======================================
| [   12.852887][  T314] softirqs last disabled at (17551): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.852890][  T314] Preemption disabled at:
| [   12.852891][  T314] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.852904][  T314] Tainted: [W]=WARN
[   12.852905][  T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.852907][  T314] Call Trace:
[   12.852909][  T314]  <TASK>
[   12.852911][  T314]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.852918][  T314]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.852921][  T314]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.852928][  T314]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.852933][  T314]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.852940][  T314]  __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))
[   12.852944][  T314]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.852952][  T314]  ? 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)
[   12.852956][  T314]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.852961][  T314]  put_chars (drivers/char/virtio_console.c:1176)
[   12.852963][  T314]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   12.852966][  T314]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.852971][  T314]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.852976][  T314]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.852983][  T314]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.852987][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.852989][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.852997][  T314]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.852999][  T314]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.853003][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.853007][  T314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.853014][  T314]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.853020][  T314]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.853022][  T314]  ? 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))
[   12.853027][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.853031][  T314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.853037][  T314]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.853044][  T314]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.853047][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.853055][  T314]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.853060][  T314]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.853062][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.853066][  T314]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.853072][  T314]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.853074][  T314]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.853080][  T314]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.853087][  T314]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.853096][  T314]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   12.853100][  T314]  _printk (kernel/printk/printk.c:2504)
[   12.853105][  T314]  ? snapshot_read.cold (user.c:?)
[   12.853115][  T314]  ? 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)
[   12.853120][  T314] gact_init_module (net/sched/act_gact.c:180) act_gact
[   12.853123][  T314]  do_one_initcall (init/main.c:1357)
[   12.853127][  T314]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   12.853135][  T314]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   12.853139][  T314]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   12.853146][  T314]  do_init_module (kernel/module/main.c:3117)
[   12.853152][  T314]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.853157][  T314]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   12.853162][  T314]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   12.853169][  T314]  load_module (kernel/module/main.c:3593)
[   12.853182][  T314]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   12.853190][  T314]  ? __ia32_sys_fsconfig (??:?)
[   12.853194][  T314]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   12.853199][  T314]  ? backing_file_read_iter (fs/backing-file.c:211)
[   12.853204][  T314]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.853210][  T314]  init_module_from_file (kernel/module/main.c:3790)
[   12.853215][  T314]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   12.853228][  T314]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   12.853234][  T314]  ? 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)
[   12.853239][  T314]  idempotent_init_module (kernel/module/main.c:3802)
[   12.853244][  T314]  ? init_module_from_file (kernel/module/main.c:3791)
[   12.853255][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.853259][  T314]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   12.853267][  T314]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   12.853270][  T314]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.853275][  T314]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.853278][  T314]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.853282][  T314]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.853286][  T314] RIP: 0033:0x7f417f73637d
[   12.853290][  T314] 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
[   12.853293][  T314] RSP: 002b:00007fff9d9b8608 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   12.853296][  T314] RAX: ffffffffffffffda RBX: 0000559901fea810 RCX: 00007f417f73637d
[   12.853298][  T314] RDX: 0000000000000000 RSI: 00005598de248ffd RDI: 0000000000000000
[   12.853300][  T314] RBP: 00007fff9d9b86a0 R08: 0000000000000000 R09: 0000000000000000
[   12.853301][  T314] R10: 0000000000000000 R11: 0000000000000246 R12: 00005598de248ffd
[   12.853302][  T314] R13: 0000559901fea960 R14: 0000000000040000 R15: 0000000000000000
| [   14.014799][  T403] softirqs last disabled at (26492): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.014801][  T403] Preemption disabled at:
| [   14.014802][  T403] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.014812][  T403] Tainted: [W]=WARN
[   14.014813][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.014815][  T403] Call Trace:
[   14.014816][  T403]  <TASK>
[   14.014818][  T403]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.014824][  T403]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.014826][  T403]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.014830][  T403]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.014834][  T403]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.014840][  T403]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.014842][  T403]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.014847][  T403]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.014850][  T403]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.014853][  T403]  put_chars (drivers/char/virtio_console.c:1176)
[   14.014856][  T403]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.014860][  T403]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   14.014864][  T403]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.014866][  T403]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.014868][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.014870][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.014873][  T403]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.014876][  T403]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.014879][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.014883][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.014886][  T403]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.014890][  T403]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.014892][  T403]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.014895][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.014897][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.014901][  T403]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.014905][  T403]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.014907][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.014912][  T403]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.014915][  T403]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.014917][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.014919][  T403]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.014922][  T403]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.014924][  T403]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.014927][  T403]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.014931][  T403]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.014934][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.014935][  T403]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   14.014940][  T403]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.014943][  T403]  _printk (kernel/printk/printk.c:2504)
[   14.014947][  T403]  ? snapshot_read.cold (user.c:?)
