======================================
| [    9.881763][  T186] softirqs last disabled at (39372): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727)
| [    9.881766][  T186] Preemption disabled at:
| [    9.881766][  T186] 0x0
| [    9.881776][  T186] Tainted: [W]=WARN
[    9.881777][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.881779][  T186] Call Trace:
[    9.881780][  T186]  <TASK>
[    9.881782][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.881788][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.881792][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.881796][  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)
[    9.881802][  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))
[    9.881804][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.881809][  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)
[    9.881812][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.881815][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[    9.881818][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.881820][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.881825][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.881830][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.881836][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.881838][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.881841][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.881845][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.881848][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.881850][  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))
[    9.881853][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.881856][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.881860][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.881864][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.881866][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.881871][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.881874][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.881876][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.881878][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.881882][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.881884][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.881887][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.881891][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.881894][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.881898][  T186]  _printk (kernel/printk/printk.c:2504)
[    9.881902][  T186]  ? snapshot_read.cold (user.c:?)
[    9.881904][  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)
[    9.881907][  T186]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.881911][  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)
[    9.881914][  T186]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.881917][  T186]  ? exit_notify (kernel/exit.c:780)
[    9.881919][  T186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.881922][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.881926][  T186]  do_group_exit (kernel/exit.c:1151)
[    9.881929][  T186]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.881931][  T186]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.881933][  T186]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.881936][  T186]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.881939][  T186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.881942][  T186] RIP: 0033:0x7f420bc4a1b8
[    9.881944][  T186] Code: Unable to access opcode bytes at 0x7f420bc4a18e.

Code starting with the faulting instruction
===========================================
[    9.881945][  T186] RSP: 002b:00007fff29b59f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.881947][  T186] RAX: ffffffffffffffda RBX: 00007f420bd7af88 RCX: 00007f420bc4a1b8
[    9.881948][  T186] RDX: 00007f420b994fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.881949][  T186] RBP: 00007fff29b59fb0 R08: 0000000000000000 R09: 0000000000008010
[    9.881950][  T186] R10: 00007fff29b59d70 R11: 0000000000000246 R12: 0000000000000001
[    9.881951][  T186] R13: 0000000000000000 R14: 00007f420bd79680 R15: 00007f420bd7afa0
| [    9.903143][    C0]
| [    9.903143][    C0]
| [    9.903143][    C0] stack backtrace:
| [    9.903150][    C0] Tainted: [W]=WARN
[    9.903150][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.903152][    C0] Call Trace:
[    9.903153][    C0]  <IRQ>
[    9.903155][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.903159][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[    9.903161][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[    9.903163][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[    9.903166][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[    9.903168][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[    9.903169][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[    9.903172][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.903174][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[    9.903176][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.903179][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.903181][    C0]  console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[    9.903183][    C0]  ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2))
[    9.903184][    C0]  vprintk_emit (kernel/printk/printk.c:2478)
[    9.903187][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.903189][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[    9.903191][    C0]  _printk (kernel/printk/printk.c:2504)
[    9.903193][    C0]  ? snapshot_read.cold (user.c:?)
