======================================
| [   10.609208][  T230] softirqs last disabled at (24401): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.609210][  T230] Preemption disabled at:
| [   10.609211][  T230] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.609220][  T230] Tainted: [W]=WARN
[   10.609221][  T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.609223][  T230] Call Trace:
[   10.609225][  T230]  <TASK>
[   10.609226][  T230]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.609232][  T230]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.609234][  T230]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.609239][  T230]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.609243][  T230]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.609248][  T230]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.609250][  T230]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.609256][  T230]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.609259][  T230]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.609262][  T230]  put_chars (drivers/char/virtio_console.c:1176)
[   10.609265][  T230]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.609266][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.609271][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.609274][  T230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.609278][  T230]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.609281][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.609286][  T230]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.609289][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.609294][  T230]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.609298][  T230]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.609299][  T230]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.609303][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.609305][  T230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.609309][  T230]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.609313][  T230]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.609315][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.609320][  T230]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.609323][  T230]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.609325][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.609327][  T230]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.609331][  T230]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.609333][  T230]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.609336][  T230]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.609340][  T230]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.609346][  T230]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.609350][  T230]  _printk (kernel/printk/printk.c:2504)
[   10.609354][  T230]  ? snapshot_read.cold (user.c:?)
[   10.609361][  T230]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   10.609364][  T230] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   10.609367][  T230]  do_one_initcall (init/main.c:1357)
[   10.609369][  T230]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.609374][  T230]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.609377][  T230]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.609382][  T230]  do_init_module (kernel/module/main.c:3117)
[   10.609386][  T230]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.609390][  T230]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.609394][  T230]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.609398][  T230]  load_module (kernel/module/main.c:3593)
[   10.609405][  T230]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.609409][  T230]  ? __ia32_sys_fsconfig (??:?)
[   10.609412][  T230]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.609416][  T230]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.609419][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.609423][  T230]  init_module_from_file (kernel/module/main.c:3790)
[   10.609426][  T230]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.609434][  T230]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.609438][  T230]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.609441][  T230]  idempotent_init_module (kernel/module/main.c:3802)
[   10.609444][  T230]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.609451][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.609453][  T230]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.609459][  T230]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.609461][  T230]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.609465][  T230]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.609467][  T230]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.609470][  T230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.609472][  T230] RIP: 0033:0x7f798cf2537d
[   10.609476][  T230] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.609477][  T230] RSP: 002b:00007ffcae5676b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.609480][  T230] RAX: ffffffffffffffda RBX: 0000559c0f89b810 RCX: 00007f798cf2537d
[   10.609482][  T230] RDX: 0000000000000000 RSI: 0000559bff33effd RDI: 0000000000000000
[   10.609482][  T230] RBP: 00007ffcae567750 R08: 0000000000000000 R09: 0000000000000000
[   10.609483][  T230] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559bff33effd
[   10.609484][  T230] R13: 0000559c0f89b960 R14: 0000000000040000 R15: 0000000000000000
| [   11.647529][  T268] softirqs last disabled at (14908): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.647532][  T268] Preemption disabled at:
| [   11.647533][  T268] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.647542][  T268] Tainted: [W]=WARN
[   11.647543][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.647545][  T268] Call Trace:
[   11.647546][  T268]  <TASK>
[   11.647548][  T268]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.647554][  T268]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.647557][  T268]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.647561][  T268]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.647566][  T268]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.647571][  T268]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.647574][  T268]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.647579][  T268]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.647582][  T268]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.647586][  T268]  put_chars (drivers/char/virtio_console.c:1176)
[   11.647588][  T268]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.647593][  T268]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.647597][  T268]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.647599][  T268]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.647601][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.647603][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.647607][  T268]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.647609][  T268]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.647613][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.647617][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.647621][  T268]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.647625][  T268]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.647627][  T268]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.647630][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.647632][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.647637][  T268]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.647641][  T268]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.647643][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.647648][  T268]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.647651][  T268]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.647653][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.647655][  T268]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.647659][  T268]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.647661][  T268]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.647665][  T268]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.647668][  T268]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.647671][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.647673][  T268]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.647677][  T268]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.647681][  T268]  _printk (kernel/printk/printk.c:2504)
[   11.647684][  T268]  ? snapshot_read.cold (user.c:?)
[   11.647688][  T268]  ? br_multicast_flood (??:?) bridge
[   11.647701][  T268]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.647703][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.647704][  T268]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.647709][  T268] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.647719][  T268] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.647734][  T268] new_nbp (net/bridge/br_if.c:449) bridge
[   11.647743][  T268] br_add_if (net/bridge/br_if.c:592) bridge
[   11.647751][  T268]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.647755][  T268]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.647758][  T268]  ? __kernel_text_address (kernel/extable.c:79)
[   11.647762][  T268]  do_set_master (net/core/rtnetlink.c:3071)
[   11.647767][  T268]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.647770][  T268]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.647773][  T268]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.647775][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.647777][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.647781][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.647784][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.647786][  T268]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.647788][  T268]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.647791][  T268]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.647793][  T268]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.647796][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.647798][  T268]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   11.647801][  T268]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.647805][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.647807][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.647810][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.647812][  T268]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.647814][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.647816][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.647818][  T268]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.647822][  T268]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.647824][  T268]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.647826][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.647830][  T268]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.647831][  T268]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.647837][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.647842][  T268]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.647847][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.647849][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.647853][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.647855][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.647858][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.647859][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.647863][  T268]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.647865][  T268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.647868][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.647870][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.647874][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.647876][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.647880][  T268]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.647881][  T268]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.647884][  T268]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.647890][  T268]  ? 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))
[   11.647892][  T268]  ? 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))
[   11.647896][  T268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.647900][  T268]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.647903][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.647907][  T268]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.647911][  T268]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.647915][  T268]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.647920][  T268]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.647922][  T268]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.647925][  T268]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.647926][  T268]  ? move_addr_to_kernel (net/socket.c:258)
[   11.647934][  T268]  ___sys_sendmsg (net/socket.c:2767)
[   11.647937][  T268]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.647953][  T268]  __sys_sendmsg (net/socket.c:2799)
[   11.647956][  T268]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.647963][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.647967][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.647969][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.647972][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.647974][  T268] RIP: 0033:0x7f40f99a354e
[   11.647978][  T268] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.647980][  T268] RSP: 002b:00007ffc9e058e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.647983][  T268] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f40f99a354e
[   11.647984][  T268] RDX: 0000000000000000 RSI: 00007ffc9e058f30 RDI: 0000000000000005
[   11.647985][  T268] RBP: 00007ffc9e058e90 R08: 0000000000000000 R09: 0000000000000000
[   11.647986][  T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6ba
[   11.647987][  T268] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9e0595f0
| [   27.021174][    C2] softirqs last disabled at (1010263): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   27.021175][    C2] Preemption disabled at:
| [   27.021176][    C2] 0x0
| [   27.021186][    C2] Tainted: [W]=WARN
[   27.021187][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.021188][    C2] Call Trace:
[   27.021190][    C2]  <IRQ>
[   27.021192][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.021197][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.021201][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.021203][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.021207][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.021210][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.021214][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.021217][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.021219][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.021222][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.021224][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.021226][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   27.021228][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.021230][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.021233][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.021237][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.021238][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.021240][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.021242][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.021245][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.021247][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.021249][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.021251][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.021253][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.021254][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.021257][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.021260][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.021261][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.021263][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.021264][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.021266][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.021268][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.021269][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.021271][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.021274][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.021276][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.021278][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.021290][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.021291][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.021298][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.021304][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   27.021308][    C2]  _printk (kernel/printk/printk.c:2504)
[   27.021312][    C2]  ? snapshot_read.cold (user.c:?)
[   27.021313][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   27.021317][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.021320][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.021321][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.021323][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.021326][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.021328][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.021330][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.021332][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.021334][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.021341][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.021343][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.021344][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.021351][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.021353][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.021360][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.021367][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.021373][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.021376][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.021378][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.021382][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.021383][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.021385][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.021388][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.021390][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.021397][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.021399][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.021401][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.021404][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.021406][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.021408][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.021410][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.021412][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.021414][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.021415][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.021417][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.021419][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.021421][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.021423][    C2]  </IRQ>
[   27.021424][    C2]  <TASK>
[   27.021424][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.021426][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.021428][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.021431][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   27.021433][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.021436][    C2] RAX: 00000000000f6a55 RBX: ff11000001bec6c0 RCX: ffffffff96af0307
[   27.021438][    C2] RDX: ff11000001bec6c0 RSI: ffffffff99838af6 RDI: ffffffff9928d8e0
[   27.021438][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.021439][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.021440][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.021442][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.021445][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.021447][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.021449][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.021450][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.021452][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.021454][    C2]  ? default_idle_call (kernel/sched/idle.c:129)
[   27.021456][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.021458][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.021460][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.021461][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.021463][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.021465][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.082871][    C2]
| [   27.082943][    C2]
| [   27.082943][    C2] stack backtrace:
| [   27.083176][    C2] Tainted: [W]=WARN
[   27.083177][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.083178][    C2] Call Trace:
[   27.083179][    C2]  <IRQ>
[   27.083181][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.083185][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.083188][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.083191][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.083193][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.083195][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.083197][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.083199][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.083207][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.083210][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.083212][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.083219][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.083221][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.083227][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.083233][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.083239][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.083242][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.083244][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.083248][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.083249][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.083251][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.083254][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.083255][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.083262][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.083264][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.083267][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.083270][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.083272][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.083273][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.083276][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.083277][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.083280][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.083281][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.083283][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.083285][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.083286][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.083288][    C2]  </IRQ>
[   27.083288][    C2]  <TASK>
[   27.083289][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.083291][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.083293][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.083295][    C2] Code: 48 8b 3d 94 d2 f5 01 e8 1f 00 00 00 48 2b 05 58 93 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 86 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 d2 f5 01 	mov    0x1f5d294(%rip),%rdi        # 0x1f5d29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 93 95 00 	sub    0x959358(%rip),%rax        # 0x95936b
  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 86 11 00 	verw   0x118613(%rip)        # 0x11863b
  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
[   27.083297][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.083299][    C2] RAX: 00000000000f6a55 RBX: ff11000001bec6c0 RCX: ffffffff96af0307
[   27.083300][    C2] RDX: ff11000001bec6c0 RSI: ffffffff99838af6 RDI: ffffffff9928d8e0
[   27.083301][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.083302][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.083303][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.083305][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.083307][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.083309][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.083311][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.083312][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.083314][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.083315][    C2]  ? default_idle_call (kernel/sched/idle.c:129)
[   27.083317][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.083319][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.083321][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.083322][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.083324][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.083326][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   50.860920][ T2058] softirqs last disabled at (0): 0x0
| [   50.860922][ T2058] Preemption disabled at:
| [   50.860923][ T2058] 0x0
| [   50.860931][ T2058] Tainted: [W]=WARN
[   50.860932][ T2058] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   50.860934][ T2058] Call Trace:
[   50.860935][ T2058]  <TASK>
[   50.860936][ T2058]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   50.860942][ T2058]  __might_resched.cold (kernel/sched/core.c:9234)
[   50.860946][ T2058]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   50.860951][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.860955][ T2058]  __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))
[   50.860959][ T2058]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   50.860961][ T2058]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.860965][ T2058]  ? 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)
[   50.860967][ T2058]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   50.860969][ T2058]  put_chars (drivers/char/virtio_console.c:1176)
[   50.860971][ T2058]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   50.860973][ T2058]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   50.860976][ T2058]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   50.860979][ T2058]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   50.860982][ T2058]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   50.860983][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.860985][ T2058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.860987][ T2058]  console_emit_next_record (kernel/printk/printk.c:3183)
[   50.860990][ T2058]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   50.860992][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.860993][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.860995][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.860997][ T2058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.860999][ T2058]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   50.861001][ T2058]  console_flush_one_record (kernel/printk/printk.c:3268)
[   50.861003][ T2058]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   50.861006][ T2058]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   50.861008][ T2058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.861009][ T2058]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   50.861011][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861013][ T2058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.861020][ T2058]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   50.861022][ T2058]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   50.861024][ T2058]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   50.861026][ T2058]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   50.861028][ T2058]  vprintk_emit (kernel/printk/printk.c:2479)
[   50.861030][ T2058]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   50.861032][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861034][ T2058]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.861036][ T2058]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   50.861038][ T2058]  _printk (kernel/printk/printk.c:2504)
[   50.861041][ T2058]  ? snapshot_read.cold (user.c:?)
[   50.861044][ T2058]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   50.861049][ T2058] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   50.861063][ T2058] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   50.861071][ T2058] br_device_event (net/bridge/br.c:111) bridge
[   50.861083][ T2058]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   50.861086][ T2058]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   50.861089][ T2058]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   50.861092][ T2058]  notifier_call_chain (kernel/notifier.c:85)
[   50.861096][ T2058]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   50.861100][ T2058]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   50.861101][ T2058]  ? netif_change_name (net/core/dev.c:1517)
[   50.861103][ T2058]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   50.861105][ T2058]  ? __kernel_text_address (kernel/extable.c:79)
[   50.861107][ T2058]  ? write_profile (profile.c:?)
[   50.861110][ T2058]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.861113][ T2058]  netif_change_flags (net/core/dev.c:9882)
[   50.861115][ T2058]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   50.861118][ T2058]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   50.861120][ T2058]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   50.861121][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861123][ T2058]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   50.861127][ T2058]  ? kasan_save_stack (mm/kasan/common.c:58)
[   50.861130][ T2058]  ? kasan_save_stack (mm/kasan/common.c:57)
[   50.861131][ T2058]  ? kasan_save_track (mm/kasan/common.c:78)
[   50.861133][ T2058]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   50.861136][ T2058]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   50.861139][ T2058]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   50.861141][ T2058]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.861143][ T2058]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.861147][ T2058]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.861149][ T2058]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.861150][ T2058]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.861153][ T2058]  ? ___sys_sendmsg (net/socket.c:2767)
[   50.861154][ T2058]  ? __sys_sendmsg (net/socket.c:2799)
[   50.861156][ T2058]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.861158][ T2058]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.861161][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861163][ T2058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.861164][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861166][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861168][ T2058]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   50.861171][ T2058]  ? __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)
[   50.861173][ T2058]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   50.861174][ T2058]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   50.861176][ T2058]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   50.861178][ T2058]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   50.861180][ T2058]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   50.861182][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861184][ T2058]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.861185][ T2058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.861187][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861189][ T2058]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   50.861192][ T2058]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   50.861194][ T2058]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   50.861196][ T2058]  ? __kernel_text_address (kernel/extable.c:79)
[   50.861197][ T2058]  ? write_profile (profile.c:?)
[   50.861198][ T2058]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   50.861199][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861201][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861203][ T2058]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   50.861207][ T2058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.861208][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861210][ T2058]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   50.861211][ T2058]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   50.861213][ T2058]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.861214][ T2058]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   50.861216][ T2058]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   50.861218][ T2058]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   50.861220][ T2058]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   50.861221][ T2058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.861223][ T2058]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   50.861224][ T2058]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   50.861226][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861228][ T2058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.861230][ T2058]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   50.861232][ T2058]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   50.861234][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861236][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861237][ T2058]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   50.861239][ T2058]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   50.861241][ T2058]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   50.861243][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861245][ T2058]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   50.861247][ T2058]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   50.861249][ T2058]  ? copy_msghdr_from_user (net/socket.c:2650)
[   50.861250][ T2058]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   50.861252][ T2058]  ? move_addr_to_kernel (net/socket.c:258)
[   50.861253][ T2058]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   50.861256][ T2058]  ___sys_sendmsg (net/socket.c:2767)
[   50.861258][ T2058]  ? copy_msghdr_from_user (net/socket.c:2619)
[   50.861263][ T2058]  __sys_sendmsg (net/socket.c:2799)
[   50.861265][ T2058]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   50.861268][ T2058]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   50.861270][ T2058]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   50.861271][ T2058]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   50.861273][ T2058]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   50.861275][ T2058] RIP: 0033:0x7f7240daa54e
[   50.861277][ T2058] 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
[   50.861278][ T2058] RSP: 002b:00007ffe4de1a2b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   50.861282][ T2058] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7240daa54e
[   50.861284][ T2058] RDX: 0000000000000000 RSI: 00007ffe4de1a360 RDI: 0000000000000005
[   50.861285][ T2058] RBP: 00007ffe4de1a2c0 R08: 0000000000000000 R09: 0000000000000000
[   50.861286][ T2058] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a6e1
[   50.861286][ T2058] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4de1aa20
| [   88.378578][ T3881] softirqs last disabled at (0): 0x0
| [   88.378580][ T3881] Preemption disabled at:
| [   88.378581][ T3881] 0x0
| [   88.378589][ T3881] Tainted: [W]=WARN
[   88.378590][ T3881] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.378592][ T3881] Call Trace:
[   88.378593][ T3881]  <TASK>
[   88.378595][ T3881]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   88.378601][ T3881]  __might_resched.cold (kernel/sched/core.c:9234)
[   88.378605][ T3881]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   88.378608][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378612][ T3881]  __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))
[   88.378616][ T3881]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.378619][ T3881]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.378623][ T3881]  ? 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)
[   88.378624][ T3881]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   88.378626][ T3881]  put_chars (drivers/char/virtio_console.c:1176)
[   88.378629][ T3881]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   88.378631][ T3881]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   88.378634][ T3881]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   88.378637][ T3881]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   88.378640][ T3881]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   88.378641][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378643][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.378645][ T3881]  console_emit_next_record (kernel/printk/printk.c:3183)
[   88.378648][ T3881]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   88.378650][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378652][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378653][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378655][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.378657][ T3881]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   88.378659][ T3881]  console_flush_one_record (kernel/printk/printk.c:3268)
[   88.378661][ T3881]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   88.378664][ T3881]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   88.378665][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.378667][ T3881]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   88.378669][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378670][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.378672][ T3881]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   88.378673][ T3881]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   88.378675][ T3881]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   88.378677][ T3881]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   88.378679][ T3881]  vprintk_emit (kernel/printk/printk.c:2479)
[   88.378682][ T3881]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   88.378684][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378685][ T3881]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.378688][ T3881]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   88.378690][ T3881]  _printk (kernel/printk/printk.c:2504)
[   88.378693][ T3881]  ? snapshot_read.cold (user.c:?)
[   88.378695][ T3881]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[   88.378700][ T3881] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   88.378713][ T3881] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   88.378721][ T3881] br_device_event (net/bridge/br.c:111) bridge
[   88.378730][ T3881]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   88.378734][ T3881]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   88.378736][ T3881]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   88.378739][ T3881]  notifier_call_chain (kernel/notifier.c:85)
[   88.378742][ T3881]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   88.378746][ T3881]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.378748][ T3881]  ? netif_change_name (net/core/dev.c:1517)
[   88.378750][ T3881]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   88.378752][ T3881]  ? __kernel_text_address (kernel/extable.c:79)
[   88.378754][ T3881]  ? write_profile (profile.c:?)
[   88.378756][ T3881]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.378760][ T3881]  netif_change_flags (net/core/dev.c:9882)
[   88.378762][ T3881]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   88.378765][ T3881]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   88.378766][ T3881]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   88.378768][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378769][ T3881]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.378773][ T3881]  ? kasan_save_stack (mm/kasan/common.c:58)
[   88.378776][ T3881]  ? kasan_save_stack (mm/kasan/common.c:57)
[   88.378778][ T3881]  ? kasan_save_track (mm/kasan/common.c:78)
[   88.378779][ T3881]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   88.378781][ T3881]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   88.378782][ T3881]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   88.378783][ T3881]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.378785][ T3881]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.378787][ T3881]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.378789][ T3881]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.378790][ T3881]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.378793][ T3881]  ? ___sys_sendmsg (net/socket.c:2767)
[   88.378794][ T3881]  ? __sys_sendmsg (net/socket.c:2799)
[   88.378796][ T3881]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.378798][ T3881]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.378801][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378803][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.378804][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378806][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378808][ T3881]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   88.378811][ T3881]  ? __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)
[   88.378812][ T3881]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   88.378814][ T3881]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   88.378815][ T3881]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   88.378818][ T3881]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   88.378820][ T3881]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   88.378822][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378824][ T3881]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.378825][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.378826][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378828][ T3881]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   88.378832][ T3881]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   88.378833][ T3881]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   88.378835][ T3881]  ? __kernel_text_address (kernel/extable.c:79)
[   88.378836][ T3881]  ? write_profile (profile.c:?)
[   88.378837][ T3881]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   88.378839][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378840][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378842][ T3881]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   88.378845][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.378847][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378849][ T3881]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   88.378850][ T3881]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   88.378852][ T3881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.378853][ T3881]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.378854][ T3881]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   88.378857][ T3881]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   88.378858][ T3881]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   88.378860][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.378861][ T3881]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   88.378863][ T3881]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   88.378865][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378867][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.378869][ T3881]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   88.378871][ T3881]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   88.378872][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378874][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378876][ T3881]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   88.378878][ T3881]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   88.378880][ T3881]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   88.378881][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378883][ T3881]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   88.378885][ T3881]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   88.378887][ T3881]  ? copy_msghdr_from_user (net/socket.c:2650)
[   88.378888][ T3881]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   88.378890][ T3881]  ? move_addr_to_kernel (net/socket.c:258)
[   88.378891][ T3881]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   88.378894][ T3881]  ___sys_sendmsg (net/socket.c:2767)
[   88.378896][ T3881]  ? copy_msghdr_from_user (net/socket.c:2619)
[   88.378901][ T3881]  __sys_sendmsg (net/socket.c:2799)
[   88.378902][ T3881]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   88.378905][ T3881]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   88.378907][ T3881]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   88.378909][ T3881]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   88.378911][ T3881]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   88.378912][ T3881] RIP: 0033:0x7ff823fcd54e
[   88.378914][ T3881] 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
[   88.378916][ T3881] RSP: 002b:00007ffdd740d960 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   88.378919][ T3881] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff823fcd54e
[   88.378921][ T3881] RDX: 0000000000000000 RSI: 00007ffdd740da10 RDI: 0000000000000005
[   88.378922][ T3881] RBP: 00007ffdd740d970 R08: 0000000000000000 R09: 0000000000000000
[   88.378923][ T3881] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a706
[   88.378923][ T3881] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd740e0d0
| [  161.949571][ T7760] softirqs last disabled at (0): 0x0
| [  161.949573][ T7760] Preemption disabled at:
| [  161.949574][ T7760] 0x0
| [  161.949582][ T7760] Tainted: [W]=WARN
[  161.949583][ T7760] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  161.949585][ T7760] Call Trace:
[  161.949586][ T7760]  <TASK>
[  161.949587][ T7760]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  161.949593][ T7760]  __might_resched.cold (kernel/sched/core.c:9234)
[  161.949597][ T7760]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  161.949601][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949605][ T7760]  __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))
[  161.949608][ T7760]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.949611][ T7760]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.949615][ T7760]  ? 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)
[  161.949617][ T7760]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  161.949619][ T7760]  put_chars (drivers/char/virtio_console.c:1176)
[  161.949621][ T7760]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  161.949623][ T7760]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  161.949626][ T7760]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  161.949630][ T7760]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  161.949632][ T7760]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  161.949633][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949635][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.949637][ T7760]  console_emit_next_record (kernel/printk/printk.c:3183)
[  161.949640][ T7760]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  161.949642][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949644][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949645][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949647][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.949649][ T7760]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  161.949651][ T7760]  console_flush_one_record (kernel/printk/printk.c:3268)
[  161.949653][ T7760]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  161.949656][ T7760]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  161.949658][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.949659][ T7760]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  161.949661][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949663][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.949664][ T7760]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  161.949665][ T7760]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  161.949668][ T7760]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  161.949669][ T7760]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  161.949671][ T7760]  vprintk_emit (kernel/printk/printk.c:2479)
[  161.949674][ T7760]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  161.949676][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949677][ T7760]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  161.949680][ T7760]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  161.949682][ T7760]  _printk (kernel/printk/printk.c:2504)
[  161.949685][ T7760]  ? snapshot_read.cold (user.c:?)
[  161.949687][ T7760]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  161.949692][ T7760] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  161.949705][ T7760] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  161.949713][ T7760] br_device_event (net/bridge/br.c:111) bridge
[  161.949721][ T7760]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  161.949725][ T7760]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[  161.949727][ T7760]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  161.949730][ T7760]  notifier_call_chain (kernel/notifier.c:85)
[  161.949733][ T7760]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[  161.949737][ T7760]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  161.949739][ T7760]  ? netif_change_name (net/core/dev.c:1517)
[  161.949741][ T7760]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  161.949743][ T7760]  ? __kernel_text_address (kernel/extable.c:79)
[  161.949745][ T7760]  ? write_profile (profile.c:?)
[  161.949747][ T7760]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  161.949750][ T7760]  netif_change_flags (net/core/dev.c:9882)
[  161.949753][ T7760]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  161.949756][ T7760]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  161.949757][ T7760]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  161.949758][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949760][ T7760]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  161.949764][ T7760]  ? kasan_save_stack (mm/kasan/common.c:58)
[  161.949767][ T7760]  ? kasan_save_stack (mm/kasan/common.c:57)
[  161.949769][ T7760]  ? kasan_save_track (mm/kasan/common.c:78)
[  161.949770][ T7760]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  161.949772][ T7760]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  161.949773][ T7760]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  161.949774][ T7760]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  161.949776][ T7760]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  161.949778][ T7760]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  161.949779][ T7760]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  161.949781][ T7760]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  161.949783][ T7760]  ? ___sys_sendmsg (net/socket.c:2767)
[  161.949785][ T7760]  ? __sys_sendmsg (net/socket.c:2799)
[  161.949787][ T7760]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  161.949788][ T7760]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.949791][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949793][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.949795][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949796][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949798][ T7760]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  161.949801][ T7760]  ? __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)
[  161.949803][ T7760]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  161.949804][ T7760]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  161.949806][ T7760]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  161.949808][ T7760]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  161.949810][ T7760]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  161.949812][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949814][ T7760]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  161.949815][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.949817][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949819][ T7760]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  161.949822][ T7760]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  161.949823][ T7760]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  161.949825][ T7760]  ? __kernel_text_address (kernel/extable.c:79)
[  161.949826][ T7760]  ? write_profile (profile.c:?)
[  161.949827][ T7760]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  161.949829][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949830][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949832][ T7760]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  161.949841][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.949843][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949845][ T7760]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  161.949846][ T7760]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  161.949848][ T7760]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  161.949849][ T7760]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  161.949850][ T7760]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  161.949853][ T7760]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  161.949854][ T7760]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  161.949856][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.949857][ T7760]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  161.949859][ T7760]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  161.949861][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949863][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.949865][ T7760]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  161.949867][ T7760]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  161.949869][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949870][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949872][ T7760]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  161.949874][ T7760]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  161.949876][ T7760]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  161.949878][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949880][ T7760]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  161.949881][ T7760]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  161.949883][ T7760]  ? copy_msghdr_from_user (net/socket.c:2650)
[  161.949885][ T7760]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  161.949886][ T7760]  ? move_addr_to_kernel (net/socket.c:258)
[  161.949888][ T7760]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  161.949890][ T7760]  ___sys_sendmsg (net/socket.c:2767)
[  161.949892][ T7760]  ? copy_msghdr_from_user (net/socket.c:2619)
[  161.949897][ T7760]  __sys_sendmsg (net/socket.c:2799)
[  161.949899][ T7760]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  161.949902][ T7760]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  161.949904][ T7760]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  161.949905][ T7760]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  161.949908][ T7760]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  161.949909][ T7760] RIP: 0033:0x7f26a090f54e
[  161.949911][ T7760] 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
[  161.949913][ T7760] RSP: 002b:00007ffe061122c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  161.949917][ T7760] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f26a090f54e
[  161.949918][ T7760] RDX: 0000000000000000 RSI: 00007ffe06112370 RDI: 0000000000000005
[  161.949919][ T7760] RBP: 00007ffe061122d0 R08: 0000000000000000 R09: 0000000000000000
[  161.949920][ T7760] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a750
[  161.949921][ T7760] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe06112a30
| [  167.536470][ T7810] softirqs last disabled at (0): 0x0
| [  167.536471][ T7810] Preemption disabled at:
| [  167.536472][ T7810] 0x0
| [  167.536480][ T7810] Tainted: [W]=WARN
[  167.536481][ T7810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  167.536483][ T7810] Call Trace:
[  167.536485][ T7810]  <TASK>
[  167.536486][ T7810]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  167.536491][ T7810]  __might_resched.cold (kernel/sched/core.c:9234)
[  167.536495][ T7810]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  167.536499][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536503][ T7810]  __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))
[  167.536507][ T7810]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  167.536510][ T7810]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.536514][ T7810]  ? 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)
[  167.536515][ T7810]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  167.536517][ T7810]  put_chars (drivers/char/virtio_console.c:1176)
[  167.536519][ T7810]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  167.536521][ T7810]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  167.536523][ T7810]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  167.536526][ T7810]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  167.536529][ T7810]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  167.536530][ T7810]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[  167.536532][ T7810]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  167.536534][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536535][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536537][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.536539][ T7810]  console_emit_next_record (kernel/printk/printk.c:3183)
[  167.536542][ T7810]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  167.536544][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536545][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536547][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536549][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.536551][ T7810]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  167.536552][ T7810]  console_flush_one_record (kernel/printk/printk.c:3268)
[  167.536555][ T7810]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  167.536557][ T7810]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  167.536559][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.536561][ T7810]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  167.536562][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536564][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  167.536565][ T7810]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  167.536567][ T7810]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  167.536569][ T7810]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  167.536571][ T7810]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  167.536573][ T7810]  vprintk_emit (kernel/printk/printk.c:2479)
[  167.536576][ T7810]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  167.536577][ T7810]  ? debug_object_assert_init (lib/debugobjects.c:1072 (discriminator 3))
[  167.536581][ T7810]  ? debug_object_activate (lib/debugobjects.c:884)
[  167.536584][ T7810]  _printk (kernel/printk/printk.c:2504)
[  167.536587][ T7810]  ? snapshot_read.cold (user.c:?)
[  167.536589][ T7810]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  167.536591][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536592][ T7810]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  167.536595][ T7810] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  167.536608][ T7810] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[  167.536617][ T7810] br_stp_disable_bridge (net/bridge/br_stp_if.c:76) bridge
[  167.536623][ T7810] br_dev_stop (net/bridge/br_device.c:193) bridge
[  167.536632][ T7810]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  167.536636][ T7810]  __dev_close_many (net/core/dev.c:1798)
[  167.536639][ T7810]  ? netif_open (net/core/dev.c:1755)
[  167.536641][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536643][ T7810]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  167.536644][ T7810]  __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[  167.536647][ T7810]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[  167.536649][ T7810]  ? __kernel_text_address (kernel/extable.c:79)
[  167.536651][ T7810]  ? write_profile (profile.c:?)
[  167.536653][ T7810]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  167.536656][ T7810]  netif_change_flags (net/core/dev.c:9877)
[  167.536659][ T7810]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[  167.536661][ T7810]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  167.536662][ T7810]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  167.536663][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536665][ T7810]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  167.536668][ T7810]  ? kasan_save_stack (mm/kasan/common.c:58)
[  167.536671][ T7810]  ? kasan_save_stack (mm/kasan/common.c:57)
[  167.536673][ T7810]  ? kasan_save_track (mm/kasan/common.c:78)
[  167.536674][ T7810]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  167.536676][ T7810]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  167.536677][ T7810]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  167.536678][ T7810]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  167.536680][ T7810]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  167.536682][ T7810]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  167.536684][ T7810]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  167.536685][ T7810]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  167.536688][ T7810]  ? ___sys_sendmsg (net/socket.c:2767)
[  167.536689][ T7810]  ? __sys_sendmsg (net/socket.c:2799)
[  167.536691][ T7810]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  167.536694][ T7810]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  167.536696][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536698][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.536699][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536701][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536703][ T7810]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  167.536706][ T7810]  ? __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)
[  167.536708][ T7810]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  167.536710][ T7810]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  167.536711][ T7810]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  167.536713][ T7810]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  167.536715][ T7810]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  167.536717][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536719][ T7810]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  167.536720][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.536722][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536724][ T7810]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  167.536727][ T7810]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  167.536729][ T7810]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  167.536730][ T7810]  ? __kernel_text_address (kernel/extable.c:79)
[  167.536732][ T7810]  ? write_profile (profile.c:?)
[  167.536733][ T7810]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  167.536734][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536736][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536737][ T7810]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  167.536741][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.536742][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536744][ T7810]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  167.536746][ T7810]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  167.536747][ T7810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  167.536749][ T7810]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  167.536750][ T7810]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  167.536752][ T7810]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  167.536754][ T7810]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  167.536755][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  167.536757][ T7810]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  167.536758][ T7810]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  167.536761][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536762][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  167.536764][ T7810]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  167.536766][ T7810]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  167.536768][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536769][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536771][ T7810]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  167.536773][ T7810]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  167.536775][ T7810]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  167.536777][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536779][ T7810]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  167.536780][ T7810]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  167.536782][ T7810]  ? copy_msghdr_from_user (net/socket.c:2650)
[  167.536784][ T7810]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  167.536785][ T7810]  ? move_addr_to_kernel (net/socket.c:258)
[  167.536787][ T7810]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  167.536789][ T7810]  ___sys_sendmsg (net/socket.c:2767)
[  167.536791][ T7810]  ? copy_msghdr_from_user (net/socket.c:2619)
[  167.536796][ T7810]  __sys_sendmsg (net/socket.c:2799)
[  167.536798][ T7810]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  167.536801][ T7810]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[  167.536803][ T7810]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  167.536805][ T7810]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  167.536806][ T7810]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  167.536809][ T7810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  167.536810][ T7810] RIP: 0033:0x7f50ce04254e
[  167.536812][ T7810] 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
[  167.536814][ T7810] RSP: 002b:00007ffc7cfa44c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  167.536817][ T7810] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f50ce04254e
[  167.536819][ T7810] RDX: 0000000000000000 RSI: 00007ffc7cfa4570 RDI: 0000000000000005
[  167.536820][ T7810] RBP: 00007ffc7cfa44d0 R08: 0000000000000000 R09: 0000000000000000
[  167.536820][ T7810] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91a755


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