[   14.014951][  T403]  ? br_multicast_flood (??:?) bridge
[   14.014964][  T403]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.014965][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.014966][  T403]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.014970][  T403] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.014980][  T403] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.014988][  T403] new_nbp (net/bridge/br_if.c:449) bridge
[   14.014998][  T403] br_add_if (net/bridge/br_if.c:592) bridge
[   14.015005][  T403]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.015009][  T403]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.015012][  T403]  ? __kernel_text_address (kernel/extable.c:79)
[   14.015015][  T403]  do_set_master (net/core/rtnetlink.c:3071)
[   14.015020][  T403]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.015023][  T403]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.015026][  T403]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.015027][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.015030][  T403]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.015033][  T403]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.015036][  T403]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.015037][  T403]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.015040][  T403]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.015043][  T403]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.015045][  T403]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.015047][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.015049][  T403]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.015052][  T403]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.015056][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.015058][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.015061][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.015063][  T403]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.015064][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.015066][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.015068][  T403]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.015072][  T403]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.015074][  T403]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.015076][  T403]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.015079][  T403]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.015081][  T403]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.015086][  T403]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.015091][  T403]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.015096][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.015098][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.015102][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.015104][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.015106][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.015108][  T403]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.015111][  T403]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.015113][  T403]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.015116][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.015118][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.015122][  T403]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.015124][  T403]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.015127][  T403]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.015129][  T403]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.015131][  T403]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.015137][  T403]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.015139][  T403]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.015143][  T403]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.015147][  T403]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.015149][  T403]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.015153][  T403]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.015157][  T403]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.015161][  T403]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.015166][  T403]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.015168][  T403]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.015170][  T403]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.015172][  T403]  ? move_addr_to_kernel (net/socket.c:258)
[   14.015179][  T403]  ___sys_sendmsg (net/socket.c:2767)
[   14.015182][  T403]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.015199][  T403]  __sys_sendmsg (net/socket.c:2799)
[   14.015202][  T403]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.015208][  T403]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.015212][  T403]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.015214][  T403]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.015217][  T403]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.015220][  T403] RIP: 0033:0x7f151184c54e
[   14.015223][  T403] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.015225][  T403] RSP: 002b:00007ffc143ede30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.015228][  T403] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f151184c54e
[   14.015230][  T403] RDX: 0000000000000000 RSI: 00007ffc143edee0 RDI: 0000000000000005
[   14.015230][  T403] RBP: 00007ffc143ede40 R08: 0000000000000000 R09: 0000000000000000
[   14.015231][  T403] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e2d
[   14.015232][  T403] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc143ee5a0
| [   29.544307][    C0] softirqs last disabled at (1093587): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.544309][    C0] Preemption disabled at:
| [   29.544309][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   29.544319][    C0] Tainted: [W]=WARN
[   29.544320][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.544322][    C0] Call Trace:
[   29.544324][    C0]  <IRQ>
[   29.544325][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.544331][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   29.544333][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.544337][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.544340][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   29.544343][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.544347][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.544350][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.544353][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.544357][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.544358][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.544365][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   29.544367][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.544369][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.544372][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.544375][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.544377][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.544379][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.544381][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.544383][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.544385][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.544387][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.544388][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.544390][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.544392][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.544394][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.544397][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.544398][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.544400][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.544402][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.544403][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.544405][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.544407][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.544408][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.544410][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.544413][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.544415][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.544416][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.544418][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   29.544423][    C0]  _printk (kernel/printk/printk.c:2504)
[   29.544426][    C0]  ? snapshot_read.cold (user.c:?)
[   29.544428][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   29.544432][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.544434][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   29.544435][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   29.544438][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.544441][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.544443][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.544444][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.544447][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.544448][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.544461][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.544463][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.544465][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.544471][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.544473][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.544479][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.544485][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.544491][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.544495][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.544496][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.544500][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.544502][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.544504][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.544506][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.544507][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.544514][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.544516][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.544519][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.544521][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.544523][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.544525][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.544527][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.544529][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.544530][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.544532][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.544534][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.544535][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.544537][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.544540][    C0]  </IRQ>
[   29.544540][    C0]  <TASK>
[   29.544541][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.544542][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.544545][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.544548][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.544549][    C0] RSP: 0018:ffffffffa1c07cf8 EFLAGS: 00000296
[   29.544553][    C0] RAX: 000000000010afd1 RBX: ffffffffa1c1c600 RCX: ffffffff9ecf0307
[   29.544554][    C0] RDX: ffffffffa1c1c600 RSI: ffffffffa1a38b01 RDI: ffffffffa148d8e0
[   29.544555][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.544556][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4380fa2
[   29.544557][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.544558][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.544561][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.544563][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.544564][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.544566][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.544568][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.544569][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.544571][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.544573][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.544575][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.544576][    C0]  rest_init (init/main.c:727)
[   29.544578][    C0]  ? __cpuidle_text_end (??:?)
[   29.544581][    C0]  ? rest_init (init/main.c:727)
[   29.544583][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.544587][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.544589][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.544592][    C0]  start_kernel (init/main.c:1185)
[   29.544594][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.544596][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.544598][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.611600][    C0]
| [   29.611675][    C0]
| [   29.611675][    C0] stack backtrace:
| [   29.611918][    C0] Tainted: [W]=WARN
[   29.611919][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.611920][    C0] Call Trace:
[   29.611922][    C0]  <IRQ>
[   29.611923][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.611928][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   29.611932][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   29.611934][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   29.611936][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   29.611938][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   29.611940][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.611942][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.611949][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.611952][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.611954][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.611960][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   29.611961][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.611967][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   29.611974][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.611980][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   29.611982][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   29.611984][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   29.611988][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.611990][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.611992][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.611994][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   29.611996][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   29.612002][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   29.612004][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.612007][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.612009][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   29.612011][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   29.612013][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.612015][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.612017][    C0]  handle_softirqs (kernel/softirq.c:645)
[   29.612019][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.612020][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   29.612022][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   29.612024][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   29.612025][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   29.612027][    C0]  </IRQ>
[   29.612028][    C0]  <TASK>
[   29.612028][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.612030][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   29.612032][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   29.612034][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   29.612035][    C0] RSP: 0018:ffffffffa1c07cf8 EFLAGS: 00000296
[   29.612038][    C0] RAX: 000000000010afd1 RBX: ffffffffa1c1c600 RCX: ffffffff9ecf0307
[   29.612039][    C0] RDX: ffffffffa1c1c600 RSI: ffffffffa1a38b01 RDI: ffffffffa148d8e0
[   29.612040][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   29.612041][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4380fa2
[   29.612042][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   29.612043][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.612046][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.612047][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   29.612049][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   29.612050][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   29.612052][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   29.612053][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   29.612056][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.612058][    C0]  do_idle (kernel/sched/idle.c:355)
[   29.612059][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   29.612061][    C0]  rest_init (init/main.c:727)
[   29.612062][    C0]  ? __cpuidle_text_end (??:?)
[   29.612065][    C0]  ? rest_init (init/main.c:727)
[   29.612067][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   29.612072][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   29.612075][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   29.612077][    C0]  start_kernel (init/main.c:1185)
[   29.612079][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   29.612080][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   29.612082][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   31.269682][  T855] softirqs last disabled at (0): 0x0
| [   31.269684][  T855] Preemption disabled at:
| [   31.269685][  T855] vprintk_emit (kernel/printk/printk.c:2471)
| [   31.269696][  T855] Tainted: [W]=WARN
[   31.269697][  T855] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.269699][  T855] Call Trace:
[   31.269701][  T855]  <TASK>
[   31.269702][  T855]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.269707][  T855]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   31.269709][  T855]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.269713][  T855]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.269716][  T855]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   31.269719][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269723][  T855]  __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))
[   31.269726][  T855]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   31.269728][  T855]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.269733][  T855]  ? 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)
[   31.269734][  T855]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.269736][  T855]  put_chars (drivers/char/virtio_console.c:1176)
[   31.269738][  T855]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.269740][  T855]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   31.269742][  T855]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.269746][  T855]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.269747][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269749][  T855]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.269751][  T855]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.269754][  T855]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.269756][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269757][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269759][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269761][  T855]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.269762][  T855]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   31.269764][  T855]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.269767][  T855]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.269769][  T855]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.269771][  T855]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.269773][  T855]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.269774][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269776][  T855]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.269777][  T855]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.269779][  T855]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   31.269781][  T855]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.269783][  T855]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.269785][  T855]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.269787][  T855]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.269789][  T855]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.269792][  T855]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.269795][  T855]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.269796][  T855]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.269799][  T855]  ? ___sys_sendmsg (net/socket.c:2767)
[   31.269800][  T855]  ? __sys_sendmsg (net/socket.c:2799)
[   31.269802][  T855]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.269805][  T855]  _printk (kernel/printk/printk.c:2504)
[   31.269809][  T855]  ? snapshot_read.cold (user.c:?)
[   31.269811][  T855]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   31.269814][  T855]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   31.269816][  T855]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   31.269818][  T855]  ? netdev_notice (net/core/dev.c:13194)
[   31.269820][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269821][  T855]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   31.269823][  T855]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   31.269825][  T855]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   31.269827][  T855]  ? 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)
[   31.269829][  T855]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   31.269832][  T855]  dev_set_allmulti (net/core/dev_api.c:315)
[   31.269835][  T855] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   31.269847][  T855]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   31.269851][  T855]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   31.269854][  T855] br_del_if (net/bridge/br_if.c:732) bridge
[   31.269861][  T855]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   31.269863][  T855]  do_set_master (net/core/rtnetlink.c:3055)
[   31.269865][  T855]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   31.269868][  T855]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.269871][  T855]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.269872][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269874][  T855]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   31.269877][  T855]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.269880][  T855]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.269881][  T855]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.269883][  T855]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   31.269884][  T855]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   31.269886][  T855]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   31.269887][  T855]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.269888][  T855]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.269890][  T855]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.269891][  T855]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.269892][  T855]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.269894][  T855]  ? ___sys_sendmsg (net/socket.c:2767)
[   31.269895][  T855]  ? __sys_sendmsg (net/socket.c:2799)
[   31.269897][  T855]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.269898][  T855]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.269900][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269902][  T855]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.269904][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269905][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269907][  T855]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.269909][  T855]  ? __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)
[   31.269912][  T855]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.269913][  T855]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.269915][  T855]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.269916][  T855]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.269918][  T855]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.269920][  T855]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.269922][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269924][  T855]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.269925][  T855]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.269927][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269929][  T855]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   31.269931][  T855]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   31.269933][  T855]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   31.269934][  T855]  ? __kernel_text_address (kernel/extable.c:79)
[   31.269935][  T855]  ? write_profile (profile.c:?)
[   31.269936][  T855]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   31.269939][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269941][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269942][  T855]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   31.269946][  T855]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.269947][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269949][  T855]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.269950][  T855]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.269952][  T855]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.269953][  T855]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   31.269955][  T855]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   31.269957][  T855]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.269959][  T855]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.269960][  T855]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.269962][  T855]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.269963][  T855]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   31.269966][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269968][  T855]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.269969][  T855]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.269971][  T855]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.269973][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269975][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269976][  T855]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.269978][  T855]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.269980][  T855]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.269982][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.269984][  T855]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   31.269986][  T855]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.269987][  T855]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.269989][  T855]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   31.269991][  T855]  ? move_addr_to_kernel (net/socket.c:258)
[   31.269992][  T855]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   31.269995][  T855]  ___sys_sendmsg (net/socket.c:2767)
[   31.269997][  T855]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.270002][  T855]  __sys_sendmsg (net/socket.c:2799)
[   31.270003][  T855]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.270006][  T855]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.270008][  T855]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.270010][  T855]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.270012][  T855]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.270013][  T855] RIP: 0033:0x7fe65986d54e
[   31.270015][  T855] 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
[   31.270017][  T855] RSP: 002b:00007ffeaf47ef40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.270021][  T855] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe65986d54e
[   31.270023][  T855] RDX: 0000000000000000 RSI: 00007ffeaf47eff0 RDI: 0000000000000005
[   31.270023][  T855] RBP: 00007ffeaf47ef50 R08: 0000000000000000 R09: 0000000000000000
[   31.270024][  T855] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e3e
[   31.270025][  T855] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeaf47f6b0
| [   49.365147][ T1392] softirqs last disabled at (0): 0x0
| [   49.365149][ T1392] Preemption disabled at:
| [   49.365150][ T1392] vprintk_emit (kernel/printk/printk.c:2471)
| [   49.365161][ T1392] Tainted: [W]=WARN
[   49.365161][ T1392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   49.365163][ T1392] Call Trace:
[   49.365165][ T1392]  <TASK>
[   49.365166][ T1392]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   49.365171][ T1392]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   49.365172][ T1392]  __might_resched.cold (kernel/sched/core.c:9234)
[   49.365176][ T1392]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   49.365179][ T1392]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   49.365182][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365190][ T1392]  __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))
[   49.365193][ T1392]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   49.365195][ T1392]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.365199][ T1392]  ? 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)
[   49.365201][ T1392]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   49.365203][ T1392]  put_chars (drivers/char/virtio_console.c:1176)
[   49.365205][ T1392]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   49.365206][ T1392]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   49.365209][ T1392]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   49.365212][ T1392]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   49.365213][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365215][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.365217][ T1392]  console_emit_next_record (kernel/printk/printk.c:3183)
[   49.365220][ T1392]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   49.365222][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365223][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365225][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365227][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.365228][ T1392]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   49.365230][ T1392]  console_flush_one_record (kernel/printk/printk.c:3268)
[   49.365232][ T1392]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   49.365235][ T1392]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   49.365236][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.365238][ T1392]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   49.365239][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365241][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.365242][ T1392]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   49.365244][ T1392]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   49.365246][ T1392]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   49.365248][ T1392]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   49.365250][ T1392]  vprintk_emit (kernel/printk/printk.c:2479)
[   49.365252][ T1392]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   49.365254][ T1392]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.365257][ T1392]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.365259][ T1392]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.365261][ T1392]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   49.365263][ T1392]  ? ___sys_sendmsg (net/socket.c:2767)
[   49.365265][ T1392]  ? __sys_sendmsg (net/socket.c:2799)
[   49.365266][ T1392]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.365270][ T1392]  _printk (kernel/printk/printk.c:2504)
[   49.365273][ T1392]  ? snapshot_read.cold (user.c:?)
[   49.365275][ T1392]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   49.365278][ T1392]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   49.365280][ T1392]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   49.365282][ T1392]  ? netdev_notice (net/core/dev.c:13194)
[   49.365283][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365285][ T1392]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   49.365287][ T1392]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   49.365289][ T1392]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   49.365291][ T1392]  ? 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)
[   49.365293][ T1392]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   49.365296][ T1392]  dev_set_allmulti (net/core/dev_api.c:315)
[   49.365299][ T1392] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   49.365311][ T1392]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   49.365315][ T1392]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   49.365317][ T1392] br_del_if (net/bridge/br_if.c:732) bridge
[   49.365324][ T1392]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   49.365326][ T1392]  do_set_master (net/core/rtnetlink.c:3055)
[   49.365329][ T1392]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   49.365331][ T1392]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   49.365334][ T1392]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   49.365335][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365337][ T1392]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   49.365340][ T1392]  ? kasan_save_stack (mm/kasan/common.c:58)
[   49.365343][ T1392]  ? kasan_save_stack (mm/kasan/common.c:57)
[   49.365344][ T1392]  ? kasan_save_track (mm/kasan/common.c:78)
[   49.365345][ T1392]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   49.365347][ T1392]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   49.365348][ T1392]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   49.365350][ T1392]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.365351][ T1392]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.365352][ T1392]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.365353][ T1392]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.365355][ T1392]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   49.365356][ T1392]  ? ___sys_sendmsg (net/socket.c:2767)
[   49.365357][ T1392]  ? __sys_sendmsg (net/socket.c:2799)
[   49.365359][ T1392]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.365360][ T1392]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.365362][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365364][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.365365][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365367][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365369][ T1392]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   49.365371][ T1392]  ? __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)
[   49.365373][ T1392]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   49.365374][ T1392]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   49.365376][ T1392]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   49.365377][ T1392]  ? nla_get_range_signed (lib/nlattr.c:270)
[   49.365379][ T1392]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   49.365381][ T1392]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   49.365383][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365385][ T1392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.365386][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.365387][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365389][ T1392]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   49.365391][ T1392]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   49.365393][ T1392]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   49.365394][ T1392]  ? __kernel_text_address (kernel/extable.c:79)
[   49.365395][ T1392]  ? write_profile (profile.c:?)
[   49.365396][ T1392]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   49.365399][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365400][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365402][ T1392]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   49.365405][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.365407][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365409][ T1392]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   49.365410][ T1392]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   49.365411][ T1392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.365413][ T1392]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   49.365414][ T1392]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   49.365417][ T1392]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   49.365418][ T1392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   49.365419][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.365421][ T1392]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   49.365422][ T1392]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   49.365424][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365431][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.365433][ T1392]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   49.365435][ T1392]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   49.365436][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365438][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365440][ T1392]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   49.365441][ T1392]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   49.365443][ T1392]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   49.365445][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365447][ T1392]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   49.365449][ T1392]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   49.365450][ T1392]  ? copy_msghdr_from_user (net/socket.c:2650)
[   49.365452][ T1392]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   49.365453][ T1392]  ? move_addr_to_kernel (net/socket.c:258)
[   49.365455][ T1392]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   49.365457][ T1392]  ___sys_sendmsg (net/socket.c:2767)
[   49.365459][ T1392]  ? copy_msghdr_from_user (net/socket.c:2619)
[   49.365463][ T1392]  __sys_sendmsg (net/socket.c:2799)
[   49.365465][ T1392]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   49.365468][ T1392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   49.365470][ T1392]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   49.365471][ T1392]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   49.365473][ T1392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   49.365475][ T1392] RIP: 0033:0x7f7b56a9d54e
[   49.365477][ T1392] 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
[   49.365479][ T1392] RSP: 002b:00007ffe39adb450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   49.365483][ T1392] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7b56a9d54e
[   49.365484][ T1392] RDX: 0000000000000000 RSI: 00007ffe39adb500 RDI: 0000000000000005
[   49.365485][ T1392] RBP: 00007ffe39adb460 R08: 0000000000000000 R09: 0000000000000000
[   49.365486][ T1392] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e50
[   49.365487][ T1392] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe39adbbc0
| [   64.717068][ T1905] softirqs last disabled at (0): 0x0
| [   64.717070][ T1905] Preemption disabled at:
| [   64.717071][ T1905] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.717082][ T1905] Tainted: [W]=WARN
[   64.717083][ T1905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.717084][ T1905] Call Trace:
[   64.717085][ T1905]  <TASK>
[   64.717087][ T1905]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.717092][ T1905]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.717094][ T1905]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.717097][ T1905]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.717100][ T1905]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   64.717103][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717107][ T1905]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   64.717110][ T1905]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.717113][ T1905]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.717117][ T1905]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   64.717118][ T1905]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.717120][ T1905]  put_chars (drivers/char/virtio_console.c:1176)
[   64.717122][ T1905]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.717124][ T1905]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   64.717127][ T1905]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.717130][ T1905]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.717131][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717133][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.717135][ T1905]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.717138][ T1905]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.717139][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717141][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717143][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717144][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.717146][ T1905]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   64.717148][ T1905]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.717150][ T1905]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.717153][ T1905]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.717155][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.717156][ T1905]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.717158][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717160][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.717161][ T1905]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   64.717163][ T1905]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   64.717165][ T1905]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.717167][ T1905]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.717169][ T1905]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.717171][ T1905]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.717173][ T1905]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.717176][ T1905]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.717179][ T1905]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.717180][ T1905]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   64.717183][ T1905]  ? ___sys_sendmsg (net/socket.c:2767)
[   64.717188][ T1905]  ? __sys_sendmsg (net/socket.c:2799)
[   64.717189][ T1905]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.717193][ T1905]  _printk (kernel/printk/printk.c:2504)
[   64.717196][ T1905]  ? snapshot_read.cold (user.c:?)
[   64.717198][ T1905]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   64.717201][ T1905]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   64.717203][ T1905]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   64.717205][ T1905]  ? netdev_notice (net/core/dev.c:13194)
[   64.717207][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717209][ T1905]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   64.717210][ T1905]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   64.717213][ T1905]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   64.717214][ T1905]  ? 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)
[   64.717216][ T1905]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   64.717219][ T1905]  dev_set_allmulti (net/core/dev_api.c:315)
[   64.717222][ T1905] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   64.717235][ T1905]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   64.717239][ T1905]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   64.717242][ T1905] br_del_if (net/bridge/br_if.c:732) bridge
[   64.717249][ T1905]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   64.717251][ T1905]  do_set_master (net/core/rtnetlink.c:3055)
[   64.717254][ T1905]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   64.717256][ T1905]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   64.717259][ T1905]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   64.717260][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717262][ T1905]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   64.717265][ T1905]  ? kasan_save_stack (mm/kasan/common.c:58)
[   64.717268][ T1905]  ? kasan_save_stack (mm/kasan/common.c:57)
[   64.717270][ T1905]  ? kasan_save_track (mm/kasan/common.c:78)
[   64.717271][ T1905]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   64.717273][ T1905]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   64.717274][ T1905]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   64.717275][ T1905]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.717276][ T1905]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.717278][ T1905]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.717279][ T1905]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.717280][ T1905]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   64.717282][ T1905]  ? ___sys_sendmsg (net/socket.c:2767)
[   64.717283][ T1905]  ? __sys_sendmsg (net/socket.c:2799)
[   64.717284][ T1905]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.717286][ T1905]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.717288][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717290][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.717291][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717293][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717294][ T1905]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   64.717296][ T1905]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   64.717299][ T1905]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   64.717300][ T1905]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   64.717302][ T1905]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   64.717303][ T1905]  ? nla_get_range_signed (lib/nlattr.c:270)
[   64.717305][ T1905]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   64.717307][ T1905]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.717309][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717311][ T1905]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.717312][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.717314][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717316][ T1905]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   64.717317][ T1905]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   64.717319][ T1905]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   64.717320][ T1905]  ? __kernel_text_address (kernel/extable.c:79)
[   64.717322][ T1905]  ? write_profile (profile.c:?)
[   64.717323][ T1905]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   64.717325][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717327][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717329][ T1905]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   64.717332][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.717334][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717335][ T1905]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.717337][ T1905]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.717338][ T1905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.717340][ T1905]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   64.717341][ T1905]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   64.717344][ T1905]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.717345][ T1905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.717346][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.717348][ T1905]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.717349][ T1905]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   64.717352][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717353][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.717355][ T1905]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.717357][ T1905]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.717359][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717360][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717362][ T1905]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.717364][ T1905]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.717366][ T1905]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.717368][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717370][ T1905]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.717372][ T1905]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   64.717373][ T1905]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.717375][ T1905]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   64.717376][ T1905]  ? move_addr_to_kernel (net/socket.c:258)
[   64.717378][ T1905]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   64.717380][ T1905]  ___sys_sendmsg (net/socket.c:2767)
[   64.717382][ T1905]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.717387][ T1905]  __sys_sendmsg (net/socket.c:2799)
[   64.717389][ T1905]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.717392][ T1905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.717394][ T1905]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.717395][ T1905]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.717397][ T1905]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.717399][ T1905] RIP: 0033:0x7f741e77554e
[   64.717401][ T1905] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   64.717403][ T1905] RSP: 002b:00007fff6de32a80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.717406][ T1905] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f741e77554e
[   64.717408][ T1905] RDX: 0000000000000000 RSI: 00007fff6de32b30 RDI: 0000000000000005
[   64.717409][ T1905] RBP: 00007fff6de32a90 R08: 0000000000000000 R09: 0000000000000000
[   64.717409][ T1905] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e60
[   64.717410][ T1905] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6de331f0
| [   82.420179][ T2442] softirqs last disabled at (0): 0x0
| [   82.420181][ T2442] Preemption disabled at:
| [   82.420182][ T2442] vprintk_emit (kernel/printk/printk.c:2471)
| [   82.420196][ T2442] Tainted: [W]=WARN
[   82.420197][ T2442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.420198][ T2442] Call Trace:
[   82.420200][ T2442]  <TASK>
[   82.420201][ T2442]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   82.420207][ T2442]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   82.420208][ T2442]  __might_resched.cold (kernel/sched/core.c:9234)
[   82.420212][ T2442]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   82.420215][ T2442]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   82.420218][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420222][ T2442]  __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))
[   82.420225][ T2442]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   82.420228][ T2442]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.420232][ T2442]  ? 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)
[   82.420233][ T2442]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.420235][ T2442]  put_chars (drivers/char/virtio_console.c:1176)
[   82.420237][ T2442]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   82.420239][ T2442]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   82.420241][ T2442]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   82.420244][ T2442]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   82.420245][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420247][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.420249][ T2442]  console_emit_next_record (kernel/printk/printk.c:3183)
[   82.420252][ T2442]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   82.420254][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420255][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420257][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420258][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.420260][ T2442]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   82.420262][ T2442]  console_flush_one_record (kernel/printk/printk.c:3268)
[   82.420264][ T2442]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   82.420267][ T2442]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   82.420269][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.420270][ T2442]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   82.420272][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420273][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.420275][ T2442]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   82.420276][ T2442]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   82.420278][ T2442]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   82.420280][ T2442]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   82.420282][ T2442]  vprintk_emit (kernel/printk/printk.c:2479)
[   82.420284][ T2442]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   82.420286][ T2442]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   82.420289][ T2442]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.420292][ T2442]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   82.420293][ T2442]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   82.420296][ T2442]  ? ___sys_sendmsg (net/socket.c:2767)
[   82.420298][ T2442]  ? __sys_sendmsg (net/socket.c:2799)
[   82.420300][ T2442]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   82.420303][ T2442]  _printk (kernel/printk/printk.c:2504)
[   82.420306][ T2442]  ? snapshot_read.cold (user.c:?)
[   82.420309][ T2442]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   82.420312][ T2442]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   82.420313][ T2442]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   82.420315][ T2442]  ? netdev_notice (net/core/dev.c:13194)
[   82.420317][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420319][ T2442]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   82.420320][ T2442]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   82.420323][ T2442]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   82.420324][ T2442]  ? 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)
[   82.420327][ T2442]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   82.420330][ T2442]  dev_set_allmulti (net/core/dev_api.c:315)
[   82.420333][ T2442] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   82.420345][ T2442]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   82.420349][ T2442]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   82.420351][ T2442] br_del_if (net/bridge/br_if.c:732) bridge
[   82.420358][ T2442]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   82.420361][ T2442]  do_set_master (net/core/rtnetlink.c:3055)
[   82.420363][ T2442]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   82.420365][ T2442]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   82.420368][ T2442]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   82.420369][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420371][ T2442]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   82.420375][ T2442]  ? kasan_save_stack (mm/kasan/common.c:58)
[   82.420377][ T2442]  ? kasan_save_stack (mm/kasan/common.c:57)
[   82.420379][ T2442]  ? kasan_save_track (mm/kasan/common.c:78)
[   82.420380][ T2442]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   82.420382][ T2442]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   82.420383][ T2442]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   82.420384][ T2442]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   82.420385][ T2442]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   82.420387][ T2442]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.420388][ T2442]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   82.420389][ T2442]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   82.420391][ T2442]  ? ___sys_sendmsg (net/socket.c:2767)
[   82.420392][ T2442]  ? __sys_sendmsg (net/socket.c:2799)
[   82.420393][ T2442]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   82.420394][ T2442]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.420397][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420398][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.420400][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420401][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420403][ T2442]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   82.420405][ T2442]  ? __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)
[   82.420407][ T2442]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   82.420408][ T2442]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   82.420410][ T2442]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   82.420411][ T2442]  ? nla_get_range_signed (lib/nlattr.c:270)
[   82.420413][ T2442]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   82.420415][ T2442]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   82.420417][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420419][ T2442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   82.420420][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.420421][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420424][ T2442]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   82.420425][ T2442]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   82.420427][ T2442]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   82.420428][ T2442]  ? __kernel_text_address (kernel/extable.c:79)
[   82.420429][ T2442]  ? write_profile (profile.c:?)
[   82.420430][ T2442]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   82.420433][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420435][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420436][ T2442]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   82.420440][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.420441][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420443][ T2442]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   82.420444][ T2442]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   82.420446][ T2442]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.420447][ T2442]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   82.420448][ T2442]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   82.420451][ T2442]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   82.420452][ T2442]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.420454][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.420455][ T2442]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.420456][ T2442]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   82.420459][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420461][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.420462][ T2442]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.420464][ T2442]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.420466][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420468][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420469][ T2442]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.420471][ T2442]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   82.420473][ T2442]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   82.420475][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420477][ T2442]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.420478][ T2442]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   82.420480][ T2442]  ? copy_msghdr_from_user (net/socket.c:2650)
[   82.420482][ T2442]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   82.420483][ T2442]  ? move_addr_to_kernel (net/socket.c:258)
[   82.420484][ T2442]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   82.420487][ T2442]  ___sys_sendmsg (net/socket.c:2767)
[   82.420488][ T2442]  ? copy_msghdr_from_user (net/socket.c:2619)
[   82.420493][ T2442]  __sys_sendmsg (net/socket.c:2799)
[   82.420495][ T2442]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   82.420498][ T2442]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.420500][ T2442]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   82.420501][ T2442]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   82.420503][ T2442]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.420505][ T2442] RIP: 0033:0x7fa4a2b2c54e
[   82.420507][ T2442] 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
[   82.420508][ T2442] RSP: 002b:00007ffe33dfc910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.420513][ T2442] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa4a2b2c54e
[   82.420514][ T2442] RDX: 0000000000000000 RSI: 00007ffe33dfc9c0 RDI: 0000000000000005
[   82.420515][ T2442] RBP: 00007ffe33dfc920 R08: 0000000000000000 R09: 0000000000000000
[   82.420515][ T2442] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e71
[   82.420516][ T2442] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe33dfd080
| [   89.783275][ T2602] softirqs last disabled at (0): 0x0
| [   89.783277][ T2602] Preemption disabled at:
| [   89.783278][ T2602] vprintk_emit (kernel/printk/printk.c:2471)
| [   89.783289][ T2602] Tainted: [W]=WARN
[   89.783290][ T2602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.783292][ T2602] Call Trace:
[   89.783294][ T2602]  <TASK>
[   89.783295][ T2602]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   89.783300][ T2602]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   89.783302][ T2602]  __might_resched.cold (kernel/sched/core.c:9234)
[   89.783306][ T2602]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   89.783309][ T2602]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   89.783312][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783316][ T2602]  __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))
[   89.783319][ T2602]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   89.783322][ T2602]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.783326][ T2602]  ? 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)
[   89.783327][ T2602]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   89.783330][ T2602]  put_chars (drivers/char/virtio_console.c:1176)
[   89.783332][ T2602]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   89.783334][ T2602]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   89.783336][ T2602]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   89.783340][ T2602]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   89.783341][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783343][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.783345][ T2602]  console_emit_next_record (kernel/printk/printk.c:3183)
[   89.783348][ T2602]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   89.783350][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783352][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783353][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783355][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.783357][ T2602]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   89.783359][ T2602]  console_flush_one_record (kernel/printk/printk.c:3268)
[   89.783362][ T2602]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   89.783365][ T2602]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   89.783366][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.783368][ T2602]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   89.783370][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783372][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.783373][ T2602]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   89.783375][ T2602]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   89.783377][ T2602]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   89.783379][ T2602]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   89.783381][ T2602]  vprintk_emit (kernel/printk/printk.c:2479)
[   89.783383][ T2602]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   89.783385][ T2602]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.783389][ T2602]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.783391][ T2602]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.783393][ T2602]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   89.783396][ T2602]  ? ___sys_sendmsg (net/socket.c:2767)
[   89.783397][ T2602]  ? __sys_sendmsg (net/socket.c:2799)
[   89.783399][ T2602]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.783403][ T2602]  _printk (kernel/printk/printk.c:2504)
[   89.783406][ T2602]  ? snapshot_read.cold (user.c:?)
[   89.783409][ T2602]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   89.783412][ T2602]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   89.783414][ T2602]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   89.783416][ T2602]  ? netdev_notice (net/core/dev.c:13194)
[   89.783418][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783420][ T2602]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   89.783421][ T2602]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   89.783424][ T2602]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   89.783425][ T2602]  ? 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)
[   89.783428][ T2602]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   89.783431][ T2602]  dev_set_allmulti (net/core/dev_api.c:315)
[   89.783434][ T2602] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   89.783447][ T2602]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   89.783451][ T2602]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   89.783454][ T2602] br_del_if (net/bridge/br_if.c:732) bridge
[   89.783462][ T2602]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.783464][ T2602]  do_set_master (net/core/rtnetlink.c:3055)
[   89.783467][ T2602]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   89.783470][ T2602]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   89.783472][ T2602]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   89.783474][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783475][ T2602]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   89.783479][ T2602]  ? kasan_save_stack (mm/kasan/common.c:58)
[   89.783482][ T2602]  ? kasan_save_stack (mm/kasan/common.c:57)
[   89.783484][ T2602]  ? kasan_save_track (mm/kasan/common.c:78)
[   89.783485][ T2602]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   89.783487][ T2602]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   89.783489][ T2602]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   89.783490][ T2602]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.783491][ T2602]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.783493][ T2602]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.783494][ T2602]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.783495][ T2602]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   89.783497][ T2602]  ? ___sys_sendmsg (net/socket.c:2767)
[   89.783498][ T2602]  ? __sys_sendmsg (net/socket.c:2799)
[   89.783500][ T2602]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.783501][ T2602]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.783504][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783506][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.783508][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783509][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783511][ T2602]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   89.783514][ T2602]  ? __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)
[   89.783516][ T2602]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   89.783517][ T2602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   89.783519][ T2602]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   89.783520][ T2602]  ? nla_get_range_signed (lib/nlattr.c:270)
[   89.783523][ T2602]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   89.783525][ T2602]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   89.783527][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783529][ T2602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.783530][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.783532][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783534][ T2602]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   89.783536][ T2602]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   89.783538][ T2602]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   89.783539][ T2602]  ? __kernel_text_address (kernel/extable.c:79)
[   89.783540][ T2602]  ? write_profile (profile.c:?)
[   89.783542][ T2602]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   89.783544][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783546][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783548][ T2602]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   89.783551][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.783553][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783555][ T2602]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   89.783556][ T2602]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   89.783563][ T2602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.783564][ T2602]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.783566][ T2602]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   89.783569][ T2602]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   89.783570][ T2602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.783572][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.783574][ T2602]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.783575][ T2602]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   89.783578][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783580][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.783582][ T2602]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.783584][ T2602]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.783585][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783587][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783589][ T2602]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   89.783591][ T2602]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   89.783593][ T2602]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   89.783595][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783597][ T2602]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   89.783599][ T2602]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   89.783601][ T2602]  ? copy_msghdr_from_user (net/socket.c:2650)
[   89.783603][ T2602]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   89.783604][ T2602]  ? move_addr_to_kernel (net/socket.c:258)
[   89.783606][ T2602]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   89.783608][ T2602]  ___sys_sendmsg (net/socket.c:2767)
[   89.783610][ T2602]  ? copy_msghdr_from_user (net/socket.c:2619)
[   89.783616][ T2602]  __sys_sendmsg (net/socket.c:2799)
[   89.783618][ T2602]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   89.783620][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   89.783623][ T2602]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   89.783624][ T2602]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   89.783626][ T2602]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.783628][ T2602] RIP: 0033:0x7fed5315254e
[   89.783630][ T2602] 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
[   89.783632][ T2602] RSP: 002b:00007ffeb3f88f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.783636][ T2602] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fed5315254e
[   89.783637][ T2602] RDX: 0000000000000000 RSI: 00007ffeb3f89010 RDI: 0000000000000005
[   89.783638][ T2602] RBP: 00007ffeb3f88f70 R08: 0000000000000000 R09: 0000000000000000
[   89.783639][ T2602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e79


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
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