[    9.903195][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[    9.903197][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.903199][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[    9.903201][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[    9.903202][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[    9.903204][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[    9.903206][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[    9.903208][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[    9.903211][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.903213][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.903215][    C0]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.903217][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[    9.903218][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[    9.903221][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[    9.903222][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.903225][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.903228][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[    9.903230][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[    9.903231][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.903233][    C0]  handle_softirqs (kernel/softirq.c:645)
[    9.903235][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.903237][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[    9.903239][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[    9.903240][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[    9.903242][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[    9.903244][    C0]  </IRQ>
[    9.903244][    C0]  <TASK>
[    9.903245][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[    9.903247][    C0] RIP: 0010:stack_access_ok (./arch/x86/include/asm/stacktrace.h:60 arch/x86/kernel/unwind_orc.c:409)
[    9.903249][    C0] Code: 41 56 49 89 d6 48 89 fa 55 48 c1 ea 03 48 89 f5 53 48 89 fb 48 83 ec 08 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 45 01 00 00 8b 13 <85> d2 74 65 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 48 89 fa 48
All code
========
   0:	41 56                	push   %r14
   2:	49 89 d6             	mov    %rdx,%r14
   5:	48 89 fa             	mov    %rdi,%rdx
   8:	55                   	push   %rbp
   9:	48 c1 ea 03          	shr    $0x3,%rdx
   d:	48 89 f5             	mov    %rsi,%rbp
  10:	53                   	push   %rbx
  11:	48 89 fb             	mov    %rdi,%rbx
  14:	48 83 ec 08          	sub    $0x8,%rsp
  18:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax
  1c:	84 c0                	test   %al,%al
  1e:	74 08                	je     0x28
  20:	3c 03                	cmp    $0x3,%al
  22:	0f 8e 45 01 00 00    	jle    0x16d
  28:	8b 13                	mov    (%rbx),%edx
  2a:*	85 d2                	test   %edx,%edx		<-- trapping instruction
  2c:	74 65                	je     0x93
  2e:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  35:	fc ff df 
  38:	48 8d 7b 08          	lea    0x8(%rbx),%rdi
  3c:	48 89 fa             	mov    %rdi,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	85 d2                	test   %edx,%edx
   2:	74 65                	je     0x69
   4:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   b:	fc ff df 
   e:	48 8d 7b 08          	lea    0x8(%rbx),%rdi
  12:	48 89 fa             	mov    %rdi,%rdx
  15:	48                   	rex.W
[    9.903251][    C0] RSP: 0018:ffa0000000626c00 EFLAGS: 00000246
[    9.903253][    C0] RAX: 0000000000000000 RBX: ffa0000000626d28 RCX: ffa0000000627280
[    9.903255][    C0] RDX: 0000000000000001 RSI: ffa0000000627770 RDI: ffa0000000626d28
[    9.903255][    C0] RBP: ffa0000000627770 R08: ffffffff8b9d6ac8 R09: ffffffff8b78b95c
[    9.903256][    C0] R10: ffffffff8b9d6acc R11: 0000000000000000 R12: ffa0000000626d80
[    9.903257][    C0] R13: ffa0000000626d28 R14: 0000000000000008 R15: ff1100000198a680
[    9.903260][    C0]  unwind_next_frame (arch/x86/kernel/unwind_orc.c:419 arch/x86/kernel/unwind_orc.c:614)
[    9.903261][    C0]  ? __mmap_region (mm/vma.c:2879)
[    9.903264][    C0]  ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55)
[    9.903265][    C0]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.903267][    C0]  ? __unwind_start (arch/x86/kernel/unwind_orc.c:787)
[    9.903268][    C0]  ? write_profile (profile.c:?)
[    9.903270][    C0]  arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[    9.903272][    C0]  ? __mmap_region (mm/vma.c:2879)
[    9.903275][    C0]  stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    9.903276][    C0]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[    9.903278][    C0]  set_track_prepare (mm/slub.c:1074)
[    9.903280][    C0]  ? kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[    9.903281][    C0]  ? __kasan_slab_alloc (mm/kasan/common.c:350)
[    9.903282][    C0]  ? kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5010)
[    9.903284][    C0]  ? mas_preallocate (lib/maple_tree.c:139 (discriminator 7) lib/maple_tree.c:1086 (discriminator 7) lib/maple_tree.c:5057 (discriminator 7))
[    9.903285][    C0]  ? __mmap_new_vma (mm/vma.h:665 mm/vma.c:2661)
[    9.903287][    C0]  ? __mmap_region (mm/vma.c:2879)
[    9.903289][    C0]  free_to_partial_list (mm/slub.c:5627)
[    9.903291][    C0]  ? qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[    9.903292][    C0]  qlist_free_all (mm/kasan/quarantine.c:163 (discriminator 2) mm/kasan/quarantine.c:179 (discriminator 2))
[    9.903294][    C0]  kasan_quarantine_reduce (mm/kasan/quarantine.c:286)
[    9.903296][    C0]  __kasan_slab_alloc (mm/kasan/common.c:350)
[    9.903298][    C0]  kmem_cache_alloc_noprof (./include/linux/kasan.h:253 mm/slub.c:4683 mm/slub.c:4996 mm/slub.c:5010)
[    9.903299][    C0]  ? mas_preallocate (lib/maple_tree.c:139 (discriminator 7) lib/maple_tree.c:1086 (discriminator 7) lib/maple_tree.c:5057 (discriminator 7))
[    9.903301][    C0]  mas_preallocate (lib/maple_tree.c:139 (discriminator 7) lib/maple_tree.c:1086 (discriminator 7) lib/maple_tree.c:5057 (discriminator 7))
[    9.903304][    C0]  ? mas_wr_slot_store (lib/maple_tree.c:1419 (discriminator 2))
[    9.903305][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[    9.903308][    C0]  ? vm_area_alloc (mm/vma_init.c:36 (discriminator 7))
[    9.903311][    C0]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4989)
[    9.903313][    C0]  __mmap_new_vma (mm/vma.h:665 mm/vma.c:2661)
[    9.903316][    C0]  ? __mmap_new_file_vma (./include/linux/maple_tree.h:627)
[    9.903317][    C0]  ? uprobe_apply (./include/linux/rcupdate_trace.h:135 (discriminator 2))
[    9.903321][    C0]  ? vma_set_page_prot (mm/mmap.c:87)
[    9.903322][    C0]  __mmap_region (mm/vma.c:2879)
[    9.903324][    C0]  ? vma_merge_new_range (./include/linux/mm.h:4474)
[    9.903328][    C0]  ? kasan_save_stack (mm/kasan/common.c:58)
[    9.903329][    C0]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.903331][    C0]  ? kasan_record_aux_stack (mm/kasan/generic.c:556)
[    9.903333][    C0]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3181)
[    9.903335][    C0]  ? vms_complete_munmap_vmas (mm/vma.c:1441)
[    9.903336][    C0]  ? do_vmi_align_munmap (mm/vma.c:1684)
[    9.903338][    C0]  ? do_vmi_munmap (mm/vma.c:1732)
[    9.903340][    C0]  ? elf_load (fs/binfmt_elf.c:395 fs/binfmt_elf.c:420)
[    9.903341][    C0]  ? load_elf_interp.isra.0 (fs/binfmt_elf.c:686)
[    9.903342][    C0]  ? load_elf_binary (fs/binfmt_elf.c:1254)
[    9.903351][    C0]  mmap_region (mm/vma.c:2964)
[    9.903353][    C0]  ? mm_take_all_locks (mm/vma.c:2365)
[    9.903355][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.903358][    C0]  ? __get_unmapped_area (./include/linux/security.h:1188 mm/mmap.c:877)
[    9.903360][    C0]  do_mmap (mm/mmap.c:573)
[    9.903362][    C0]  ? __ia32_sys_brk (mm/mmap.c:117)
[    9.903364][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.903371][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.903373][    C0]  ? 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)
[    9.903375][    C0]  ? down_write (kernel/locking/rwsem.c:1633)
[    9.903377][    C0]  vm_mmap_pgoff (mm/util.c:581)
[    9.903379][    C0]  ? randomize_page (mm/util.c:387)
[    9.903380][    C0]  ? __ia32_sys_remap_file_pages (mm/mmap.c:1101)
[    9.903382][    C0]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.903384][    C0]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.903387][    C0]  elf_load (fs/binfmt_elf.c:397 fs/binfmt_elf.c:420)
[    9.903388][    C0]  load_elf_interp.isra.0 (fs/binfmt_elf.c:686)
[    9.903391][    C0]  load_elf_binary (fs/binfmt_elf.c:1254)
[    9.903394][    C0]  ? load_elf_interp.isra.0 (fs/binfmt_elf.c:690 (discriminator 4))
[    9.903395][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.903397][    C0]  ? exec_binprm (fs/exec.c:1757 fs/exec.c:1791)
[    9.903399][    C0]  exec_binprm (fs/exec.c:1759 fs/exec.c:1791)
[    9.903401][    C0]  ? check_unsafe_exec (fs/exec.c:1617)
[    9.903403][    C0]  ? de_thread (./include/linux/rcu_sync.h:36 (discriminator 3))
[    9.903405][    C0]  ? prepare_creds (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1475 ./include/linux/rcuref.h:87 ./include/linux/user_namespace.h:144 kernel/cred.c:211)
[    9.903408][    C0]  bprm_execve (fs/exec.c:1847 fs/exec.c:1823)
[    9.903410][    C0]  kernel_execve (fs/exec.c:1991)
[    9.903412][    C0]  call_usermodehelper_exec_async (kernel/umh.c:107)
[    9.903413][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[    9.903415][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[    9.903417][    C0]  ? umh_complete (kernel/umh.c:41)
[    9.903418][    C0]  ret_from_fork (arch/x86/kernel/process.c:158)
[    9.903419][    C0]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[    9.903421][    C0]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[    9.903424][    C0]  ? umh_complete (kernel/umh.c:41)
[    9.903425][    C0]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.545394][  T286] softirqs last disabled at (0): 0x0
| [   11.545396][  T286] Preemption disabled at:
| [   11.545397][  T286] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.545408][  T286] Tainted: [W]=WARN
[   11.545409][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.545411][  T286] Call Trace:
[   11.545412][  T286]  <TASK>
[   11.545413][  T286]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.545419][  T286]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.545420][  T286]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.545424][  T286]  ? __module_address (kernel/module/main.c:3915)
[   11.545428][  T286]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.545431][  T286]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   11.545432][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545436][  T286]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.545440][  T286]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.545442][  T286]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.545446][  T286]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.545448][  T286]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.545450][  T286]  put_chars (drivers/char/virtio_console.c:1176)
[   11.545451][  T286]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   11.545453][  T286]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.545455][  T286]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   11.545457][  T286]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.545460][  T286]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.545462][  T286]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   11.545463][  T286]  ? vsnprintf (lib/vsprintf.c:2900)
[   11.545467][  T286]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.545468][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545470][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.545472][  T286]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.545474][  T286]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.545476][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545478][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545479][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545481][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.545483][  T286]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   11.545484][  T286]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.545487][  T286]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.545489][  T286]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.545491][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.545492][  T286]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.545494][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545495][  T286]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.545497][  T286]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.545498][  T286]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   11.545500][  T286]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.545502][  T286]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.545504][  T286]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.545507][  T286]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.545509][  T286]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.545510][  T286]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.545513][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.545514][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545517][  T286]  _printk (kernel/printk/printk.c:2504)
[   11.545520][  T286]  ? snapshot_read.cold (user.c:?)
[   11.545522][  T286]  ? br_multicast_flood (??:?) bridge
[   11.545534][  T286]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.545537][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.545538][  T286]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.545540][  T286] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.545549][  T286] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.545556][  T286] new_nbp (net/bridge/br_if.c:449) bridge
[   11.545563][  T286] br_add_if (net/bridge/br_if.c:592) bridge
[   11.545570][  T286]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   11.545573][  T286]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.545575][  T286]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.545577][  T286]  ? __kernel_text_address (kernel/extable.c:79)
[   11.545582][  T286]  do_set_master (net/core/rtnetlink.c:3071)
[   11.545585][  T286]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.545586][  T286]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.545588][  T286]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.545589][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545591][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   11.545594][  T286]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.545597][  T286]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.545598][  T286]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.545600][  T286]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.545601][  T286]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   11.545603][  T286]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   11.545604][  T286]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.545605][  T286]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.545607][  T286]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.545608][  T286]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.545610][  T286]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.545612][  T286]  ? ___sys_sendmsg (net/socket.c:2767)
[   11.545614][  T286]  ? __sys_sendmsg (net/socket.c:2799)
[   11.545615][  T286]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.545617][  T286]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.545619][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545621][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.545622][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545624][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545626][  T286]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.545629][  T286]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.545630][  T286]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.545632][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.545633][  T286]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.545634][  T286]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.545636][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.545638][  T286]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.545640][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545642][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.545643][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.545645][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545647][  T286]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   11.545648][  T286]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.545650][  T286]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.545651][  T286]  ? __kernel_text_address (kernel/extable.c:79)
[   11.545652][  T286]  ? write_profile (profile.c:?)
[   11.545654][  T286]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.545656][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545658][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545659][  T286]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.545663][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.545664][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545666][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.545667][  T286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.545669][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.545670][  T286]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   11.545671][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   11.545674][  T286]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.545675][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.545676][  T286]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.545678][  T286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.545679][  T286]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   11.545682][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545683][  T286]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.545685][  T286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.545687][  T286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.545689][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545690][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545692][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.545694][  T286]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.545695][  T286]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.545697][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545699][  T286]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   11.545701][  T286]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.545702][  T286]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.545704][  T286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.545705][  T286]  ? move_addr_to_kernel (net/socket.c:258)
[   11.545707][  T286]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   11.545709][  T286]  ___sys_sendmsg (net/socket.c:2767)
[   11.545711][  T286]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.545716][  T286]  __sys_sendmsg (net/socket.c:2799)
[   11.545718][  T286]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.545720][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.545722][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.545723][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.545726][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.545727][  T286] RIP: 0033:0x7feec58f354e
[   11.545729][  T286] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.545731][  T286] RSP: 002b:00007ffcdc41b1c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.545735][  T286] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007feec58f354e
[   11.545736][  T286] RDX: 0000000000000000 RSI: 00007ffcdc41b270 RDI: 0000000000000005
[   11.545737][  T286] RBP: 00007ffcdc41b1d0 R08: 0000000000000000 R09: 0000000000000000
[   11.545738][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91374d
[   11.545739][  T286] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcdc41b930
| [   12.561858][  T346] softirqs last disabled at (0): 0x0
| [   12.561859][  T346] Preemption disabled at:
| [   12.561860][  T346] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.561871][  T346] Tainted: [W]=WARN
[   12.561872][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.561873][  T346] Call Trace:
[   12.561875][  T346]  <TASK>
[   12.561876][  T346]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.561881][  T346]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.561883][  T346]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.561887][  T346]  ? __module_address (kernel/module/main.c:3915)
[   12.561890][  T346]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.561893][  T346]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   12.561895][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.561898][  T346]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.561902][  T346]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.561904][  T346]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.561908][  T346]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.561909][  T346]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.561911][  T346]  put_chars (drivers/char/virtio_console.c:1176)
[   12.561913][  T346]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   12.561914][  T346]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.561916][  T346]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   12.561918][  T346]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.561922][  T346]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.561923][  T346]  ? 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)
[   12.561925][  T346]  ? vsnprintf (lib/vsprintf.c:2900)
[   12.561928][  T346]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.561929][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.561931][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.561933][  T346]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.561936][  T346]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.561938][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.561939][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.561941][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.561943][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.561944][  T346]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   12.561946][  T346]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.561948][  T346]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.561951][  T346]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.561953][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.561954][  T346]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.561956][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.561957][  T346]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.561959][  T346]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.561960][  T346]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   12.561962][  T346]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.561964][  T346]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.561966][  T346]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.561968][  T346]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.561970][  T346]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.561972][  T346]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   12.561973][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.561975][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.561977][  T346]  _printk (kernel/printk/printk.c:2504)
[   12.561980][  T346]  ? snapshot_read.cold (user.c:?)
[   12.561982][  T346]  ? br_multicast_flood (??:?) bridge
[   12.561994][  T346]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.561996][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.561997][  T346]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.561999][  T346] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.562008][  T346] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.562015][  T346] new_nbp (net/bridge/br_if.c:449) bridge
[   12.562022][  T346] br_add_if (net/bridge/br_if.c:592) bridge
[   12.562028][  T346]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   12.562032][  T346]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.562033][  T346]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.562036][  T346]  ? __kernel_text_address (kernel/extable.c:79)
[   12.562038][  T346]  do_set_master (net/core/rtnetlink.c:3071)
[   12.562040][  T346]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.562042][  T346]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.562043][  T346]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.562044][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562046][  T346]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   12.562050][  T346]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.562053][  T346]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.562054][  T346]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.562055][  T346]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.562057][  T346]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   12.562058][  T346]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   12.562059][  T346]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.562060][  T346]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.562063][  T346]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.562065][  T346]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.562066][  T346]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.562068][  T346]  ? ___sys_sendmsg (net/socket.c:2767)
[   12.562070][  T346]  ? __sys_sendmsg (net/socket.c:2799)
[   12.562071][  T346]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.562073][  T346]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.562076][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562078][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.562079][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562080][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562082][  T346]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.562085][  T346]  ? __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)
[   12.562087][  T346]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.562089][  T346]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.562090][  T346]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.562091][  T346]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.562094][  T346]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.562096][  T346]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.562097][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562099][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.562100][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.562102][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562104][  T346]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   12.562105][  T346]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.562107][  T346]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.562108][  T346]  ? __kernel_text_address (kernel/extable.c:79)
[   12.562109][  T346]  ? write_profile (profile.c:?)
[   12.562111][  T346]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.562113][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562115][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562116][  T346]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.562120][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.562121][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562123][  T346]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.562124][  T346]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.562126][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.562127][  T346]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   12.562128][  T346]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   12.562131][  T346]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.562132][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.562133][  T346]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.562135][  T346]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.562136][  T346]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   12.562139][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562140][  T346]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.562142][  T346]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.562144][  T346]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.562146][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562147][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562149][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.562151][  T346]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.562153][  T346]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.562154][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562156][  T346]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   12.562158][  T346]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.562160][  T346]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.562161][  T346]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.562163][  T346]  ? move_addr_to_kernel (net/socket.c:258)
[   12.562164][  T346]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   12.562167][  T346]  ___sys_sendmsg (net/socket.c:2767)
[   12.562168][  T346]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.562173][  T346]  __sys_sendmsg (net/socket.c:2799)
[   12.562175][  T346]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.562178][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.562180][  T346]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.562181][  T346]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.562183][  T346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.562184][  T346] RIP: 0033:0x7fb2bd80554e
[   12.562186][  T346] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.562188][  T346] RSP: 002b:00007ffea2f9e580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.562192][  T346] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb2bd80554e
[   12.562193][  T346] RDX: 0000000000000000 RSI: 00007ffea2f9e630 RDI: 0000000000000005
[   12.562194][  T346] RBP: 00007ffea2f9e590 R08: 0000000000000000 R09: 0000000000000000
[   12.562195][  T346] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91374e
[   12.562195][  T346] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffea2f9ecf0
| [   13.666688][  T408] softirqs last disabled at (0): 0x0
| [   13.666693][  T408] Preemption disabled at:
| [   13.666694][  T408] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.666708][  T408] Tainted: [W]=WARN
[   13.666710][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.666712][  T408] Call Trace:
[   13.666713][  T408]  <TASK>
[   13.666715][  T408]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.666721][  T408]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.666724][  T408]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.666728][  T408]  ? __module_address (kernel/module/main.c:3915)
[   13.666733][  T408]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.666736][  T408]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   13.666739][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666744][  T408]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.666748][  T408]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.666751][  T408]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.666756][  T408]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.666759][  T408]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.666762][  T408]  put_chars (drivers/char/virtio_console.c:1176)
[   13.666764][  T408]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.666766][  T408]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.666769][  T408]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   13.666773][  T408]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.666778][  T408]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.666780][  T408]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   13.666782][  T408]  ? vsnprintf (lib/vsprintf.c:2900)
[   13.666786][  T408]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.666789][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666792][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.666795][  T408]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.666798][  T408]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.666801][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666804][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666806][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666809][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.666812][  T408]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   13.666814][  T408]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.666818][  T408]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.666822][  T408]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.666824][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.666827][  T408]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.666829][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666831][  T408]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   13.666833][  T408]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.666835][  T408]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   13.666838][  T408]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.666841][  T408]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.666844][  T408]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.666848][  T408]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.666850][  T408]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   13.666853][  T408]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   13.666855][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.666857][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666860][  T408]  _printk (kernel/printk/printk.c:2504)
[   13.666864][  T408]  ? snapshot_read.cold (user.c:?)
[   13.666868][  T408]  ? br_multicast_flood (??:?) bridge
[   13.666885][  T408]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.666888][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.666890][  T408]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.666893][  T408] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.666907][  T408] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.666920][  T408] new_nbp (net/bridge/br_if.c:449) bridge
[   13.666934][  T408] br_add_if (net/bridge/br_if.c:592) bridge
[   13.666945][  T408]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   13.666949][  T408]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.666952][  T408]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.666955][  T408]  ? __kernel_text_address (kernel/extable.c:79)
[   13.666958][  T408]  do_set_master (net/core/rtnetlink.c:3071)
[   13.666962][  T408]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.666965][  T408]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.666968][  T408]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.666970][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666972][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   13.666978][  T408]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.666981][  T408]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.666984][  T408]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.666986][  T408]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.666988][  T408]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   13.666991][  T408]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   13.666993][  T408]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.666995][  T408]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.666998][  T408]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.667000][  T408]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.667002][  T408]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.667006][  T408]  ? ___sys_sendmsg (net/socket.c:2767)
[   13.667008][  T408]  ? __sys_sendmsg (net/socket.c:2799)
[   13.667010][  T408]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.667012][  T408]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.667016][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667019][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.667021][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667024][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667026][  T408]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.667030][  T408]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.667033][  T408]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.667035][  T408]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.667038][  T408]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.667040][  T408]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.667043][  T408]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.667047][  T408]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.667050][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667053][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.667055][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.667057][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667060][  T408]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   13.667063][  T408]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.667065][  T408]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.667067][  T408]  ? __kernel_text_address (kernel/extable.c:79)
[   13.667069][  T408]  ? write_profile (profile.c:?)
[   13.667071][  T408]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.667074][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667077][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667079][  T408]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   13.667084][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.667086][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667089][  T408]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.667091][  T408]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.667094][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.667096][  T408]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   13.667098][  T408]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   13.667102][  T408]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.667104][  T408]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.667107][  T408]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   13.667109][  T408]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.667111][  T408]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   13.667115][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667118][  T408]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   13.667121][  T408]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.667124][  T408]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.667127][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667129][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667132][  T408]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.667134][  T408]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.667138][  T408]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.667141][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667143][  T408]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   13.667146][  T408]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.667149][  T408]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.667151][  T408]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.667154][  T408]  ? move_addr_to_kernel (net/socket.c:258)
[   13.667156][  T408]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   13.667160][  T408]  ___sys_sendmsg (net/socket.c:2767)
[   13.667163][  T408]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.667171][  T408]  __sys_sendmsg (net/socket.c:2799)
[   13.667174][  T408]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.667178][  T408]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.667181][  T408]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.667183][  T408]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.667186][  T408]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.667188][  T408] RIP: 0033:0x7fdf5d10454e
[   13.667191][  T408] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.667194][  T408] RSP: 002b:00007ffdb2bb1bc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.667198][  T408] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdf5d10454e
[   13.667200][  T408] RDX: 0000000000000000 RSI: 00007ffdb2bb1c70 RDI: 0000000000000005
[   13.667202][  T408] RBP: 00007ffdb2bb1bd0 R08: 0000000000000000 R09: 0000000000000000
[   13.667203][  T408] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913750
[   13.667204][  T408] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb2bb2330
| [   25.943181][   T12] softirqs last disabled at (82): addrconf_verify_rtnl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/ipv6/addrconf.c:4652 (discriminator 2))
| [   25.943183][   T12] Preemption disabled at:
| [   25.943184][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.943196][   T12] Tainted: [W]=WARN
[   25.943198][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.943200][   T12] Workqueue: netns cleanup_net
[   25.943206][   T12] Call Trace:
[   25.943207][   T12]  <TASK>
[   25.943209][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.943214][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.943216][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.943220][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.943223][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.943227][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.943231][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.943234][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.943237][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.943239][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.943241][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   25.943243][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   25.943244][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.943246][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   25.943249][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.943252][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.943253][   T12]  ? 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)
[   25.943255][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.943256][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.943258][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.943260][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.943262][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.943264][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.943266][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.943268][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.943270][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.943271][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.943273][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   25.943275][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.943277][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.943280][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.943282][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.943283][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.943285][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.943287][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   25.943288][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.943290][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   25.943292][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.943294][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.943296][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.943298][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.943300][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   25.943303][   T12]  ? kthread (kernel/kthread.c:436)
[   25.943305][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   25.943308][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   25.943310][   T12]  _printk (kernel/printk/printk.c:2504)
[   25.943313][   T12]  ? snapshot_read.cold (user.c:?)
[   25.943315][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.943319][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.943320][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.943322][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   25.943324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.943326][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   25.943328][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   25.943330][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   25.943331][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.943334][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   25.943337][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   25.943340][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   25.943353][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   25.943361][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   25.943368][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   25.943370][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   25.943372][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   25.943375][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   25.943377][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.943379][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.943381][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.943383][   T12]  process_one_work (kernel/workqueue.c:3387)
[   25.943386][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.943389][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.943391][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.943394][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.943396][   T12]  kthread (kernel/kthread.c:436)
[   25.943398][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.943399][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.943401][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.943402][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.943404][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.943407][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning
netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
addrconf_verify_rtnl:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars