   46.151219][ T4444]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.151224][ T4444]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.151227][ T4444]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.151230][ T4444]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.151234][ T4444]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   46.151237][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151241][ T4444]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.151244][ T4444]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.151246][ T4444]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.151250][ T4444]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.151252][ T4444]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.151254][ T4444]  put_chars (drivers/char/virtio_console.c:1176)
[   46.151256][ T4444]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.151258][ T4444]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   46.151260][ T4444]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.151264][ T4444]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.151265][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151267][ T4444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.151269][ T4444]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.151272][ T4444]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.151274][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151275][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151277][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151279][ T4444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.151281][ T4444]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   46.151282][ T4444]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.151285][ T4444]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.151287][ T4444]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.151289][ T4444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.151291][ T4444]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.151292][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151294][ T4444]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.151295][ T4444]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.151297][ T4444]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   46.151299][ T4444]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.151301][ T4444]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.151303][ T4444]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.151306][ T4444]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.151307][ T4444]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.151311][ T4444]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.151313][ T4444]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.151314][ T4444]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.151317][ T4444]  ? ___sys_sendmsg (net/socket.c:2767)
[   46.151318][ T4444]  ? __sys_sendmsg (net/socket.c:2799)
[   46.151320][ T4444]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.151324][ T4444]  _printk (kernel/printk/printk.c:2504)
[   46.151327][ T4444]  ? snapshot_read.cold (user.c:?)
[   46.151329][ T4444]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.151332][ T4444]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.151334][ T4444]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.151336][ T4444]  ? netdev_notice (net/core/dev.c:13194)
[   46.151338][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151340][ T4444]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   46.151341][ T4444]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   46.151344][ T4444]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   46.151345][ T4444]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   46.151348][ T4444]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   46.151351][ T4444]  dev_set_allmulti (net/core/dev_api.c:315)
[   46.151354][ T4444] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   46.151366][ T4444]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   46.151370][ T4444]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.151373][ T4444] br_del_if (net/bridge/br_if.c:732) bridge
[   46.151380][ T4444]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.151382][ T4444]  do_set_master (net/core/rtnetlink.c:3055)
[   46.151385][ T4444]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   46.151387][ T4444]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   46.151390][ T4444]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   46.151391][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151393][ T4444]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.151397][ T4444]  ? kasan_save_stack (mm/kasan/common.c:58)
[   46.151399][ T4444]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.151401][ T4444]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.151402][ T4444]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   46.151404][ T4444]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   46.151406][ T4444]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   46.151407][ T4444]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.151408][ T4444]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.151409][ T4444]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.151411][ T4444]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.151412][ T4444]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.151413][ T4444]  ? ___sys_sendmsg (net/socket.c:2767)
[   46.151415][ T4444]  ? __sys_sendmsg (net/socket.c:2799)
[   46.151416][ T4444]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.151417][ T4444]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.151420][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151422][ T4444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.151423][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151425][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151427][ T4444]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   46.151429][ T4444]  ? __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)
[   46.151431][ T4444]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   46.151432][ T4444]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   46.151434][ T4444]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   46.151435][ T4444]  ? nla_get_range_signed (lib/nlattr.c:270)
[   46.151438][ T4444]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   46.151440][ T4444]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   46.151442][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151444][ T4444]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.151445][ T4444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.151446][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151449][ T4444]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   46.151450][ T4444]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   46.151452][ T4444]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   46.151453][ T4444]  ? __kernel_text_address (kernel/extable.c:79)
[   46.151455][ T4444]  ? write_profile (profile.c:?)
[   46.151456][ T4444]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.151458][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151460][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151462][ T4444]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   46.151465][ T4444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.151467][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151469][ T4444]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   46.151470][ T4444]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.151472][ T4444]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.151473][ T4444]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.151475][ T4444]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.151478][ T4444]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.151479][ T4444]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.151480][ T4444]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.151482][ T4444]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.151483][ T4444]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   46.151486][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151488][ T4444]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.151490][ T4444]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.151492][ T4444]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.151493][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151495][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151497][ T4444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.151499][ T4444]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.151501][ T4444]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.151503][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151505][ T4444]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.151506][ T4444]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.151508][ T4444]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.151510][ T4444]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.151512][ T4444]  ? move_addr_to_kernel (net/socket.c:258)
[   46.151513][ T4444]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.151516][ T4444]  ___sys_sendmsg (net/socket.c:2767)
[   46.151517][ T4444]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.151523][ T4444]  __sys_sendmsg (net/socket.c:2799)
[   46.151524][ T4444]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.151527][ T4444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.151529][ T4444]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.151531][ T4444]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.151533][ T4444]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.151534][ T4444] RIP: 0033:0x7f12c0a4c54e
[   46.151536][ T4444] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.151538][ T4444] RSP: 002b:00007ffcbb3a7a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.151542][ T4444] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f12c0a4c54e
[   46.151543][ T4444] RDX: 0000000000000000 RSI: 00007ffcbb3a7ad0 RDI: 0000000000000005
[   46.151544][ T4444] RBP: 00007ffcbb3a7a30 R08: 0000000000000000 R09: 0000000000000000
[   46.151545][ T4444] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff32
[   46.151546][ T4444] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbb3a8190
| [   59.372903][ T6509] softirqs last disabled at (0): 0x0
| [   59.372904][ T6509] Preemption disabled at:
| [   59.372905][ T6509] vprintk_emit (kernel/printk/printk.c:2471)
| [   59.372916][ T6509] Tainted: [W]=WARN
[   59.372917][ T6509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   59.372919][ T6509] Call Trace:
[   59.372920][ T6509]  <TASK>
[   59.372922][ T6509]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   59.372927][ T6509]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   59.372929][ T6509]  __might_resched.cold (kernel/sched/core.c:9234)
[   59.372933][ T6509]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   59.372936][ T6509]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   59.372939][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.372943][ T6509]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   59.372946][ T6509]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   59.372948][ T6509]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.372952][ T6509]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   59.372954][ T6509]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   59.372956][ T6509]  put_chars (drivers/char/virtio_console.c:1176)
[   59.372958][ T6509]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   59.372959][ T6509]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   59.372962][ T6509]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   59.372965][ T6509]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   59.372967][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.372968][ T6509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.372970][ T6509]  console_emit_next_record (kernel/printk/printk.c:3183)
[   59.372973][ T6509]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   59.372975][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.372982][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.372984][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.372985][ T6509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.372987][ T6509]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   59.372989][ T6509]  console_flush_one_record (kernel/printk/printk.c:3268)
[   59.372991][ T6509]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   59.372994][ T6509]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   59.372996][ T6509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.372997][ T6509]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   59.372999][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373000][ T6509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.373002][ T6509]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   59.373003][ T6509]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   59.373005][ T6509]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   59.373007][ T6509]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   59.373009][ T6509]  vprintk_emit (kernel/printk/printk.c:2479)
[   59.373012][ T6509]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   59.373013][ T6509]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.373016][ T6509]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.373019][ T6509]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.373020][ T6509]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.373023][ T6509]  ? ___sys_sendmsg (net/socket.c:2767)
[   59.373024][ T6509]  ? __sys_sendmsg (net/socket.c:2799)
[   59.373026][ T6509]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.373029][ T6509]  _printk (kernel/printk/printk.c:2504)
[   59.373033][ T6509]  ? snapshot_read.cold (user.c:?)
[   59.373035][ T6509]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   59.373038][ T6509]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   59.373039][ T6509]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   59.373041][ T6509]  ? netdev_notice (net/core/dev.c:13194)
[   59.373043][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373045][ T6509]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   59.373047][ T6509]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   59.373049][ T6509]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   59.373050][ T6509]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   59.373053][ T6509]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   59.373056][ T6509]  dev_set_allmulti (net/core/dev_api.c:315)
[   59.373058][ T6509] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   59.373070][ T6509]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   59.373074][ T6509]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   59.373076][ T6509] br_del_if (net/bridge/br_if.c:732) bridge
[   59.373084][ T6509]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   59.373086][ T6509]  do_set_master (net/core/rtnetlink.c:3055)
[   59.373088][ T6509]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   59.373091][ T6509]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   59.373094][ T6509]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   59.373095][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373097][ T6509]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   59.373101][ T6509]  ? kasan_save_stack (mm/kasan/common.c:58)
[   59.373103][ T6509]  ? kasan_save_stack (mm/kasan/common.c:57)
[   59.373104][ T6509]  ? kasan_save_track (mm/kasan/common.c:78)
[   59.373106][ T6509]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   59.373107][ T6509]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   59.373109][ T6509]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   59.373110][ T6509]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.373111][ T6509]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.373113][ T6509]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.373114][ T6509]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.373115][ T6509]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.373117][ T6509]  ? ___sys_sendmsg (net/socket.c:2767)
[   59.373118][ T6509]  ? __sys_sendmsg (net/socket.c:2799)
[   59.373119][ T6509]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.373121][ T6509]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.373123][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373125][ T6509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.373126][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373128][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373129][ T6509]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   59.373131][ T6509]  ? __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)
[   59.373133][ T6509]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   59.373135][ T6509]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   59.373136][ T6509]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   59.373137][ T6509]  ? nla_get_range_signed (lib/nlattr.c:270)
[   59.373140][ T6509]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   59.373142][ T6509]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   59.373144][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373146][ T6509]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.373147][ T6509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.373148][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373150][ T6509]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   59.373152][ T6509]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   59.373153][ T6509]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   59.373155][ T6509]  ? __kernel_text_address (kernel/extable.c:79)
[   59.373156][ T6509]  ? write_profile (profile.c:?)
[   59.373157][ T6509]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   59.373160][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373161][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373163][ T6509]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   59.373166][ T6509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.373168][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373169][ T6509]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   59.373171][ T6509]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   59.373172][ T6509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.373174][ T6509]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   59.373175][ T6509]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   59.373177][ T6509]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   59.373179][ T6509]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   59.373180][ T6509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.373182][ T6509]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   59.373183][ T6509]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   59.373185][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373187][ T6509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.373189][ T6509]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   59.373191][ T6509]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   59.373192][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373194][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373196][ T6509]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   59.373197][ T6509]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   59.373199][ T6509]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   59.373201][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373203][ T6509]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   59.373205][ T6509]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   59.373206][ T6509]  ? copy_msghdr_from_user (net/socket.c:2650)
[   59.373208][ T6509]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   59.373209][ T6509]  ? move_addr_to_kernel (net/socket.c:258)
[   59.373211][ T6509]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   59.373213][ T6509]  ___sys_sendmsg (net/socket.c:2767)
[   59.373215][ T6509]  ? copy_msghdr_from_user (net/socket.c:2619)
[   59.373220][ T6509]  __sys_sendmsg (net/socket.c:2799)
[   59.373222][ T6509]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   59.373224][ T6509]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   59.373226][ T6509]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   59.373227][ T6509]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   59.373230][ T6509]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   59.373231][ T6509] RIP: 0033:0x7f6f120f354e
[   59.373233][ T6509] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   59.373235][ T6509] RSP: 002b:00007ffedee2ada0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   59.373238][ T6509] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6f120f354e
[   59.373240][ T6509] RDX: 0000000000000000 RSI: 00007ffedee2ae50 RDI: 0000000000000005
[   59.373240][ T6509] RBP: 00007ffedee2adb0 R08: 0000000000000000 R09: 0000000000000000
[   59.373241][ T6509] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff3f
[   59.373242][ T6509] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedee2b510
| [   72.604643][ T8574] softirqs last disabled at (0): 0x0
| [   72.604645][ T8574] Preemption disabled at:
| [   72.604646][ T8574] vprintk_emit (kernel/printk/printk.c:2471)
| [   72.604656][ T8574] Tainted: [W]=WARN
[   72.604657][ T8574] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.604658][ T8574] Call Trace:
[   72.604660][ T8574]  <TASK>
[   72.604661][ T8574]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   72.604666][ T8574]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   72.604668][ T8574]  __might_resched.cold (kernel/sched/core.c:9234)
[   72.604672][ T8574]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   72.604675][ T8574]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   72.604678][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604681][ T8574]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   72.604684][ T8574]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   72.604687][ T8574]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.604691][ T8574]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   72.604692][ T8574]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   72.604694][ T8574]  put_chars (drivers/char/virtio_console.c:1176)
[   72.604696][ T8574]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   72.604698][ T8574]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   72.604700][ T8574]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   72.604703][ T8574]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   72.604705][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604706][ T8574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.604708][ T8574]  console_emit_next_record (kernel/printk/printk.c:3183)
[   72.604711][ T8574]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   72.604713][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604715][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604716][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604718][ T8574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.604720][ T8574]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   72.604721][ T8574]  console_flush_one_record (kernel/printk/printk.c:3268)
[   72.604724][ T8574]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   72.604726][ T8574]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   72.604728][ T8574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.604729][ T8574]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   72.604731][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604733][ T8574]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.604734][ T8574]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   72.604735][ T8574]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   72.604738][ T8574]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   72.604740][ T8574]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   72.604742][ T8574]  vprintk_emit (kernel/printk/printk.c:2479)
[   72.604744][ T8574]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   72.604746][ T8574]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.604749][ T8574]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.604751][ T8574]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.604753][ T8574]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.604755][ T8574]  ? ___sys_sendmsg (net/socket.c:2767)
[   72.604757][ T8574]  ? __sys_sendmsg (net/socket.c:2799)
[   72.604758][ T8574]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.604762][ T8574]  _printk (kernel/printk/printk.c:2504)
[   72.604765][ T8574]  ? snapshot_read.cold (user.c:?)
[   72.604767][ T8574]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   72.604770][ T8574]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   72.604772][ T8574]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   72.604774][ T8574]  ? netdev_notice (net/core/dev.c:13194)
[   72.604775][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604777][ T8574]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   72.604779][ T8574]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   72.604781][ T8574]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   72.604782][ T8574]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   72.604785][ T8574]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   72.604788][ T8574]  dev_set_allmulti (net/core/dev_api.c:315)
[   72.604790][ T8574] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   72.604802][ T8574]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   72.604806][ T8574]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   72.604808][ T8574] br_del_if (net/bridge/br_if.c:732) bridge
[   72.604816][ T8574]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   72.604818][ T8574]  do_set_master (net/core/rtnetlink.c:3055)
[   72.604820][ T8574]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   72.604823][ T8574]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   72.604825][ T8574]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   72.604827][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604828][ T8574]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.604832][ T8574]  ? kasan_save_stack (mm/kasan/common.c:58)
[   72.604834][ T8574]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.604836][ T8574]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.604838][ T8574]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.604839][ T8574]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   72.604841][ T8574]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   72.604842][ T8574]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.604843][ T8574]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.604844][ T8574]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.604846][ T8574]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.604847][ T8574]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.604848][ T8574]  ? ___sys_sendmsg (net/socket.c:2767)
[   72.604850][ T8574]  ? __sys_sendmsg (net/socket.c:2799)
[   72.604852][ T8574]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.604854][ T8574]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.604858][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604860][ T8574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.604862][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604865][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604867][ T8574]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   72.604869][ T8574]  ? __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)
[   72.604871][ T8574]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   72.604873][ T8574]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   72.604874][ T8574]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   72.604876][ T8574]  ? nla_get_range_signed (lib/nlattr.c:270)
[   72.604878][ T8574]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   72.604880][ T8574]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   72.604882][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604884][ T8574]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.604885][ T8574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.604886][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604888][ T8574]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   72.604890][ T8574]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   72.604892][ T8574]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   72.604893][ T8574]  ? __kernel_text_address (kernel/extable.c:79)
[   72.604894][ T8574]  ? write_profile (profile.c:?)
[   72.604895][ T8574]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   72.604900][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604902][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604903][ T8574]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   72.604907][ T8574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.604908][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604910][ T8574]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   72.604911][ T8574]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   72.604913][ T8574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.604914][ T8574]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.604916][ T8574]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   72.604918][ T8574]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   72.604920][ T8574]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.604921][ T8574]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.604923][ T8574]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.604924][ T8574]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   72.604926][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604928][ T8574]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.604930][ T8574]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.604932][ T8574]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.604934][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604935][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604937][ T8574]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   72.604939][ T8574]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   72.604941][ T8574]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   72.604943][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604944][ T8574]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   72.604946][ T8574]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   72.604948][ T8574]  ? copy_msghdr_from_user (net/socket.c:2650)
[   72.604950][ T8574]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   72.604951][ T8574]  ? move_addr_to_kernel (net/socket.c:258)
[   72.604952][ T8574]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   72.604955][ T8574]  ___sys_sendmsg (net/socket.c:2767)
[   72.604957][ T8574]  ? copy_msghdr_from_user (net/socket.c:2619)
[   72.604961][ T8574]  __sys_sendmsg (net/socket.c:2799)
[   72.604963][ T8574]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   72.604966][ T8574]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   72.604968][ T8574]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   72.604969][ T8574]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   72.604971][ T8574]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.604973][ T8574] RIP: 0033:0x7f729cf3a54e
[   72.604975][ T8574] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   72.604976][ T8574] RSP: 002b:00007fff1da14bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.604980][ T8574] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f729cf3a54e
[   72.604982][ T8574] RDX: 0000000000000000 RSI: 00007fff1da14c70 RDI: 0000000000000005
[   72.604983][ T8574] RBP: 00007fff1da14bd0 R08: 0000000000000000 R09: 0000000000000000
[   72.604983][ T8574] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff4d
[   72.604984][ T8574] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1da15330
| [   85.942321][T10639] softirqs last disabled at (0): 0x0
| [   85.942323][T10639] Preemption disabled at:
| [   85.942324][T10639] vprintk_emit (kernel/printk/printk.c:2471)
| [   85.942335][T10639] Tainted: [W]=WARN
[   85.942336][T10639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   85.942338][T10639] Call Trace:
[   85.942339][T10639]  <TASK>
[   85.942341][T10639]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   85.942346][T10639]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   85.942348][T10639]  __might_resched.cold (kernel/sched/core.c:9234)
[   85.942352][T10639]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   85.942355][T10639]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   85.942358][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942362][T10639]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   85.942365][T10639]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   85.942368][T10639]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.942372][T10639]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   85.942373][T10639]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   85.942375][T10639]  put_chars (drivers/char/virtio_console.c:1176)
[   85.942377][T10639]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   85.942379][T10639]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   85.942382][T10639]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   85.942385][T10639]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   85.942387][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942388][T10639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.942391][T10639]  console_emit_next_record (kernel/printk/printk.c:3183)
[   85.942393][T10639]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   85.942395][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942397][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942399][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942400][T10639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.942402][T10639]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   85.942404][T10639]  console_flush_one_record (kernel/printk/printk.c:3268)
[   85.942407][T10639]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   85.942409][T10639]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   85.942411][T10639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.942413][T10639]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   85.942414][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942416][T10639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.942417][T10639]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   85.942419][T10639]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   85.942421][T10639]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   85.942423][T10639]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   85.942425][T10639]  vprintk_emit (kernel/printk/printk.c:2479)
[   85.942427][T10639]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   85.942429][T10639]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.942433][T10639]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.942435][T10639]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.942437][T10639]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   85.942440][T10639]  ? ___sys_sendmsg (net/socket.c:2767)
[   85.942441][T10639]  ? __sys_sendmsg (net/socket.c:2799)
[   85.942443][T10639]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.942446][T10639]  _printk (kernel/printk/printk.c:2504)
[   85.942449][T10639]  ? snapshot_read.cold (user.c:?)
[   85.942452][T10639]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   85.942455][T10639]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   85.942456][T10639]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   85.942458][T10639]  ? netdev_notice (net/core/dev.c:13194)
[   85.942460][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942462][T10639]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   85.942463][T10639]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   85.942466][T10639]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   85.942467][T10639]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   85.942470][T10639]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   85.942473][T10639]  dev_set_allmulti (net/core/dev_api.c:315)
[   85.942476][T10639] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   85.942488][T10639]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   85.942491][T10639]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   85.942494][T10639] br_del_if (net/bridge/br_if.c:732) bridge
[   85.942501][T10639]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   85.942504][T10639]  do_set_master (net/core/rtnetlink.c:3055)
[   85.942506][T10639]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   85.942509][T10639]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   85.942512][T10639]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   85.942513][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942515][T10639]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   85.942518][T10639]  ? kasan_save_stack (mm/kasan/common.c:58)
[   85.942521][T10639]  ? kasan_save_stack (mm/kasan/common.c:57)
[   85.942522][T10639]  ? kasan_save_track (mm/kasan/common.c:78)
[   85.942524][T10639]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   85.942525][T10639]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   85.942527][T10639]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   85.942528][T10639]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.942529][T10639]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.942531][T10639]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.942532][T10639]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.942533][T10639]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   85.942535][T10639]  ? ___sys_sendmsg (net/socket.c:2767)
[   85.942536][T10639]  ? __sys_sendmsg (net/socket.c:2799)
[   85.942538][T10639]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.942539][T10639]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.942541][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942543][T10639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.942545][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942547][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942548][T10639]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   85.942551][T10639]  ? __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)
[   85.942553][T10639]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   85.942554][T10639]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   85.942556][T10639]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   85.942557][T10639]  ? nla_get_range_signed (lib/nlattr.c:270)
[   85.942559][T10639]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   85.942562][T10639]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   85.942564][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942565][T10639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.942567][T10639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.942568][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942570][T10639]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   85.942572][T10639]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   85.942574][T10639]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   85.942575][T10639]  ? __kernel_text_address (kernel/extable.c:79)
[   85.942576][T10639]  ? write_profile (profile.c:?)
[   85.942578][T10639]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   85.942580][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942582][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942583][T10639]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   85.942587][T10639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.942588][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942590][T10639]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   85.942592][T10639]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   85.942593][T10639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.942595][T10639]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   85.942596][T10639]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   85.942599][T10639]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   85.942600][T10639]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   85.942601][T10639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.942603][T10639]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   85.942604][T10639]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   85.942607][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942609][T10639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.942611][T10639]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   85.942613][T10639]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   85.942614][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942616][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942618][T10639]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   85.942620][T10639]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   85.942621][T10639]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   85.942623][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942625][T10639]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   85.942627][T10639]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   85.942629][T10639]  ? copy_msghdr_from_user (net/socket.c:2650)
[   85.942630][T10639]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   85.942632][T10639]  ? move_addr_to_kernel (net/socket.c:258)
[   85.942633][T10639]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   85.942636][T10639]  ___sys_sendmsg (net/socket.c:2767)
[   85.942638][T10639]  ? copy_msghdr_from_user (net/socket.c:2619)
[   85.942643][T10639]  __sys_sendmsg (net/socket.c:2799)
[   85.942645][T10639]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   85.942647][T10639]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   85.942649][T10639]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   85.942651][T10639]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   85.942653][T10639]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   85.942654][T10639] RIP: 0033:0x7f0281f2854e
[   85.942656][T10639] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   85.942658][T10639] RSP: 002b:00007ffce27f71e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   85.942662][T10639] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f0281f2854e
[   85.942663][T10639] RDX: 0000000000000000 RSI: 00007ffce27f7290 RDI: 0000000000000005
[   85.942664][T10639] RBP: 00007ffce27f71f0 R08: 0000000000000000 R09: 0000000000000000
[   85.942665][T10639] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff5a
[   85.942666][T10639] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce27f7950
| [   99.235961][T12704] softirqs last disabled at (0): 0x0
| [   99.235963][T12704] Preemption disabled at:
| [   99.235964][T12704] vprintk_emit (kernel/printk/printk.c:2471)
| [   99.235974][T12704] Tainted: [W]=WARN
[   99.235975][T12704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.235977][T12704] Call Trace:
[   99.235978][T12704]  <TASK>
[   99.235979][T12704]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   99.235984][T12704]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   99.235986][T12704]  __might_resched.cold (kernel/sched/core.c:9234)
[   99.235990][T12704]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   99.235993][T12704]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   99.235996][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236000][T12704]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   99.236003][T12704]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   99.236006][T12704]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.236010][T12704]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   99.236011][T12704]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   99.236013][T12704]  put_chars (drivers/char/virtio_console.c:1176)
[   99.236015][T12704]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   99.236017][T12704]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   99.236020][T12704]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   99.236023][T12704]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   99.236024][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236026][T12704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.236028][T12704]  console_emit_next_record (kernel/printk/printk.c:3183)
[   99.236031][T12704]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   99.236033][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236034][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236036][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236038][T12704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.236040][T12704]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   99.236042][T12704]  console_flush_one_record (kernel/printk/printk.c:3268)
[   99.236044][T12704]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   99.236047][T12704]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   99.236048][T12704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.236050][T12704]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   99.236052][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236053][T12704]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.236055][T12704]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   99.236056][T12704]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   99.236058][T12704]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   99.236060][T12704]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   99.236062][T12704]  vprintk_emit (kernel/printk/printk.c:2479)
[   99.236065][T12704]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   99.236066][T12704]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.236070][T12704]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.236072][T12704]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.236074][T12704]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   99.236077][T12704]  ? ___sys_sendmsg (net/socket.c:2767)
[   99.236078][T12704]  ? __sys_sendmsg (net/socket.c:2799)
[   99.236080][T12704]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.236083][T12704]  _printk (kernel/printk/printk.c:2504)
[   99.236086][T12704]  ? snapshot_read.cold (user.c:?)
[   99.236089][T12704]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   99.236091][T12704]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   99.236093][T12704]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   99.236095][T12704]  ? netdev_notice (net/core/dev.c:13194)
[   99.236097][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236099][T12704]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   99.236100][T12704]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   99.236103][T12704]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   99.236104][T12704]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   99.236107][T12704]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   99.236110][T12704]  dev_set_allmulti (net/core/dev_api.c:315)
[   99.236112][T12704] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   99.236125][T12704]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   99.236128][T12704]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   99.236131][T12704] br_del_if (net/bridge/br_if.c:732) bridge
[   99.236138][T12704]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   99.236141][T12704]  do_set_master (net/core/rtnetlink.c:3055)
[   99.236143][T12704]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   99.236146][T12704]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   99.236149][T12704]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   99.236150][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236152][T12704]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   99.236156][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236157][T12704]  ? kasan_save_stack (mm/kasan/common.c:58)
[   99.236160][T12704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.236162][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236163][T12704]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   99.236165][T12704]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.236167][T12704]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[   99.236170][T12704]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[   99.236173][T12704]  ? clockevents_program_event (kernel/time/clockevents.c:372)
[   99.236176][T12704]  ? clockevents_tick_resume (kernel/time/clockevents.c:193)
[   99.236178][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236180][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236182][T12704]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   99.236183][T12704]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   99.236186][T12704]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   99.236187][T12704]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   99.236190][T12704]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   99.236192][T12704]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   99.236194][T12704]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   99.236196][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236198][T12704]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.236199][T12704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.236201][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236203][T12704]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   99.236205][T12704]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   99.236207][T12704]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   99.236208][T12704]  ? __kernel_text_address (kernel/extable.c:79)
[   99.236209][T12704]  ? write_profile (profile.c:?)
[   99.236211][T12704]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   99.236212][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236214][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236216][T12704]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   99.236225][T12704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.236227][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236229][T12704]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   99.236230][T12704]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   99.236232][T12704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.236233][T12704]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   99.236235][T12704]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   99.236237][T12704]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   99.236239][T12704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.236240][T12704]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.236242][T12704]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.236243][T12704]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   99.236245][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236247][T12704]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.236249][T12704]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.236251][T12704]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.236253][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236255][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236256][T12704]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   99.236258][T12704]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   99.236260][T12704]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   99.236262][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236264][T12704]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   99.236266][T12704]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   99.236268][T12704]  ? copy_msghdr_from_user (net/socket.c:2650)
[   99.236269][T12704]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   99.236271][T12704]  ? move_addr_to_kernel (net/socket.c:258)
[   99.236272][T12704]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   99.236275][T12704]  ___sys_sendmsg (net/socket.c:2767)
[   99.236277][T12704]  ? copy_msghdr_from_user (net/socket.c:2619)
[   99.236282][T12704]  __sys_sendmsg (net/socket.c:2799)
[   99.236284][T12704]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   99.236286][T12704]  ? 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)
[   99.236289][T12704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   99.236291][T12704]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   99.236293][T12704]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   99.236295][T12704]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.236297][T12704] RIP: 0033:0x7ff1fd4a454e
[   99.236299][T12704] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   99.236300][T12704] RSP: 002b:00007ffd9c181220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.236304][T12704] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff1fd4a454e
[   99.236306][T12704] RDX: 0000000000000000 RSI: 00007ffd9c1812d0 RDI: 0000000000000005
[   99.236307][T12704] RBP: 00007ffd9c181230 R08: 0000000000000000 R09: 0000000000000000
[   99.236307][T12704] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff67
[   99.236308][T12704] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd9c181990
| [  112.547340][T14769] softirqs last disabled at (0): 0x0
| [  112.547342][T14769] Preemption disabled at:
| [  112.547342][T14769] vprintk_emit (kernel/printk/printk.c:2471)
| [  112.547353][T14769] Tainted: [W]=WARN
[  112.547354][T14769] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  112.547355][T14769] Call Trace:
[  112.547357][T14769]  <TASK>
[  112.547358][T14769]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  112.547364][T14769]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  112.547366][T14769]  __might_resched.cold (kernel/sched/core.c:9234)
[  112.547369][T14769]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  112.547373][T14769]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  112.547376][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547380][T14769]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  112.547383][T14769]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  112.547386][T14769]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.547389][T14769]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  112.547391][T14769]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  112.547393][T14769]  put_chars (drivers/char/virtio_console.c:1176)
[  112.547395][T14769]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  112.547397][T14769]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  112.547400][T14769]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  112.547403][T14769]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  112.547405][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547407][T14769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.547409][T14769]  console_emit_next_record (kernel/printk/printk.c:3183)
[  112.547411][T14769]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  112.547414][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547415][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547417][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547419][T14769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.547421][T14769]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  112.547422][T14769]  console_flush_one_record (kernel/printk/printk.c:3268)
[  112.547425][T14769]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  112.547428][T14769]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  112.547429][T14769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.547431][T14769]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  112.547433][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547434][T14769]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  112.547436][T14769]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  112.547437][T14769]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  112.547440][T14769]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  112.547441][T14769]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  112.547443][T14769]  vprintk_emit (kernel/printk/printk.c:2479)
[  112.547446][T14769]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  112.547448][T14769]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  112.547451][T14769]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  112.547454][T14769]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  112.547455][T14769]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  112.547458][T14769]  ? ___sys_sendmsg (net/socket.c:2767)
[  112.547459][T14769]  ? __sys_sendmsg (net/socket.c:2799)
[  112.547461][T14769]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  112.547464][T14769]  _printk (kernel/printk/printk.c:2504)
[  112.547468][T14769]  ? snapshot_read.cold (user.c:?)
[  112.547470][T14769]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  112.547473][T14769]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  112.547475][T14769]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  112.547477][T14769]  ? netdev_notice (net/core/dev.c:13194)
[  112.547479][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547481][T14769]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  112.547482][T14769]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  112.547485][T14769]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  112.547486][T14769]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  112.547489][T14769]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  112.547493][T14769]  dev_set_allmulti (net/core/dev_api.c:315)
[  112.547496][T14769] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  112.547508][T14769]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  112.547512][T14769]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  112.547515][T14769] br_del_if (net/bridge/br_if.c:732) bridge
[  112.547523][T14769]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  112.547525][T14769]  do_set_master (net/core/rtnetlink.c:3055)
[  112.547528][T14769]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  112.547530][T14769]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  112.547533][T14769]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  112.547534][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547536][T14769]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  112.547540][T14769]  ? kasan_save_stack (mm/kasan/common.c:58)
[  112.547543][T14769]  ? kasan_save_stack (mm/kasan/common.c:57)
[  112.547544][T14769]  ? kasan_save_track (mm/kasan/common.c:78)
[  112.547546][T14769]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  112.547547][T14769]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  112.547549][T14769]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  112.547550][T14769]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  112.547551][T14769]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  112.547552][T14769]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  112.547554][T14769]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  112.547555][T14769]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  112.547556][T14769]  ? ___sys_sendmsg (net/socket.c:2767)
[  112.547558][T14769]  ? __sys_sendmsg (net/socket.c:2799)
[  112.547559][T14769]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  112.547561][T14769]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.547563][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547565][T14769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.547566][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547568][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547570][T14769]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  112.547572][T14769]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[  112.547575][T14769]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  112.547576][T14769]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  112.547578][T14769]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  112.547579][T14769]  ? nla_get_range_signed (lib/nlattr.c:270)
[  112.547581][T14769]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  112.547583][T14769]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  112.547585][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547587][T14769]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.547589][T14769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.547590][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547592][T14769]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  112.547594][T14769]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  112.547596][T14769]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  112.547597][T14769]  ? __kernel_text_address (kernel/extable.c:79)
[  112.547598][T14769]  ? write_profile (profile.c:?)
[  112.547600][T14769]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  112.547602][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547604][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547606][T14769]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  112.547610][T14769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.547611][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547613][T14769]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  112.547614][T14769]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  112.547616][T14769]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.547617][T14769]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  112.547619][T14769]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  112.547621][T14769]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  112.547623][T14769]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  112.547624][T14769]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  112.547626][T14769]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  112.547627][T14769]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  112.547630][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547632][T14769]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  112.547634][T14769]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  112.547636][T14769]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  112.547637][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547639][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547641][T14769]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  112.547643][T14769]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  112.547645][T14769]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  112.547646][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547648][T14769]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  112.547650][T14769]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  112.547652][T14769]  ? copy_msghdr_from_user (net/socket.c:2650)
[  112.547654][T14769]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  112.547655][T14769]  ? move_addr_to_kernel (net/socket.c:258)
[  112.547657][T14769]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  112.547659][T14769]  ___sys_sendmsg (net/socket.c:2767)
[  112.547661][T14769]  ? copy_msghdr_from_user (net/socket.c:2619)
[  112.547666][T14769]  __sys_sendmsg (net/socket.c:2799)
[  112.547668][T14769]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  112.547671][T14769]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  112.547673][T14769]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  112.547674][T14769]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  112.547677][T14769]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  112.547678][T14769] RIP: 0033:0x7f306872d54e
[  112.547680][T14769] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  112.547682][T14769] RSP: 002b:00007ffc71d33500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  112.547686][T14769] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f306872d54e
[  112.547687][T14769] RDX: 0000000000000000 RSI: 00007ffc71d335b0 RDI: 0000000000000005
[  112.547688][T14769] RBP: 00007ffc71d33510 R08: 0000000000000000 R09: 0000000000000000
[  112.547689][T14769] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90ff75


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:handle_softirqs:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars