======================================
| [   10.295907][  T229] softirqs last disabled at (24013): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.295909][  T229] Preemption disabled at:
| [   10.295910][  T229] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.295919][  T229] Tainted: [W]=WARN
[   10.295920][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.295921][  T229] Call Trace:
[   10.295923][  T229]  <TASK>
[   10.295924][  T229]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.295930][  T229]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.295932][  T229]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.295937][  T229]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.295941][  T229]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.295946][  T229]  __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))
[   10.295948][  T229]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.295954][  T229]  ? 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)
[   10.295957][  T229]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.295959][  T229]  put_chars (drivers/char/virtio_console.c:1176)
[   10.295962][  T229]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.295964][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.295968][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.295971][  T229]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.295975][  T229]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.295978][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.295983][  T229]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.295985][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.295990][  T229]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.295994][  T229]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.295996][  T229]  ? 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))
[   10.295999][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.296001][  T229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.296005][  T229]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.296009][  T229]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.296011][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.296016][  T229]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.296018][  T229]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.296020][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.296022][  T229]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.296026][  T229]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.296028][  T229]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.296031][  T229]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.296035][  T229]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.296040][  T229]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.296044][  T229]  _printk (kernel/printk/printk.c:2504)
[   10.296048][  T229]  ? snapshot_read.cold (user.c:?)
[   10.296054][  T229]  ? 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)
[   10.296057][  T229] 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
[   10.296060][  T229]  do_one_initcall (init/main.c:1357)
[   10.296062][  T229]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.296067][  T229]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.296070][  T229]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.296075][  T229]  do_init_module (kernel/module/main.c:3117)
[   10.296078][  T229]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.296082][  T229]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.296086][  T229]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.296090][  T229]  load_module (kernel/module/main.c:3593)
[   10.296097][  T229]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.296101][  T229]  ? __ia32_sys_fsconfig (??:?)
[   10.296104][  T229]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.296108][  T229]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.296111][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.296115][  T229]  init_module_from_file (kernel/module/main.c:3790)
[   10.296118][  T229]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.296126][  T229]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.296129][  T229]  ? 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)
[   10.296133][  T229]  idempotent_init_module (kernel/module/main.c:3802)
[   10.296136][  T229]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.296142][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.296145][  T229]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.296151][  T229]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.296153][  T229]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.296156][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.296158][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.296161][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.296163][  T229] RIP: 0033:0x7fd10c8b437d
[   10.296166][  T229] 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
[   10.296168][  T229] RSP: 002b:00007fffa8b6cd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.296171][  T229] RAX: ffffffffffffffda RBX: 0000555a2c927810 RCX: 00007fd10c8b437d
[   10.296173][  T229] RDX: 0000000000000000 RSI: 0000555a213d1ffd RDI: 0000000000000000
[   10.296174][  T229] RBP: 00007fffa8b6cda0 R08: 0000000000000000 R09: 0000000000000000
[   10.296174][  T229] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555a213d1ffd
[   10.296175][  T229] R13: 0000555a2c927960 R14: 0000000000040000 R15: 0000000000000000
| [   11.489505][  T277] softirqs last disabled at (18794): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.489508][  T277] Preemption disabled at:
| [   11.489508][  T277] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.489518][  T277] Tainted: [W]=WARN
[   11.489519][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.489520][  T277] Call Trace:
[   11.489522][  T277]  <TASK>
[   11.489523][  T277]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.489529][  T277]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.489532][  T277]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.489536][  T277]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.489540][  T277]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.489545][  T277]  __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))
[   11.489547][  T277]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.489552][  T277]  ? 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)
[   11.489555][  T277]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.489558][  T277]  put_chars (drivers/char/virtio_console.c:1176)
[   11.489561][  T277]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.489565][  T277]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.489569][  T277]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.489571][  T277]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.489573][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.489575][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.489578][  T277]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.489580][  T277]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.489584][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.489587][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.489591][  T277]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.489595][  T277]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.489596][  T277]  ? 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))
[   11.489599][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.489602][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.489606][  T277]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.489610][  T277]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.489612][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.489617][  T277]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.489619][  T277]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.489621][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.489623][  T277]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.489627][  T277]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.489628][  T277]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.489632][  T277]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.489635][  T277]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.489638][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.489639][  T277]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.489644][  T277]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.489647][  T277]  _printk (kernel/printk/printk.c:2504)
[   11.489651][  T277]  ? snapshot_read.cold (user.c:?)
[   11.489654][  T277]  ? br_multicast_flood (??:?) bridge
[   11.489667][  T277]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.489668][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.489670][  T277]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.489674][  T277] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.489690][  T277] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.489699][  T277] new_nbp (net/bridge/br_if.c:449) bridge
[   11.489707][  T277] br_add_if (net/bridge/br_if.c:592) bridge
[   11.489714][  T277]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.489718][  T277]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.489721][  T277]  ? __kernel_text_address (kernel/extable.c:79)
[   11.489725][  T277]  do_set_master (net/core/rtnetlink.c:3071)
[   11.489729][  T277]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.489732][  T277]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.489735][  T277]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.489737][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.489739][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.489743][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.489745][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.489747][  T277]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.489750][  T277]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.489753][  T277]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.489754][  T277]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.489757][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.489759][  T277]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.489762][  T277]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.489766][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.489768][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.489770][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.489772][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.489774][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.489776][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.489778][  T277]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.489782][  T277]  ? __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)
[   11.489783][  T277]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.489785][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.489788][  T277]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.489790][  T277]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.489795][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.489800][  T277]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.489805][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.489807][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.489811][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.489813][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.489815][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.489816][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.489820][  T277]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.489822][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.489825][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.489826][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.489830][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.489832][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.489836][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.489837][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.489840][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.489846][  T277]  ? 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))
[   11.489847][  T277]  ? 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))
[   11.489851][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.489855][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.489858][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.489862][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.489865][  T277]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.489869][  T277]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.489874][  T277]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.489876][  T277]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.489878][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.489880][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   11.489887][  T277]  ___sys_sendmsg (net/socket.c:2767)
[   11.489890][  T277]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.489905][  T277]  __sys_sendmsg (net/socket.c:2799)
[   11.489908][  T277]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.489914][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.489917][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.489919][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.489922][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.489925][  T277] RIP: 0033:0x7feee7ebf54e
[   11.489928][  T277] 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
[   11.489930][  T277] RSP: 002b:00007ffce5302c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.489933][  T277] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007feee7ebf54e
[   11.489934][  T277] RDX: 0000000000000000 RSI: 00007ffce5302d10 RDI: 0000000000000005
[   11.489935][  T277] RBP: 00007ffce5302c70 R08: 0000000000000000 R09: 0000000000000000
[   11.489936][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130bc
[   11.489937][  T277] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce53033d0
| [   13.097451][  T337] softirqs last disabled at (14096): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.097454][  T337] Preemption disabled at:
| [   13.097455][  T337] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.097464][  T337] Tainted: [W]=WARN
[   13.097465][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.097467][  T337] Call Trace:
[   13.097468][  T337]  <TASK>
[   13.097470][  T337]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.097476][  T337]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.097478][  T337]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.097482][  T337]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.097486][  T337]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.097491][  T337]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.097494][  T337]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.097499][  T337]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.097502][  T337]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.097505][  T337]  put_chars (drivers/char/virtio_console.c:1176)
[   13.097507][  T337]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.097510][  T337]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.097512][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.097517][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.097519][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.097523][  T337]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.097526][  T337]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.097527][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.097529][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.097533][  T337]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.097535][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.097538][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.097540][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.097544][  T337]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.097548][  T337]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.097550][  T337]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.097553][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.097555][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.097559][  T337]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.097563][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.097565][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.097570][  T337]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.097573][  T337]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.097574][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.097577][  T337]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.097580][  T337]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.097582][  T337]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.097585][  T337]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.097589][  T337]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.097592][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.097594][  T337]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.097598][  T337]  _printk (kernel/printk/printk.c:2504)
[   13.097602][  T337]  ? snapshot_read.cold (user.c:?)
[   13.097606][  T337]  ? br_multicast_flood (??:?) bridge
[   13.097618][  T337]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.097620][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.097621][  T337]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.097625][  T337] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.097635][  T337] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.097644][  T337] new_nbp (net/bridge/br_if.c:449) bridge
[   13.097653][  T337] br_add_if (net/bridge/br_if.c:592) bridge
[   13.097660][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.097664][  T337]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.097667][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   13.097670][  T337]  do_set_master (net/core/rtnetlink.c:3071)
[   13.097675][  T337]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.097678][  T337]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.097681][  T337]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.097682][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.097684][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.097692][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.097694][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.097696][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.097699][  T337]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.097702][  T337]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.097703][  T337]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.097706][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.097708][  T337]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.097710][  T337]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.097715][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.097717][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.097719][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.097721][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.097723][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.097725][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.097727][  T337]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.097730][  T337]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.097733][  T337]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.097735][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.097739][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.097740][  T337]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.097745][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.097750][  T337]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.097755][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.097757][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.097761][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.097763][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.097765][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.097767][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.097770][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.097772][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.097775][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.097777][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.097781][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.097783][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.097786][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.097788][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.097790][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.097796][  T337]  ? 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))
[   13.097798][  T337]  ? 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))
[   13.097802][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.097806][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.097808][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.097812][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.097816][  T337]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.097820][  T337]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.097825][  T337]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.097827][  T337]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.097830][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.097831][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   13.097838][  T337]  ___sys_sendmsg (net/socket.c:2767)
[   13.097841][  T337]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.097856][  T337]  __sys_sendmsg (net/socket.c:2799)
[   13.097859][  T337]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.097865][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.097869][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.097871][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.097874][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.097876][  T337] RIP: 0033:0x7ffacfa1954e
[   13.097880][  T337] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.097881][  T337] RSP: 002b:00007ffe053f38a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.097884][  T337] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ffacfa1954e
[   13.097885][  T337] RDX: 0000000000000000 RSI: 00007ffe053f3950 RDI: 0000000000000005
[   13.097886][  T337] RBP: 00007ffe053f38b0 R08: 0000000000000000 R09: 0000000000000000
[   13.097887][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130be
[   13.097888][  T337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe053f4010
| [   14.570255][  T391] softirqs last disabled at (12620): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.570258][  T391] Preemption disabled at:
| [   14.570258][  T391] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.570267][  T391] Tainted: [W]=WARN
[   14.570268][  T391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.570270][  T391] Call Trace:
[   14.570271][  T391]  <TASK>
[   14.570273][  T391]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.570279][  T391]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.570281][  T391]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.570285][  T391]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.570290][  T391]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.570295][  T391]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.570297][  T391]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.570303][  T391]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.570305][  T391]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.570308][  T391]  put_chars (drivers/char/virtio_console.c:1176)
[   14.570310][  T391]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.570312][  T391]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.570315][  T391]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.570320][  T391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.570322][  T391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.570325][  T391]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.570328][  T391]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.570330][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.570332][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.570336][  T391]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.570338][  T391]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.570341][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.570343][  T391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.570347][  T391]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.570351][  T391]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.570353][  T391]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.570356][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.570358][  T391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.570362][  T391]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.570366][  T391]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.570368][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.570373][  T391]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.570376][  T391]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.570378][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.570380][  T391]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.570383][  T391]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.570385][  T391]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.570388][  T391]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.570392][  T391]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.570395][  T391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.570397][  T391]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.570401][  T391]  _printk (kernel/printk/printk.c:2504)
[   14.570404][  T391]  ? snapshot_read.cold (user.c:?)
[   14.570408][  T391]  ? br_multicast_flood (??:?) bridge
[   14.570421][  T391]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.570423][  T391]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.570424][  T391]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.570428][  T391] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.570438][  T391] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.570446][  T391] new_nbp (net/bridge/br_if.c:449) bridge
[   14.570457][  T391] br_add_if (net/bridge/br_if.c:592) bridge
[   14.570464][  T391]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.570468][  T391]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.570471][  T391]  ? __kernel_text_address (kernel/extable.c:79)
[   14.570475][  T391]  do_set_master (net/core/rtnetlink.c:3071)
[   14.570480][  T391]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.570483][  T391]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.570486][  T391]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.570487][  T391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.570489][  T391]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.570493][  T391]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.570495][  T391]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.570497][  T391]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.570499][  T391]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.570502][  T391]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.570504][  T391]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.570506][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.570508][  T391]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.570511][  T391]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.570515][  T391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.570517][  T391]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.570520][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.570522][  T391]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.570523][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.570525][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.570528][  T391]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.570531][  T391]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.570534][  T391]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.570536][  T391]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.570540][  T391]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.570541][  T391]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.570546][  T391]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.570551][  T391]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.570556][  T391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.570558][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.570562][  T391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.570564][  T391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.570566][  T391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.570568][  T391]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.570571][  T391]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.570573][  T391]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.570576][  T391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.570578][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.570582][  T391]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.570584][  T391]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.570587][  T391]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.570589][  T391]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.570592][  T391]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.570598][  T391]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.570599][  T391]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.570603][  T391]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.570607][  T391]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.570609][  T391]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.570613][  T391]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.570617][  T391]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.570621][  T391]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.570626][  T391]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.570628][  T391]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.570630][  T391]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.570632][  T391]  ? move_addr_to_kernel (net/socket.c:258)
[   14.570639][  T391]  ___sys_sendmsg (net/socket.c:2767)
[   14.570642][  T391]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.570657][  T391]  __sys_sendmsg (net/socket.c:2799)
[   14.570660][  T391]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.570666][  T391]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.570670][  T391]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.570672][  T391]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.570675][  T391]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.570677][  T391] RIP: 0033:0x7f20099b854e
[   14.570681][  T391] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.570682][  T391] RSP: 002b:00007ffe87ffc270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.570685][  T391] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f20099b854e
[   14.570686][  T391] RDX: 0000000000000000 RSI: 00007ffe87ffc320 RDI: 0000000000000005
[   14.570687][  T391] RBP: 00007ffe87ffc280 R08: 0000000000000000 R09: 0000000000000000
[   14.570688][  T391] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130c0
[   14.570689][  T391] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe87ffc9e0
| [   26.993551][    C2] softirqs last disabled at (1084719): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.993552][    C2] Preemption disabled at:
| [   26.993553][    C2] 0x0
| [   26.993564][    C2] Tainted: [W]=WARN
[   26.993565][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.993566][    C2] Call Trace:
[   26.993568][    C2]  <IRQ>
[   26.993570][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.993576][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.993579][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.993583][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.993586][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.993589][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.993592][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.993595][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.993599][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.993601][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.993603][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   26.993605][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.993607][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.993610][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.993614][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.993615][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.993617][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.993619][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.993622][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.993624][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.993625][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.993627][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.993629][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.993631][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.993633][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.993636][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.993638][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.993639][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.993641][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.993642][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.993644][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.993646][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.993648][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.993650][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.993652][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.993654][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.993666][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.993668][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.993675][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.993681][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   26.993685][    C2]  _printk (kernel/printk/printk.c:2504)
[   26.993688][    C2]  ? snapshot_read.cold (user.c:?)
[   26.993689][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.993694][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.993696][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.993698][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.993700][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.993703][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.993705][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.993707][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.993709][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.993710][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.993717][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.993719][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.993720][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.993727][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.993728][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.993740][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.993747][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.993753][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.993756][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.993758][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.993761][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.993763][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.993765][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.993767][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.993769][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.993776][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.993778][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.993780][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.993783][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.993785][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.993787][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.993789][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.993791][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.993793][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.993794][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.993796][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.993798][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.993799][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.993802][    C2]  </IRQ>
[   26.993803][    C2]  <TASK>
[   26.993803][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.993805][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.993807][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.993810][    C2] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.993812][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   26.993815][    C2] RAX: 0000000000108d2d RBX: ff11000001bec6c0 RCX: ffffffff8fef0307
[   26.993816][    C2] RDX: ff11000001bec6c0 RSI: ffffffff92c38b01 RDI: ffffffff9268d8e0
[   26.993817][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.993818][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   26.993819][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.993820][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.993823][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.993825][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   26.993827][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.993829][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   26.993830][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.993833][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.993835][    C2]  do_idle (kernel/sched/idle.c:355)
[   26.993836][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.993838][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.993840][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.993842][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.055171][    C2]
| [   27.055238][    C2]
| [   27.055238][    C2] stack backtrace:
| [   27.055460][    C2] Tainted: [W]=WARN
[   27.055461][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.055462][    C2] Call Trace:
[   27.055463][    C2]  <IRQ>
[   27.055465][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.055469][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.055472][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.055475][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.055477][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.055479][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.055481][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.055483][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.055490][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.055493][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.055495][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.055501][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.055503][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.055509][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   27.055515][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.055522][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   27.055524][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.055525][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.055529][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.055531][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.055533][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.055535][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.055537][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   27.055543][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.055545][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.055548][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.055550][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.055552][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.055554][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.055556][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.055558][    C2]  handle_softirqs (kernel/softirq.c:645)
[   27.055560][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.055561][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.055563][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   27.055565][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   27.055566][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   27.055568][    C2]  </IRQ>
[   27.055568][    C2]  <TASK>
[   27.055569][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.055571][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   27.055573][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   27.055575][    C2] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   27.055576][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   27.055579][    C2] RAX: 0000000000108d2d RBX: ff11000001bec6c0 RCX: ffffffff8fef0307
[   27.055580][    C2] RDX: ff11000001bec6c0 RSI: ffffffff92c38b01 RDI: ffffffff9268d8e0
[   27.055581][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   27.055582][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   27.055583][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   27.055584][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.055586][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   27.055588][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   27.055590][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   27.055591][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   27.055593][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   27.055595][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.055597][    C2]  do_idle (kernel/sched/idle.c:355)
[   27.055598][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   27.055600][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   27.055601][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   27.055603][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   46.441899][ T1770] softirqs last disabled at (0): 0x0
| [   46.441901][ T1770] Preemption disabled at:
| [   46.441902][ T1770] dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
| [   46.441913][ T1770] Tainted: [W]=WARN
[   46.441914][ T1770] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.441915][ T1770] Call Trace:
[   46.441917][ T1770]  <TASK>
[   46.441918][ T1770]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.441924][ T1770]  ? dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
[   46.441925][ T1770]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.441929][ T1770]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.441933][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.441937][ T1770]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   46.441940][ T1770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.441944][ T1770]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.441947][ T1770]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   46.441949][ T1770]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.441951][ T1770]  put_chars (drivers/char/virtio_console.c:1176)
[   46.441953][ T1770]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.441954][ T1770]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   46.441958][ T1770]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   46.441960][ T1770]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.441963][ T1770]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.441965][ T1770]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   46.441966][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.441968][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.441970][ T1770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.441972][ T1770]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.441974][ T1770]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.441976][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.441978][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.441979][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.441981][ T1770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.441983][ T1770]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   46.441985][ T1770]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.441987][ T1770]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.441990][ T1770]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.441992][ T1770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.441993][ T1770]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.441995][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.441997][ T1770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.441998][ T1770]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.442000][ T1770]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   46.442002][ T1770]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.442004][ T1770]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.442006][ T1770]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.442008][ T1770]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.442011][ T1770]  _printk (kernel/printk/printk.c:2504)
[   46.442014][ T1770]  ? snapshot_read.cold (user.c:?)
[   46.442016][ T1770]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.442019][ T1770]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.442021][ T1770]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.442023][ T1770]  ? netdev_notice (net/core/dev.c:13194)
[   46.442024][ T1770]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.442028][ T1770]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   46.442029][ T1770]  ? __hw_addr_add_ex (./include/linux/slab.h:991 (discriminator 1) net/core/dev_addr_lists.c:62 (discriminator 1) net/core/dev_addr_lists.c:120 (discriminator 1))
[   46.442031][ T1770]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   46.442034][ T1770]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   46.442036][ T1770]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[   46.442039][ T1770]  dev_uc_add_excl (net/core/dev_addr_lists.c:801)
[   46.442041][ T1770]  ndo_dflt_fdb_add (net/core/rtnetlink.c:4740)
[   46.442044][ T1770]  ? __nla_parse (lib/nlattr.c:732)
[   46.442046][ T1770]  rtnl_fdb_add (net/core/rtnetlink.c:4845)
[   46.442048][ T1770]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.442050][ T1770]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   46.442051][ T1770]  ? rtnl_fdb_del (net/core/rtnetlink.c:4918 (discriminator 2))
[   46.442052][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.442054][ T1770]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   46.442057][ T1770]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.442059][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.442061][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.442063][ T1770]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   46.442066][ T1770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.442068][ T1770]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   46.442070][ T1770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.442071][ T1770]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   46.442074][ T1770]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   46.442077][ T1770]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.442079][ T1770]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.442081][ T1770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.442082][ T1770]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.442084][ T1770]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   46.442086][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.442088][ T1770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.442090][ T1770]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.442092][ T1770]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.442094][ T1770]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[   46.442096][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.442098][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.442100][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.442101][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.442103][ T1770]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.442105][ T1770]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.442107][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.442109][ T1770]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   46.442111][ T1770]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.442113][ T1770]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.442115][ T1770]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.442117][ T1770]  ? move_addr_to_kernel (net/socket.c:258)
[   46.442119][ T1770]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   46.442122][ T1770]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.442124][ T1770]  ___sys_sendmsg (net/socket.c:2767)
[   46.442126][ T1770]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   46.442128][ T1770]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.442130][ T1770]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   46.442135][ T1770]  __sys_sendmsg (net/socket.c:2799)
[   46.442137][ T1770]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.442140][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.442142][ T1770]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.442144][ T1770]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.442146][ T1770]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.442149][ T1770]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.442150][ T1770] RIP: 0033:0x7fc57da1354e
[   46.442152][ T1770] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   46.442154][ T1770] RSP: 002b:00007ffc61e3bcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.442157][ T1770] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc57da1354e
[   46.442159][ T1770] RDX: 0000000000000000 RSI: 00007ffc61e3bda0 RDI: 0000000000000005
[   46.442160][ T1770] RBP: 00007ffc61e3bd00 R08: 0000000000000000 R09: 0000000000000000
[   46.442160][ T1770] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130e0
[   46.442161][ T1770] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [   60.530724][ T2697] softirqs last disabled at (0): 0x0
| [   60.530726][ T2697] Preemption disabled at:
| [   60.530726][ T2697] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [   60.530737][ T2697] Tainted: [W]=WARN
[   60.530738][ T2697] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.530739][ T2697] Call Trace:
[   60.530741][ T2697]  <TASK>
[   60.530742][ T2697]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   60.530749][ T2697]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[   60.530750][ T2697]  __might_resched.cold (kernel/sched/core.c:9234)
[   60.530754][ T2697]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   60.530758][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530762][ T2697]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   60.530765][ T2697]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   60.530768][ T2697]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.530771][ T2697]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.530773][ T2697]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   60.530775][ T2697]  put_chars (drivers/char/virtio_console.c:1176)
[   60.530777][ T2697]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   60.530778][ T2697]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   60.530781][ T2697]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   60.530785][ T2697]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   60.530786][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530788][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530790][ T2697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.530792][ T2697]  console_emit_next_record (kernel/printk/printk.c:3183)
[   60.530794][ T2697]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   60.530796][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530798][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530799][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530801][ T2697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.530803][ T2697]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   60.530804][ T2697]  console_flush_one_record (kernel/printk/printk.c:3268)
[   60.530806][ T2697]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   60.530809][ T2697]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   60.530811][ T2697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.530812][ T2697]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   60.530814][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530815][ T2697]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   60.530817][ T2697]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   60.530818][ T2697]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   60.530820][ T2697]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   60.530822][ T2697]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   60.530824][ T2697]  vprintk_emit (kernel/printk/printk.c:2479)
[   60.530826][ T2697]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   60.530828][ T2697]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[   60.530831][ T2697]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[   60.530832][ T2697]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[   60.530834][ T2697]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   60.530836][ T2697]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   60.530838][ T2697]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.530839][ T2697]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   60.530841][ T2697]  _printk (kernel/printk/printk.c:2504)
[   60.530844][ T2697]  ? snapshot_read.cold (user.c:?)
[   60.530846][ T2697]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   60.530856][ T2697]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   60.530858][ T2697]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   60.530860][ T2697]  ? netdev_notice (net/core/dev.c:13194)
[   60.530861][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530863][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530865][ T2697]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   60.530867][ T2697]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   60.530869][ T2697]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   60.530870][ T2697]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   60.530873][ T2697]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   60.530876][ T2697]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[   60.530879][ T2697]  dev_uc_del (net/core/dev_addr_lists.c:845)
[   60.530881][ T2697]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[   60.530882][ T2697]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.530884][ T2697]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   60.530885][ T2697]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[   60.530886][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530888][ T2697]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   60.530890][ T2697]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   60.530893][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530894][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530896][ T2697]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   60.530900][ T2697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.530902][ T2697]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   60.530903][ T2697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.530905][ T2697]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   60.530907][ T2697]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   60.530911][ T2697]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   60.530913][ T2697]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   60.530914][ T2697]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   60.530915][ T2697]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   60.530917][ T2697]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   60.530919][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530921][ T2697]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   60.530923][ T2697]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   60.530925][ T2697]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   60.530926][ T2697]  ? next_uptodate_folio (mm/filemap.c:3747)
[   60.530929][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530931][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530932][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530934][ T2697]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   60.530936][ T2697]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   60.530938][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530940][ T2697]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   60.530942][ T2697]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   60.530944][ T2697]  ? copy_msghdr_from_user (net/socket.c:2650)
[   60.530946][ T2697]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   60.530947][ T2697]  ? move_addr_to_kernel (net/socket.c:258)
[   60.530949][ T2697]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   60.530952][ T2697]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   60.530954][ T2697]  ___sys_sendmsg (net/socket.c:2767)
[   60.530955][ T2697]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   60.530958][ T2697]  ? copy_msghdr_from_user (net/socket.c:2619)
[   60.530959][ T2697]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   60.530964][ T2697]  __sys_sendmsg (net/socket.c:2799)
[   60.530966][ T2697]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   60.530968][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530970][ T2697]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   60.530972][ T2697]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   60.530975][ T2697]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   60.530977][ T2697]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   60.530978][ T2697] RIP: 0033:0x7f1ae716a54e
[   60.530980][ T2697] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   60.530982][ T2697] RSP: 002b:00007fff16e508b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   60.530986][ T2697] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1ae716a54e
[   60.530987][ T2697] RDX: 0000000000000000 RSI: 00007fff16e50960 RDI: 0000000000000005
[   60.530988][ T2697] RBP: 00007fff16e508c0 R08: 0000000000000000 R09: 0000000000000000
[   60.530989][ T2697] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130ef
[   60.530990][ T2697] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [   74.642246][ T3630] softirqs last disabled at (0): 0x0
| [   74.642248][ T3630] Preemption disabled at:
| [   74.642248][ T3630] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [   74.642259][ T3630] Tainted: [W]=WARN
[   74.642260][ T3630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.642262][ T3630] Call Trace:
[   74.642263][ T3630]  <TASK>
[   74.642265][ T3630]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   74.642270][ T3630]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[   74.642272][ T3630]  __might_resched.cold (kernel/sched/core.c:9234)
[   74.642275][ T3630]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   74.642279][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642283][ T3630]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   74.642287][ T3630]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   74.642290][ T3630]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.642293][ T3630]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.642295][ T3630]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   74.642297][ T3630]  put_chars (drivers/char/virtio_console.c:1176)
[   74.642299][ T3630]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   74.642300][ T3630]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   74.642304][ T3630]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   74.642307][ T3630]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   74.642308][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642310][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642312][ T3630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.642314][ T3630]  console_emit_next_record (kernel/printk/printk.c:3183)
[   74.642316][ T3630]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   74.642318][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642320][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642321][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642323][ T3630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.642325][ T3630]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   74.642326][ T3630]  console_flush_one_record (kernel/printk/printk.c:3268)
[   74.642329][ T3630]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   74.642331][ T3630]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   74.642333][ T3630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.642334][ T3630]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   74.642336][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642338][ T3630]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.642339][ T3630]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   74.642340][ T3630]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   74.642343][ T3630]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   74.642344][ T3630]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   74.642346][ T3630]  vprintk_emit (kernel/printk/printk.c:2479)
[   74.642349][ T3630]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   74.642350][ T3630]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[   74.642354][ T3630]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[   74.642355][ T3630]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[   74.642357][ T3630]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   74.642358][ T3630]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.642361][ T3630]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.642362][ T3630]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.642364][ T3630]  _printk (kernel/printk/printk.c:2504)
[   74.642367][ T3630]  ? snapshot_read.cold (user.c:?)
[   74.642369][ T3630]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   74.642372][ T3630]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   74.642374][ T3630]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   74.642375][ T3630]  ? netdev_notice (net/core/dev.c:13194)
[   74.642377][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642379][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642381][ T3630]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   74.642383][ T3630]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   74.642385][ T3630]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   74.642386][ T3630]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   74.642389][ T3630]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   74.642392][ T3630]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[   74.642395][ T3630]  dev_uc_del (net/core/dev_addr_lists.c:845)
[   74.642396][ T3630]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[   74.642398][ T3630]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.642399][ T3630]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[   74.642400][ T3630]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[   74.642402][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642403][ T3630]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   74.642406][ T3630]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   74.642408][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642410][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642412][ T3630]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   74.642415][ T3630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.642417][ T3630]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[   74.642419][ T3630]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.642420][ T3630]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   74.642423][ T3630]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   74.642427][ T3630]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   74.642428][ T3630]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.642429][ T3630]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.642431][ T3630]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.642432][ T3630]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   74.642435][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642436][ T3630]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.642438][ T3630]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.642440][ T3630]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.642442][ T3630]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[   74.642445][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642446][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642450][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642452][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642454][ T3630]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   74.642456][ T3630]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   74.642458][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642460][ T3630]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   74.642462][ T3630]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   74.642464][ T3630]  ? copy_msghdr_from_user (net/socket.c:2650)
[   74.642466][ T3630]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   74.642467][ T3630]  ? move_addr_to_kernel (net/socket.c:258)
[   74.642469][ T3630]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   74.642472][ T3630]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   74.642474][ T3630]  ___sys_sendmsg (net/socket.c:2767)
[   74.642476][ T3630]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   74.642478][ T3630]  ? copy_msghdr_from_user (net/socket.c:2619)
[   74.642480][ T3630]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   74.642484][ T3630]  __sys_sendmsg (net/socket.c:2799)
[   74.642486][ T3630]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   74.642489][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642491][ T3630]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   74.642493][ T3630]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   74.642496][ T3630]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   74.642498][ T3630]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.642499][ T3630] RIP: 0033:0x7f143866f54e
[   74.642501][ T3630] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   74.642503][ T3630] RSP: 002b:00007ffc49840590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.642507][ T3630] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f143866f54e
[   74.642508][ T3630] RDX: 0000000000000000 RSI: 00007ffc49840640 RDI: 0000000000000005
[   74.642509][ T3630] RBP: 00007ffc498405a0 R08: 0000000000000000 R09: 0000000000000000
[   74.642509][ T3630] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9130fd
[   74.642510][ T3630] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [   79.944158][ T3654] softirqs last disabled at (0): 0x0
| [   79.944160][ T3654] Preemption disabled at:
| [   79.944161][ T3654] vprintk_emit (kernel/printk/printk.c:2471)
| [   79.944171][ T3654] Tainted: [W]=WARN
[   79.944172][ T3654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.944174][ T3654] Call Trace:
[   79.944175][ T3654]  <TASK>
[   79.944177][ T3654]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   79.944182][ T3654]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   79.944183][ T3654]  __might_resched.cold (kernel/sched/core.c:9234)
[   79.944187][ T3654]  ? __module_address (kernel/module/main.c:3915)
[   79.944190][ T3654]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   79.944194][ T3654]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   79.944195][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944198][ T3654]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   79.944202][ T3654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   79.944204][ T3654]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.944208][ T3654]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   79.944209][ T3654]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   79.944211][ T3654]  put_chars (drivers/char/virtio_console.c:1176)
[   79.944213][ T3654]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   79.944214][ T3654]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   79.944216][ T3654]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   79.944218][ T3654]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   79.944221][ T3654]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   79.944223][ T3654]  ? 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)
[   79.944224][ T3654]  ? vsnprintf (lib/vsprintf.c:2900)
[   79.944227][ T3654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   79.944229][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944231][ T3654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.944233][ T3654]  console_emit_next_record (kernel/printk/printk.c:3183)
[   79.944235][ T3654]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   79.944237][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944239][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944240][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944242][ T3654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.944244][ T3654]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   79.944245][ T3654]  console_flush_one_record (kernel/printk/printk.c:3268)
[   79.944247][ T3654]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   79.944250][ T3654]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   79.944252][ T3654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.944253][ T3654]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   79.944255][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944256][ T3654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.944258][ T3654]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   79.944259][ T3654]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   79.944261][ T3654]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   79.944263][ T3654]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   79.944265][ T3654]  vprintk_emit (kernel/printk/printk.c:2479)
[   79.944268][ T3654]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   79.944270][ T3654]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   79.944271][ T3654]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   79.944273][ T3654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.944274][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944276][ T3654]  _printk (kernel/printk/printk.c:2504)
[   79.944279][ T3654]  ? snapshot_read.cold (user.c:?)
[   79.944281][ T3654]  ? br_multicast_flood (??:?) bridge
[   79.944293][ T3654]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   79.944296][ T3654]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   79.944297][ T3654]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.944299][ T3654] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   79.944307][ T3654] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   79.944315][ T3654] new_nbp (net/bridge/br_if.c:449) bridge
[   79.944324][ T3654] br_add_if (net/bridge/br_if.c:592) bridge
[   79.944331][ T3654]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[   79.944334][ T3654]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   79.944336][ T3654]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   79.944338][ T3654]  ? __kernel_text_address (kernel/extable.c:79)
[   79.944340][ T3654]  do_set_master (net/core/rtnetlink.c:3071)
[   79.944343][ T3654]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   79.944344][ T3654]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   79.944346][ T3654]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   79.944347][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944349][ T3654]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   79.944352][ T3654]  ? kasan_save_stack (mm/kasan/common.c:58)
[   79.944355][ T3654]  ? kasan_save_stack (mm/kasan/common.c:57)
[   79.944356][ T3654]  ? kasan_save_track (mm/kasan/common.c:78)
[   79.944357][ T3654]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   79.944359][ T3654]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   79.944360][ T3654]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   79.944361][ T3654]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.944362][ T3654]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.944365][ T3654]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.944366][ T3654]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.944368][ T3654]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   79.944370][ T3654]  ? ___sys_sendmsg (net/socket.c:2767)
[   79.944371][ T3654]  ? __sys_sendmsg (net/socket.c:2799)
[   79.944373][ T3654]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.944375][ T3654]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.944377][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944379][ T3654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.944380][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944382][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944384][ T3654]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   79.944387][ T3654]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   79.944389][ T3654]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   79.944390][ T3654]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   79.944391][ T3654]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   79.944393][ T3654]  ? nla_get_range_signed (lib/nlattr.c:270)
[   79.944395][ T3654]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   79.944397][ T3654]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   79.944399][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944401][ T3654]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.944402][ T3654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.944403][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944405][ T3654]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   79.944407][ T3654]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   79.944408][ T3654]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   79.944410][ T3654]  ? __kernel_text_address (kernel/extable.c:79)
[   79.944411][ T3654]  ? write_profile (profile.c:?)
[   79.944412][ T3654]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   79.944415][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944416][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944418][ T3654]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   79.944421][ T3654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.944422][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944424][ T3654]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   79.944425][ T3654]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   79.944427][ T3654]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.944428][ T3654]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   79.944429][ T3654]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   79.944432][ T3654]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   79.944433][ T3654]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.944434][ T3654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.944436][ T3654]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.944437][ T3654]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   79.944440][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944441][ T3654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.944443][ T3654]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.944445][ T3654]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.944448][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944450][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944452][ T3654]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   79.944454][ T3654]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   79.944455][ T3654]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   79.944457][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944459][ T3654]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   79.944461][ T3654]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   79.944462][ T3654]  ? copy_msghdr_from_user (net/socket.c:2650)
[   79.944464][ T3654]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   79.944466][ T3654]  ? move_addr_to_kernel (net/socket.c:258)
[   79.944467][ T3654]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   79.944469][ T3654]  ___sys_sendmsg (net/socket.c:2767)
[   79.944471][ T3654]  ? copy_msghdr_from_user (net/socket.c:2619)
[   79.944476][ T3654]  __sys_sendmsg (net/socket.c:2799)
[   79.944478][ T3654]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   79.944480][ T3654]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   79.944482][ T3654]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   79.944484][ T3654]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   79.944486][ T3654]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.944487][ T3654] RIP: 0033:0x7f5aaee8054e
[   79.944489][ T3654] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   79.944491][ T3654] RSP: 002b:00007ffcfd4eee80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.944494][ T3654] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5aaee8054e
[   79.944495][ T3654] RDX: 0000000000000000 RSI: 00007ffcfd4eef30 RDI: 0000000000000005
[   79.944496][ T3654] RBP: 00007ffcfd4eee90 R08: 0000000000000000 R09: 0000000000000000
[   79.944497][ T3654] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913101
[   79.944498][ T3654] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcfd4ef5f0
| [  109.769944][ T4952] softirqs last disabled at (0): 0x0
| [  109.769946][ T4952] Preemption disabled at:
| [  109.769946][ T4952] dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
| [  109.769957][ T4952] Tainted: [W]=WARN
[  109.769958][ T4952] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  109.769959][ T4952] Call Trace:
[  109.769961][ T4952]  <TASK>
[  109.769962][ T4952]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  109.769968][ T4952]  ? dev_uc_add_excl (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:796 (discriminator 2))
[  109.769969][ T4952]  __might_resched.cold (kernel/sched/core.c:9234)
[  109.769973][ T4952]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  109.769977][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.769980][ T4952]  __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))
[  109.769984][ T4952]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  109.769987][ T4952]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.769990][ T4952]  ? 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)
[  109.769992][ T4952]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  109.769994][ T4952]  put_chars (drivers/char/virtio_console.c:1176)
[  109.769996][ T4952]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  109.769997][ T4952]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  109.770000][ T4952]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  109.770002][ T4952]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  109.770006][ T4952]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  109.770007][ T4952]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  109.770009][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770010][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770012][ T4952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.770014][ T4952]  console_emit_next_record (kernel/printk/printk.c:3183)
[  109.770016][ T4952]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  109.770025][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770027][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770028][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770030][ T4952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.770032][ T4952]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  109.770034][ T4952]  console_flush_one_record (kernel/printk/printk.c:3268)
[  109.770036][ T4952]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  109.770039][ T4952]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  109.770041][ T4952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.770042][ T4952]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  109.770044][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770045][ T4952]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  109.770046][ T4952]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  109.770048][ T4952]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  109.770050][ T4952]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  109.770052][ T4952]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  109.770054][ T4952]  vprintk_emit (kernel/printk/printk.c:2479)
[  109.770056][ T4952]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  109.770059][ T4952]  _printk (kernel/printk/printk.c:2504)
[  109.770062][ T4952]  ? snapshot_read.cold (user.c:?)
[  109.770064][ T4952]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  109.770067][ T4952]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  109.770069][ T4952]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  109.770070][ T4952]  ? netdev_notice (net/core/dev.c:13194)
[  109.770072][ T4952]  ? kasan_save_track (mm/kasan/common.c:78)
[  109.770075][ T4952]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  109.770077][ T4952]  ? __hw_addr_add_ex (./include/linux/slab.h:991 (discriminator 1) net/core/dev_addr_lists.c:62 (discriminator 1) net/core/dev_addr_lists.c:120 (discriminator 1))
[  109.770078][ T4952]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  109.770081][ T4952]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  109.770084][ T4952]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  109.770087][ T4952]  dev_uc_add_excl (net/core/dev_addr_lists.c:801)
[  109.770089][ T4952]  ndo_dflt_fdb_add (net/core/rtnetlink.c:4740)
[  109.770092][ T4952]  ? __nla_parse (lib/nlattr.c:732)
[  109.770094][ T4952]  rtnl_fdb_add (net/core/rtnetlink.c:4845)
[  109.770096][ T4952]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  109.770098][ T4952]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  109.770099][ T4952]  ? rtnl_fdb_del (net/core/rtnetlink.c:4918 (discriminator 2))
[  109.770100][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770102][ T4952]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  109.770105][ T4952]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  109.770107][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770109][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770110][ T4952]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  109.770114][ T4952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.770116][ T4952]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  109.770117][ T4952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  109.770119][ T4952]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  109.770121][ T4952]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  109.770124][ T4952]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  109.770127][ T4952]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  109.770128][ T4952]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  109.770130][ T4952]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  109.770131][ T4952]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  109.770134][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770135][ T4952]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  109.770137][ T4952]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  109.770139][ T4952]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  109.770141][ T4952]  ? next_uptodate_folio (mm/filemap.c:3747)
[  109.770144][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770146][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770147][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770149][ T4952]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  109.770151][ T4952]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  109.770153][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770155][ T4952]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  109.770157][ T4952]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  109.770159][ T4952]  ? copy_msghdr_from_user (net/socket.c:2650)
[  109.770161][ T4952]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  109.770163][ T4952]  ? move_addr_to_kernel (net/socket.c:258)
[  109.770165][ T4952]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  109.770168][ T4952]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  109.770170][ T4952]  ___sys_sendmsg (net/socket.c:2767)
[  109.770171][ T4952]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  109.770173][ T4952]  ? copy_msghdr_from_user (net/socket.c:2619)
[  109.770175][ T4952]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  109.770180][ T4952]  __sys_sendmsg (net/socket.c:2799)
[  109.770182][ T4952]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  109.770184][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770186][ T4952]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  109.770188][ T4952]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  109.770191][ T4952]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  109.770193][ T4952]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  109.770194][ T4952] RIP: 0033:0x7f9cdadfd54e
[  109.770196][ T4952] 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
[  109.770198][ T4952] RSP: 002b:00007ffcff7ec4f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  109.770202][ T4952] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cdadfd54e
[  109.770203][ T4952] RDX: 0000000000000000 RSI: 00007ffcff7ec5a0 RDI: 0000000000000005
[  109.770204][ T4952] RBP: 00007ffcff7ec500 R08: 0000000000000000 R09: 0000000000000000
[  109.770205][ T4952] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913120
[  109.770205][ T4952] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  123.588715][ T5879] softirqs last disabled at (0): 0x0
| [  123.588717][ T5879] Preemption disabled at:
| [  123.588717][ T5879] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  123.588728][ T5879] Tainted: [W]=WARN
[  123.588729][ T5879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  123.588730][ T5879] Call Trace:
[  123.588732][ T5879]  <TASK>
[  123.588733][ T5879]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  123.588739][ T5879]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  123.588740][ T5879]  __might_resched.cold (kernel/sched/core.c:9234)
[  123.588744][ T5879]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  123.588747][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588751][ T5879]  __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))
[  123.588754][ T5879]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  123.588757][ T5879]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.588761][ T5879]  ? 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)
[  123.588762][ T5879]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  123.588764][ T5879]  put_chars (drivers/char/virtio_console.c:1176)
[  123.588766][ T5879]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  123.588768][ T5879]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  123.588771][ T5879]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  123.588774][ T5879]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  123.588775][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588777][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588779][ T5879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.588781][ T5879]  console_emit_next_record (kernel/printk/printk.c:3183)
[  123.588783][ T5879]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  123.588785][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588786][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588788][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588790][ T5879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.588791][ T5879]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  123.588793][ T5879]  console_flush_one_record (kernel/printk/printk.c:3268)
[  123.588795][ T5879]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  123.588798][ T5879]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  123.588799][ T5879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.588801][ T5879]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  123.588802][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588804][ T5879]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.588805][ T5879]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  123.588807][ T5879]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  123.588809][ T5879]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  123.588810][ T5879]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  123.588812][ T5879]  vprintk_emit (kernel/printk/printk.c:2479)
[  123.588815][ T5879]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  123.588816][ T5879]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  123.588819][ T5879]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  123.588820][ T5879]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  123.588822][ T5879]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  123.588823][ T5879]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  123.588826][ T5879]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  123.588827][ T5879]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  123.588829][ T5879]  _printk (kernel/printk/printk.c:2504)
[  123.588832][ T5879]  ? snapshot_read.cold (user.c:?)
[  123.588835][ T5879]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  123.588838][ T5879]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  123.588839][ T5879]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  123.588841][ T5879]  ? netdev_notice (net/core/dev.c:13194)
[  123.588843][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588844][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588846][ T5879]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  123.588849][ T5879]  ? 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)
[  123.588850][ T5879]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  123.588851][ T5879]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  123.588854][ T5879]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  123.588857][ T5879]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  123.588860][ T5879]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  123.588861][ T5879]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  123.588863][ T5879]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  123.588865][ T5879]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  123.588866][ T5879]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  123.588867][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588869][ T5879]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  123.588871][ T5879]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  123.588874][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588876][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588877][ T5879]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  123.588881][ T5879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.588883][ T5879]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  123.588884][ T5879]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.588886][ T5879]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  123.588888][ T5879]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  123.588892][ T5879]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  123.588893][ T5879]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  123.588895][ T5879]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.588896][ T5879]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  123.588897][ T5879]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  123.588900][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588901][ T5879]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.588903][ T5879]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  123.588905][ T5879]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  123.588907][ T5879]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  123.588909][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588911][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588912][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588914][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588916][ T5879]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  123.588918][ T5879]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  123.588920][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588921][ T5879]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  123.588923][ T5879]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  123.588926][ T5879]  ? copy_msghdr_from_user (net/socket.c:2650)
[  123.588927][ T5879]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  123.588929][ T5879]  ? move_addr_to_kernel (net/socket.c:258)
[  123.588931][ T5879]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  123.588933][ T5879]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  123.588935][ T5879]  ___sys_sendmsg (net/socket.c:2767)
[  123.588937][ T5879]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  123.588939][ T5879]  ? copy_msghdr_from_user (net/socket.c:2619)
[  123.588940][ T5879]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  123.588945][ T5879]  __sys_sendmsg (net/socket.c:2799)
[  123.588947][ T5879]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  123.588950][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588951][ T5879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  123.588953][ T5879]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  123.588956][ T5879]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  123.588958][ T5879]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  123.588960][ T5879] RIP: 0033:0x7f4ed942f54e
[  123.588961][ T5879] 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
[  123.588963][ T5879] RSP: 002b:00007fff508de020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  123.588966][ T5879] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4ed942f54e
[  123.588968][ T5879] RDX: 0000000000000000 RSI: 00007fff508de0d0 RDI: 0000000000000005
[  123.588969][ T5879] RBP: 00007fff508de030 R08: 0000000000000000 R09: 0000000000000000
[  123.588969][ T5879] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91312e
[  123.588970][ T5879] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  137.717135][ T6812] softirqs last disabled at (0): 0x0
| [  137.717137][ T6812] Preemption disabled at:
| [  137.717138][ T6812] dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
| [  137.717149][ T6812] Tainted: [W]=WARN
[  137.717150][ T6812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  137.717152][ T6812] Call Trace:
[  137.717154][ T6812]  <TASK>
[  137.717155][ T6812]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  137.717161][ T6812]  ? dev_uc_del (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:841 (discriminator 2))
[  137.717162][ T6812]  __might_resched.cold (kernel/sched/core.c:9234)
[  137.717166][ T6812]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  137.717170][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717174][ T6812]  __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))
[  137.717178][ T6812]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  137.717181][ T6812]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.717184][ T6812]  ? 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)
[  137.717186][ T6812]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  137.717188][ T6812]  put_chars (drivers/char/virtio_console.c:1176)
[  137.717190][ T6812]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  137.717192][ T6812]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  137.717195][ T6812]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  137.717199][ T6812]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  137.717200][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717202][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717204][ T6812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.717206][ T6812]  console_emit_next_record (kernel/printk/printk.c:3183)
[  137.717209][ T6812]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  137.717211][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717212][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717214][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717216][ T6812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.717217][ T6812]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  137.717219][ T6812]  console_flush_one_record (kernel/printk/printk.c:3268)
[  137.717222][ T6812]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  137.717224][ T6812]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  137.717226][ T6812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.717228][ T6812]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  137.717230][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717231][ T6812]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.717233][ T6812]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  137.717234][ T6812]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  137.717236][ T6812]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  137.717238][ T6812]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  137.717240][ T6812]  vprintk_emit (kernel/printk/printk.c:2479)
[  137.717243][ T6812]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  137.717245][ T6812]  ? kvfree_call_rcu (mm/slab_common.c:2050)
[  137.717248][ T6812]  ? dev_uc_del (net/core/dev_addr_lists.c:202 net/core/dev_addr_lists.c:209 net/core/dev_addr_lists.c:842)
[  137.717249][ T6812]  ? rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  137.717251][ T6812]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  137.717252][ T6812]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  137.717255][ T6812]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  137.717257][ T6812]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  137.717258][ T6812]  _printk (kernel/printk/printk.c:2504)
[  137.717262][ T6812]  ? snapshot_read.cold (user.c:?)
[  137.717264][ T6812]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  137.717267][ T6812]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  137.717269][ T6812]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  137.717270][ T6812]  ? netdev_notice (net/core/dev.c:13194)
[  137.717272][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717274][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717276][ T6812]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  137.717278][ T6812]  ? 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)
[  137.717280][ T6812]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  137.717282][ T6812]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  137.717285][ T6812]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[  137.717288][ T6812]  __dev_set_rx_mode (net/core/dev_addr_lists.c:1384)
[  137.717291][ T6812]  dev_uc_del (net/core/dev_addr_lists.c:845)
[  137.717293][ T6812]  rtnl_fdb_del (net/core/rtnetlink.c:4973)
[  137.717294][ T6812]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  137.717296][ T6812]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138)
[  137.717298][ T6812]  ? rtnl_fdb_notify (net/core/rtnetlink.c:992)
[  137.717299][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717301][ T6812]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  137.717304][ T6812]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  137.717306][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717308][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717310][ T6812]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  137.717313][ T6812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.717315][ T6812]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7141)
[  137.717317][ T6812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  137.717319][ T6812]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  137.717321][ T6812]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  137.717325][ T6812]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  137.717327][ T6812]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  137.717328][ T6812]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.717329][ T6812]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  137.717331][ T6812]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  137.717333][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717335][ T6812]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.717337][ T6812]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  137.717339][ T6812]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  137.717341][ T6812]  ? percpu_counter_add_batch (lib/percpu_counter.c:101 (discriminator 3) lib/percpu_counter.c:93 (discriminator 3))
[  137.717344][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717345][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717347][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717349][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717351][ T6812]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  137.717353][ T6812]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  137.717355][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717356][ T6812]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  137.717358][ T6812]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  137.717361][ T6812]  ? copy_msghdr_from_user (net/socket.c:2650)
[  137.717363][ T6812]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  137.717364][ T6812]  ? move_addr_to_kernel (net/socket.c:258)
[  137.717367][ T6812]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[  137.717369][ T6812]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  137.717371][ T6812]  ___sys_sendmsg (net/socket.c:2767)
[  137.717373][ T6812]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[  137.717375][ T6812]  ? copy_msghdr_from_user (net/socket.c:2619)
[  137.717377][ T6812]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[  137.717382][ T6812]  __sys_sendmsg (net/socket.c:2799)
[  137.717384][ T6812]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  137.717387][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717389][ T6812]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  137.717391][ T6812]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  137.717394][ T6812]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  137.717396][ T6812]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  137.717398][ T6812] RIP: 0033:0x7fae9167f54e
[  137.717400][ T6812] 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
[  137.717402][ T6812] RSP: 002b:00007fff7ef5b920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  137.717405][ T6812] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fae9167f54e
[  137.717407][ T6812] RDX: 0000000000000000 RSI: 00007fff7ef5b9d0 RDI: 0000000000000005
[  137.717408][ T6812] RBP: 00007fff7ef5b930 R08: 0000000000000000 R09: 0000000000000000
[  137.717408][ T6812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91313c
[  137.717409][ T6812] R13: 0000000000425380 R14: 0000000000000000 R15: 0000000000000000
| [  143.141756][ T6841] softirqs last disabled at (0): 0x0
| [  143.141758][ T6841] Preemption disabled at:
| [  143.141759][ T6841] vprintk_emit (kernel/printk/printk.c:2471)
| [  143.141770][ T6841] Tainted: [W]=WARN
[  143.141771][ T6841] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  143.141772][ T6841] Call Trace:
[  143.141774][ T6841]  <TASK>
[  143.141775][ T6841]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  143.141781][ T6841]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  143.141782][ T6841]  __might_resched.cold (kernel/sched/core.c:9234)
[  143.141786][ T6841]  ? __module_address (kernel/module/main.c:3915)
[  143.141790][ T6841]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  143.141792][ T6841]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  143.141794][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.141797][ T6841]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  143.141800][ T6841]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  143.141803][ T6841]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.141807][ T6841]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  143.141809][ T6841]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  143.141810][ T6841]  put_chars (drivers/char/virtio_console.c:1176)
[  143.141812][ T6841]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  143.141813][ T6841]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  143.141815][ T6841]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  143.141817][ T6841]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  143.141821][ T6841]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  143.141822][ T6841]  ? 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)
[  143.141823][ T6841]  ? vsnprintf (lib/vsprintf.c:2900)
[  143.141827][ T6841]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  143.141828][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.141830][ T6841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.141832][ T6841]  console_emit_next_record (kernel/printk/printk.c:3183)
[  143.141835][ T6841]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  143.141837][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.141838][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.141840][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.141841][ T6841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.141843][ T6841]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  143.141845][ T6841]  console_flush_one_record (kernel/printk/printk.c:3268)
[  143.141847][ T6841]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  143.141850][ T6841]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  143.141851][ T6841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.141853][ T6841]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  143.141854][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.141856][ T6841]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.141857][ T6841]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  143.141859][ T6841]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  143.141861][ T6841]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  143.141863][ T6841]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  143.141865][ T6841]  vprintk_emit (kernel/printk/printk.c:2479)
[  143.141868][ T6841]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  143.141869][ T6841]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  143.141871][ T6841]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  143.141873][ T6841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.141874][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.141876][ T6841]  _printk (kernel/printk/printk.c:2504)
[  143.141879][ T6841]  ? snapshot_read.cold (user.c:?)
[  143.141881][ T6841]  ? br_multicast_flood (??:?) bridge
[  143.141894][ T6841]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  143.141897][ T6841]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  143.141898][ T6841]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  143.141900][ T6841] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  143.141908][ T6841] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  143.141916][ T6841] new_nbp (net/bridge/br_if.c:449) bridge
[  143.141924][ T6841] br_add_if (net/bridge/br_if.c:592) bridge
[  143.141930][ T6841]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[  143.141934][ T6841]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  143.141935][ T6841]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  143.141938][ T6841]  ? __kernel_text_address (kernel/extable.c:79)
[  143.141940][ T6841]  do_set_master (net/core/rtnetlink.c:3071)
[  143.141943][ T6841]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  143.141944][ T6841]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  143.141946][ T6841]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  143.141947][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.141948][ T6841]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  143.141952][ T6841]  ? kasan_save_stack (mm/kasan/common.c:58)
[  143.141955][ T6841]  ? kasan_save_stack (mm/kasan/common.c:57)
[  143.141956][ T6841]  ? kasan_save_track (mm/kasan/common.c:78)
[  143.141958][ T6841]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  143.141959][ T6841]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  143.141961][ T6841]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  143.141961][ T6841]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  143.141963][ T6841]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  143.141965][ T6841]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  143.141966][ T6841]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  143.141968][ T6841]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  143.141970][ T6841]  ? ___sys_sendmsg (net/socket.c:2767)
[  143.141971][ T6841]  ? __sys_sendmsg (net/socket.c:2799)
[  143.141973][ T6841]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  143.141975][ T6841]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  143.141977][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.141979][ T6841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.141980][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.141982][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.141984][ T6841]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  143.141987][ T6841]  ? __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)
[  143.141989][ T6841]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  143.141990][ T6841]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  143.141992][ T6841]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  143.141993][ T6841]  ? nla_get_range_signed (lib/nlattr.c:270)
[  143.141995][ T6841]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  143.141997][ T6841]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  143.141999][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.142001][ T6841]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  143.142002][ T6841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.142003][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.142005][ T6841]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  143.142007][ T6841]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  143.142009][ T6841]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  143.142010][ T6841]  ? __kernel_text_address (kernel/extable.c:79)
[  143.142011][ T6841]  ? write_profile (profile.c:?)
[  143.142012][ T6841]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  143.142015][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.142017][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.142018][ T6841]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  143.142022][ T6841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.142023][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.142025][ T6841]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  143.142026][ T6841]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  143.142028][ T6841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.142029][ T6841]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  143.142031][ T6841]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  143.142033][ T6841]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  143.142034][ T6841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  143.142036][ T6841]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.142037][ T6841]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  143.142038][ T6841]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  143.142041][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.142043][ T6841]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.142045][ T6841]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  143.142046][ T6841]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  143.142048][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.142050][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.142051][ T6841]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  143.142053][ T6841]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  143.142055][ T6841]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  143.142057][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.142058][ T6841]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  143.142060][ T6841]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  143.142062][ T6841]  ? copy_msghdr_from_user (net/socket.c:2650)
[  143.142063][ T6841]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  143.142065][ T6841]  ? move_addr_to_kernel (net/socket.c:258)
[  143.142066][ T6841]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  143.142069][ T6841]  ___sys_sendmsg (net/socket.c:2767)
[  143.142070][ T6841]  ? copy_msghdr_from_user (net/socket.c:2619)
[  143.142075][ T6841]  __sys_sendmsg (net/socket.c:2799)
[  143.142077][ T6841]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  143.142080][ T6841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  143.142082][ T6841]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  143.142083][ T6841]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  143.142085][ T6841]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  143.142087][ T6841] RIP: 0033:0x7f3ad26ec54e
[  143.142089][ T6841] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  143.142090][ T6841] RSP: 002b:00007ffc9f792990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  143.142094][ T6841] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3ad26ec54e
[  143.142096][ T6841] RDX: 0000000000000000 RSI: 00007ffc9f792a40 RDI: 0000000000000005
[  143.142097][ T6841] RBP: 00007ffc9f7929a0 R08: 0000000000000000 R09: 0000000000000000
[  143.142097][ T6841] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913140
[  143.142098][ T6841] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9f793100
| [  326.951326][T10119] softirqs last disabled at (0): 0x0
| [  326.951328][T10119] Preemption disabled at:
| [  326.951328][T10119] vprintk_emit (kernel/printk/printk.c:2471)
| [  326.951339][T10119] Tainted: [W]=WARN
[  326.951340][T10119] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  326.951342][T10119] Call Trace:
[  326.951343][T10119]  <TASK>
[  326.951345][T10119]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  326.951350][T10119]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  326.951352][T10119]  __might_resched.cold (kernel/sched/core.c:9234)
[  326.951355][T10119]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  326.951359][T10119]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  326.951361][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951365][T10119]  __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))
[  326.951368][T10119]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  326.951370][T10119]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  326.951374][T10119]  ? 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)
[  326.951376][T10119]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  326.951378][T10119]  put_chars (drivers/char/virtio_console.c:1176)
[  326.951380][T10119]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  326.951382][T10119]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  326.951384][T10119]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  326.951388][T10119]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  326.951389][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951391][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  326.951393][T10119]  console_emit_next_record (kernel/printk/printk.c:3183)
[  326.951395][T10119]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  326.951397][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951399][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951400][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951402][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  326.951404][T10119]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  326.951405][T10119]  console_flush_one_record (kernel/printk/printk.c:3268)
[  326.951408][T10119]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  326.951410][T10119]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  326.951412][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  326.951413][T10119]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  326.951415][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951417][T10119]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  326.951418][T10119]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  326.951420][T10119]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  326.951422][T10119]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  326.951423][T10119]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  326.951425][T10119]  vprintk_emit (kernel/printk/printk.c:2479)
[  326.951428][T10119]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  326.951429][T10119]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  326.951432][T10119]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  326.951435][T10119]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  326.951436][T10119]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  326.951439][T10119]  ? ___sys_sendmsg (net/socket.c:2767)
[  326.951440][T10119]  ? __sys_sendmsg (net/socket.c:2799)
[  326.951442][T10119]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  326.951446][T10119]  _printk (kernel/printk/printk.c:2504)
[  326.951451][T10119]  ? snapshot_read.cold (user.c:?)
[  326.951454][T10119]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  326.951456][T10119]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  326.951458][T10119]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  326.951460][T10119]  ? netdev_notice (net/core/dev.c:13194)
[  326.951462][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951464][T10119]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  326.951465][T10119]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  326.951467][T10119]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  326.951469][T10119]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  326.951471][T10119]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  326.951474][T10119]  dev_set_allmulti (net/core/dev_api.c:315)
[  326.951477][T10119] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  326.951489][T10119]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  326.951492][T10119]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  326.951495][T10119] br_del_if (net/bridge/br_if.c:732) bridge
[  326.951502][T10119]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  326.951505][T10119]  do_set_master (net/core/rtnetlink.c:3055)
[  326.951507][T10119]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  326.951509][T10119]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  326.951512][T10119]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  326.951513][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951515][T10119]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  326.951519][T10119]  ? kasan_save_stack (mm/kasan/common.c:58)
[  326.951521][T10119]  ? kasan_save_stack (mm/kasan/common.c:57)
[  326.951522][T10119]  ? kasan_save_track (mm/kasan/common.c:78)
[  326.951524][T10119]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  326.951525][T10119]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  326.951527][T10119]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  326.951528][T10119]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  326.951529][T10119]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  326.951531][T10119]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  326.951532][T10119]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  326.951533][T10119]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  326.951534][T10119]  ? ___sys_sendmsg (net/socket.c:2767)
[  326.951536][T10119]  ? __sys_sendmsg (net/socket.c:2799)
[  326.951537][T10119]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  326.951538][T10119]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  326.951541][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951543][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  326.951544][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951545][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951547][T10119]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  326.951549][T10119]  ? __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)
[  326.951551][T10119]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  326.951553][T10119]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  326.951554][T10119]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  326.951556][T10119]  ? nla_get_range_signed (lib/nlattr.c:270)
[  326.951558][T10119]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  326.951560][T10119]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  326.951562][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951564][T10119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  326.951565][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  326.951566][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951568][T10119]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  326.951570][T10119]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  326.951572][T10119]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  326.951573][T10119]  ? __kernel_text_address (kernel/extable.c:79)
[  326.951574][T10119]  ? write_profile (profile.c:?)
[  326.951575][T10119]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  326.951578][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951580][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951581][T10119]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  326.951585][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  326.951586][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951588][T10119]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  326.951589][T10119]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  326.951591][T10119]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  326.951592][T10119]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  326.951594][T10119]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  326.951596][T10119]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  326.951598][T10119]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  326.951599][T10119]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  326.951601][T10119]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  326.951602][T10119]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  326.951605][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951606][T10119]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  326.951608][T10119]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  326.951610][T10119]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  326.951612][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951613][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951615][T10119]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  326.951617][T10119]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  326.951619][T10119]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  326.951621][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951622][T10119]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  326.951624][T10119]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  326.951626][T10119]  ? copy_msghdr_from_user (net/socket.c:2650)
[  326.951628][T10119]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  326.951629][T10119]  ? move_addr_to_kernel (net/socket.c:258)
[  326.951631][T10119]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  326.951633][T10119]  ___sys_sendmsg (net/socket.c:2767)
[  326.951635][T10119]  ? copy_msghdr_from_user (net/socket.c:2619)
[  326.951640][T10119]  __sys_sendmsg (net/socket.c:2799)
[  326.951641][T10119]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  326.951644][T10119]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  326.951646][T10119]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  326.951647][T10119]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  326.951650][T10119]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  326.951651][T10119] RIP: 0033:0x7f81b8d0b54e
[  326.951653][T10119] 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
[  326.951655][T10119] RSP: 002b:00007ffd20dede50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  326.951659][T10119] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f81b8d0b54e
[  326.951660][T10119] RDX: 0000000000000000 RSI: 00007ffd20dedf00 RDI: 0000000000000005
[  326.951661][T10119] RBP: 00007ffd20dede60 R08: 0000000000000000 R09: 0000000000000000
[  326.951662][T10119] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9131f8
[  326.951663][T10119] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd20dee5c0
| [  332.102672][T10125] softirqs last disabled at (0): 0x0
| [  332.102674][T10125] Preemption disabled at:
| [  332.102675][T10125] vprintk_emit (kernel/printk/printk.c:2471)
| [  332.102686][T10125] Tainted: [W]=WARN
[  332.102687][T10125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  332.102689][T10125] Call Trace:
[  332.102690][T10125]  <TASK>
[  332.102691][T10125]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  332.102697][T10125]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  332.102699][T10125]  __might_resched.cold (kernel/sched/core.c:9234)
[  332.102702][T10125]  ? __module_address (kernel/module/main.c:3915)
[  332.102706][T10125]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  332.102709][T10125]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[  332.102710][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102713][T10125]  __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))
[  332.102717][T10125]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  332.102719][T10125]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  332.102723][T10125]  ? 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)
[  332.102724][T10125]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  332.102726][T10125]  put_chars (drivers/char/virtio_console.c:1176)
[  332.102728][T10125]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[  332.102729][T10125]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  332.102731][T10125]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  332.102733][T10125]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  332.102736][T10125]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  332.102738][T10125]  ? 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)
[  332.102739][T10125]  ? vsnprintf (lib/vsprintf.c:2900)
[  332.102742][T10125]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  332.102744][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102745][T10125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.102748][T10125]  console_emit_next_record (kernel/printk/printk.c:3183)
[  332.102750][T10125]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  332.102752][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102753][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102755][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102757][T10125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.102758][T10125]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  332.102760][T10125]  console_flush_one_record (kernel/printk/printk.c:3268)
[  332.102762][T10125]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  332.102765][T10125]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  332.102767][T10125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.102769][T10125]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  332.102772][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102774][T10125]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  332.102775][T10125]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  332.102777][T10125]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  332.102779][T10125]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  332.102781][T10125]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  332.102790][T10125]  vprintk_emit (kernel/printk/printk.c:2479)
[  332.102793][T10125]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  332.102795][T10125]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  332.102796][T10125]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  332.102798][T10125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.102799][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102801][T10125]  _printk (kernel/printk/printk.c:2504)
[  332.102804][T10125]  ? snapshot_read.cold (user.c:?)
[  332.102807][T10125]  ? br_multicast_flood (??:?) bridge
[  332.102819][T10125]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  332.102822][T10125]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  332.102823][T10125]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  332.102825][T10125] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[  332.102833][T10125] br_init_port (net/bridge/br_stp_if.c:39) bridge
[  332.102841][T10125] new_nbp (net/bridge/br_if.c:449) bridge
[  332.102848][T10125] br_add_if (net/bridge/br_if.c:592) bridge
[  332.102855][T10125]  ? bpf_address_lookup (kernel/bpf/core.c:730)
[  332.102858][T10125]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  332.102860][T10125]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  332.102862][T10125]  ? __kernel_text_address (kernel/extable.c:79)
[  332.102864][T10125]  do_set_master (net/core/rtnetlink.c:3071)
[  332.102867][T10125]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  332.102868][T10125]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  332.102870][T10125]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  332.102871][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102873][T10125]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  332.102878][T10125]  ? kasan_save_stack (mm/kasan/common.c:58)
[  332.102881][T10125]  ? kasan_save_stack (mm/kasan/common.c:57)
[  332.102883][T10125]  ? kasan_save_track (mm/kasan/common.c:78)
[  332.102885][T10125]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  332.102886][T10125]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  332.102888][T10125]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  332.102889][T10125]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  332.102890][T10125]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  332.102892][T10125]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  332.102893][T10125]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  332.102895][T10125]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  332.102897][T10125]  ? ___sys_sendmsg (net/socket.c:2767)
[  332.102898][T10125]  ? __sys_sendmsg (net/socket.c:2799)
[  332.102900][T10125]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  332.102902][T10125]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  332.102904][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102906][T10125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.102907][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102909][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102911][T10125]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  332.102914][T10125]  ? __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)
[  332.102916][T10125]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  332.102917][T10125]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  332.102919][T10125]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  332.102920][T10125]  ? nla_get_range_signed (lib/nlattr.c:270)
[  332.102922][T10125]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  332.102924][T10125]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  332.102926][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102928][T10125]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  332.102929][T10125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.102930][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102932][T10125]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  332.102934][T10125]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  332.102935][T10125]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  332.102937][T10125]  ? __kernel_text_address (kernel/extable.c:79)
[  332.102938][T10125]  ? write_profile (profile.c:?)
[  332.102939][T10125]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  332.102942][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102943][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102945][T10125]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  332.102948][T10125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.102950][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102952][T10125]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  332.102953][T10125]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  332.102955][T10125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  332.102956][T10125]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  332.102957][T10125]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  332.102959][T10125]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  332.102961][T10125]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  332.102962][T10125]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  332.102964][T10125]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  332.102965][T10125]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  332.102967][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102969][T10125]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  332.102971][T10125]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  332.102972][T10125]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  332.102974][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102975][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102977][T10125]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  332.102979][T10125]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  332.102982][T10125]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  332.102985][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.102988][T10125]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  332.102989][T10125]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[  332.102991][T10125]  ? copy_msghdr_from_user (net/socket.c:2650)
[  332.102993][T10125]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[  332.102994][T10125]  ? move_addr_to_kernel (net/socket.c:258)
[  332.102996][T10125]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  332.102998][T10125]  ___sys_sendmsg (net/socket.c:2767)
[  332.103000][T10125]  ? copy_msghdr_from_user (net/socket.c:2619)
[  332.103005][T10125]  __sys_sendmsg (net/socket.c:2799)
[  332.103007][T10125]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  332.103009][T10125]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  332.103011][T10125]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  332.103012][T10125]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  332.103014][T10125]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  332.103016][T10125] RIP: 0033:0x7fd2e391254e
[  332.103018][T10125] 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
[  332.103020][T10125] RSP: 002b:00007ffc7ac27e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  332.103023][T10125] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd2e391254e
[  332.103025][T10125] RDX: 0000000000000000 RSI: 00007ffc7ac27ed0 RDI: 0000000000000005
[  332.103026][T10125] RBP: 00007ffc7ac27e30 R08: 0000000000000000 R09: 0000000000000000
[  332.103026][T10125] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9131fd
[  332.103027][T10125] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc7ac28590
| [  367.196647][   T72] softirqs last disabled at (40106): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  367.196650][   T72] Preemption disabled at:
| [  367.196650][   T72] vprintk_emit (kernel/printk/printk.c:2471)
| [  367.196662][   T72] Tainted: [W]=WARN
[  367.196663][   T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  367.196665][   T72] Workqueue: netns cleanup_net
[  367.196671][   T72] Call Trace:
[  367.196672][   T72]  <TASK>
[  367.196674][   T72]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  367.196679][   T72]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  367.196681][   T72]  __might_resched.cold (kernel/sched/core.c:9234)
[  367.196685][   T72]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  367.196689][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.196693][   T72]  __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))
[  367.196696][   T72]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  367.196699][   T72]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  367.196703][   T72]  ? 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)
[  367.196704][   T72]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  367.196706][   T72]  put_chars (drivers/char/virtio_console.c:1176)
[  367.196708][   T72]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[  367.196709][   T72]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  367.196711][   T72]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  367.196713][   T72]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  367.196717][   T72]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  367.196718][   T72]  ? 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)
[  367.196720][   T72]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  367.196721][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.196723][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.196725][   T72]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  367.196727][   T72]  console_emit_next_record (kernel/printk/printk.c:3183)
[  367.196729][   T72]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  367.196731][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.196733][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.196735][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.196736][   T72]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  367.196738][   T72]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  367.196740][   T72]  console_flush_one_record (kernel/printk/printk.c:3268)
[  367.196742][   T72]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  367.196745][   T72]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  367.196746][   T72]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  367.196748][   T72]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  367.196749][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.196751][   T72]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  367.196752][   T72]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[  367.196754][   T72]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[  367.196756][   T72]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  367.196758][   T72]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  367.196760][   T72]  vprintk_emit (kernel/printk/printk.c:2479)
[  367.196762][   T72]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  367.196763][   T72]  ? process_one_work (kernel/workqueue.c:3387)
[  367.196766][   T72]  ? kthread (kernel/kthread.c:436)
[  367.196768][   T72]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  367.196771][   T72]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  367.196773][   T72]  _printk (kernel/printk/printk.c:2504)
[  367.196776][   T72]  ? snapshot_read.cold (user.c:?)
[  367.196778][   T72]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[  367.196781][   T72]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[  367.196783][   T72]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[  367.196785][   T72]  ? netdev_notice (net/core/dev.c:13194)
[  367.196787][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.196788][   T72]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[  367.196790][   T72]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  367.196792][   T72]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[  367.196794][   T72]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  367.196796][   T72]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[  367.196799][   T72]  dev_set_allmulti (net/core/dev_api.c:315)
[  367.196801][   T72] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[  367.196816][   T72] br_dev_delete (net/bridge/br_if.c:387) bridge
[  367.196824][   T72] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[  367.196831][   T72]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[  367.196834][   T72]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[  367.196835][   T72]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  367.196839][   T72]  cleanup_net (net/core/net_namespace.c:706)
[  367.196840][   T72]  ? net_passive_dec (./include/linux/llist.h:241)
[  367.196842][   T72]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  367.196844][   T72]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  367.196846][   T72]  process_one_work (kernel/workqueue.c:3387)
[  367.196849][   T72]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  367.196851][   T72]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  367.196854][   T72]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  367.196856][   T72]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  367.196858][   T72]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  367.196859][   T72]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  367.196861][   T72]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  367.196862][   T72]  kthread (kernel/kthread.c:436)
[  367.196864][   T72]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  367.196865][   T72]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  367.196867][   T72]  ret_from_fork (arch/x86/kernel/process.c:158)
[  367.196869][   T72]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  367.196870][   T72]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  367.196873][   T72]  ? kthread_affine_preferred (kernel/kthread.c:857)


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
dev_uc_del:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
dev_uc_add_excl:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars